SU643842A1 - Parameter tolerance checking device - Google Patents

Description

(54) DEVICE FOR ADMISSION OF THE CONTROL OF PARAMETERS

one

The invention relates to instrumentation technology and can be used to control discrete devices, in particular electronic computers.

Most known devices are for admission (these controls are constructed using either arithmetic gs or analog 2j nodes. This complicates the devices and reduces their reliability.

The closest in technical essence to the present invention is a device for admission (parameter control, containing a control unit, the outputs of which are connected to the inputs of the input switch and through the output switch to the inputs of the display unit h.

A disadvantage of this device is its complexity and low reliability.

The purpose of the invention is to simplify the device and increase its reliability by the fact that the device contains pulse shapers, AND elements, inverter, triggers and decoders, the outputs of the control unit are connected to the inputs of the first trigger, whose single output is connected to the first input of the first element, and the second INPUT through the first pulse shaper a connected to the input of the inverter and the output of the input switch, the zero output of the first trigger through the second pulse shaper

connected to the first input of the second element And, the second input and output of which are connected respectively to the output of the inverter and to the single input of the second trigger, the zero input of which is zero

the input of the third trigger is connected to the output of the block (control, the first inputs of the first and second decoders are connected to the zero output of the third trigger, the second inputs of the first and second

the decoders are connected respectively to the unit and zero outputs of the second trigger, the unit input of the third trigger is connected to the output

The first element is And, and the single output of the third trigger and the outputs of the descramblers are connected to the inputs of the output switch.

Figure 1 presents the block diagram5

proposed device; in fig. 2 - belt diagrams of operation of the device, corresponding to different conditions of control (in the admission, less dusk, more admission).

The bl {w-circuit (see Fig. 1) includes a control unit 1, a source of monitored parameters 2, an input switch 3, a first trigger 4, an inverter 5, a first 6 and a second 7 pulse shaper, a first 8 and the second 9 elements are And, the third is 10, and the second is 11 triggers, the first is 12 and the second is 13 decoders, logical processing unit 14, output switch 15 and block 20

display 16.

FIG. 2 marked the lower limit of the floor tolerance - 17; the upper limit of the floor tolerance - 18; single trigger output 4 - 19; zero output trigger 25-2O; the output of the input switch 21; inverter output 5-22; the output of the first pulse shaper 623; the output element And 8 - 24; single to zero trigger outputs 10–25, 30 26; output of the fmm pulse 7-27; output element And 9-28; single and zero trigger outputs 11-, 29, 30; the outputs of the decoders 12 and 13-31, 32; T, to -control parametre.35

The device (see Fig. 1) works as follows. The control unit 1 is in tact, controlling the 1st parameter {generates the yn-i equilibrium signals by which the input 0 switch 3 connects from the source of monitored parameters 2 to the input of the logic processing unit 14 the controlled I -th parameter, and the output switch 15 connects45

the corresponding memory cells of bloss 16 to indicate the results of monitoring a 1 - parameter. At the beginning of each control cycle, the control unit 1 outputs a control signal that sets the triggers 10 and 11 to the initial (zero) state. Then the control unit 1 outputs signals in the form of time intervals, characterizing the beginning and end of the tolerance field, one-55

the main and zero inputs of the trigger 4. At its outputs, polarized signals are formed in the form of time intervals.

the duration of which is proporional.n | a field, tolerance.

The time interval from the unit output of the trigger 4 is supplied for comparison with the monitored parameter to one of the inputs of the element 8. The second input of the element 8 comes a short pulse of the end of the parameter from the generator 6, to which the input parameter 3 receives the time | Interval of the monitored parameter the interval of the monitored parameter through the inverter 5 is supplied for comparison with the upper limit of the tolerance field on one of the inputs (Ж of the element И 9. To the second input of the element И 9 from the zero output of the trigger 4) Without the shaper 7, the upper limit margin of the tolerance field comes in. Element I 8 compares the temporal position of the trigger field with a short pulse (the tone of the parameter.) If a short pulse of the parameter is pressed, the interval is proportional to the output signal A short pulse arrives at the output of element 8. It arrives at the single input of the trigger 16 and sets it to a single state. With aTWvi Hia and the output of the trigger 10, a positive signal is generated in the tolerance (see FIG. 2a), which arrives at the corresponding cell of the display unit 16 through an input mutator 15. The signals are not in a dash (higher datus, less tolerance), are proxied to the inputs of the decoders 12 and 13 associated with the zero output of trigger 10.

In the event that a short end pulse: the parameter being monitored does not fall into a time interval proportional to the tolerance time, the signal at the output of the And 8 element is absent, and the trigger 10 remains in the zero state.

In this case, at the single output of the trigger 1O, the signal in the tolerance is also absent.

Claims (1)

At the same time, the AND 9 element occurs comparing the position of the controlled napaivreTpa with the upper margin of the tolerance represented by a short pulse. If the monitored parameter coincides with or exceeds the upper limit of the tolerance field, then a short impulse appears at the output of element AND 9, which sets 56 trigger 11 to one state. In this case, two cases are possible. In the first case, the monitored parameter coincides with the upper limit of the tolerance floor. At the same time, the output signals from trigger 11, coming to the first inputs of de-rattor 12 and 13, are blocked on the second inputs by a signal taken from the zero output of the trigger 10. Signals from the decoder 12 and 13 do not receive more tolerance or less tolerance to the output switch. In the second case, if the monitored parameter is outside the tolerance field (the trigger 10 is in the zero state, the decoders 12 and 13 are opened by a signal that is not in the tolerance from the zero output of the trigger 10. In this case, the signal removed from the single output of the trigger 11, goes to volts (th input is cheap (a 12, a signal is formed on the gateway that is greater than the tolerance that arrives at the display unit 16 through the output switch 15. Signal is zero) The output of the trigger 11 closes the gateway Fatsf 13, which forms the sipnal less than the tolerance (see Fig. 2 in the graph 26 ). If controlled parameter is If it is above the threshold (see Fig. 26), then the 1O and 11 trigger remain in the zero state, while there are no signals at their single outputs, and from the zero output to the decoder 13. I receive positive signals. At the output of the decoder 13 one call is generated the signal is less than the signal input through the output switch 15 for the corresponding cell of the unit 16. After (parameter control f, parameter control unit 1 generates a control cycle for the next parameter, and the device operates according to the tolerance control of the next parameter. The use of the proposed device for tolerance control provides, in comparison with existing devices, the following advantages: - less elements used in the device. Thus, to build a device {comparison with the 1-razngdns grid, the prototype computer has triggers 16 times more than 2 times, and there are several times more logic elements than others; - an increase in the reliability of the device and a decrease in its cost due to a decrease in the number of connections and elements. Claim device for allowing control of a parameter containing a control flare, the outputs of which are connected to the inputs of the input switch and through the output switch with the inputs of the display unit, characterized in that, in order to simplify and increase the reliability of the device, it contains pulse formers, components AND, inventory , triggers and decoders, the outputs of the control unit are connected to the inputs of the first trigger, the single terminal of the cottage is connected to the first input of the first building element I, the second input of the cot through the form The pulse generator is connected to the input of the inverter and to the output (I "(input to (switch, zero output of the first TRGger through the second pulse shaper connected to the input of the second element, And second (I) and the output of which are connected cooTBOTCi eHHD to the slot of the inverter It is single the input of the second t | shnger, zero input sot4) poro and zero-mx of the third flip-flop are connected to the output of the control unit, the inputs of the first in volts (the second controller is connected to the zero output of the third flip-flop, the second inputs of the first n ВТ1 peto (connected e; seam and zero outputs of the second t | The tera, the single input of the third trigger is connected to the output of the first element. And the single third trigger of the third trgger and the outputs of Deshifrats c® are connected to the inputs of the output, to (input per meter, taken into account during the examination :, 1. USSR author's certificate Mg 310246, 606 F 7/00, 1968. 2, Automatic control of radio electronic equipment and electrical equipment. Rev. V. M. Shlndin 1, Energn, 1972, p. 87 3. USSR Author's Certificate No. 363982, Cl G06 F 15/46, 1971.