UA138428U - COMBINED ENERGOSTATIC METHOD FOR CONTROL OF TECHNICAL CONDITION AND LOCALIZATION OF DISABLED RADIOELECTRONIC COMPONENTS RADIOHYOLECTRIC ELECTRIC ELECTRIC ELECTRIC - Google Patents

Abstract

Combined energy-static method of monitoring the technical condition and localization of inoperable electronic components of electronic devices and initial reactions, which performs diagnostics of electronic devices, submission to the input of the test device. When removing the diagnostic parameters, namely the values of the voltage of the signals on the additional resistance, which is included in the gap of the housing bus, which are presented in the time domain (duration and repetition rate), simultaneously use the values of signals at the outputs of electronic devices. signatures of signals at the outputs of electronic devices and signals that are presented in the time domain (duration and frequency of repetition), compare with the reference, detect the degree of coincidence and by their difference make a conclusion about the performance or inoperability of digital electronic devices.

Description

make a conclusion about the functionality or non-functionality of digital radio-electronic devices. Peki shchi | internet connection

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What about her?

The useful model belongs to the methods of monitoring the technical condition and localization of inoperable radio-electronic components of digital radio-electronic devices by an energy-static method and can find wide application for objects of digital radio-electronic equipment.

The organization of monitoring the technical condition and localization of inoperable radio-electronic components for modern digital radio-electronic devices is quite complex, and at the current stage of the development of digital radio-electronic technology, the issues of this organization are not completely resolved. The rate of development of electro-radio elements of radio-electronic equipment objects, increasing the degree of integration of electro-radio elements, the number of external outputs and modes of operation of radio-electronic equipment objects encourage the search for new methods and methods of analysis, control of the technical condition and localization of radio-electronic components of digital radio-electronic devices in order to make a decision about the technical condition of reliability is not lower than the given one.

The closest analogues are the combined energy-dynamic method of monitoring the technical condition of radio-electronic devices in the frequency domain and output reactions (see: пир//baze.tsiru.ogud/zeatgspIMM/zeagsp-rpr?asiyop:-mieuaeiaiivaiaSiaiit-239948) and the combined energy-dynamic method of localization of inoperable of radio-electronic components of radio-electronic devices in the frequency domain and output reactions (see: pEr//baze.tsiru.ogd/zvatgspIMM/5eagsn.rpr"asiop-mieumayetaiyivaasSiaiit:-239948).

The difference between the closest analogs is that they use the frequency characteristics of the signal in the power bus and the value of the signals at the outputs of the radio electronic devices as a diagnostic parameter to control the technical condition and localize inoperable radio electronic components of digital radio electronic devices.

The basis of a useful model is the task of creating a method in which the diagnostic information is the value of the voltage measured in the steady-state operation of a digital device on an additional resistance, the fulfillment of requirements when measuring this diagnostic parameter regarding the manifestation and transportation of any defect to the control point, and logical value of the signals at the outputs of the radio electronic device.

The task is solved by the fact that the combined energy-static method of control

From the technical condition and localization of inoperable radio-electronic components of radio-electronic devices and output reactions, which includes diagnostics of radio-electronic devices, which is obtained by applying a test effect to the input of the device, according to a useful model, it differs in that when removing the diagnostic parameters, namely, the voltage values of the signals on to the additional resistance, which is included in the breakdown of the power supply bus, which are presented in the time domain (duration and repetition rate), at the same time, the values of the signals at the outputs of radio electronic devices are used, which are presented in the form of a signature.

Signal signatures at the outputs of radio electronic devices and signals that are presented in the time domain (duration and repetition frequency) are compared with reference ones, the degree of coincidence is detected, and based on their difference, a conclusion is drawn regarding the performance or non-performance of digital radio electronic devices.

The useful model is explained by the drawings, which depict the functional scheme of the implementation of the proposed combined energy-static method of monitoring the technical condition, localization of inoperable radio-electronic components of radio-electronic devices and output reactions.

The scheme contains a radio electronic device (REP) 1 with radio electronic components 2, 3, 5, 6, 7, 8, control resistance "X 9, separating capacitor 10. SA - signature analyzer 4.

The method is implemented as follows.

When an integrated circuit from the TEZ or a logic element (LE) of the integrated circuit fails, they stop switching (constant fault) or their switching functions change (short-circuit, "scrambling" and inverse types of faults), the signal levels at their outputs differ from the signal levels of a working IC or LE. These levels from each IC output are transported to a defined fixed level at the control point (CT). This makes it possible to control the operation of the IC by applying test influences to its inputs, determine the value of the voltage in the CT, compare these values with those calculated for the operational state of the IC, and draw a conclusion about its serviceability. Therefore, a defect in the TEZ leads to a change in the value of the parameters of the signals at its output and in the CT, i.e., the conditions for the manifestation and transport of the defect to the control point are fulfilled (the correlation coefficient between the parameters of the signals at the output and at the control point is about 0.95). There is a contradiction about the value of "NTR. On the one hand, the resistance must be increased in order to obtain the largest possible amplitude of pulses and their 60 excess over noise, and on the other hand, it must be decreased, since a significant increase in the resistance of the grounding bus leads to a decrease in the immunity of digital ICs. This problem is solved by to such a value /input I Kcontrol 5 OKU; cp where Kucp - Kcp In Kcontrol App is the dynamic resistance of the digital device (CP), and Kucp is the total resistance of the CPU, to the case bus of which an additional resistance is connected. 2. The ratio of signal levels - the noise in CT should be Osh.

Next, the values of the voltage of the signals on the additional resistance, which is included in the gap of the housing power supply bus, which are presented in the time domain (duration and repetition frequency) are compared with the standard. If the measured and reference parameters match, then the digital radio electronic device is operational. Otherwise, the digital radio electronic device is inoperable.

At the same time, the reactions at the output of the digital device, with the help of a signature analyzer, are converted into a sixteen-year code (signature). Compression of the corresponding responses is implemented on shift registers with feedback. Signatures are compared with standards, which are obtained either by calculations or by obtaining them on a previously working device.

Submission of tests is carried out with a special generator or software methods.

It is necessary to ensure that the time interval of the test exposure signals to the device is equal to the analysis time.

As the exams have shown: the length of diagnostic tests is reduced by 10-20 percent. At the same time, the more complex the device, the greater the gain in the shortened test; the time for monitoring the technical condition of the radio-electronic device and localization of malfunctioning radio-electronic components in radio-electronic devices is reduced by 15 percent, unlike analogues. the reliability of decision-making regarding the technical condition of radio-electronic devices increases by 15 percent.

Claims (1)

USEFUL MODEL FORMULA З Combined energy-static method of monitoring the technical condition and localization of inoperable radio-electronic components of radio-electronic devices and output reactions, in which diagnostics of radio-electronic devices are carried out, submission of a test effect to the input of the device, which differs in that when diagnostic parameters are removed, namely the voltage values of the signals on the additional resistance , which is included in the breakdown of the power supply bus, which are presented in the time domain (duration and repetition rate), simultaneously use the values of the signals at the outputs of the radio electronic devices, which are presented in the form of a signature, then the signatures of the signals at the outputs of the radio electronic devices and the signals that are presented in the time domain areas (duration and frequency of repetition), are compared with the reference ones, the degree of coincidence is revealed and, based on their difference, a conclusion is drawn regarding the performance or non-performance of digital radio electronic devices.