RU1774366C - Operator skill tester - Google Patents

Abstract

The invention relates to automation, in particular to devices for studying psychophysiological reactions, and can be used in professional selection of keyboard apparatus operators. The purpose of the invention is to increase the accuracy of the device in determining coordinated actions by reaction time and to identify quick work skills. The device comprises a pulse shaper 1, a key 2, a controlled switch 3, a control pulse distributor 4, a switch 5, a demultiplexer 6, an operator response input unit 7, a pulse forming unit 8, an indication unit 9, an And block 10, and a time stamp generator 11 , registration unit 12, end-stage signaling unit 13, prohibition element block 14, and pulse generating unit (blinking signals) 15; Introduction to the device of blocks 14, 15 provides a random blinking of signals (stimuli), a separate fix the response time of the right and left hands (revealing asymmetry) and determining the number of correct and incorrect answers (by color). 9 ill. next to

Description

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The invention relates to automation, in particular to devices for studying psychophysiological reactions, and can be used in the professional selection of keyboard apparatus operators.

A device for professional selection of operators 1 is known, comprising a response input unit, a control unit, a random pulse generating unit, a program unit, a switch, a comparison circuit, an audio information unit, a recording unit, pause highlighting units, OR circuits, and an indicator This device is detected skills of coordinated actions of the hands of the operator.

A device for evaluating the sensorimotor activity of operator 2 is provided, comprising a response input unit, a program setting unit, a pulse shaper, a switch, an indication unit, a single pulse generator, a time stamp generator, four counters, a trigger, a switch, and an element I. This device which process of inhibition or excitation prevails in the subject during sensorimotor operations.

The closest in technical essence to the invention is a device for evaluating and training reactions 3, containing a serially connected block of the gadget of operator response, a pseudo-random sequence generator (PSP), a key, a demultiplexer, a signal conditioning unit, the group outputs of which are connected to the corresponding inputs of the display unit , a block of AND elements, the information input of which is connected to the output of the time stamp generator, and a recording unit, a controlled switch, a switch, a signal block analysis of the end of the stage and the control unit, the first and second outputs and the first input of which are connected to the corresponding inputs and outputs of the signal conditioning unit, respectively, the third and fourth outputs - with the first and second inputs of the controlled switch, respectively, and the fifth output - with the input of the input unit response actions of the operator, the second output of which is connected to the third inputs of the signal conditioning unit and the control unit, and the third output is connected to the second input of the control unit and to the fourth input of the signaling loop at the end of the stage , the first and second inputs of which are connected to the corresponding control inputs of the demultiplexer and connected to the corresponding outputs of the switch.

the third input is connected to the input of the switch and connected to the second output of the controlled switch, and the output is connected to the fourth input of the control unit, the fifth input

which is connected to the second input of the key and connected to the first output of the controlled switch, the third input of which is connected to the second output of the PSP driver. However, this device has insufficient accuracy in determining the ability of coordinated actions of the right and left hands according to the reaction time to color (and color blinking) stimuli due to the participation in studies

5 of one hand and does not allow to show skills of fast work on keyboard devices.

The aim of the invention is to increase the accuracy of the device by the simultaneous participation of the right and left hands in determining their coordinated actions according to the reaction time to color (and color flashing) stimuli, as well as the identification of the ability to quickly work on keyboard devices.

The goal is achieved in that in a device containing a serially connected operator response input input unit, an SRP driver, a key, a demultiplexer, a signal generation unit, an AND element block, the information (first) input of which is connected to the output of the time stamp generator, and a recording unit, controlled switch, switch,

5, an indication unit, an end-stage signaling unit and a control unit, the first and second outputs and the first input of which are connected to the corresponding inputs and outputs of the signal conditioning unit, respectively, the third and fourth outputs - with the first and second inputs of the controlled switch, respectively, and the fifth output - with the input of the operator response input block, the second output of which

5 is connected to the third inputs of the signal generating unit and the unit at the control, and the third output is connected to the second input of the control unit and to the fourth input of the signaling unit at the end of the stage, the first and second

0 whose inputs are connected to the corresponding control inputs of the demultiplexer and connected to the corresponding outputs of the switch, the third input is connected to the input of the switch and connected to the second

5 to the output of the controlled switch, and the output is connected to the fourth input of the control side, the fifth input of which is connected to the main input of the key and connected to the first output of the controlled switch, the third input of which is connected to the second

the output of the PSP driver, a block of prohibition elements has been entered, the group inputs of which are connected to the outputs of the group of the signal conditioning unit, and the outputs of the group are connected to the inputs of the display unit group, and the blinking signal generation unit, the first output of which is connected to the control bypass of the block of prohibition elements the third outputs - with the corresponding control inputs of the block of AND elements, the first input - with the third output of the PSP driver, and the third inputs - with the fourth and fifth outputs of the response response input unit of the operator about.

These new features make it possible to detect sulfuric and incorrect perceptions (answers) to continuous color and flashing signals (stimuli) with the display of the reaction time of each of the hands, which makes it possible to determine the magnitude of the asymmetry - the ability of coordinated operator actions.

In FIG. 1 shows the structure of the device; in FIG. 2 is a functional diagram of a second pulse generating unit (flashing signals); in FIG. 3 is a diagram of a pulse shaper PSP; in FIG. 4 is a circuit diagram of a switch; in FIG. 5 is a diagram of a pulse distributor; in FIG. 6 is a diagram of an operator response input unit; on Fig, 7 is a diagram of a block of elements And; in FIG. 8 is a diagram of a first pulse shaping unit; in FIG. 9 is a diagram of a signaling unit (ends of a stage).

A device for professional selection of operators includes a pulse shaper 1, key 2, switch 3, control pulse distributor 4, switch 5, demultiplexer 6 (four outputs), operator response input block 7, first pulse shaping block 8, indication block 9, block 10 AND elements, a time stamp generator 11, a recording unit 12, an alarm unit 13, a prohibition element unit 14, and a second pulse generating unit (blinking signals) 15.

Block 15 contains a pulse generator 16 (the repetition rate can vary from 5 to 25 pulses per second), the first, second and third inhibit elements 17, 18 and 19, the first, second and third elements And 20, 21 and 22 and the first and second elements OR 23 and 24.

Shaper 1 includes an Oscillator 25 (5-bit), an inhibit element 26, and a clock generator 27.

The switch 3 has a T-trigger 28. the first, second and third elements And 29, 30 and 31, the inverter 32 and the element OR 33.

The distributor 4 contains a shaper 34 of single (short) impulses, an R-trigger 35, a counter 36 (with a preset), the first, second, third and fourth elements 1/1 37, 38, 39 and 40, the first and second elements 41 and 42 delays first

0 and second elements OR 43 and 44.

Block 7 includes the first and second key-buttons 45- right, 46-left (without an arrester, with two switching outputs), R-trigger ery 47, the first, second and

5 third OR 48, 49 and 50, signal LED 51 Ready.

Block 10 contains the first, second and third groups of elements And 52i-52, 53i-534, 541-54.

0 Block 8 includes a group of counters 55i55 .1, a group of OR elements 56i-56}, a group of elements AND 57i-57-i, a group of R-triggers 58i-58 / i, and an OR element 59.

Block 13 has a three-input element And

5 60, R-trigger 61, OR element 62 and indicator 63 (sound or light).

Block 9 consists of indicators 9) -94, respectively, red, yellow, green and blue.

0 Block 12 consists of counters 121-124

accounting for reaction time (by colors), counters 125-128 correct and counters 12g-12i2 of incorrect answers (by colors).

Research (simulator) includes two

5 stages; the first stage - the right hand indicates a constant signal, the left hand - a flashing signal; the second stage is the opposite.

The device operates as follows.

0 Turn on the power. The trigger 28 is set to the first position - at the first output, the unit potential, the trigger 35 - to the zero position. A unit is written into the register of switch 5, providing a unit and zero potential appearing on its first and second outputs, which are applied to the corresponding control inputs of demultiplexer 6 and block 13.

0 Zero potential from trigger output

47 is supplied to the control input of element 26. Clock pulses from the output of generator 27 are supplied through element 26 to the input of generator 25 and the information input of key 2.

When a single impulse appears at the first output of the generator 25, the last, through the And 9 element, to the second input of which a unit potential is supplied from the first output of the trigger 2B, and the OR 33 element is supplied to the control input of the key 2, and is also applied to the input of the driver 34 .

Pulses of the SRP from the output of the generator 25 are supplied to the control inputs of the elements And 20, 21 and 22 and the elements 17 and 18 of the ban.

Let a single pulse from the first output of the generator 25 (the second output of the driver 1) consist of one unit 1, then at the output of the key 2 there will be one clock pulse, which is fed to the information input of the demultiplexer 6. At the first output of the demultiplexer 6 there is a pulse. which arrives at the input of the counter 55i, providing the appearance of a unit potential at its first output. The unit potential from the first output of counter 55i through the OR element 56i is applied to the first input of the AND element 57i.

The trailing edge of the pulse from the output of the OR element 33 causes a short pulse to appear at the output of the driver 34, which arrives at the input of the element 41 and the first inputs of the elements And 37 and 38, but does not go further, since zero potentials from the outputs of the trigger are applied to the second inputs of the latter 35 and element And 38, respectively.

The delayed pulse from the output of the element 41 is supplied to the zeroing inputs of the counters 55, returning them to their original position.

When a single pulse of five units 11111 appears at the output of the generator 25 (the first output of the driver 1), the unit potential appears through the fifth output of the counter 55i, which, through the OR element 59 and the And 38 element, at the second input there is a unit potential with the output of block 7 is applied to the second inputs of the AND 39 and OR 44 elements. The pulse from the output of the OR 44 element goes to the S-input of the trigger 47, transferring it to a single position. A single potential from the output of the trigger 47 goes to the control input of the element 26, blocking its output - the supply of clock pulses and SRP to the inputs of the key 2 is stopped. The LED 51 lights up. Readiness, alert the operator of the readiness of the device to present light signals (irritants).

 A short pulse from the output of the driver 34 through the first input of the AND 39 element and the OR element 43 is fed to the counting input of the meter 36, fixing the first pulse (presentation of the first stimulus).

The test subject (trainee) presses the key keys 45 and 46 with the fingers of his right and left hands. Zero potential from the second output

Buttons 45 and 46 through the OR element 48 are supplied to the R-inputs of the triggers 58, preparing the circuit for the latter to operate at the S-input. Zero potential from the second output of button 45 (fourth output of block 7) is supplied to the information inputs of the elements 17 of the prohibition and And 20, and zero potential from the second output of button 46 (fifth output of block 7) is sent to the information

0 inputs of prohibition elements 18 and AND 21 and to the control input of prohibition element 19. Single pulses from the first outputs of the buttons 45 and 46 come through the elements OR 49 and 50 to the R-input of the trigger 47, translate it

5 to the zero position, and through the second output of block 7 to the S-input of trigger 35, transferring the latter and feeding a unit potential from its output to the second input of AND 37, i.e. prepares the chain to go through

0 a short pulse from the output of the driver 34 to the counting input of the counter 36. The zero potential from the output of the trigger 47 unlocks the element 26 of the driver 1 and extinguishes the LED 51.

5 Clock pulses from the output of the element 26 are fed to the input of the key 2 and provides the SRP from the first output of the generator 25 (the first output of the driver 1) to the key 2 and the input of the driver 34 of block 4, and

0 from the second output of the generator 25 (the third output of the driver 1) - to the control inputs of the prohibition elements 17 and 18 and the elements And 20, 21 and 22.

A single pulse of the SRP, for example, from

5 of two units 11, applied to the control input of key 2, provides the appearance of two clock pulses at its output, which, one after the other, arrive at the information input of demultiplexer 6. So

0, as the unit and zero potentials from the outputs of the switch 5 are applied to the first and second inputs of the demultiplexer 6, then two pulses appear one after the other on its first output,

5 which enter the counting input of the counter 55i, providing the appearance on its second

input unit potential. Unit

potential from the second output of the 55i counter

through the OR element 562 is applied to

0 to the first input of AND 572.

If the second output of the generator 26 (the third output of the driver 1) currently has zero potential, then from the output of the element And 22 of the block 15 to the control 5 inputs of the elements of the inhibit block 14 receives a zero potential, i.e. a circuit has been prepared for continuous illumination of the indicator on block 9, since pulses from the output of the generator 16 through the And 22 element do not pass.

If there is a unit potential at the second output of the generator 26, then the pulses from the output of the generator 16 through the inhibit element 19 and the element 1/1 22 of the block 15 are fed to the control inputs of the inhibit element of the block 14, having prepared a circuit for passing pulses, i.e. when a single potential arrives from the output of trigger 58 of block 8 to the information input of the inhibit element of block 14, zero potentials (between pulses) from the output of generator 16 of block 15 provide a blinking glow of the indicator of block 9.

The predetermined front of a single pulse 11 of the SRP causes a short pulse to appear at the output of the driver 34, which is transmitted to the input of the element 41 and through the element And 37 to the second inputs of the elements And 57 of block 8 and on. the input of the OR element 43, The pulse from the output of the OR element 43 enters the counting input of the counter 36, fixing the receipt of the second pulse.

Since a unit potential is applied to the first input of the AND 572 element from the output of the OR element 562, a pulse appears at its output, which enters the S-input of trigger 582, transferring it to the single state. The unit potential from the output of flip-flop 58a goes to the corresponding input of block 10 of AND elements, ensuring the passage of time stamps from the output of generator 11 to the input of the counter 12t and through the blocking element of block 14 to the input of indicator 92, illuminating the latter.

The delayed pulse from the output of the element 41 of block 4 returns the counter 55i of block 8 to its original position.

The operator, seeing the glow of the indicator 92 (yellow signal), perceived by him without blinking, releases, and then immediately presses the button 45 of block 7 (right hand).

When you release the button 45, a single pulse from the output of the OR element 48 of the block 7 is supplied to the R-inputs of the triggers 58 of the block 8, moving them to the zero position. The pulse from the fourth output of block 7 is applied to the information inputs of elements 17 and I20. Since the potential input of element 17 is supplied to the control input from the third output of driver 1, the pulse from its output through element And 532 of block 10, to the other input of which a single potential is applied from the output of trigger 582 of block 8, it passes to the counting input of counter 12o of block 12, fixing the correct answer.

The supply of time stamps from the output of the generator 11 about the counter 122 is stopped, the indicator 92 goes out.

If the signal on the indicator of block 9 was blinking, and the operator released the button 45,

then the pulse from the fourth output of block 7 receives the elements And 20 and OR 24 of block 15 to the third input of block 10 - the input of the element And 542, the pulse from the output of which comes

in block 12, fixing in the counter 12 the wrong answer.

When the button 45 is pressed, the unit potential is removed from the R-inputs of the triggers 58 and the presence of the unit potential at the S- and R-inputs of the triggers 35 and 47, respectively, is confirmed.

The left hand continues to press button 46.

The next unit impulse of the SRP,

5, for example, three units 111 (from the first output of the driver 1), the 9c indicator lights up - a green signal, etc.

If the operator reproduces the signal in the form of flashes (unit potential is generated at the third output), then releases and then presses button 46 of block 7 (left hand).

When the button 46 is released, a single impulse from its second output through the element

5 OR 48 goes to the R-inputs of the triggers 58 of block 8, translates them to the zero position, and to the information inputs of the prohibition elements 18, AND 21 and the control input of the prohibition element 19. Since at the control inputs

Since there are 1 potential element 18 and AND 21, the pulse from the output of AND element 21 passes through the OR element 23 to the input of block 12, fixing the correct answer in the corresponding counter.

5 If the irritant signal on the indicator of unit 9 is incorrect, and the operator reproduces it as blinking, i.e. released the button 46 of block 7, then a single impulse from its second output through the element

0 OR 48 passes to the input of element 18, to the control input of which a zero potential is applied. The pulse from the output of element 18 through the OR element 24 is fed to the inputs of the And 54 elements. The pulse from the output of the corresponding And 54 element is fed to the input of block 12, fixing the wrong answer in the corresponding counter.

The arrival of the eighth pulse at the input of the counter 36 causes the appearance on its

0 the output of a single pulse, which through the AND 40 element, which has a unit potential at the first input from the output of the OR element 43, enters the input of the delay element 42 and the input of the trigger 28, translate it

5 to the second position. The next SRP pulse arrives at the input of the key 2 inverted, as it passes through the inverter 32.

The delayed pulse from the output of element 42 is fed to the zeroing input

counter 36, returning it to its original state.

When the eighth pulse of the inverted sequence arrives at the input of the counter 36, the pulse from its output throws the T-trigger 28 to the first position, i.e. transfers the device to the second cycle, providing direct PSP to the input of key 2, and the delayed pulse from the output of element 42 returns the counter 36 to its initial position through element And 31, enters the input of switch 5, moving the unit in its register to the second output. Zero potentials are applied to the first and second control inputs of the demultiplexer 6, providing the appearance of information pulses at its second output.

In the following cycles, the operation of the device occurs as described above.

Four cycles constitute a stage, with the sum of randomly presented stimuli for each color being the same in the number of presentations and conditions.

In the fourth cycle to the first and second inputs of the element And 60 applied unit potentials from the outputs of the switch 5.

At the end of the fourth cycle, the pulse from the output of element I / 31 through element And 60 enters the R-input of trigger §1, transferring it to the single position. The unit potential from the output of the trigger 61 includes an indicator 63 of the end of the stage and through the OR element 44 enters the S-input of the trigger 47.

The operator, seeing the glow of the indicator 63, releasing the button corresponding to the presented stimulus, for example 46, does not press it again and releases the button 45. The trigger 47 switches to the single state. A single potential from the output of the trigger 47 goes to the control input of the element 26 of the shaper 1, blocking the passage of clock pulses from the output of the generator 27, and the LED 51 Ready lights up. The operator takes the readings from the counters of block 12 and proceeds to the second stage, in which the right hand responds to flashing signals, and the left responds to constants.

Continuation of the training (tests) is carried out by pressing the buttons 45 and 46 simultaneously.

At the end of the second stage, readings from the counters of block 12 are also taken, compared with the readings (results) of the first stage, and the conclusion is made about the presence (absence) of asymmetry, the speed of the selection reaction for color irritants.

For further research, if necessary, increase or

reduce the flashing frequency by changing the position of the switch on the generator 16.

Claims (1)

The use of inventive in devices for psychophysiological research and professional selection in comparison with the prototype increases the accuracy of the devices and the objectivity of evaluating the results when determining the subjects' ability to quickly work on keyboard devices, as it determines the coordinated action of the operators according to the reaction time of each hand by detecting the magnitude of the asymmetry in case of accidental presentation of stimuli under the same conditions for their actions, while taking into account the color of the signals and their flashing influence perception. If necessary, the blinking frequency of the stimulus can be either reduced or increased in the range from 5 to 25 flickers per second, which makes it possible to reveal the dependence of the reaction time on the flicker frequency for each color signal. SUMMARY OF THE INVENTION A device for professional selection of operators, comprising a block of AND elements, the first input of which is connected to the output of the generator, the inputs of the group with the corresponding outputs of the first block of pulse formation, and the outputs with the corresponding inputs of the group of the recording block, pulse distributor, first and second outputs and the first input of which is connected to the corresponding inputs and outputs of the first pulse shaping unit, respectively, the third and fourth outputs switch with the first and second inputs l, respectively, and the fifth output - with the first input of the response response input unit of the actuator, the first output of which is connected to the second input of the pulse distributor and to the third input of the first pulse forming unit, and the second output - to the third input of the pulse distributor and the first input of the signaling unit, the second and third inputs of which are connected respectively with the first and second inputs of the demultiplexer and with the first and second outputs of the switch, the fourth input is connected to the first input of the switch and to the first output of the switch tel, and the output is to the fourth input of the pulse distributor, the fifth input of which is connected to the control input of the switch and the second output of the switch, the third input of which is connected to the first output of the pulse shaper, the input of which is connected to the third output of the operator response input block and the second output is to the information input of the key, the outputs of the demultiplexer are connected to the corresponding inputs of the group of the first pulse shaping unit, and the third input is connected to the output of the key, and an indication unit, characterized in that, for the purpose Accelerating precision device of block elements has been entered prohibition information inputs which are connected to respective outputs of the first signal generating unit and respective inputs outputs -c display unit and a second pulse generating unit, whose output is connected to the first FIG. g 1 y 2 Fig 4 the control input of the block of prohibition elements, the second and third outputs with the corresponding inputs of the block of elements I. the first input is with the third output of the pulse shaper, and the second and third inputs are with the fourth and fifth outputs of the input block of the response of the operator, respectively, the input of the registration unit, the second inputs of the switch and the operator response water unit, the fourth input of the switch, the fifth input of the signaling unit and the sixth input of the pulse distributor are the clock input of the device. Fig.Z Figure 5 2f w 1/6 h 5 + T L fifty - 5/ 71 $ No.. & w g Phig. 7 h .z jT .4G 5 in | Jl 6/1 3 7 -g R