Testing method for accelerometer signal acquisition board

A signal acquisition board, accelerometer technology, applied in the testing/calibration of speed/acceleration/shock measurement equipment, speed/acceleration/shock measurement, electronic circuit testing, etc. Long cycle and other problems, to avoid manual or semi-automatic operation, complete performance test accurately, and overcome the cumbersome test process.

Active Publication Date: 2019-05-24
西安现代控制技术研究所
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Problems solved by technology

[0003] In the performance verification process of the accelerometer signal acquisition board, the test system usually includes a reference source, a four-way regulated power supply, a counter and an accelerometer signal acquisition board, using manual or semi-automatic methods. Relying on manual recording and calculation, poor consistency of test results, consuming a lot of manpower and material resources, and low work efficiency

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  • Testing method for accelerometer signal acquisition board
  • Testing method for accelerometer signal acquisition board

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Embodiment 1

[0095] This embodiment specifically describes a preferred solution of the technical solution of the present invention.

[0096] like figure 2 As shown, the test equipment load of the accelerometer signal acquisition board involved in this preferred solution is three sets of accelerometer signal acquisition boards, and the specific implementation process is described as follows:

[0097] a. The test equipment is powered on, the relevant parameter settings are confirmed, and the parameter setting module 1 outputs three-way information after receiving the initial parameters, which are respectively outputting reference control information to the reference source network module 2, outputting power control information to the power supply module 3 and Board information processing module 5 outputs parameter information;

[0098] b. After the reference source network module 2 receives the reference control information of the parameter setting module 1, it realizes the information int...

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Abstract

The invention belongs to the technical field of performance verification of a signal acquisition board, in particular to a testing method for an accelerometer signal acquisition board. In order to solve the problems existing in current accelerometer signal acquisition board power supply testing, testing method and result recording, the testing method is implemented based on testing equipment, which comprises a parameter setting module, a reference source network module, a power supply module, an acquisition board network module and an acquisition board information processing module. The technical scheme can realize the automatic testing of the performance of the accelerometer signal acquisition board, the integrated power supply, the automatic control of a reference source and the automatic storage of testing results, so as to realize the purpose of efficient optimization.

Description

technical field [0001] The invention belongs to the technical field of performance verification of signal acquisition boards, and in particular relates to a test method for an accelerometer signal acquisition board. Background technique [0002] An inertial navigation device is usually composed of a gyroscope, an accelerometer, a signal acquisition circuit, a secondary power supply, and a navigation computer. Among them, the current signal output by the accelerometer needs to be converted into a digital signal by using a conversion circuit. The implementation of the current signal conversion circuit is generally A / D conversion based on successive approximation and current-to-frequency conversion based on cumulative effect (referred to as I / F conversion). ), no matter which conversion circuit is used, the accuracy and stability of the weak current signal conversion will directly affect the accuracy of the inertial navigation device, so it is necessary to conduct a comprehensi...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/28G01P21/00
Inventor 刘琴田荣军李小博赵伟高陈沣阮娟杨鹏翔杨朝明罗苏慧李应举翟亚东林宏波张娇栗子丰
Owner 西安现代控制技术研究所
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