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WO2009007492A1 - Système d'ascenseur - Google Patents

Système d'ascenseur Download PDF

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Publication number
WO2009007492A1
WO2009007492A1 PCT/FI2008/000067 FI2008000067W WO2009007492A1 WO 2009007492 A1 WO2009007492 A1 WO 2009007492A1 FI 2008000067 W FI2008000067 W FI 2008000067W WO 2009007492 A1 WO2009007492 A1 WO 2009007492A1
Authority
WO
WIPO (PCT)
Prior art keywords
car
load weighing
signal
acceleration
elevator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/FI2008/000067
Other languages
English (en)
Inventor
Tapio Tyni
Pekka PERÄLÄ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kone Corp
Original Assignee
Kone Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kone Corp filed Critical Kone Corp
Publication of WO2009007492A1 publication Critical patent/WO2009007492A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/14—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing suspended loads
    • G01G19/18—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing suspended loads having electrical weight-sensitive devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/3476—Load weighing or car passenger counting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B66B5/14—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of excessive loads
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/14—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing suspended loads
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
    • G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
    • G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values

Definitions

  • the present invention relates to elevator systems. More particularly, the present invention relates to a method, a computer program and a system for improving the quality of the load weighing signal of an elevator.
  • a weighing arrangement is often used to determine the mass of the passengers. Measurement of the mass is performed e.g. with a floor load weighing device, a car load weighing device, an overhead beam load weighing device or a drive machinery load weighing device.
  • the car sling of the elevator car is suspended e.g. hanging on a flexible rope.
  • the elevator car for its part, rests e.g. on top of the flexible suspension inside the car sling.
  • the sensors connected to the weighing are disposed in the area between the elevator car and the car sling.
  • the load weighing device measures the deflection of the top part of the car sling e.g. with strain gauges. In other words it weighs the whole car sling i.e. the mass of the elevator car and of the passengers. At the same time the static frictions and kinetic frictions of the guides and guide rails influence the weighing result.
  • the weighing sensors are disposed in the fixing elements of the drive machinery or of the drive motor of the elevator such that they measure the usually downward directed force exerted on the drive machinery by the ropes used to support the elevator car and any counterweight .
  • the measurement results of load weighing devices are also often used for measuring the movements and amount of passengers. On the basis of the load weighing signal it is endeavored to detect the people entering the elevator car and likewise the people leaving the elevator car.
  • the purpose of the invention is to eliminate the aforementioned drawbacks. More particularly, the purpose of the invention is to disclose a new kind of solution for filtering and significantly improving the load weighing signal of an elevator.
  • a method for improving the accuracy of a load weighing signal in an elevator system is presented.
  • a load weighing signal expressing the sum of the forces exerted on the elevator car or on the drive machinery or on the elevator car and the car sling is received from the load weighing arrangement
  • the measuring signal about the vertical acceleration of the elevator car is received from the measuring means of acceleration fixed in connection with the elevator car or with the car sling
  • the load weighing signal is compensated with the acceleration signal measured by the measuring means of acceleration.
  • a computer program is presented, which is arranged to perform the method presented in some of the method claims when run on a data processing appliance.
  • the computer program can be stored on a medium that is readable with a data processing appliance.
  • a system for improving the accuracy of a load weighing signal in an elevator system comprises at least one elevator, a load weighing arrangement of an elevator, which is arranged to measure the sum of the forces exerted on the elevator car or on the drive machinery or on the elevator car and the car sling, and means for measuring the vertical acceleration of the elevator car fixed in connection with the elevator car or with the car sling.
  • the system comprises an analysis system, which is arranged to receive a load weighing signal expressing the sum of the forces exerted on the elevator car or on the elevator car and the car sling or on the drive machinery from the load weighing arrangement; to receive a measuring signal about the vertical acceleration of the elevator car from the means; and to compensate the load weighing signal with the acceleration signal measured by the means.
  • an analysis system which is arranged to receive a load weighing signal expressing the sum of the forces exerted on the elevator car or on the elevator car and the car sling or on the drive machinery from the load weighing arrangement; to receive a measuring signal about the vertical acceleration of the elevator car from the means; and to compensate the load weighing signal with the acceleration signal measured by the means.
  • the load weighing signal in the compensation phase is scaled with the sum of the acceleration of the gravity of the earth (acceleration constant g) and the measuring signal of the measuring means of acceleration, and the zero offset caused by the mass of the car is removed from the scaled load weighing signal, in which case the compensated mass measured by the car load weighing device is obtained.
  • ⁇ *) G est [(P 1 LWDO (*) - TM c ( k - I)) - m0 LWD ]
  • the load weighing signal is scaled with the sum of the acceleration constant g and the measuring signal of the measuring means of acceleration, and the zero offset caused by the moving masses, such as e.g. the mass of the elevator car, the car sling, the roping and/or the counterweight, is removed from the scaled load weighing signal, in which case the compensated mass measured by the car load weighing device is obtained.
  • the friction component caused by the guides and guide rails are also removed from the scaled load weighing signal .
  • the elevator car is driven between two floors, data about the shaft frictions exerted on the car during the run between the floors is collected and the collected data is used as a condition monitoring indicator.
  • passengers arriving in the elevator car and/or leaving from it are detected on the basis of the compensated load weighing signal .
  • One of the advantages of the present invention is that it is possible, depending on the load weighing device type, to effectively compensate the load weighing device measurement for the phenomena caused by acceleration by measuring the acceleration of the elevator car and/or the car : sling.
  • the method disclosed in the present invention also applies to floor, car and overhead beam load weighing devices as well as to drive machinery load weighing devices and the method can be applied when the elevator car is moving as well as when it is stationary.
  • the offset of the zero point caused by accelerations and decelerations of the elevator can be removed from the load weighing signal. Further, the vibrations of the system excited by the movements of passengers are removed from the load weighing signal. In the case of an overhead beam load weighing device and a drive machinery load weighing device the offset of the zero point caused by friction can also be compensated.
  • the detection and counting of passengers is remarkably easy from a clear signal that is free of interference.
  • passenger counting is facilitated in particular when openings of the doors are started before the final stooping of the elevator car at the floor (so-called advance opening) . Since advance opening increases the service capacity of an elevator, it is possible with the solution according to the invention to also favorably affect the service capacity of the elevator.
  • FIG. 1 presents one embodiment of the system according to the invention.
  • Fig. 2a presents the behavior of an uncompensated load weighing signal in the different phases of operation of the elevator in the case of a car load weighing device.
  • Fig. 2b presents the behavior of a compensated load weighing signal in the different phases of operation of the elevator in the case of a car load weighing device .
  • Fig. 3 presents another embodiment of the system according to the invention.
  • Fig. 4a presents an example of compensated and of uncompensated weighing in the case of an overhead beam load weighing device.
  • Fig. 4b presents an example of acceleration- compensated and friction-compensated load weighing device measurements in the case of an overhead beam load weighing device.
  • Fig. 5 presents an embodiment according to the invention for estimating the car mass.
  • Fig. 6 presents a flow chart example of the structure of the system according to the present invention.
  • Fig. 1 presents one embodiment of the system according to the invention.
  • the phenomena caused by the vertical acceleration of the car is compensated out of the measurement of the car load weighing device 106, such as the offset of the zero point produced by acceleration and deceleration as well as the vibrations generated by the masses of the car and their suspensions.
  • the measuring and compensation can be performed both while the elevator car is moving between floors and while the elevator car is stopped e.g. at a floor. After the compensation the measurement result corresponds to the weighing performed with a fixed floor.
  • the acceleration data needed for the compensation is obtained from the acceleration sensor fixed to the elevator car 102 or to the car sling 100.
  • the sensors of the car load weighing device 106 are disposed in the area between the elevator car 102 and the car sling 100.
  • the car load weighing device 106 measures the sum of the forces exerted on the elevator car 102, in which case with the markings of Fig. 1 the following can be written:
  • m p (t) is the mass of the passengers 104 at the time t
  • m c is the mass of the car
  • g is the acceleration of the gravity of the earth (acceleration constant g)
  • a c (t) is the acceleration of the car at the time t.
  • the force measurement (1) In order to obtain the mass from the force, the force measurement (1) must be scaled with g:
  • the acceleration of the elevator car 102 brings an interference term dependent on the mass of the elevator car 102 and the combined mass of the passengers 104 with it to the measurement.
  • the car load weighing device 106 measures correctly only when the acceleration a c (t) of the elevator car 102 is zero.
  • the acceleration phase and the deceleration phase give an (almost) constant value to a c , which is seen as an offset of the zero point of the car load weighing device 106 during a change of speed.
  • the passengers excite the system to vibrate at its natural frequency.
  • Fig. 2a presents the behavior of an uncompensated load weighing signal in the different phases of operation of the elevator.
  • the bottom part of Fig. 2a presents the car load weighing device signal when the elevator initially moves at 1.6 m/s upwards, slows at a floor, two passengers leave and one arrives, and finally the elevator continues its journey upwards.
  • the zero point offsets caused by acceleration and deceleration are clearly seen, as well as the reaction of the mechanical vibration circuits to the steps of the passengers and to their moving between the car and the floor.
  • a c (t) is the measurement of the acceleration sensor.
  • the signal produced by the acceleration sensor installed in its position describes with sufficient accuracy the actual acceleration of the car, in other words a c (t) « a. c ⁇ t) .
  • (4) is reduced to the simple form:
  • Fig. 2b presents a compensated load weighing signal. At the top the speed of the elevator is presented, in the center the uncompensated and the acceleration- compensated load weighing signal in the same coordinate system are presented. At the bottom just the compensated signal is presented. With the method presented above the interference caused by the acceleration of the car can be compensated out of the load weighing signal.
  • the compensated load weighing signal can still be filtered e.g. with a nonlinear median filter, which preserves the steep edges of the signal but removes random interference peaks.
  • Fig. 3 presents another embodiment of the system according to the invention.
  • an overhead beam load weighing device is used as a load weighing device, which measures the deflection of the top part of the sling typically with strain gauges. In other words, it measures the total mass of the sling, the car and the passengers.
  • the static frictions and kinetic frictions of the car guides and guide rails also affect the weighing result.
  • the passengers are not directly visible to the overhead beam load weighing device, but instead the elastic dampers of the suspension of the car are between.
  • the situation examined in Fig. 3 is simplified in that the elevator car 302 and the car sling 300 are defined as a single mass. In this case the situation otherwise corresponds to the case of the car load weighing device (Fig. 1) .
  • the friction of the guide rails b g is taken into account in the compensation.
  • Equation 1 lwd(t) is the force measurement received from the overhead beam load weighing device 306 at the time t
  • ⁇ c (t) is the measurement of the acceleration sensor
  • g is the acceleration of the gravity of the earth
  • rh c is the estimate of the mass of the elevator car
  • m s is the estimate of the mass of the car sling.
  • equation (8) is an acceleration-compensated load weighing device equation.
  • Fig. 4a presents weighing performed with both methods (uncompensated and compensated weighing with an overhead beam load weighing device) . Owing to the simplification of the mechanical model, the vibrations do not quite fully attenuate. In addition the friction of the guides is seen in the compensated weighing when the elevator is moving.
  • This frictional force can be compensated out of the load weighing measurement by adding a term corresponding to it to equations (7) and (8) .
  • the idea in the cost function (12) is that the load weighing measurement, compensated for both acceleration and friction, must with an empty elevator be zero all the time during the run, in which case by minimizing the squared error of the terms deviating from zero the optimal estimates for the unknown parameters are obtained.
  • the task can be solved e.g. when the empty elevator drives a run between two consecutive floors.
  • the run- time K measurement is collected in a data buffer, and after the run has ended (12) is solved e.g. with a prior-art linear optimization algorithm.
  • the parameters thus made represent the average for the particular floor-to-floor distance.
  • a run of an empty elevator for its part, can be inferred e.g. as follows.
  • the elevator has stood at a floor free and with the doors closed for a long enough time and when it leaves from there without opening the doors to serve a landing call, it is very probably empty.
  • the parameters to be estimated can be updated via a reasonably long time constant, in which case an individual failed estimation changes the long-term average only a little.
  • the friction force is by nature so-called Coulombin friction. In other words, it depends solely on the normal direction of the force against the surface not on speed.
  • Static friction is v>0 difficult to estimate and it varies very much along with the position of the car and other such factors.
  • Fig. 4b presents both acceleration-compensated and friction-compensated load weighing measurements.
  • Fig. 4b at the top is the speed of the elevator and in the center is the measurement compensated for both acceleration and for friction.
  • the bottom measurement has also been filtered with a median filter, the length of the window of which was 0.11 seconds.
  • Filtering has removed vibration, as can be seen from the center section of the lower figure.
  • the estimation of average friction factors between the floors is used in condition monitoring.
  • a friction table By collecting e.g. a friction table about runs between consecutive floors, a "shaft picture" is obtained of the frictions of the guide rails in the different parts of the shaft. This can be used e.g. as a condition monitoring indicator.
  • the data can be supplied e.g. to a service center, where e.g. long-term monitoring of the trend for frictions can be performed.
  • Fig. 5 presents an embodiment of the invention for estimating the car mass m c .
  • the automatic resetting to zero of the load weighing device in other words estimation of the car mass m c , can be performed adaptively e.g. when it is known that the car is empty. Conventionally it has been possible to do this e.g. when the car is standing free at a floor with the door closed. In this case it can be assumed that the car is empty and the load weighing device should show zero.
  • the estimation can also be performed when the empty car is moving. In this case the load weighing device should actually show zero all the time because, the car is empty.
  • the resetting can be performed when the elevator is standing empty with the doors closed, leaves from this situation to serve a landing call and slows at the floor until the doors are 800mm open.
  • the resetting is performed this way because the system receives excitations during the run.
  • the adaptation mechanism receives information in the different operating points of the system.
  • the vibration and accelerations during the run keep the suspensions in motion, as a result of which any (non-linear) static frictions of the suspensions are not able to influence the estimation process.
  • estimation of the parameter m c can be performed by iterating the samples received from the load weighing device
  • e( k ) G es t [( m LWDo ( k ) -m c ⁇ k- 1)) - m0 LWD ]
  • m c (k) m c (k- ⁇ ) + S -e(k) ( 13 )
  • m c (k) is an estimate for the mass of the car with the sample number k
  • m0 LWD is the target weight for the empty car displayed by the load weighing device, for which a value of 0 kg is normally given.
  • the state variable S can receive the values 0 or 1.
  • the estimate of the mass of the elevator car is corrected with the estimation error e ⁇ k) only when the elevator is known to be empty.
  • G est is the confirmation of the estimate and determines how quickly the mass of the car adapts towards its final value.
  • Fig. 5 it can be seen from Fig. 5 by way of an example how m c adapts when the elevator is driven with the car empty and when the adaptation mechanism (13) is active.
  • the mass estimate of the car is intentionally set as 200 kg in the initial situation. In practice an error of this magnitude is only in question when starting up the system for the very first time.
  • an adequately accurate estimate for the mass of the car is found in approx. four seconds.
  • the compensated load weighing signal reaches zero despite all motion.
  • the estimate of the mass of the car calculated above rh c can be used e.g. in the equation (6) .
  • Fig. 6 presents one embodiment of the system according to the invention.
  • the system comprises an analysis system 600, which receives measuring data from the load weighing arrangement 604 and from the means 602 for measuring acceleration.
  • Means 602 for measuring acceleration refers preferably to an acceleration sensor, which is arranged e.g. in connecting with the elevator car or with the car sling.
  • the analysis means 600 is arranged to receive a load weighing signal expressing the sum of the forces exerted on the elevator car or on the elevator car and the car sling or on the drive machinery from the load weighing arrangement 604, to receive a measuring signal about the vertical acceleration of the elevator car from the means 602 and to compensate the load weighing signal with the acceleration signal measured by the means 602 according to one of the preceding embodiments of the present invention.
  • the analysis system 600 can be implemented with e.g. a computer program, which when run on a data processing appliance performs the necessary analysis phases. In another embodiment the analysis system 600 can be implemented with a fully suitable appliance or with a combination of an appliance and software.
  • the analysis system can comprise one or more memories, which contain a computer program that performs the analysis.
  • the memory or memories can also contain other applications and software components, which are not described in more detail in this application.
  • the analysis system 600 can also comprise a central processing unit, which can also comprise a memory or a memory can be connected to it, which memory can contain a computer program (or a part thereof) , which when run in the central processing unit performs at least some or the performance phases required by the invention .

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Elevator Control (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)

Abstract

La présente invention décrit une solution pour améliorer la précision d'un signal de pondération de charge dans un système d'ascenseur. Selon l'invention, le signal de pondération de charge exprimant la somme des forces exercées sur la cabine d'ascenseur, sur la machinerie d'entraînement ou sur la cabine d'ascenseur et l'élingue de cabine sont est émis par l'agencement de pondération de charge. Lorsque la cabine d'ascenseur se déplace ou est stationnaire, le signal de mesure apparenté à l'accélération verticale de la cabine d'ascenseur est émis par des moyens de mesure de l'accélération affixés sur la cabine d'ascenseur ou l'élingue de cabine; le signal de pondération de charge est compensé avec le signal d'accélération mesuré par les moyens de mesure de l'accélération.
PCT/FI2008/000067 2007-07-09 2008-06-13 Système d'ascenseur Ceased WO2009007492A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20070539 2007-07-09
FI20070539A FI20070539L (fi) 2007-07-09 2007-07-09 Hissijärjestelmä

Publications (1)

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WO2009007492A1 true WO2009007492A1 (fr) 2009-01-15

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102126655A (zh) * 2010-12-30 2011-07-20 上海电机学院 一种电梯调度方法
WO2012101325A1 (fr) * 2011-01-28 2012-08-02 Ponsse Oyj Procédé, produit logiciel et agencement utilisés dans le pesage de contrôle d'un système de pesage et équipement de manutention
WO2014188062A1 (fr) * 2013-05-20 2014-11-27 Kone Corporation Agencement servant à utiliser des appels relatifs à la destination spécifique d'un passager dans un système d'ascenseur
CN106744113A (zh) * 2016-12-27 2017-05-31 广东技术师范学院 电梯轿厢乘载的检测方法及装置
CN106976772A (zh) * 2016-01-15 2017-07-25 株式会社日立大厦系统 电梯的搭乘感诊断装置以及搭乘感诊断方法
WO2019042753A1 (fr) * 2017-08-31 2019-03-07 Inventio Ag Détection de personne dans une cabine d'ascenseur
CN113588063A (zh) * 2021-07-28 2021-11-02 天津市府易科技股份有限公司 一种基于活体重力感应与边缘智能识别技术的出门检测系统
WO2024056726A1 (fr) * 2022-09-15 2024-03-21 Inventio Ag Procédé d'estimation de charge d'une cabine d'ascenseur

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0528188A1 (fr) * 1991-08-15 1993-02-24 KONE Elevator GmbH Détermination du nombre de personnes qui montent ou descendent d'une cabine d'ascenseur
JPH0812206A (ja) * 1994-07-01 1996-01-16 Mitsubishi Electric Corp エレベーターの制御装置
US6123176A (en) * 1996-05-28 2000-09-26 Otis Elevator Company Rope tension monitoring assembly and method
US20010052431A1 (en) * 2000-05-19 2001-12-20 Sartorius Ag Electronic weighing sensor
WO2002097381A1 (fr) * 2001-05-25 2002-12-05 Trans Lock Industries Australasia Pty Limited Systeme de pesage dynamique
US20030111301A1 (en) * 2000-05-01 2003-06-19 Denis Sittler Load carrying means for cable elevators with integrated load measuring equipment
WO2006035101A2 (fr) * 2004-09-27 2006-04-06 Kone Corporation Procede et systeme de mesure de la precision d'arret d'une cabine d'ascenseur
JP2006321642A (ja) * 2005-05-20 2006-11-30 Hitachi Building Systems Co Ltd エレベーターのかご内荷重検出装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0528188A1 (fr) * 1991-08-15 1993-02-24 KONE Elevator GmbH Détermination du nombre de personnes qui montent ou descendent d'une cabine d'ascenseur
JPH0812206A (ja) * 1994-07-01 1996-01-16 Mitsubishi Electric Corp エレベーターの制御装置
US6123176A (en) * 1996-05-28 2000-09-26 Otis Elevator Company Rope tension monitoring assembly and method
US20030111301A1 (en) * 2000-05-01 2003-06-19 Denis Sittler Load carrying means for cable elevators with integrated load measuring equipment
US20010052431A1 (en) * 2000-05-19 2001-12-20 Sartorius Ag Electronic weighing sensor
WO2002097381A1 (fr) * 2001-05-25 2002-12-05 Trans Lock Industries Australasia Pty Limited Systeme de pesage dynamique
WO2006035101A2 (fr) * 2004-09-27 2006-04-06 Kone Corporation Procede et systeme de mesure de la precision d'arret d'une cabine d'ascenseur
JP2006321642A (ja) * 2005-05-20 2006-11-30 Hitachi Building Systems Co Ltd エレベーターのかご内荷重検出装置

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102126655A (zh) * 2010-12-30 2011-07-20 上海电机学院 一种电梯调度方法
US9297690B2 (en) 2011-01-28 2016-03-29 Ponsse Oyj Method in the check weighing of a weighing system and software product and arrangement in the check weighing of a weighing system and materials handling equipment
WO2012101325A1 (fr) * 2011-01-28 2012-08-02 Ponsse Oyj Procédé, produit logiciel et agencement utilisés dans le pesage de contrôle d'un système de pesage et équipement de manutention
CN103328943A (zh) * 2011-01-28 2013-09-25 蓬塞有限公司 称重系统的检重方法、称重系统的检重软件产品和装置以及材料搬运设备
CN105209364B (zh) * 2013-05-20 2017-03-15 通力股份公司 在电梯系统中服务乘客特定的目的地呼叫的布置
CN105209364A (zh) * 2013-05-20 2015-12-30 通力股份公司 在电梯系统中服务乘客特定的目的地呼叫的布置
WO2014188062A1 (fr) * 2013-05-20 2014-11-27 Kone Corporation Agencement servant à utiliser des appels relatifs à la destination spécifique d'un passager dans un système d'ascenseur
US10046947B2 (en) 2013-05-20 2018-08-14 Kone Corporation Elevator controller configured to control an elevator based on a determination of which of a plurality of elevator cars is associated with a passenger having registered a destination call, a system and a method of operating same
CN106976772A (zh) * 2016-01-15 2017-07-25 株式会社日立大厦系统 电梯的搭乘感诊断装置以及搭乘感诊断方法
CN106744113A (zh) * 2016-12-27 2017-05-31 广东技术师范学院 电梯轿厢乘载的检测方法及装置
WO2019042753A1 (fr) * 2017-08-31 2019-03-07 Inventio Ag Détection de personne dans une cabine d'ascenseur
CN113588063A (zh) * 2021-07-28 2021-11-02 天津市府易科技股份有限公司 一种基于活体重力感应与边缘智能识别技术的出门检测系统
WO2024056726A1 (fr) * 2022-09-15 2024-03-21 Inventio Ag Procédé d'estimation de charge d'une cabine d'ascenseur

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