Design method for active pointing hyperstatic platform steering law
A technology of ultra-static platform and design method, which is applied in the direction of motor vehicles, space navigation equipment, space navigation equipment, etc., can solve the problems of lack of standardized processing methods, and achieve the effect of simple and easy platform control and decoupling
Active Publication Date: 2018-11-06
BEIJING INST OF CONTROL ENG
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[0004] For active pointing ultra-static platforms with different configuration parameters and different numbers of intelligent flexible actuators, how to obtain the conversion of the control torque applied by the load center of mass to The control force in each intelligent flexible actuator is output, and there is still a lack of standardized and unified processing methods
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[0033] The inventive method proposes a kind of active pointing super-static platform maneuvering law design method, the inventive method is described in detail below in conjunction with accompanying drawing, the inventive method comprises the following steps:
[0034] (1) Determine the structural form, configuration parameters and number of intelligent flexible actuators of the actively pointing ultra-static platform. The active pointing ultra-static platform is connected between the star and the payload, including the payload installation surface, the star installation surface, and multiple parallel intelligent flexible actuators between the payload installation surface and the star installation surface; the star refers to the satellite Remove the remainder of the payload from the
[0035] The configuration parameters of the actively pointing ultra-static platform include: the radius of the payload mounting surface r P , Radius r of star mounting surface B , Payload mountin...
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The invention discloses a design method for an active pointing hyperstatic platform steering law, and the method comprises the steps: determining a structure form and form parameters of an active pointing hyperstatic platform and the number of intelligent flexible actuators, calculating the Jacobian transformation matrix of the expansion and contraction quantities from the active pointing hyperstatic platform to all intelligent flexible actuators, calculating the active pointing hyperstatic platform steering law, finally converting the active pointing hyperstatic platform steering law into thecontrol force of each intelligent flexible actuator, and outputting the control forces, thereby achieving a purpose that the active pointing hyperstatic platform carries out the active vibration isolation and precise pointing judgment for a load.
Description
technical field [0001] The invention relates to the field of spacecraft control, in particular to a design method for the control law of an active pointing ultra-static platform. Background technique [0002] In recent years, a series of future mission requirements such as high-precision spacecraft represented by very high-resolution earth observation, long-distance laser communication, and space-based astronomical observation, and large flexible spacecraft represented by high-orbit SAR have been proposed. , which puts forward extremely high requirements on the accuracy, stability and agility of the satellite control system. [0003] Limited by the measurement accuracy and measurement bandwidth limitations of traditional attitude sensors (star sensors, gyroscopes), the traditional low-bandwidth attitude control system cannot effectively suppress the influence of various disturbance moments in a wide frequency domain, and only based on satellite attitude control The technica...
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IPC IPC(8): G05B13/04B64G1/24G05D1/08
CPCG05B13/042B64G1/24B64G1/244B64G1/245
Inventor 张科备王有懿汤亮关新郝仁剑
Owner BEIJING INST OF CONTROL ENG