SU871175A1 - Simulator for operator training - Google Patents

Description

(54) SIMULATOR FOR TRAINING OPERATORS

I

The invention relates to the field of simulators and can be used in the process of learning to work on multichannel automated control systems, as well as directly in control systems, which require reconfiguration of the shape of control signals depending on the process mode.

A simulator is known for training operators J containing a control unit, a unit of switching elements and a voltage converter connected to the control object unit.

The disadvantage of this simulator is the low efficiency of training.

The aim of the invention is to increase the efficiency of learning.

The goal is achieved by the fact that the simulator contains a unit of control signal levels, the inputs of which are connected to the outputs of a block of switching elements, and the output is connected to the input of a voltage converter, a pulse generator, a logical element NOT, a logic element And a block of frequency dividers, a block of counters,. a decoder unit, wherein the outputs of the pulse generator, the NOT logic unit and the control unit are connected to the inputs of the logic element I, the output of which is through the frequency divider unit, the counter unit is connected to the first inputs of the decoder unit, the outputs of which are connected to the inputs of the switching element unit. at the same time, one of the inputs of the peS unit peKJB04a () i9ix elements is connected with the input of the logical element NOT, and the control object unit is connected to the second input of the decoder unit and the counter unit.

20

The drawing shows the block diagram of the simulator.

The simulator contains a pulse generator 1, a logical element And 2,

3

frequency divider unit 3, meter block 4, logical element 5, block of decoders 6, switching unit 7, power supply unit 8, control signal shaping unit 9, voltage converter-control signal 10, control object unit 11 and control unit 12.

The simulator works as follows.

When the operator turns on one of the controls on the control unit 12, which represents a workplace simulator (control panel, machine cabin, control station), an electrical signal is generated which is fed to the input of the logical element I 2, on the other input of which there is a single signal from the logical element NOT 5 /

From the output of the pulse generator 1, which is, for example, a frequency-controlled multivibrator, the generated pulses through the logic element 2 are fed to the input of the frequency divider unit 3, which has been used to ensure scaling.

The control object block 11, which is a simulator of the executive bodies and implemented in the simulator in the form of a pneumatic circuit or in the form of an object modes, should display the process in real time, proceeding in accordance with a given (characteristic) for this node control law.

As a rule, low-frequency generators have unsatisfactory stability with relatively simple circuit solutions, therefore, a medium-frequency pulse generator 1 with a fairly wide control range and a frequency divider unit 3 are used in the simulator.

From the output of block 3, the pulses go to the block of counters 4, the outputs of which alternate the signals displayed by the double-read parallel code.

These signals are fed to the input of the decoder unit 6, in which the single-cycle, decimal code is converted, and on the output control group corresponding to this control at the moment of code alternation, but signals appear that go up 754

equal to the state of the set of keys in the switchable block of elements 7.

These keys alternately shunt the inputs of the control signal shaping unit 9 with respect to the source's common point (power supply unit 8).

This is not shown in the diagram to simplify the drawing. ,

Block 9 is a conventional multi-input resistor voltage divider.

With the help of this voltage divider, the signal of any form of approximation

5 mA with step voltage. The division of each step is uniquely determined by the frequency of the pulse generator 1 at the current time. Each governing body

0 of control unit 12, the corresponding output of block 9 is mapped. By adjusting the dividers and the frequency of the generator, at each of the outputs of block 9 (at the moment of operating the controls) a signal representing the behavior of the simulated actuator in each channel (the drawing shows a block diagram in the case of one channel).

Q From the output of block 9, the generated signal from the corresponding control body enters the voltage converter-control signal 10.

Converter 10 is a junction circuit of a control object I1 with a block 9. It can be implemented as a voltage-current converter, a voltage-frequency converter, etc. (depending on the shape of the signal, providing a display of the process of the actuator operation). At the time of termination of the impact on the governing body of the student (end of cycle), i.e. when the displayed actuator in the control object block 11 reaches a predetermined position, a signal is generated in it (not shown), which is applied to the zero inputs of blocks 4 and 6 to reset the channel.

In the simulator, the control units I2 and the control object I1 can be provided to train operators of various kinds to professionals.

Claims (1)

5 At the same time, frequencies and conductivities are set (adjusted), corresponding to the nature of the leaking processes in real objects. 5 The use of this invention improves the efficiency of operator training. The invention The simulator for training the operators of the inclusions control unit, the unit of switching elements and the voltage converter associated with the control object block, characterized in that, in order to increase the training efficiency, it contains the control signal generating unit whose inputs are connected with the outputs of the block I switch elements 1FPS, and the output with the input of the voltage converter, the generator 56 pulses, the logical element NOT, the logical element AND, the block of frequency dividers, the block of counters, the decryption block A ditch, and the outputs of the pulse generator, the HE logic element and the control unit are connected to the inputs of the logic element I, whose output through the frequency divider unit is connected to the first inputs of the decoder unit, the outputs of which are connected to the inputs of the switching unit, and one input the block of switching elements is connected to the input of the logical element NOT, and the block of the control object is connected to the second inputs of the block of decoders and the block of counters.