SU1089550A1 - Sampling control device - Google Patents

Abstract

A DEVICE FOR DISCRETE CONTROL, containing the first register connected by the first information inputs to the input of the device, and the second information inputs to the output of the block of time intervals, the first and second blocks, in order to expand the functional capabilities by implementing a device of various control actions without changing its structure, an address counter, a second register, a comparison unit, a control unit / indicator and a pulse generator, a connected output are entered into it to the first input of the control unit connected by the first and second outputs to the control inputs of the first and second registers respectively, the third 4H outputs to the nepBHNJH inputs of the display unit, to the inputs of the time intervals block, to the first outputs of the register and to the first information inputs of the second memory block, and the fourth outputs - with the second inputs of the display unit, with the second outputs of the second register and with the second information inputs of the second memory block connected to the first and second control inputs, respectively, to the first and second control inputs of the first memory block and to the second and sixth outputs of the control panel connected to the seventh output with the counting input of the counter: addresses connected by the outputs of each bit to the corresponding address inputs of the first and second memory blocks to the third inputs of the display unit, connected by four inputs with the outputs of the first register, with the first inputs of the comparison unit and era x I with the information and inputs of the first I memory unit connected by the outputs to the second inputs of the comparison unit, connected theconnected to the output with the second input of the control unit ..

Description

The invention relates to automatic control systems and can be used to control conventional technological processes, in particular industrial robots, manipulators, as well as lifting and handling, storage and other discrete technological objects. A process control device is known, which contains a situation memory block in the form of a hypothesis memory device and a situation register in the form of a command memory device that allows controlling objects characterized by conditional-probability dependencies between input situations. object and control commands C13. However, the known device has limited functionality of the HL application. The closest technical solution to the invention is a device containing a register of situations, connected informational inputs to the outputs of state sensors, outputs to informational inputs of the first memory block, and second and third inputs respectively to the outputs of the encoder and delay block connected by input to the control input of the second delay unit associated with the information inputs and outputs with the corresponding second inputs and the outputs of the first memory block C2. The disadvantage of such a device is The ability to change its structure (re-switching of diode arrays) with a change in the operation algorithm of the control object. In cases where frequent changes in the operation algorithm of the device for discrete control are necessary, the device cannot be used. The purpose of the invention is to extend the functionality by implementing a device of various control actions without changing its structure. This goal is achieved by the fact that in the device for discrete control, containing the first register connected by the first information inputs to the device input, and the second information inputs to the output of the block of time intervals, the first and second memory blocks, the address counter is entered, the second register, the comparison unit , control unit, indicator and pulse generator connected by an output to the first input of the control unit connected by the first and second inputs to the control inputs of the first and second registers, respectively , the third outputs - with the first inputs of the display unit, the inputs of the time interval block, the first outputs of the second register and the first information inputs of the second memory block, and the fourth outputs - with the second inputs of the display unit, the second outputs of the second register and the second information inputs of the second memory block connected by the first and second control inputs to the first and second control inputs of the first memory block and to the fifth and sixth outputs of the control block connected to the seventh output of The counting input of the address counter connected by the outputs of each bit to the corresponding address inputs of the first and second memory blocks and to the third inputs of the display unit connected by the fourth inputs to the outputs of the first register, to the first inputs of the comparison unit, and to the information inputs of the first memory block, connected by the outputs to the second inputs of the comparison unit connected by the output to the second input of the control unit; FIG. 1 shows a block diagram of the device; in fig. 2 is a control block diagram. The device contains the first register 1 of the block 2 time intervals, the first memory block 3, the second memory block 4, the second register 5, the comparison block 6, the address counter 7, the indication block 8, the pulse generator 9, the control block 10. The control unit 10 contains a keyboard 11, a pulse shaper 12 and a switch 13. The principle of operation of the device is based on the recognition of states (hereinafter referred to as situations) emitted by the sensors of the control object (signals and issuing commands (signals Y) by the device corresponding to the situation that has arisen switching on or off the corresponding actuators, elements of time, counters, etc. Linking the device to a specific object and entering the corresponding control algorithm for this object It connects the inputs of the device to the outputs of the sensors, and the outputs of the device to the executive bodies of the control object, followed by a one-time simulation of the technological cycle using the control unit 10. During this simulation, the codes of various technological situations will be automatically entered into the memory 3, and in memory unit 4, control command codes corresponding to each situation. In addition, the algorithm of operation of the proposed device in each specific case can be

set by .---; gs of the established time diagram y) D of the control object by its sequential dialing and input into the device from the keyboard of the control block 10, the number of bits of the first memory block 3 is equal to the number of register bits 1, and the second memory block 4 the number of object actuators management

The device works as follows.

The signals X from the sensors of the control object, the signals of the block 2 time intervals in the form; combinations of odnnnits and zeros (situation code) are fed to the inputs of register 1, and from the output of the latter to the first inputs of block 6 comparison. At the second inputs of the block b comparison, at a given frequency, situation odes written in the cells of memory block 3 (situations) are received in a parallel-sequential manner. At the same time, command inputs are received at the inputs of register 5 (control commands) from memory block 4 (control commands). Each situation code recorded in the memory of the memory block 3 (situations), the same address in memory block 4 (control commands) is recorded with the appropriate command code for switching on and off actuators, time elements, etc. Memory unit 3 and memory unit 4 issue a situation code and a command code respectively. (corresponding to this situation) synchronously using the address counter 7, which automatically switches pulses of the pulse generator through the control unit 10, and after switching the address of memory blocks 3 and 4 to the inputs of the latter from the control unit 10, a pulse is received, which reads the contents of the cells both memory blocks. When the situation codes received at the inputs of the comparison unit 6 coincide from the register 1 and the memory block 3, a pulse appears at the output of the comparison block b, which, through the control block 10, writes the code to the register 5 (control commands)

KOMA-NDA, POSTIPIPPYY IN LONG TERM (IT

at his entrances. This code turns on and off the actuators of the control object, as well as the elements of the block 2 time intervals that specify the necessary time delays. Thus, with each change in the situation code that enters the inputs of the situation register 1, a new object management command is written to register 5 (control commands). The execution of the specified cycle by the executive mechanisms ends with the appearance at the inputs of register 1 (situations) of a new combination of signals X, which, in turn, causes the appearance at the outputs of register 5 (control commands) of a new combination of signals V that turn on and off the corresponding executive measures: y.anysms, etc.

The input and storage of the control program by the device is realized in the manual control mode. According to the indications of the display unit 8, the address, the situation code and the command code are typed using the keyboard 11, then the codes from the control unit 10 record the codes. Into the memory blocks 3 and 4. The adjustment of the control actions on the control object can be carried out in the control process, which allows for an operative change of the control program of the object. promptly reorient the control device to perform control operations according to the modified algorithm.

The advantage of the device is the absence of the need to develop software, the cost and complexity of which exceed these indices of the equipment itself.

The proposed device provides the ability to quickly change the control algorithm without changing its structure, while eliminating the need for software. In addition, the device allows the input of the control of this algorithm by means of a one-time simulation of the operation of the control object.

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Claims (1)

A DISCRETE CONTROL DEVICE containing a first register connected by the first information control panels connected by the seventh inputs to the input of the device, and the second information inputs to the output, block of time intervals, the first and second blocks of memory, from the list, In order to expand the functionality by implementing various control actions by the device without changing its structure, the address counter, second register, comparison unit, control unit, indicator and generator are taken away from it and pulses coupled to the output of the first input from the output address counter counting input connected to the outputs of each bit corresponding · nym address inputs of the first and second memory blocks g and to third inputs of the indication unit ,. connected by the fourth inputs to the outputs of the first register, with the first inputs of the comparison unit and ic information inputs of the first (memory block connected by the outputs to the second inputs of the comparison unit, connected by the output to the second input of the control unit. eo u SI SP>