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Methods and systems for eliminating structural modes in a servo mechanism employed to control a flexible structure
Methods and systems for eliminating structural modes in a servo mechanism employed to control a flexible structure
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机译:用于消除伺服机构中用于控制柔性结构的结构模式的方法和系统
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摘要
A servo system is provided for controlling movement of a flexible structure having multiple masses and elements. Each element couples a respective two of the masses and functions as a spring when the flexible structure is subject to a linear or rotational input at or above a frequency at which the respective element exhibits flexure. The servo system includes multiple sensors, where each sensor is disposed relative to a respective one of the masses to sense a respective acceleration. A motor having a torque input may operatively be configured to output one of a linear or rotational force on the first mass based on a torque signal present on the torque input. A servo controller that receives each sensed acceleration from each sensor may generate a compensation feedback signal based on a sum of sensed accelerations. The torque signal may be output to the motor based on the compensation feedback signal.
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