UA143561U - CONTACTLESS INDUCTION METHOD FOR CONTROL OF TECHNICAL CONDITION OF DIGITAL RADIOELECTRONIC DEVICES - Google Patents

Abstract

Non-contact induction method of monitoring the technical condition of digital electronic devices includes diagnostics of electronic devices, which is implemented by submitting to the input of the device a special previously prepared test effect. Removal of diagnostic parameters, namely values of signal voltage (surface potential voltage) of stochastic changes of current parameters, is registered by means of the contactless induction sensor from the power bus of the digital device. Then compare with the reference, find out the degree of coincidence and by their difference make a conclusion about the efficiency or inoperability of the digital electronic device.

Description

The useful model belongs to the methods of monitoring the technical condition of digital radioelectronic devices by a non-contact induction method and can find wide application for objects of digital radioelectronic equipment.

The organization of technical condition control for modern digital radio-electronic devices is quite complex, and at the current stage of the development of digital radio-electronic equipment, the issues of this organization have not been completely resolved. technicians are encouraged to search for new methods and methods of analysis, control of the technical condition of digital radio-electronic devices in order to make a decision about the technical condition with a reliability not lower than the specified one.

The closest analogues are the combined electromagnetic method of monitoring the technical condition of radio electronic devices in the frequency domain and output reactions (see pEr//baze.tsiru.ogd/zeatgspIMM/5eagsn.rpr"asiop-miveumaeitaiivaiaSiait-254959).

Combined electromagnetic method of localization of inoperable radioelectronic components of radioelectronic devices in the frequency domain and output reactions (see pyr//baze.tsiru.ogud/zeatgspIMM/5eagsn.rpr"asiop-miveuayetaiivaaSiait-242597).

The difference between the closest analogs is that in order to control the technical condition and localize malfunctioning radio-electronic components of radio-electronic devices in the frequency domain, radiation from radio-electronic components of radio-electronic devices is used as a diagnostic parameter, namely, the change in the electromagnetic field around the radio-electronic components in radio-electronic devices and the value of the signals at the outputs radio-electronic devices using antennas aimed at radio-electronic components.

The basis of the useful model is the task of creating such a method, in which the value of the signal, which is registered by a non-contact induction sensor on the power bus of a digital device, is the diagnostic information.

The task is solved by the fact that the non-contact induction method of monitoring the technical condition of digital radio-electronic devices includes diagnostics of radio-electronic devices, which is implemented by submitting to the input of the device a special, previously

From the prepared test exposure. The removal of diagnostic parameters, namely the voltage values of the signals (voltage of the surface potential) of stochastic changes in the current parameters, are registered using a non-contact induction sensor from the power bus of the digital device. Next, they compare it with the reference one, find out the degree of coincidence and, based on their difference, draw a conclusion about the functionality or non-functionality of the digital radio-electronic device.

The useful model is explained by the drawings, which depict the functional scheme of the implementation of the proposed non-contact induction method of monitoring the technical condition of digital radio electronic devices.

The scheme contains a radio electronic device (REP) 1 with radio electronic components 2, 3, 4, 5, 6, 7, a non-contact induction sensor 8.

The method is implemented as follows.

The method applies to digital devices that are characterized by: - a modern element base and manufacturing technology (the total number of integrated circuits » 60 pieces, there are extra-large integrated circuits, microprocessors; - the presence of a pulsed power supply unit in the controlled device (the number of failures of radio electronic equipment due to the failure of the power supply unit reaches 60 9); - the presence of both energy-dependent and independent memory elements in the controlled device (it is characterized by a limited number of overwriting cycles and a limited time of operation).

When performing the self-check procedure, the diagnostic signal is registered when the self-diagnosis (self-check) algorithm developed by the equipment manufacturer is executed.

When power is applied to a digital device, a reset signal is generated and the central processor is started. The processor's memory is configured in such a way that the first command that the processor considers to be in the VIO5 microcircuit is executed by the ROZT program, which consists of the following stages: - initialization and control of system components; - processor testing; - chipset setting; - initialization and control of the video adapter; - checking the SMOZ5 checksum and battery status; bo - detection of RAM, copying of the VIO5 code into RAM;

- testing of input/output ports and other devices; - distribution of resources between devices; - search and control of devices that have their own VIO5; - RAM testing; - calling the program interrupt VIO5 BMI 19.

A malfunction of a digital device is simulated by reducing the amount of memory used (physical destruction of the RAM line). Such a change in the state of the memory is perceived by the built-in control system as a working state. At first power-on (full memory) - the type of signal from the diagnostic signal sensor on the oscilloscope. At the second power-on - introduction of a malfunction (half of the memory) - the type of VAT signal on the oscilloscope.

Next, the analog signal from the diagnostic signal sensor enters the input of the analog-to-digital converter, is memorized and sent for statistical processing and visualization. This procedure is performed by software. At the third power-on (full memory) - recording of the signal in digital form. At the fourth power-on (half of the memory) - recording of the signal in digital. Further, the received diagnostic information is presented in the form of amplitude-time and frequency-time form, statistical data processing is carried out, their comparison with the standard and a decision on the technical condition of the digital device is made.

The built-in control system (an imperfect system is unable to control the characteristics of elements - only functions) solves the task of differential diagnostics (ensures safe switching on and informs service personnel about the fact of a malfunction).

Application of the proposed method makes it possible to detect the difference in memory access procedures during the verification process. For visualization and statistical processing of the signal from the diagnostic signal sensor, the capabilities of the AROVE ASHOITIOM program are used; for comparing and evaluating the results of the experiment, the ASObeye RKO programs are used

Eiviop.

As the exams have shown: the time for monitoring the technical condition of a radio-electronic device is reduced by 10 percent, unlike analogs;

It increases the reliability of decision-making regarding the technical condition of radio electronic devices by 15 percent.

Claims (1)

USEFUL MODEL FORMULA A non-contact induction method of monitoring the technical condition of digital radioelectronic devices, which includes diagnostics of radioelectronic devices, which is implemented by applying to the input of the device a special previously prepared test effect, which is distinguished by the fact that the removal of diagnostic parameters, namely the values of signal voltage (surface potential voltage) of stochastic changes current parameters are registered using a non-contact induction sensor from the power supply bus of a digital device, then compared with the reference one, the degree of coincidence is detected, and a conclusion is drawn based on their difference regarding the operability or inoperability of the digital radio-electronic device. KK - N t i Ki ! SHY To nenya Y! ! and her | iii : SYA i i : shcha as Mk i 3 : 3: B E E NK Y 1 I g v t y zashi shi | STILL N In and: