SU674037A1 - Device for forming diagnosing nucleus in self-diagnosing systems - Google Patents

Description

can be anything, regardless of the state of the block being tested. Let there be a chain of blocks mutually checking each other apyra: UiUt Ui;. (No. Here l / i, Uj. Means: block J. checks the block Щ. This chain corresponds to a binary word, dj.k CI The known device uses the fact that N is the number of blocks in the system and M -1 is the maximum allowable number of faulty blocks, then the value of t is a word of the type 00 ... O corresponds to: - all t blocks are healthy, or all t blocks are faulty if ( the state of the blocks is either YY.:., and, or HH ... H)} -all t blocks are OK with (with the blocks of AI ... AND) .w - / ;.;.-; Basically, on the construction of a chain of (if-tl) block with the binary word CO ... B. HajparnHBaef with a single chain with one block based on a positive checklist (kt-O-rp block (k -0.1, ...,). At the & rm step, the source block is selected correctly, at step E (+). The 1st block checks the value at the zero step L | vcco to see that for the number t in the chain ( equal to t 6-f 1: 1) the word О О ... О means that all the blips are HcnpaiBifibi. {the state of the block is AI ... i) and 2) the words of the OO ... ... means that the R is at least healthy connected at step E, a is a block selected to zero The second step is faulty (the state of bkrkrv type HH i .. NII ... And, where the number of healthy blocks is not less than 1). In the first c; beam, the diagnostic draw consists of a (+1) block. In the case of a rim, the Eur consists of one unit. The drawback of the iVAnHyStepStey is that the formation of the diagnostic kernel is carried out without taking into account the information on the status of the tested block. As a result, the total number of tests required for an diagnostic diagnostic virus can be significant {m. In fact, let zero-t syndrome be formed from t +4 blocks. Syndrome buildup on one Element is dried by checking the last of the blocks of the chain of the connected block. A narashiyshroma is possible only if npoeiepka has given the value O. If the test is dasg 1, the parrot of switching on the block in the core with and is unsuccessful and must be repeated by some other block. In the limiting case, it may be necessary to check all the free blocks. The purpose of the invention is to reduce the time of formation of the diagnostic core, i.e. increase the speed of the device. To this end, it is proposed to select the next checked block, taking into account the probability of its serviceability. This probability is a monocoque of & 1 your function of time. It assumes the maximum value at the time of the completion of the diagnostics of the systems or after the elimination of the malfunction. and the minimum is after the time between failures. The character of change jf allows to use instead of the value of p the value T of the operation time of the block P of the moment of completion of the previous check (recovery) of this block. In this case, a large priority n () and inclusion in the syndrome is assigned to blocks with a lower value of f. The goal is achieved by introducing a time counter into the device, two AEements AND and a minghog code number allocation unit, the first input is connected to the third input of the device, and the output to the first input of the AND element, the output and the second input are connected with one of the inputs of the OR element and with the fourth input of the device, clocking inputs of the device to the second input to the second input of the allocation block of the minimum code number and the first input of the time counter, the second input of which is connected to the first input dy device time out counter and the sixth input devices are connected to the inputs of the third member I. As a result, at each step as the selected controlled Blo) to the number of not included in syndrome, jr whom / C minimum. Depending on the result of the check, the control unit or the new controlled one also takes into account the value C (negative control result; or transfers the control functions to the supervised one (positive test result). And he, in turn, checks the next one, etc. In the last step of the formation of the syndrome, the control chain is closed. The block in the chain that was the first controlling becomes the last control 1 m. For simplicity, it is assumed that the connections between the blocks (machines) are realized by pu full

count. Device can be used for System with any kind of communications. The functional diagram of the device is shown in the drawing.

A system with a self-dual 5 nosgik is considered, compiled from a (ii + i) block. For concreteness, a device is associated with (P +1) the functional block of the System. Each of the blocks of the system has such a device in its composition, the device contains a switch 1, information & 1 channel 2, ..., 2g}, communication with P system blocks, compression with (and + 1) -th system block 214-1, The block is selected: and the minimum code is 3, the time counter is 4, the element is OR 5, the second is 6, the first is 7, and the third is 8, AND, and a quarter to 9H, the device accepts time parameter codes from the system blocks, 10 time napaMeifpia (AND f 4-1) block and the fourth 11, 12, fifth 13, sixth 14, second 15 and measure 16, 17, the power of the device, the designated days of receiving signals The continuation of the formation of the core EHBD 11, the end of the formation of the core - in the 12, isp) of equality (H +1) -th blink -: 1 input 13, the return (AND-tl) -th brszha to the KOHTJPP circuit: l - input 14 and the numbers of the first block of the lock - input 15. Inputs 11-17 of the ycipoficrBia are connected to the output (ft-fl) - hb blocks of the system. . . ., /:; - :: - -. ..; ...: ./ The device works as follows. : ... G -,. У ---; . Via information channels, the 2nd device, numbered (st + 1), through switch 1 is connected to the () channels of the remaining AND blocks of the system. These cannulas are used to transmit the entire tool to form a diagnostic tool (information information, such as working information, such as control lines, 1). The control information can be attributed to the control result, the number of machines entered into the current time points. control, the length of the chain kontremsha, the number of the first machine in the chain Control, Consider the k-th step of the device operation "Let us have the HsJt.E blocks syndrome. Determining the number of the next monitored block from the composition, the rest of the system blocks that are not included in the control circuit, performed by block 3, which receives and processes the values of the time parameter codes (t) from the AND blocks of the system.

Usgroyva is carried out at the input 17, the number of the block that issued the minimum K, through the element 6 is perceived by the switch 1, and determines the connection (l +1) -th controlling and selected (osh from n) controlled by the blocks. The value C for each of the blocks of the system is determined by its state:: a counter 4 times, the discharge of which is made at the time of termination of the forming syndrome, moreover, if (n- | -1). . In this c1 ae; at input 13 to c1, there is a single potential. At the input, 16, the summation of the counter 4 enters the mg signals of the clock. To snooze the Multiple Podshedshev & e of the same block in tsetz, the output from the 1st block 4 valves Eg with a signal from the input of the signs of the block not being (I-1) in the control circuit, the result of this step is xctrol transmitted to (ps-1 block channel 2 is interpreted by these blocks as “FULL (O –O), vla as negative (). In the ne {case, the formation of a chain of control lxb blzhaetsa, i.e. controlled BLVG stvvtstsy kofmgatruyuschim. MatsEt iopolzuvats: 2 |, 4. (in odnv vyfanyh kanapoB 2, y In the case of the results obtained to: s Trol KpBZfKMOoppoBfflfi block sequentially f (: p ||| vru6g: linkOf se to one of the blocks in nopHjaJEce vtrastanvv t ;. 1) -th block carries out the Q value given out to the direction in VOse. Then the device works iro of one of the branches of the algorithm according to d 1 VLV d 0. The closure of the drive is interpreted on the basis of Eoifoia form. In this case, the allocation circuit 3 is turned off by zero potential at input 11. The state of switch 1 is determined by the nejffioro number of the core block (input 15), since the input 12 has a single potential, the last result of the control dg O indicates that all chain machines Equalize The monitoring machine indicates the control chain, it has information about the numbers of all the machines in the chain. With a negative reset, (O eo 1) - the last machine is probably in good order. The controller of the machine indicates the number of this serviceable. At this cycle of operation of the device for the identification of the diagnostic core ends. formula invented and. A device for forming a diagnostics interface with a switch containing a control input through which the OR element is connected to the output of the first element AND, whose inputs are connected to the first and second inputs of the device, respectively, so that in order to improve the speed of the device, a time counter, two elements AND and a selection block of the Minimum code number, the inputs of which are connected to the third and fourth inputs of the device, and the output - to the first input of the second element, the second input and you the stroke of which is connected respectively to one of the inputs of the OR element and to the fifth input of the device, the clocking inputs of the device are connected to the IKO inputs of the time counter, the output of which and the sixth input of the device are connected to the inputs of the third element I. Information sources taken into account examination 1. US patent number 3699524, cl. .five. 1972. 2; Pceparata H.P., Metze G., ChtaiiR.T. On the conrLection. asstgmeat prob eem of the dtctgnosabge system, IEEE Transaction on E € ect. Compat.VEC-I6, N 16.1967, Dec. .owiw.n).

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