Magnetic levitation electric drive circuit of satellite double-super platform

Abstract

The invention provides a satellite double-super-platform magnetic levitation electric drive circuit, and the circuit comprises a comparison circuit for receiving a first signal and a second signal andcomparing the first signal and the second signal to obtain an input signal; a power amplifier circuit which is used for carrying out power amplification on the input signal and outputting the input signal to the magnetic levitation action coil; a detection circuit which is connected in series between the power amplifier circuit and the commutation circuit, and outputs a detected current signal tothe comparison circuit as the first signal; and a reversing circuit which is used for carrying out butt joint or reversing butt joint on the two ends of the magnetic levitation action coil and the two ends of the power amplifier circuit and the ground according to the received reversing signal. According to the invention, higher-precision bidirectional weak current output and high energy conversion efficiency of the magnetic levitation electric drive circuit are realized, and the stability problem of the circuit is solved.

Description

technical field [0001] The invention relates to the field of electronic circuits, in particular to a maglev electric drive circuit for a satellite double super-platform. Background technique [0002] Structurally, the double-super satellite technology divides the satellite into a load compartment and a service compartment. The two compartments are connected by a maglev operating coil and a permanent magnet. The attitude of the load compartment is adjusted by adding current to the maglev operating coil, and the current is generated in the magnetic field. force to adjust posture. [0003] The patent document CN107666264A provides a driving technology for a voice coil motor, including a driving stage operational amplifier, a switch K1, a switch K2, an offset detection and control circuit, but the patent does not provide a bipolar drive for the satellite maglev moving coil. technical method, and does not involve the magnetic levitation drive method with high precision features ...

AI Technical Summary

Problems solved by technology

[0003] The patent document CN107666264A provides a driving technology for a voice coil motor, including a driving stage operational amplifier, a switch K1, a switch K2, an offset detection and control circuit, but the patent does not provide a bipolar drive for the satellite maglev moving coil. technical method, and the maglev driving method with high precision features and circuit stability problems in this patent application is not involved

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