Failure modes and injection simulation (FMIS) method for power module of aerial parameter processing device

A power module and parameter processing technology, applied in the direction of electrical digital data processing, special data processing applications, computer-aided design, etc., to achieve the effect of avoiding failure

Active Publication Date: 2012-07-18
BEIJING LANWEI TECH CO LTD
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  • Application Information

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  • Failure modes and injection simulation (FMIS) method for power module of aerial parameter processing device
  • Failure modes and injection simulation (FMIS) method for power module of aerial parameter processing device
  • Failure modes and injection simulation (FMIS) method for power module of aerial parameter processing device

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Embodiment Construction

[0055] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0056] The following examples are as follows figure 1 The implementation of the flow shown mainly includes determining the key components of the power module, determining the potential failure modes of the key components, transient circuit simulation under the normal state of the power module, and transient circuit simulation under the failure state of the power module. The structure of the power module is as follows: figure 2 shown. It mainly includes circuit boards, plastic-encapsulated integrated circuit chips, ceramic integrated circuit chips, chip resistors, plug-in resistors, and capacitors.

[0057] See figure 1 , a kind of FMIS method of aviation parameter processing equipment power supply module of the present invention, the concrete steps of this method are as follows:

[0058] Step 1: Determine the key components on the power m...

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Abstract

Disclosed is an FMIS method for a power module of an aerial parameter processing device. The FMIS method includes steps of determining critical components of a power module of an aerial parameter processing device; determining failure modes of the critical components; performing transient circuit simulation of the power module under a normal condition; and performing transient circuit simulation of the power module under a failure condition. By means of the FMIS method for the power module of the aerial parameter processing device, the failure modes of the power module of the aerial parameterprocessing device are determined based on a stress simulation method and failure mode injection technology, circuit output is obtained quantitatively in the failure modes, evidence is provided for design engineers to evaluate the influence and determine the harmfulness of the failure modes, and simultaneously for the design improvement of the power module. The FMIS method for the power module of the aerial parameter processing device has good practical value and wide application prospect in the simulation technical field of product reliability.

Description

technical field [0001] The invention provides an FMIS method for a power module of aviation parameter processing equipment, in particular relates to a method for simulating failure of a power module of aviation parameter processing equipment and its impact based on stress simulation and failure mode injection technology, and belongs to the field of product reliability simulation. Background technique [0002] With the rapid development of science and technology, the complexity of aviation products is constantly increasing, and the requirements for reliability are also getting higher and higher. Therefore, in the process of product development, higher requirements are put forward for failure analysis and reliability design. Aviation parameter processing equipment is an electronic device that records, processes, measures, and alarms the collected aviation flight parameters to monitor the operating status of the aircraft. The function of the power module is to convert the exte...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F17/5009G06F2217/78G06F2217/80G06F17/5063G06F17/5036G06F9/455G06F30/36G06F2119/08G06F2119/06G06F30/367G06F30/20
Inventor 陈颖张晓秦曹然马响康锐
Owner BEIJING LANWEI TECH CO LTD
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