CN110348255A - Vehicle is to the identification of vehicle and method for detecting and its device - Google Patents

Abstract

The present invention provides a vehicle-to-vehicle identification and detection method and a device thereof. The present invention configures a plurality of radio frequency communication modules on the vehicle body for radio frequency communication respectively facing different communication directions. The communication request sent by the vehicle responds with the identification information of the vehicle to the neighboring vehicle that sent the communication request. Communication requests are sent from different communication directions, and the purpose of identifying and detecting adjacent vehicles is realized by means of radio frequency communication with adjacent vehicles in different directions; the present invention can realize the precise positioning of the mutual positional relationship between individual vehicles in the area, and then Support active vehicle safety control or provide data required for autonomous driving to increase driving safety.

Description

Vehicle-to-vehicle identification and detection method and device

technical field

The invention relates to an active safety technology of a vehicle, in particular to a vehicle-to-vehicle identification and detection method and a device thereof.

Background technique

Safety has always been one of the most important issues for vehicle users or manufacturers, and technologies related to vehicle safety can be roughly divided into active safety technologies and passive safety technologies. Passive safety technology is a technology used to reduce injuries after a vehicle accident. Active safety technology uses various electronic induction or detection devices to detect and judge possible dangers in advance, and then prevent and prevent them through automatic control of machinery. The vehicle is in danger while driving.

At present, many vehicle active safety technologies have been actually used in commercial vehicles, such as: Anti-deadlock braking system (Anti Breaking System, ABS), Traction Control System (Traction Control System, TRC), electronic stability control System (Electronic Stability Control, ESC), Lane Departure Warning System (Lane Departure Warning System, LDWS), Active Cruise Control (Active Cruise Control, ACC), Automatic Emergency Braking (Autonomous Emergency Braking, AEB), etc., these technologies It mainly uses laser, microwave radar, and image recognition technology to realize active detection between vehicles.

In addition to continuously improving the safety of vehicles, the realization of unmanned vehicles or autonomous driving is also one of the goals of current vehicle manufacturers. The key technologies for realizing unmanned vehicles or autonomous driving include environmental perception, navigation and positioning, path planning, decision control, etc. Although the aforementioned active safety technology has many mature detection technologies, it is still unable to realize the complex relative position, angle and distance within the last 20 meters, as well as vehicle-to-vehicle communication and automatic negotiation to continue driving or negotiate. The function of decelerating and stopping, the current vehicle positioning technology is mainly achieved through the Global Positioning System (GPS), but the positioning accuracy of general civilian GPS is limited to about 5 meters (M), which still cannot meet the needs of unmanned vehicles or autonomous driving. high precision requirements.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a vehicle-to-vehicle identification and detection method and a device thereof, which can realize precise positioning of the mutual positional relationship between vehicles in an area, thereby supporting active safety control of vehicles or providing automatic driving. required data.

In order to solve the above-mentioned technical problem, an embodiment of the vehicle-to-vehicle identification and detection method of the present invention includes: receiving a radio frequency signal from a neighboring vehicle in a plurality of different communication directions symmetrical to the center of the vehicle on the plane where the vehicle is located. according to the communication direction of the communication request; respond to the identification information of the vehicle with a radio frequency signal to the adjacent vehicle that sends the communication request; on the plane where the vehicle is located, multiple different communication directions symmetrical to the center of the vehicle pass the time-sharing The polling or simultaneous communication method sends a communication request by radio frequency signal, and receives the identification information responded by the radio frequency signal from the adjacent vehicle.

The vehicle-to-vehicle identification and detection method of the present invention, wherein a plurality of different communication directions of the center are symmetric on the plane where the vehicle is located with the vehicle as the center, the communication request sent by the adjacent vehicle with the radio frequency signal is received, and the The communication requests are sent one by one in the multiple different communication directions by means of time-sharing polling or simultaneous communication.

The identification information at least includes: the identity information of the vehicle, the direction information of the communication direction in which the vehicle receives the communication request, and the operation parameter information of the vehicle.

The vehicle-to-vehicle identification and detection method of the present invention includes radio signal analysis and calculation of the distance between the vehicle and adjacent vehicles based on the identification information of the response.

The vehicle-to-vehicle identification and detection method of the present invention includes judging the orientation of a neighboring vehicle relative to the vehicle according to the communication direction of the antenna receiving the identification information in response, or the content of the identification information.

An embodiment of the vehicle-to-vehicle identification and detection device of the present invention includes a plurality of radio frequency communication units, a single-pole multi-throw switch and a communication main control module; the radio frequency communication unit includes a radio frequency communication module and is electrically connected to the radio frequency communication unit. An antenna of the communication module, the antennas in a plurality of the radio frequency communication units are respectively responsible for the radio frequency communication in different communication directions of the symmetrical vehicle center on the plane where the vehicle is located, and the communication direction of the antenna of each radio frequency communication unit is different, each The radio frequency communication unit can be switched between an active mode and a normal passive mode. In the passive mode, the radio frequency communication unit receives a communication request from an adjacent vehicle in the predetermined communication direction through the electrically connected antenna. The radio frequency communication unit After receiving the communication request, through the electrically connected antenna, according to the communication direction of the antenna, an identification information is responded to the adjacent vehicle that sent the communication request; By means of simultaneous communication, a plurality of the radio frequency communication units are switched to the active mode one by one, the communication main control module is electrically connected to the antenna of the radio frequency communication unit in the active mode, and the communication main control module is electrically connected through the antenna of the radio frequency communication unit. The communication direction sends out a communication request, and obtains the identification information of the response of the adjacent vehicle through the electrically connected antenna.

In an embodiment of the vehicle-to-vehicle identification and detection device of the present invention, the communication main control module is an RFID reader, and the radio frequency communication unit includes: a radio frequency communication module and an antenna; the radio frequency communication module It includes: a tag chip of a radio frequency identification tag and a SPDT switch, the tag chip stores the identification information, and the tag chip is electrically connected to the tag chip through the SPDT switch when the radio frequency communication unit is in a passive mode Antenna, when the radio frequency communication unit is in active mode, the communication main control module is electrically connected to the antenna through the SPDT switch, and the electrical connection between the tag chip and the antenna is cut off.

In an embodiment of the vehicle-to-vehicle identification and detection device of the present invention, the identification information includes at least: identity information of the vehicle, direction information of the communication direction in which the vehicle receives the communication request, and operating parameter information of the vehicle.

In an embodiment of the vehicle-to-vehicle identification and detection device of the present invention, the antennas of any two adjacent radio frequency communication units need to be polarized and isolated. For example, if it is a linearly polarized antenna, it needs to use horizontal polarization and vertical polarization; if it is a circularly polarized antenna, it needs to use left-handed circular polarization and right-handed circular polarization.

In one embodiment of the vehicle-to-vehicle identification and detection device of the present invention, the antenna of each radio frequency communication unit is a narrow beam antenna.

An embodiment of the vehicle-to-vehicle identification and detection device of the present invention includes an information processor disposed on the vehicle, and the information processor can analyze and calculate the distance between the vehicle and adjacent vehicles based on the radio signal of the responsive identification information.

In an embodiment of the vehicle-to-vehicle identification and detection device of the present invention, the information processor may determine the relative position of the adjacent vehicle relative to the communication direction of a certain antenna that receives the identification information in response, or the content of the identification information. The orientation of the vehicle.

The advantages and functions of the present invention lie in that it can realize precise positioning of the mutual positional relationship between individual vehicles in the area, and can also support active safety control of vehicles and provide data required for unmanned vehicles or automatic driving. Due to the variety of various types of vehicles in cities all over the world, the radio frequency communication module of the present invention is cheap, small, and easy to install. On various types of vehicles in China, it has a decisive impact on the automatic driving within a certain distance.

The details of other functions and embodiments of the present invention are described below with the help of the drawings.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments described in this application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative efforts.

1 is a functional block diagram of a vehicle-to-vehicle identification and detection device of the present invention;

Figure 2-1 is a functional block diagram of the RF communication module, showing the functional schematic diagram of the RF communication unit in passive mode;

Figure 2-2 is a functional block diagram of the RF communication module, showing the functional schematic diagram of the RF communication unit in active mode;

FIG. 3 is a top view of a vehicle, showing an embodiment of a plurality of radio frequency communication units disposed in the position of the vehicle;

4 is a schematic diagram of the use of the vehicle-to-vehicle identification and detection method and the device thereof of the present invention, showing the situation of identification and detection between the vehicle and the vehicle through a radio frequency communication unit that can perform radio frequency communication in multiple different communication directions;

5 is a system architecture diagram of an unmanned vehicle or an automatic driving system, showing an embodiment of the application of the vehicle-to-vehicle identification and detection device of the present invention to an unmanned vehicle or an automatic driving system.

Symbol Description

1-8 RF communication unit 11 Label chip

10 RF Communication Module 20 Antenna

40 Communication main control module 50 Information processor

60 single pole eight throw switch 70 GPS system

71 Unmanned vehicle control system 72 Vehicle control center

73 Vehicle Radar

Detailed ways

In the embodiments disclosed in the patent specification and drawings of the present invention, the directions mentioned therein (for example, up, down, left, right, front, and rear) are based on the contents shown in the drawings, and are used to describe the various components in the embodiments or Relative relationships between structures (such as location relationships, linkage relationships, and action relationships). In principle, when the components or structures mentioned in the description of the invention correspond to the positions shown in the drawings, the stated directions will be suitable. If the positions of components or structures mentioned in the specification of the present invention are changed, the stated directions should also be changed accordingly.

The vehicle-to-vehicle identification and detection method of the present invention includes the following steps:

Receive communication requests sent by adjacent vehicles with radio frequency signals in multiple different communication directions of the center of the vehicle on the plane where the vehicle is located;

According to the communication direction in which the vehicle receives the communication request, it responds to the identification information of the vehicle with a radio frequency signal to the neighboring vehicle that sends the communication request. The direction information of the communication direction, and the running parameter information of the vehicle;

Sending communication requests with radio frequency signals by means of time-sharing polling or simultaneous communication in multiple different communication directions symmetrical to the center of the vehicle on the plane where the vehicle is located; and

Identification information is received in response to a radio frequency signal from an adjacent vehicle.

A preferred embodiment of the method of the present invention is to symmetric multiple different communication directions of the center of the vehicle on the plane where the vehicle is located, to receive the communication request sent by the adjacent vehicle through the radio frequency signal, and to perform the time-sharing polling or simultaneous communication. The method sends communication requests in the eight different communication directions one by one, analyzes the radio signal of the identification information of the response of the adjacent vehicles, calculates the distance between the vehicle and the adjacent vehicles, and realizes the precise positioning of the mutual positional relationship between the individual vehicles in the area. In turn, it supports active vehicle safety control or provides data required for autonomous driving to increase the efficacy of vehicle safety.

In one embodiment shown in Figures 1 and 3, eight radio frequency communication units are configured on the vehicle. For the convenience of explanation and understanding, the radio frequency communication units responsible for different communication directions are represented by numbers 1 to 8 respectively.) These radio frequency communication units 1 to 8 and their responsible communication directions are 1-front, 2-left, 3-left, 4-left, 5-back, 6-right, 7-right, and 8-right. It should be understood that the eight different communication directions described above are only a preferred embodiment of the present invention, and are not limited thereto.

A communication main control module 40 and eight radio frequency communication units 1 to 8 are arranged on the body of the vehicle; each radio frequency communication unit 1 to 8 is respectively responsible for performing radio frequency communication with adjacent vehicles in different communication directions. The communication main control module 40 and The eight radio frequency communication units 1 to 8 are electrically connected, and the communication main control module 40 can control each of the radio frequency communication units 1 to 8 to switch between [active mode] and [passive mode].

The radio frequency communication units 1 to 8 in the [passive mode] can receive the communication request sent by the adjacent vehicle with the radio frequency signal in the communication direction they are responsible for, and after receiving the communication request, respond to the own vehicle with the radio frequency signal to the adjacent vehicle that sent the communication request RF communication units 1 to 8 switched to [active mode] are used to send communication requests with RF signals in the communication direction they are responsible for, and receive identification information responded by adjacent vehicles with RF signals. A preferred implementation is to implement the above method through radio frequency identification (Radio Frequency Identification, RFID) technology, wherein the communication main control module 40 is basically an RFID reader (RFID Reader), and each radio frequency communication unit 1 ˜8 may be a radio frequency identification tag (RFID Tag). Preferably, the RFID reader/writer can share an antenna with the radio frequency identification tag, thereby further reducing the construction cost of hardware. The communication main control module 40 mainly sends the above communication request through the antenna shared with the RFID tag, and the RFID tag is used to read data by the RFID reader/writer of the adjacent vehicle in [passive mode]. In other embodiments of the present invention, other radio frequency communication technologies can also be used to replace the RFID reader/writer 40 and the radio frequency identification tag, and to realize the operations of the [active mode] and the [passive mode], the above-mentioned RFID The reader/writer and the radio frequency identification tag are only an implementation of the method of the present invention, but are not limited thereto.

During the operation of the vehicle-to-vehicle identification and detection method and the device thereof of the present invention, only one of the eight radio frequency communication units 1 to 8 in the time-division polling mode will be switched to the [active mode], and the remaining seven radio frequency communication units will be switched to the [active mode]. It is to switch to [passive mode]; in simultaneous communication mode, you can choose to configure multiple RF communication units to switch to [active mode]. In a preferred embodiment of the present invention, the eight radio frequency communication units 1 to 8 are in the [passive mode] in normal state, and the communication master control module 40 connects the eight radio frequency communication units 1 to the eight radio frequency communication units 1 in the mode of time-sharing polling or simultaneous communication. ~8 switches to [active mode], and this switching operation will continue and cyclically.

Please refer to FIG. 2-1, each of the radio frequency communication units 1-8 includes: a radio frequency communication module 10 and an antenna 20; wherein the radio frequency communication module 10 includes: a tag chip 11 (Tag IC) of a radio frequency identification tag (RFID Tag). ) and a SPDT switch 30, the tag chip 11 is electrically connected to the antenna 20 through the SPDT switch 30, wherein the antennas 10 of the eight radio frequency communication units 1-8 are respectively responsible for different communications at the center of the symmetrical vehicle on the plane where the vehicle is located The direction communicates with adjacent vehicles by radio frequency; it can be understood that the adjacent vehicles are also configured with a communication master control module 40 and a plurality of radio frequency communication units 1-8 in the same manner.

Identification information is recorded in the memory of the tag chip 11 of each of the radio frequency communication units 1 to 8, and the identification information at least includes: direction information of the communication direction that the antennas 20 of the radio frequency communication units 1 to 8 are responsible for, the radio frequency communication unit The identity information of the vehicle where 1 to 8 are located, and the operating parameter information of the vehicle; for example: the communication direction responsible for the antenna 20 of the radio frequency communication unit 1 disposed in the front direction of the vehicle body is the front, so the label of the radio frequency communication unit 1 The direction information recorded in the memory of the chip 11 may be [1 is in front], and the identity information may be the model or license plate number of the vehicle, and the vehicle operating parameter may be the speed of the vehicle.

Please refer to FIG. 2-1, the RF communication module 10 is in the [passive mode] in normal state, and the SPDT switch 30 is normally electrically connected to the tag chip 11 and the antenna 20, which means any one of the RF communication units 1-8 In the [passive mode], a communication request from an adjacent vehicle is received in a predetermined communication direction through the electrically connected antenna 20, and any one of the eight radio frequency communication units 1-8 receives a communication request through an electrically connected The antenna 20 responds an identification information to the neighboring vehicle that sends the communication request in the preset communication direction of the antenna 20 for identification and detection of the neighboring vehicle.

As shown in FIG. 1, an embodiment of the vehicle-to-vehicle identification and detection device of the present invention includes: eight radio frequency communication units 1-8, a communication master control module 40, and a single-pole multi-throw switch (in this implementation In this example, a single-pole, eight-throw switch 60) is used. During the operation of the vehicle-to-vehicle identification and detection device of the present invention, at least one of the eight radio frequency communication units 1 to 8 is in [active mode], and the remaining seven are in [passive mode]. The communication master control module 40 switches the eight radio frequency communication units 1 to 8 to the [active mode] one by one through the SP8T switch 60 in a time-division polling or simultaneous communication manner. At this time, the SPDT switch 30 is electrically connected to the communication master. The control module 40 and the antenna 20 (in the original normal mode, the electrical connection between the tag chip 11 and the antenna 20 is temporarily cut off), the communication master control module 40 communicates with the radio frequency communication units 1 to 1 to the adjacent vehicles through the electrically connected antenna 20 8. Send a communication request to obtain the identification information of the response of the adjacent vehicles; in other words, during the operation of the vehicle-to-vehicle identification and detection device of the present invention, the communication master control module 40 will only communicate with a single radio frequency communication unit that enters the [active mode] The antennas 20 of 1 to 8 are electrically connected, and the remaining seven radio frequency communication units 1 to 8 are still in [passive mode]. The communication main control module 40 is electrically connected to the antennas 20 among the eight radio frequency communication units 1-8 one by one through the single-pole eight-throw switch 60 in a time-division polling or simultaneous communication manner. The antenna 20 sends a communication request to the radio frequency communication module 10 of the adjacent vehicle. It should be understood that the [sending a communication request] means that the communication master control module 40 performs radio frequency communication with the radio frequency communication module 10 of the adjacent vehicle through radio frequency signals, so as to obtain the communication from the adjacent vehicle. The identification information of adjacent vehicles is read or identified in the memory of the radio frequency communication module 10 of the vehicle.

An embodiment of the antenna 20 is to use polarization isolation between the antennas of the radio frequency communication modules 10 in any two adjacent radio frequency communication units 1-8. For example, if it is a linearly polarized antenna, horizontal polarization and Vertical polarization; if it is a circularly polarized antenna, it needs to use left-hand circular polarization and right-hand circular polarization respectively. In the embodiment shown in FIG. 3 , the linearly polarized antennas of the RF communication module 10 arranged in four directions: 1-front, 3-left, 5-right, and 7-right-center are horizontally placed (with The wider black squares represent), the linearly polarized antennas of the RF communication module 10 arranged in the four directions of 2-left front, 4-left rear, 6-right rear and 8-right front are vertical (indicated by the narrower black squares) ), the same is true for circularly polarized antennas. Through the arrangement of the above-mentioned linearly polarized antennas, it is possible to prevent the antennas 20 of the RF communication units 1 to 8 in a certain communication direction from misreading the identification signals of the adjacent RF communication units 1 to 8 of the vehicle after entering the [active mode]. It has the effect of preventing cross-reading.

Another embodiment of the antenna 20 is to use a narrow beam antenna. The antenna 20 of each radio frequency communication unit 1-8 is limited to a respective predetermined communication direction, which can also achieve the effect of preventing cross-reading.

Please refer to FIG. 4 , which is a schematic diagram of the use of the vehicle-to-vehicle identification and detection method and the device thereof according to the present invention, showing the situation of identification and detection between the vehicle and the vehicle through a plurality of radio frequency communication units 1 to 8 arranged in different directions. .

In the figure, for the convenience of description, the numbers marked in front of each vehicle are used to assign vehicle numbers (A to I) to each vehicle, and the numbering rules for the radio frequency communication units 1-8 of each vehicle are defined as "vehicle numbers". Number + digital number of the communication unit (1-8)", for example, the number of the radio frequency communication unit responsible for the radio frequency communication in the forward direction on vehicle A is A1, and the radio frequency communication unit responsible for the radio frequency communication in the right middle direction on the vehicle E The number is E7. The foregoing function of avoiding cross-reading is described below by taking the most representative vehicle E as an example. The black squares in the figure represent RF communication modules, the wider black squares indicate that the antennas 20 of the RF communication units 1-8 are horizontally polarized antennas, and the narrower black squares indicate that the antennas 20 of the RF communication units 1-8 are vertically polarized antennas .

Please refer to the following [Table 1] to understand the situation of mutual identification and detection between the vehicle E and other adjacent vehicles through the cooperative operation of the plurality of radio frequency communication units 1-8 and the communication master control module 40.

The communication direction of the antenna 20 of the radio frequency communication unit E1 of the vehicle E is the forward direction, which is used to detect the vehicle directly ahead. When the radio frequency communication unit E1 enters the [active mode], the communication unit B5 can be effectively identified, and there is a certain probability that it can be identified. including RF communication units A5 and C5;

The communication direction of the antenna 20 of the radio frequency communication unit E2 of the vehicle E is the left front direction, which is used to detect the vehicle in front of the left. When the radio frequency communication unit E2 enters the [active mode], it can effectively identify the radio frequency communication unit A6, and there is a certain probability that it can be identified. It includes RF communication units B4 and D8;

The communication direction of the antenna 20 of the radio frequency communication unit E3 of the vehicle E is the left middle direction for detecting the vehicle on the left side, and the radio frequency communication unit E3 can effectively identify the radio frequency communication unit D7 when it enters the [active mode];

The communication direction of the antenna 20 of the radio frequency communication unit E4 of the vehicle E is the left rear direction, which is used to detect the vehicle at the left rear. The radio frequency communication unit E4 can effectively identify the radio frequency communication unit G8 when it enters the [active mode]. The identified ones include radio frequency communication units D6 and H2;

The communication direction of the antenna 20 of the radio frequency communication unit E5 of the vehicle E is the direct rear direction, which is used to detect the vehicle directly behind. The radio frequency communication unit E5 can effectively identify the communication unit H1 when it enters the [active mode], and there is a certain probability that it can be identified. including radio frequency communication units G1 and I1;

The communication direction of the antenna 20 of the radio frequency communication unit E6 of the vehicle E is the right rear direction, which is used to detect the right rear vehicle. When the radio frequency communication unit E6 enters the [active mode], it can effectively identify the radio frequency communication unit I2. The identified ones include RF communication units F4 and H8;

The communication direction of the antenna 20 of the radio frequency communication unit E7 of the vehicle E is the right middle direction for detecting the vehicle on the right side, and the radio frequency communication unit E7 can effectively identify the radio frequency communication unit F3 when it enters the [active mode];

The communication direction of the antenna 20 of the radio frequency communication unit E8 of the vehicle E is the right front direction, which is used to detect the vehicle in the right front. When the radio frequency communication unit E8 enters the [active mode], it can effectively identify the radio frequency communication unit C4, and there is a certain probability that it can be identified. The ones that arrive include RF communication units B6 and F2.

Table 1

As shown in FIG. 4 , if the radio frequency communication module 10 in the radio frequency communication unit E1 of the vehicle E receives the identification information of the radio frequency communication module 10 in the radio frequency communication unit B5, according to the identification information of the radio frequency communication module 10 in the radio frequency communication unit B5 The direction information in the identification information means that a neighboring vehicle is detected ahead.

In an embodiment of the vehicle-to-vehicle identification and detection device of the present invention, it further includes an information processor 50 (see FIG. 1 ), and the information processor 50 can analyze and calculate the vehicle and the proximity of the vehicle according to the wirelessly received signal of the corresponding identification information. distance of the vehicle.

As shown in FIG. 4 , if the radio frequency communication unit E1 of the vehicle E receives the identification information of the radio frequency communication module 10 in the radio frequency communication unit A5 of the vehicle A, the radio frequency communication unit E2 of the vehicle E can also receive the radio frequency of the vehicle A. The identification information of the radio frequency communication module 10 in the communication unit A6, according to the direction information in the identification information responded by the radio frequency communication unit A5 and the radio frequency communication module 10 in the radio frequency communication unit A6, after processing and verification by the information processor 50 Then it can be determined that there is an adjacent vehicle A in front of the left of the vehicle E and the relative distance.

Please refer to FIG. 5, which is a system architecture diagram of an unmanned vehicle or an automatic driving system, showing an embodiment in which the vehicle-to-vehicle identification and detection device of the present invention is applied to an unmanned vehicle or an automatic driving system; The body is configured with a plurality of radio frequency communication units 1-8 which are respectively oriented towards different communication directions for radio frequency communication. The radio frequency communication module 10 in each radio frequency communication unit 1-8 can respond to the communication request of the adjacent vehicle and provide the identification information of the vehicle to send out communication. The requested neighboring vehicle, the vehicle can also send communication requests in different directions through the radio frequency communication module 10 configured in the multiple radio frequency communication units 1-8 of the vehicle in the way of time-sharing polling or simultaneous communication. By means of radio frequency communication with adjacent vehicles in the direction of the adjacent vehicle, identification information of the adjacent vehicles can be obtained, and then through the processing of the information processor 50 of the vehicle to obtain information such as the azimuth and distance of the adjacent vehicles, any one of them or a combination thereof; In other embodiments of the method and device of the present invention, the speed of an adjacent vehicle (such as the vehicle directly ahead) can also be obtained through the on-board radar 73 system, and the position information of the vehicle can be obtained through the GPS system 70 of the vehicle, and then the information can be provided to the vehicle. The unmanned vehicle control system 71 configured on the vehicle, or uploaded to the vehicle control center 72 in the background through the mobile communication network, can not only realize the precise positioning of the mutual positional relationship between the individual vehicles in the area, but also support the active type of the vehicle. Safety controls and data needed to provide driverless or autonomous driving.

The above-mentioned embodiments and/or implementations are only used to illustrate the preferred embodiments and/or implementations for realizing the technology of the present invention, and are not intended to limit the implementation of the technology of the present invention in any form. Personnel, without departing from the scope of the technical means disclosed in the content of the present invention, may make some changes or modifications to other equivalent embodiments, but they should still be regarded as substantially the same technology or embodiment of the present invention.

Claims (17)

1. identification and method for detecting of a kind of vehicle to vehicle characterized by comprising

This vehicle multiple and different direction of communication at this vehicle center symmetrical in the plane receive adjacent vehicle and issued with radiofrequency signal Communication request；

The direction of communication that the communication request is received according to this vehicle responds the adjacent vehicle for issuing the communication request with radiofrequency signal The content of the identification information of this vehicle, the identification information includes at least: the status information of this vehicle, this vehicle receive the logical of the communication request Interrogate the directional information in direction and the trip information of this vehicle；

This vehicle multiple and different direction of communication at this vehicle center symmetrical in the plane pass through time-sharing polling or simultaneous communications Mode issues communication request with radiofrequency signal；And receive the identification information responded by adjacent vehicle with radiofrequency signal.

2. identification and method for detecting of the vehicle as described in claim 1 to vehicle, which is characterized in that be in the plane where this vehicle Eight different direction of communication at upper symmetrical this vehicle center, receive the communication request that adjacent vehicle is issued with radiofrequency signal, Yi Jitong The mode for crossing time-sharing polling or simultaneous communications issues communication request in this eight different direction of communication one by one.

3. identification and method for detecting of the vehicle as described in claim 1 to vehicle, which is characterized in that including the knowledge according to response The radio signal analysis of other information, the distance for calculating this vehicle and adjacent vehicle.

4. identification and method for detecting of the vehicle as described in claim 1 to vehicle, which is characterized in that receive response including foundation The identification information the direction of communication of the antenna or the content of the identification information judge side of the adjacent vehicle relative to this vehicle Position.

5. identification and method for detecting of the vehicle as described in claim 1 to vehicle, which is characterized in that be by multiple radio-frequency communications Unit receives the communication request in the different direction of communication respectively, which includes a radio-frequency communication module and electricity Property connect an antenna of the radio-frequency communication module, the direction of communication of the antenna of each radio-frequency communication unit is different, each A radio-frequency communication unit can switch between aggressive mode and the Passive Mode of normality, and the radio-frequency communication unit is by dynamic model The communication request from adjacent vehicle is received in the scheduled direction of communication by the antenna of electric connection when formula, the radio frequency is logical Unit is interrogated after receiving the communication request by the antenna being electrically connected, the direction of communication according to the antenna believes an identification Breath responds the adjacent vehicle given and issue communication request；And using a communication main control module with the side of time-sharing polling or simultaneous communications Multiple radio-frequency communication units are switched to aggressive mode by formula, the radio-frequency communication unit of the communication main control module and aggressive mode The antenna be electrically connected, the communication main control module by be electrically connected the antenna direction of communication issue communication request, with And the identification information of adjacent vehicle response is obtained by the antenna of electric connection.

6. identification and method for detecting of the vehicle as claimed in claim 5 to vehicle, which is characterized in that the antenna is linear polarization day The polarization direction of line, the linear polarized antenna in wantonly two adjacent radio-frequency communication units is different, which includes water Mean pole and vertical polarization.

7. identification and method for detecting of the vehicle as claimed in claim 5 to vehicle, which is characterized in that the antenna is circular polarisation day The circular polarisation direction of line, the circular polarized antenna in wantonly two adjacent radio-frequency communication units is different, circular polarisation direction packet Include left-hand circular polarization and right-handed circular polarization.

8. identification and method for detecting of the vehicle as claimed in claim 5 to vehicle, which is characterized in that the antenna is narrow beam day Line.

9. identification and arrangement for detecting of a kind of vehicle to vehicle characterized by comprising multiple radio-frequency communication units, a hilted broadsword Multithrow switch and a communication main control module；The radio-frequency communication unit includes a radio-frequency communication module and the electric connection radio-frequency communication One antenna of module, the antenna in multiple radio-frequency communication units are each responsible at vehicle institute symmetrical vehicle center in the plane Different direction of communication carry out radio-frequency communication, the direction of communication of the antenna of each radio-frequency communication unit is different, each The radio-frequency communication unit can switch between aggressive mode and the Passive Mode of normality, and the radio-frequency communication unit is in Passive Mode When the communication request from adjacent vehicle, the radio-frequency communication received in the scheduled direction of communication by the antenna of electric connection For unit by the antenna being electrically connected after receiving communication request, the direction of communication according to the antenna returns an identification information The adjacent vehicle of communication request should be issued；The communication main control module is led to by the single pole multiple throw with time-sharing polling or simultaneously Multiple radio-frequency communication units are switched to aggressive mode one by one by the mode of news, and this of the communication main control module and aggressive mode are penetrated The antenna of frequency communication unit is electrically connected, which is issued logical by the direction of communication for the antenna being electrically connected News request, and the identification information of the antenna acquirement adjacent vehicle response by electric connection.

10. identification and arrangement for detecting of the vehicle as claimed in claim 9 to vehicle, which is characterized in that logical including eight radio frequencies Interrogate unit, the antenna in eight radio-frequency communication units be each responsible for vehicle eight of symmetrical vehicle center in the plane Direction of communication carries out radio-frequency communication.

11. identification and arrangement for detecting of the vehicle as claimed in claim 9 to vehicle, which is characterized in that the communication main control module is A kind of RFID reader, which includes: a radio-frequency communication module and an antenna；The radio-frequency communication module includes: The label chip and a single-pole double-throw switch (SPDT) of one radio frequency recognition volume label store the identification information among the label chip, the radio frequency Communication unit label chip in Passive Mode by the single-pole double-throw switch (SPDT) is electrically connected the antenna, the radio-frequency communication unit In aggressive mode, the communication main control module is electrically connected the antenna by the single-pole double-throw switch (SPDT), and cuts off the label chip With the electric connection of the antenna.

12. identification and arrangement for detecting of the vehicle as claimed in claim 9 to vehicle, which is characterized in that the identification information is at least wrapped Contain: the status information of vehicle, vehicle receive the directional information of the direction of communication of communication request and the operating parameter letter of vehicle Breath.

13. identification and arrangement for detecting of the vehicle as claimed in claim 9 to vehicle, which is characterized in that the antenna is linear polarization day The polarization direction of line, the linear polarized antenna in wantonly two adjacent radio-frequency communication units is different, which includes water Mean pole and vertical polarization.

14. identification and arrangement for detecting of the vehicle as claimed in claim 9 to vehicle, which is characterized in that the antenna is circular polarisation day The circular polarisation direction of line, the circular polarized antenna in wantonly two adjacent radio-frequency communication units is different, circular polarisation direction packet Include left-hand circular polarization and right-handed circular polarization.

15. identification and arrangement for detecting of the vehicle as claimed in claim 9 to vehicle, which is characterized in that the antenna is narrow beam day Line.

16. identification and arrangement for detecting of the vehicle as claimed in claim 9 to vehicle, including configuration at an information of vehicle Device is managed, which can be according to the radio signal analysis of the identification information of response, calculating vehicle and adjacent vehicle Distance.

17. identification and arrangement for detecting of the vehicle as claimed in claim 16 to vehicle, which is characterized in that the message handler can be with Adjacent vehicle is judged according to the communication side of some antenna for the identification information for receiving response or the content of identification information Orientation relative to vehicle.