Device for the majority of the selection signals
(57) Abstract:The invention relates to automatic control and computer engineering and is intended for use in high-reliability redundant devices. The purpose of the invention is to increase the reliability issue right result. The device contains three cases, three elements of comparison, the three elements, three elements OR NOT, the majority bloc, majoritarian element, three dip switch. The essence of the invention is to increase the validity of the issuance to subscriber the right result by eliminating the influence of false alarm of failure of one of the spare blocks in the output code. If the controls of one of the redundant blocks generate a signal failure, and the unit thus generates code that matches the code of one of the other two channels, it is assumed that a fault signal has been generated incorrectly. A fault signal in this case is ignored, register this block does not translate into zero (single) condition and the code issued by the data block is taken into account when generating the output code. 2 Il. The invention relates to automatic control and computer engineering and is intended for use in high-reliability redundant is the device for the majority of the signal is selected.The disadvantage of this device is the low reliability of issuing the correct result, which is defined as follows. In the device, it is assumed that the signals of the redundant control units always give accurate information about the status of the blocks. However, be aware that the equipment diagnosis may refuse, and therefore, the control inputs may receive a "failure" signal when the corresponding block is in good condition, and Vice versa. This fact becomes even more evident if we consider that the diagnostic equipment may take up to 30% volume computing unit. In the case of forming one of the redundant blocks false "failure" signal, the subscriber may receive a false signal (code).The aim of the invention is to increase the reliability issue right result.The essence of the invention is to increase the validity of the issuance to subscriber the right result by eliminating the influence of false alarm of failure of one of the spare blocks in the output code.In other words, if the control means of one of the redundant blocks generate a signal failure, and the unit thus Siderno. A fault signal in this case is ignored, register this block does not translate into zero (single) condition and the code issued by the data block is taken into account when generating the output code.In Fig.1 shows a functional diagram of the inventive device of Fig. 2 is a functional diagram of a majority block.The device (Fig. 1) contains the first 1, second 2 and third 3 registers, the first 4, second 5 and third 6 elements of comparison, the first 7, second 8 and third 9 items And the majority element 10, the majority of the block 11, the first 12 and second 13 and third 14 elements OR NOT, information inputs 15-17, inputs 18-20 control input 21 of the synchronization information output 22, the first, second and third dip switches 23, 24, 25.The majority of the block 11 (Fig. 2) contains a switch 26, the decoder 27, a majority element 28. The information input unit 11 is connected to the inputs of the majority element 28 and to respective inputs of the switch 26. The output of the majority element 28 is connected to the input of the switch 26.Registers 1-3 are designed to receive and store information from the respective redundant blocks. The recording of information in the registers 1-3 is on the trailing edge and is 23(24, 25) is between the output element And 7(8, 9) and the input R, ward a single signal all the bits of register 1(2, 3) are set in the zero state. If the switch 23(24, 25) stands at the entrance to S, the single signal all the bits are set to one state.Items 4-6 comparison is intended to compare the codes issued by the redundant blocks to the inputs of 15-17. On item 4 comparison of the received codes with inputs 15, 16, item 5 comparison with inputs 16, 17 and element 6 comparison with inputs 15, 17. Thus, on the elements of comparison performed a pairwise comparison of the codes from all the redundant blocks. The outputs of the elements 4-6 comparison appear isolated signals in the case of coincidence of the codes. Work items 4-6 comparison is permitted only when the inputs 18-20 receives signals refusal not more than one failed redundant block.Elements And 7-9 are designed to supply control signals on the installation inputs of registers 1-3, respectively. Allowed to pass signals of failure with inputs 18-20 if the device has received two such signal, and when the device has received a signal of failure, but all the codes issued by the redundant blokada.The majority element 10 is designed to generate a zero signal when the device inputs 18-20 received two or more fault signal channels.The majority of the block 11 is designed to generate reliable code at exit 22 in accordance with the control signals received at its inputs 23, 24. Code "PA" corresponds to a majority of the processing mode signals for informational inputs. Code "10" indicates that a workable remains only the first redundant block, and therefore, its information must be output at output 22. Code "11" corresponds to the state when working only the second block, the code "01" is the third redundant block.The element OR NOT 12 is designed to generate a single signal, when three redundant units two refused and one third. The element OR NOT 13 is designed to generate a single signal in case of the three redundant units two refused and one of them first. The element OR NOT 14 is designed to generate a single signal in the case where the device from the redundant blocks are received conflicting codes.The device operates as follows.In the initial state nespravny and are in working condition. The output of majority element 10 individual signal which enables the elements 4-6 comparison. The outputs of the elements OR NOT 12, 13 also zero signals which are fed to the control inputs of the majority of the block 11. Zero code majoritarian unit 11 operates as majorityowned codes received at its data inputs.Redundant blocks provide information in the form of parallel codes on inputs 15-17. On the trailing edge of the clock input 21 these codes are recorded in the appropriate registers 1-3. In addition, they arrive at the inputs of the elements 4-6 comparison, where pairs are compared.For parallel operation of the device requires that codes for informational inputs 15-17 and control signals from the inputs 18-20 were pauses between the pulses from input 21.Failure of one of the blocks corresponding to a single signal appears on one of the inputs of 18-20. But if the device has received two of the same code, as evidenced by a single signal at the output of one of the elements 4-6 comparison, the output of the element OR NOT 14 the zero signal. This signal prevents the installation of the register of the failed channel to zero (single) value. Wrong code with the release of this Regis unit refused, and the other failed), then the output of the element OR NOT 14 single signal. This signal opens the elements And 7-9, and the control signal of the failed channel sets the corresponding register in the zero state (single). The device in this case, the output 22 generates an output signal preferred status equal to that installed at the output of the register is inoperative unit (if the switch 23(24, 25) is installed between the output element And 7 (8, 9) and input R, the outputs of the register is 1 (2, 2) are set to "0" if the switch is set with the output element And 7 (8, 9) on the S input register 7 (8, 9), its bits are set to "1"). Thus, the scheme allows to obtain at the output of either "0" or "1", i.e., the preferred value, which is less dangerous for this particular control object.When signals about the failure of any two blocks on the output of the majority element 10, you receive a zero signal, which disables the operation of the elements 4-6 comparison and opens the items OR NOT 12, 13. If it remains operational the first block, the output of the element OR NOT 12 individual signal, and the output of the element OR NOT 13 single signals. In case of failure of the second and first bastuba to the inputs 29, 30 the majority of block 11, switch its mode majorityowned mode switching on the output information signal intact block.Thus, the introduction of controls comparison allows to perceive a false signal rejection, issued by one of the redundant blocks. DEVICE FOR the MAJORITY of the SELECTION SIGNAL containing the first and second elements OR NOT, and outputs connected respectively to the first and second control inputs of the majority of the block associated first, second and third groups of information inputs with outputs respectively of the first, second and third registers, the group of information inputs of which are respectively first, second and third information input device serving to connect the information outputs of the redundant blocks, the majority element, the first, second and third inputs of which are the respective control inputs of the device serving to connect the signal outputs of the operational state of the redundant blocks, the output of the majority block is an information output device, characterized in that the device entered three elementaryage element connected with the first inputs of the first and second elements OR NOT with the enable inputs of the comparison of the first, second and third blocks of the comparison, the connected outputs are equal to the corresponding inputs of the third element OR NOT connected to the first inputs of the first, second and third elements And outputs connected to the inputs respectively of the first, second and third two-position switches, each of which is associated with the first and second outputs from the installation inputs respectively the zero and unit of the state of the corresponding register, the enable inputs of the first, second and third registers are combined and input synchronization device, the first group of information inputs of the first and third elements of comparison and United are the first information input device, the first group of information inputs of the second unit of comparison and the second group of information inputs of the first unit of comparison are combined and the second information input device, the second group of information inputs of the second and third units of comparison are combined and the third information input of the inverted inputs of the first and second elements OR NOT are respectively the third and the first entry checkpoints for important locations
SUBSTANCE: device can be used by people with paralyzed upper and lower extremities. Device has power unit electrically connected with coordinate aid, signal processing unit and transmitter with aerial. Coordinate aid has non-conductive rectangular plate, carriage being movable relatively longitudinal axis of plate, paired contact and control key fixed rigidly onto paired contact. The contact is electrically connected with signal processing unit; it is mounted onto carriage for movement of paired contact along carriage. Device is placed inside mouth cavity of a person in such a way that is turned with its control key to end of tongue. Surface of control key has relief. Surface of plate has two resistive fields. Any field is separated to equal parts by electro-conductive strip. First resistive field has at its edges electro-conductive vertical contact areas. Second resistive field has at its ends electro-conductive horizontal contact areas. All contact areas are connected with signal processing unit through conductors. Device is small-sized and convenient at exploitation.
EFFECT: improved efficiency of remote control.
4 cl, 3 dwg
FIELD: computer science.
SUBSTANCE: device contains commutation level and data processing level, commutation level is formed by computing machines for commutation, and processing level is formed by computing machines for processing. In accordance to method, one commutation computing machine periodically sends control signals to other commutation computing machine and in case of absence of control signal from this commutation computing machine during given time period, erratic functioning of this commutation computing machine is detected, after that, commutation computing machine responsible for detecting erratic functioning, starts execution of functions, normally performed by commutation computing machine, for which erratic functioning was detected.
EFFECT: realization of method and fault-tolerant computing device, which provides for detection of erratic functioning of commutating processor.
2 cl, 3 dwg
FIELD: digital transformation equipment.
SUBSTANCE: to increase reliability and interference resistance of electric motors with digital control due to increased trustworthiness of functioning of devices on RS-triggers, in a redundant RS-trigger, containing parallel channels from 1 to i, RS-trigger of channel i contains two inverters (3), (4), into check connections of which trigger 2 majority elements (5), (6) are introduced. Control signals are generated by means of gates with open collector. On occurrence of error, absence of signal x1 or in case of appearance of systematic error, i.e. failure of any one of inverters (3), (4) of RS-trigger of any channel (single error) due to signals of majority elements from outputs of RS-triggers of parallel channels, operating identically, the trigger is always set to same position as two neighboring ones. Suggested principle for building redundant RS-triggers is universal and useable for all devices consisting of RS-triggers, such as counters of any phase characteristic, code type, reverse counters, non-reverse counters, circular counters, etc. All variants are united by single idea, in accordance to which majority elements (5), (6) are installed in check connections of RS-trigger, allowing synchronous operation of parallel channels in case of interferences or disruption of connections.
EFFECT: increased efficiency.
FIELD: impulse engineering, possible use in high reliability digital synchronizing devices, built in fast action element base.
SUBSTANCE: device contains reserve channels (1-3), each one of which contains counter (7-9), counting trigger (13-15), majority element (19-21), D-trigger (16-18), AND element (28-30), input (4-6) and output buses. Delay element (10-12) and second D-trigger (22-24) are incorporated into each reserve channel.
EFFECT: increased reliability of device.
FIELD: physics, radio.
SUBSTANCE: invention concerns radiotechnics. The objective is achieved by adding analysis unit, parameter defining unit, memory unit, three shift registers, failure detection unit, state monitoring unit, three slave switches, second 'OR' element and connections between them to the prototype. Three-element majority protection includes first (1), second (2) and third (3) protection elements, first (4), second (5) and third (6) shift registers, first (7), second (8) and third (9) slave switches, first (10), second (11) and third (12) 'AND' elements, first (13) and second (14) 'OR' elements, analysis unit (15), parameter defining unit (16) memory unit (17), failure detection unit (18), state monitoring unit (19).
EFFECT: improved protection reliability due to protection failure control.
SUBSTANCE: device is built on the basis of majority device, but in contrast to it signals of two connected normally operating channels are majorised as well as one disconnected working channel that stays in cold reserve. In case of failure in one of working channels, the third working channel is automatically switched on, the one that stayed in cold reserve, and signals of these three working channels, one of which failed, are majorised, thus forming output signal of reserved system. In case of failure in another or in both working channels, the third working channel also automatically switches on, the one that stayed in cold reserve, and signals of these three working channels, one or two of which failed, are duplicated, thus forming output signal of reserved system from the signal of the third reserve channel that was disconnected earlier.
EFFECT: reduction of electric power consumption and higher reliability of reserved system.
FIELD: physics; communications.
SUBSTANCE: present invention pertains to the systems theory. The result is achieved by determining combinatorial relationship between the number of objects from a system of n>2 objects, denoted by positive integers, from which k≤ n-2 objects are shutdown as faulty and/or inactivated. For this purpose, in the method, containing n>2 objects, denoted by positive integers which are components of a set N, and n signals for shutting down objects, there is introduction of more signals for comparing object signals on "each with each" principle. The number of m-objects is determined, the signals of which coincide with accuracy of small values of ε and components of subset M of set N. Each of the comparison signals is assigned a two-element subset Pv, consisting of numbers of objects of subset M, the output signals of which are compared, where subset of each combination k≤n-2 of numbers of shutdown objects in set N, signals for each of which differ from the rest of set N signals. To realise the method, a substitution redundant system is proposed, which consists of four objects.
EFFECT: increased efficiency of the system, consisting of several objects, through provision for shutdown of the maximum number of faulty objects to a situation, when two faulty objects remain in the system.
2 cl, 1 dwg
FIELD: physics; guidance.
SUBSTANCE: invention concerns to radio engineering and automatics field and can be used in systems and processing devices of the numeral information with reservation. Technical effect of the invention is aimed at, pinch of reliability of system of reservation at the expense of the control of working capacity of reserve devices and their protection against malfunctions is. The device consists of three reserve devices, three electronic keys, three "2И" devices, one "3ИЛИ" device and the generator of clock impulses. The technical effect is reached at the expense of introduction of the block of the analysis, the block of definition of failures and the block of mapping of a state and communications between them.
EFFECT: increase of reliability of system of reservation at the expense of the control of working capacity of reserve devices and their protection against malfunctions.
FIELD: information technologies.
SUBSTANCE: functional resources are expanded due to majorisation of bidirectional signals and introduction of diagnostics with control by means of input signals for actuation as input and output signals are mismatched during various quantity of system clock frequency periods and by various front of control signals. Device comprises element of comparison, majority element, decoder, three multiplexers, two bidirectional buffers, two triggers, counter, OR element.
EFFECT: improved reliability of computer and control systems.
2 dwg, 1 tbl
FIELD: information technologies.
SUBSTANCE: device for majority selection of signals comprises n channels, every of which includes reversible counter, majority element, D-triggers, generator, elements AND and AND-NOT. Device eliminates "opposition" between fronts of input pulses in various channels, which may occur as a result of no synchronisation of input pulses. This "opposition" may result in device failure and accordingly in loss of serviceability.
EFFECT: improved reliability of functioning due to elimination of failures in device.