Automatic simulation test method for port impedance

A technology of simulation testing and impedance testing, applied in electrical testing/monitoring, testing/monitoring control systems, measuring resistance/reactance/impedance, etc., can solve problems such as incorrect calculation and analysis, time-consuming, etc., to avoid omissions and ensure consistency performance, easy to check

Active Publication Date: 2021-11-09
SHANGHAI INST OF SPACE POWER SOURCES
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method takes a long time, and when the circuit is complex, it is prone to incorrect calculation and analysis

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  • Automatic simulation test method for port impedance
  • Automatic simulation test method for port impedance
  • Automatic simulation test method for port impedance

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Embodiment Construction

[0024] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0025] This embodiment provides a method for automatic simulation testing of port impedance, comprising the following steps:

[0026] Step 1: Set all active ...

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Abstract

The invention discloses an automatic simulation test method for port impedance, which comprises the following steps of: sequentially applying voltage to each port of a tested circuit, solving corresponding port current, and further calculating the equivalent impedance of each port according to the Ohm law. The port impedance automatic simulation test method comprises the following steps: firstly, setting an active device in a tested circuit to be zero, and distributing a unique and fixed network identification number to each terminal of the tested circuit; then, listing a test sequence according to test requirements; and furthermore, introducing an independent voltage source specially used for measuring circuit port impedance into the circuit simulation diagram, and distributing network identification numbers to positive and negative terminals of the circuit simulation diagram according to a test sequence. Through matching network identification numbers of the independent voltage source terminal and the tested circuit terminal, electrical connection is realized. According to the invention, the efficiency of obtaining the impedance value is improved. Meanwhile, errors caused by manual analysis or calculation errors are avoided, and the accuracy of the obtained port impedance value is improved.

Description

technical field [0001] The invention belongs to the technical field of aerospace power supplies, in particular to an automatic simulation test method for port impedance. Background technique [0002] In the functional test of aerospace power controllers, before power-on, it is often judged whether there is a fault in the circuit by measuring the impedance of the circuit port. When using this method, first calculate the theoretical value of the port impedance. On this basis, the measured value is compared with the theoretical value to find outliers. The traditional method of obtaining the theoretical value of port impedance is: using the knowledge of circuit principles, each port is regarded as an input port in turn, and the equivalent circuit seen from each port is manually analyzed, and then the equivalent impedance of each port is calculated. This method takes a long time, and when the circuit is complex, it is also prone to incorrect calculation and analysis. Contents...

Claims

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Application Information

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IPC IPC(8): G05B23/02G01R27/02
CPCG05B23/0213G01R27/02G05B2219/24065
Inventor 徐伟杨依衡赵洋孙俊阳谢霞明韩业华
Owner SHANGHAI INST OF SPACE POWER SOURCES
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