SU1259487A1 - Shift-to-residual class system code converter - Google Patents

Abstract

The invention relates to the field of computer technology and can be used, for example, for input into an EV11 functioning in the system of residual classes of information represented by movement. The aim of the invention is to increase the accuracy of the converter. To do this, the correction blocks and the counter are entered into the displacement transducer into the code of the residual class system containing the code scale, reading elements, switches, adders, and adders are modular with the greatest base. The goal is achieved by performing the code track pattern in the i-M channel i 1, n-1 according to the rule .p; / p, where /) ",. R; - the values of the n-th and i-ro bases, respectively, N - the numerical value of the reference, the processing of codes in the adders and the correction of the results obtained, excluding conversion errors. 1 hp f-ly, 3 ill. i (Л С

Description

one

The invention relates to computing and can be used, for example, to enter information, represented by a movement, into a computer operating in a system of residual classes (JUICE).

The aim of the invention is to increase the accuracy of the converter.

FIG. 1 is a functional, transducer-to-code diagram of the residual class system in FIG. 2 is a diagram of a correction unit, an embodiment; Fig. 3, the differentiation unit ma, an embodiment.

The converter contains a code scale 1, matching elements 2 on the senior base p, reading elements 3 on the i-My base, commutators 4 and 5, adders b, i I, n-1 "correction block 7, counter 8, output bus 9 Residual on the older base, tire 10, removal of the remainder on the i-th base, bus 11 for supplying clock pulses, as well as input busbars 12 and 13 of correction block 7.

Correction block 7 contains encoder 14, adder 15 (modulo p)., Differentiation block 16, register 1 and compare block 18, block i-ro code set reference block 19, input 20 and spin code 21 of differentiation block 16. The differentiation unit 16 comprises delay elements 22, modulo 23 adders 23 and the element OR 24,

In the displacement transducer in the code of the system of residual classes on the code scale I, there is a pattern corresponding to the remainder (xin on the largest base p in the binary code, on channel i 1, n-1, the code track is drawn according to the rule

lK / №lp / n / k.

Reading elements 2 and 3 in the nth and iM channels, respectively, corresponding to the lower bits, are connected to the control inputs of switches 4 and 5, the KOTOjpbJX inputs are connected to the outputs of the reading elements and 3, respectively, arranged by the double brush method, elements 2 are located at a distance of t 0.5 U, where U is the discretization step, relative to the lower reading element 2 and 3, and the rest of the matching elements 2 and 3, respectively, at the distance iO, 5 Р; D

ten

IS

20 -

The output of switch 4 is the output bus 9 of the remainder c) „and is connected in the iM channel to the first input of the adder 6.1 modulo fn which can be performed in any known manner, the second input of the adder 6.1 is connected to the output of the switch 5.1, and the output is connected to the first input of block 7, i of correction, the second input of which is connected to the output of counter 8 (modulo three), to the input of which clock pulses are fed through bus 11, and the output is bus 10 through which the remainder o is removed (,

In block 7.1 correction input 12 is connected to the input of the encoder 14, which converts the input code according to the rule

input code output code

ABOUT

Pn. - G

R:

-

The output of the encoder 14 is connected to the first input of the adder 15 (modulo |), the second input of which is connected to bus 13, the output is connected to the inputs of comparison unit 18, register 17 and differentiation unit 16, the output of which is connected to control input of block 18, output which is connected to the control input of the register 17, the outputs of which are the output buses of the converter.

The displacement transducer to the residual class system code works as follows.

The number L in the system of residual classes at the base of m p,, p ,,, ,, / 7 ", (p,, p) 1, 1 1, n is represented by the set of residues a ;, o1 ,,.

And

 rtrl P

+ c;

(ABOUT

Since it is necessary that for any (/; A be the same, it is true

From (2) we find o /, we give an expression modulo RP

 - / "- SR / R.

When the condition 2 O; s p

Any error in the calculation

A. i I / J

31259487

@ 1 1 is detected by calculation (3), i.e. in these cases, the erroneously calculated value of oi; is always

 Ch + cfl GA

The absolute error of the CP, (--- r- t 5 L (J L PiJ

± (lw for these cases can be quite large and its upper bound is within tf P; 2p; -1 depending on the value. Q

If (2k + l) P; “P where k is the multiplicity of error j), then this error uniquely displays of; in the range of P; eS; p, i.e. coins be corrected by performing oi; 1 ko; R; .

Thus, the calculation procedure is combined with the error detection and correction procedure.

The digital code counted by elements 2, corresponding to the remainder (X 2o at the largest base p „, is fed to the inputs of switch 4, the value at the output of the matching element 2 of the lower order determines which group of inputs of the Readings 25

Copies 2 retarded or advanced are connected to the output bus 9. Thereby, read ambiguity is eliminated.

A similar operation occurs in all remaining channels. Values

 p I / RP - Wpi / pn is fed to the inputs of the adder 6.1, from the outputs of which the value of оС is taken; which through the bus 13 is fed to the input of the block 7 correction.

In block 7.1 of the correction, codes O, are formed at the output of the encoder 14, the sequence of which is irrelevant, as a result of which the values of L are generated at the output of the adder 15; ,

 P / Rp l fpn code changes at the outputs of summation

15 at the outputs of the differentiation unit 16 according to the rotation pulse with a duration determined by the delay time of the delay element 22, which, for the duration of the transient processes, will prohibit the output of the comparison result by the comparison unit 18. When calculated value: P; i.e. - the correct value, then at the output of block 18 a permissive pulse appears, which will write the correct value into register 17.

The speed of electronic components

thirty

35

40

45

50

55

The speed of movement of the code scale allows to form the correct output result in real time.

Claims (2)

1. Motion transducer code of the system of residual classes, containing n channels, where n is the number of residuals in the selected system, the residual classes, the code scale, read elements located in each to the field relative to the bit roads of the code scale according to the double-stitch method, n switches, one in the channel, the outputs of the matching elements of each channel, except for the count of the low-order element, are connected to the corresponding input of the switch, the control input of which is connected to the outputs of the low-level reading element, -1 adders one in each channel except the first, the outputs of the switch of the first channel and the low-order first element matching element are the output of the remainder on the larger base of the converter, characterized in that, in order to improve accuracy, n-1 is entered into it correction blocks, counters, adders are modular in modulus of the largest base, and the code track pattern in the iM channel, where i  1, p-1, is made for . where RP, p; - values of the n-th and 1-st innovations, respectively; N is the numerical value of the reference, the outputs of the switch and the counting element of the lower bit in each channel are connected to the first group of inputs of the adder in the channel, the second group of inputs of which is connected to the output of the remainder according to the largest base, and the outputs are connected to the first group of inputs of the corresponding correction unit, the outputs of which are residual outputs on the corresponding converter base, and the second group of inputs is connected to the meter stroke, whose input is the synchronization input of the converter. 2. Converter according to claim. 1, о t devices that are much larger than the unit The speed of movement of the code scale I makes it possible to form the correct output in real time. Invention Formula Q about 5 0 five 0 five five 1. The displacement transducer to the code of the system of residual classes, containing n channels, where n is the number of bases in the selected system of residual classes, a code scale, reading elements located in each channel relative to the discharge paths of the code scale by the double brush method, n switches one by one in the channel, the outputs of the matching elements in each channel, except for the low-order reading element, are connected to the corresponding inputs of the switch, the control input of which is connected to the outputs of the reading element This junior bit, n-1 adders one in each channel except the first, the outputs of the first channel switch and the lower-order matching element of the first channel are the output of the remainder of the largest base of the converter, characterized in that it contains n-1 correction blocks, a counter, adders are made modular by the modulus of the largest base, and a code track pattern in the iM channel, where i  1, p-1, is made according to the Act / SR /; . where RP, p; - the values of the n-th and 1st bases, respectively; N is the numerical value of the reference, the switch outputs and the counting element of the lower bit in each channel are connected to the first group of inputs of the adder in the channel, the second group of inputs of which is connected to the output of the rest of the largest base, and the outputs are connected to the first group of inputs of the corresponding correction blocks, outputs which is the output of the remainder of the corresponding base of the converter, and the second group of inputs is connected to the output of the counter, whose input is the synchronization input of the converter. 2. The converter according to claim 1, the correction comprises an adder, an encoder, a comparison unit, a differentiation unit, a code setting unit and a register, the first group of inputs of the adder is the first group of inputs of the block, the second group of inputs is connected to the encoder's outputs, the inputs of which are are the second group of inputs of the block, the outputs of the adder are connected to the first group of inputs in the block 594876 comparison, the inputs of the register and the inputs of the differentiation unit, the output of which is connected to the control input of the comparison unit, the second group of inputs of which is connected to the code setting block of the corresponding base, and the output connected to the control input of the register, the outputs of which are outputs block. 20.1 go t FGG.G  gdd ± hch T 21 figure 3 Compiled by L. Sidorenko Editor L. Gratillo Tehred L. Serdyukova, Proofreader O. Lugova --------- ..-, Order 5139/58 Circulation 816 Subscribers VNINPI USSR State Committee for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5 Production and printing company, Uzhgorod, st. Design, 4.