An Active Vibration Control Method for Variable-Speed Tilt Momentum Wheels
A technology of active vibration control and momentum wheel, which is applied in non-electric variable control, mechanical oscillation control, control/regulation system, etc., can solve the problems of unbalanced variable speed tilting momentum wheel vibration control, which cannot be realized, and achieves the improvement of output accuracy, Realize the effect of convenience and simple parameter setting
Active Publication Date: 2022-02-25
HARBIN INST OF TECH
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[0004] In view of the above problems, the present invention proposes an active vibration control method for variable-speed tilting momentum wheels to solve the problem that existing active vibration control methods cannot achieve effective vibration control for variable-speed tilting momentum wheels due to rotor imbalance
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[0038] Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings. In the interest of clarity and conciseness, not all features of an actual implementation are described in this specification. Here, it should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, only the device structure and / or processing steps closely related to the solution according to the present invention are shown in the drawings, and the Other details not relevant to the present invention are described.
[0039] The basic structure of the variable speed tilting momentum wheel is as follows: figure 1 As shown, the rotor is firmly connected to the motor shaft, and the axial rotation speed of the rotor is changed through the flexible joint support structure composed of the inner flexible shaft, the outer flexible shaft and the balance ring. The inner flexible shaft is fixedly connected and perpendicular to...
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The invention relates to an active vibration control method of a variable-speed tilting momentum wheel, which belongs to the technical field of vibration control of a variable-speed tilting momentum wheel, and is used to solve the problem that the existing active vibration control method cannot realize effective vibration control of the variable-speed tilting momentum wheel due to unbalanced rotors. The active vibration control method includes: according to the coordinate transformation relationship between the rotor, the balance ring and the motor shaft in the variable speed tilting momentum wheel, establishing a variable speed tilting momentum wheel system including mass imbalance; using the improved position domain adaptive notch The filter corrects the tilt angle of the rotor in the variable speed tilting momentum wheel system, thereby realizing the active vibration control of the variable speed tilting momentum wheel system. The method of the invention is especially suitable for the active vibration control under the variable speed working condition of the tilting momentum wheel rotor, and is convenient to implement, simple in parameter setting, suitable for engineering application, and also suitable for the active vibration control under the constant speed working condition.
Description
technical field [0001] The invention relates to the technical field of vibration control of a variable-speed tilting momentum wheel, in particular to an active vibration control method for a variable-speed tilting momentum wheel. Background technique [0002] As a new type of spacecraft attitude control and attitude sensing device, the variable-speed tilting momentum wheel has the functions and characteristics of the variable-speed dual-frame control moment gyroscope and the dynamic tuning gyroscope. By precisely controlling a three-degree-of-freedom flywheel rotor that can tilt around a fixed point and rotate at a variable speed and high speed, two-axis attitude angular rate measurement and three-axis torque output can be realized at the same time, greatly reducing the volume, mass, and weight of the spacecraft attitude control and measurement system. Power consumption and cost, and improving system integration are of great significance to the development of tiny spacecraft...
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IPC IPC(8): G05D19/02
CPCG05D19/02
Inventor 霍鑫王喆张媛媛陈硕刘清泉吴瑷菁赵辉
Owner HARBIN INST OF TECH