High precision magnetic levitation control moment gyroscope frame servo control system

A technology for controlling torque gyroscopes and servo control systems. It is applied to electric controllers, controllers with specific characteristics, etc. It can solve the problem that the interference torque cannot be effectively compensated, the interference torque model cannot be very accurate, and the compensation accuracy is not high. problems, to achieve the effect of reducing the difficulty of modeling, strong operability, and strong adaptability

Inactive Publication Date: 2008-03-19
BEIHANG UNIV
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AI Technical Summary

Problems solved by technology

There are mainly the following two problems: (1) The model of disturbance torque cannot be very accurate, and there are always modeling errors, so the compensation accuracy is not high, and the general algorithm of adaptive modeling is relatively complicated; (2) This method only Can compensate for a known disturbance torque, but cannot effectively compensate for unknown disturbance torque

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  • High precision magnetic levitation control moment gyroscope frame servo control system
  • High precision magnetic levitation control moment gyroscope frame servo control system
  • High precision magnetic levitation control moment gyroscope frame servo control system

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Embodiment Construction

[0023] As shown in Figure 2, the present invention mainly comprises frame servo system controller 1, frame servo torque motor 2, magnetic levitation control torque gyro frame 3, torque motor current detection circuit 4, frame angular rate detection circuit 5 and interference suppressor 6, wherein The frame servo system controller 1 is composed of a speed loop controller 11 , a current loop controller 12 and a drive circuit 13 , and the disturbance suppressor 6 is composed of a disturbance torque calculator 61 and a disturbance compensation calculator 62 . The frame angular rate detection circuit 5 detects the frame angular rate and adds it to the input of the speed loop controller 11 to form the speed loop control; the motor current detection circuit 4 detects the motor winding current and then adds it to the current loop controller The input of 12 forms a current loop control; the frame torque motor winding current and frame angular rate detected in real time by the motor curr...

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Abstract

A high-precision magnetic suspension control torque gyro frame servo control system mainly includes a magnetic suspension control torque gyro frame, a frame servo torque motor, a frame servo system controller, a torque motor current detection circuit, a frame angular rate detection circuit, and an interference suppressor. In the present invention, the torque motor current and the frame angular rate are detected in real time by the current detection circuit and the frame angular rate detection circuit, and then sent to the interference suppressor to calculate the corresponding interference compensation amount, and the frame servo system controller adjusts the output current to realize the interference inhibition. The application of the invention overcomes the influence of the friction torque on the angular rate control accuracy of the frame servo system, suppresses the disturbance of the magnetic suspension high-speed rotor to the frame servo system and other unknown disturbances, improves the angular rate output accuracy and response speed of the frame servo system, and improves the performance of the frame servo system. Magnetic levitation controls the accuracy and response speed of torque gyro output torque.

Description

technical field [0001] The invention relates to a high-precision magnetic suspension control torque gyro frame servo control system, which is used to overcome the influence of friction and other disturbance torques, realize high-precision control of the frame servo system, and improve the accuracy and response speed of the magnetic suspension control torque gyro output torque. Background technique [0002] Due to the significant advantages of large output torque, high precision, long life, small size, and light weight, the maglev control moment gyroscope has become an ideal new generation of large spacecraft such as space stations, space laboratories, agile mobile satellites, and earth observation satellites. Attitude control actuator. The magnetic levitation control torque gyro mainly includes a magnetic levitation high-speed rotor system and a frame servo system. The magnetic levitation high-speed rotor system provides angular momentum, and the frame servo system changes t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B11/32G05B11/42
Inventor 房建成王宗省李海涛孙津济李建文
Owner BEIHANG UNIV
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