Method and system for temperature compensation of maglev electric drive for satellite double super-platform

A satellite platform and temperature compensation technology, applied in temperature control, control/regulation system, non-electric variable control, etc., can solve the problems of compensation control method that does not point out the temperature change of the magnetic levitation coil, and achieve the effect of improving the accuracy of current output

Active Publication Date: 2022-02-08
SHANGHAI SATELLITE ENG INST
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

This patent provides a temperature compensation technology for the reference voltage generation circuit, but this method does not point out the compensation control method for the temperature change caused by the power heat generated in the magnetic levitation coil

Method used

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  • Method and system for temperature compensation of maglev electric drive for satellite double super-platform

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Experimental program
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Embodiment 1

[0033] According to a kind of double-super satellite platform maglev electric drive temperature compensation method provided by the present invention, such as figure 1 shown, including:

[0034] Step M1: Calculate the temperature of the sampling resistor in real time according to the ambient temperature and the preset current value output by the FPGA;

[0035] Step M2: Calculate the real-time resistance value of the sampling resistor according to the temperature of the sampling resistor;

[0036] Step M3: Adjusting the voltage of the magnetic levitation operating coil according to the real-time resistance value of the sampling resistor to control the magnetic levitation operating coil to output a stable current.

[0037] Voltage on the feedback resistor / resistance value of the feedback resistor = current of the magnetic levitation actuation coil, if the resistance value of the feedback resistor changes, the actual output current of the maglev actuation coil decreases, and the...

Embodiment 2

[0059] Embodiment 2 is a modification of embodiment 1

[0060] The present invention provides a corresponding, temperature compensation method. In the present invention, the resistance value of the feedback resistance is calculated in real time, the temperature of the feedback resistance is calculated in real time through the ambient temperature and the output current value, the real-time resistance value of the feedback resistance is calculated according to the temperature of the feedback resistance, and the output current signal is adjusted in real time according to the resistance value to control the maglev The actuating coil outputs a steady current. The present invention eliminates the problem of insufficient accuracy of the feedback measurement current caused by the temperature change of the feedback resistance, and improves the current output accuracy of the maglev operating coil, and is characterized in that:

[0061] A temperature sensor for measuring the ambient tem...

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Abstract

The present invention provides a temperature compensation method and system for dual supersatellite platform maglev electric drive, comprising: step M1: calculate the temperature of the sampling resistor in real time through the ambient temperature and the preset current value output by the FPGA; step M2: calculate the temperature of the sampling resistor according to the temperature of the sampling resistor Calculate the real-time resistance value of the sampling resistor according to the temperature; step M3: adjust the voltage of the magnetic levitation actuating coil according to the real-time resistance value of the sampling resistor to control the magnetic levitation actuating coil to output a stable current.

Description

technical field [0001] The invention relates to the technical field of satellite maglev electric drive, in particular to a temperature compensation method and system for satellite double-super-platform maglev electric drive. Background technique [0002] The technical structure of the double super satellite divides the satellite into a load compartment and a service compartment. The two compartments are connected by a magnetic levitation moving coil and a permanent magnet. The attitude of the load compartment is adjusted by adding current to the maglev operating coil, and the current acts in the magnetic field. force to adjust posture. Changes in ambient temperature lead to changes in the characteristics of electrical components and affect the high-precision characteristics of the output current. A temperature compensation method for maglev drives is urgently needed. [0003] Patent document CN207992859U (application number: 201721902973.X) discloses a temperature compensat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D23/20B64G1/24
CPCG05D23/20B64G1/24B64G1/244
Inventor 莫凡张伟郑京良苏雄杰施伟璜孙奎陆一波陈昌亚
Owner SHANGHAI SATELLITE ENG INST
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