Mode setting and error calibration method of sensor signal source
An error calibration and sensor technology, applied in the direction of instruments, measuring devices, special data processing applications, etc., can solve the problems of single fault setting means, cumbersome process, frequent switching, etc., achieve enhanced applicability and versatility, and improve work efficiency , the effect of enhanced versatility
Active Publication Date: 2014-12-24
BEIJING INST OF CONTROL ENG
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[0004] In the previous ground test of the control system, the sensor signal source mode setting and error calibration were carried out separately, and there were three deficiencies: 1) The process of mode setting and error calibration was cumbersome, and the parameter display interface needed to be switched frequently; 2) Faults The setting method is relatively simple, and usually only a few simple fault modes such as signal loss and step jump can be set; 3) Error calibration needs to be manually implemented one by one, the process is cumbersome and the efficiency is low
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[0031] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0032] Such as figure 1 As shown, a mode setting and error calibration method of a sensor signal source includes the following steps:
[0033] (1) Receive two kinds of setting instructions from the host computer to different sensor signal sources, if the mode setting instruction is received, then enter step (2), if the error calibration instruction is received, then enter step (3);
[0034] (2) According to the test mode in the step (1) mode setting instruction, select the mode setting parameter (b s 、d s ,δ s ) value, and enter step (5) to test; test mode includes closed circuit test, open circuit test, fault test; b s Set the amplitude coefficient for the mode, that is, the maximum output amplitude of the signal when the constant deviation is not considered; d s Sets the linear region width for the mode, i.e. the maximum linear value of the input signal, δ s ...
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The invention relates to a mode setting and error calibration method of a sensor signal source. A mode setting function and an error calibration function are respectively realized according to different configurations of mode setting parameters and error calibration parameters, an error calibration process is automatically completed and takes immediate action, and a calibration result is automatically saved and automatically loaded when a test system is started to be used for test next time. The mode setting and error calibration of the signal source are realized by the same element formula, so that the integration of the mode setting and error calibration of the signal source can be realized; meanwhile, the setting of multiple faults such as signal loss, phase step, linearity, nonlinearity and the like can be realized, and the flexibility of the mode setting can be improved.
Description
technical field [0001] The invention relates to a mode setting and error calibration method of a sensor signal source, which is suitable for the working mode setting and error calibration of various sensor signal sources in the ground test of a spacecraft control system, and belongs to the technical field of spacecraft control system testing. Background technique [0002] In the ground electrical test of the spacecraft control system, the attitude sensor (referred to as the sensor) usually needs to be used in conjunction with the corresponding electrical excitation signal source (referred to as the signal source). The function of the signal source is to provide an electrical excitation signal for the sensor in the ground test, especially in the system level test, so that the sensor can output the corresponding measurement signal. Commonly used signal sources on satellites include infrared earth sensor signal sources, sun sensor signal sources, gyroscope signal sources, and s...
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IPC IPC(8): G01C25/00G06F17/30G05B23/02
CPCG01C25/00
Inventor 王佐伟吴小明刘江杨帆蔡君亮彭坤成聪
Owner BEIJING INST OF CONTROL ENG