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Reset Control for Vibration Disturbance Rejection

机译：复位控制振动干扰抑制

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摘要

The high tech industry which requires fast stable motion with nanometer precision continues to mainly use PID which is limited by fundamental linear control limitations. Floor vibrations as disturbance significantly affect performance and their rejection is particularly affected by these limitations. Reset control has provided a promising alternative to surpass these, while simultaneously allowing the use of industry standard loop-shaping during design. However, the reset action introduced higher order harmonics can induce unwanted dynamics and negatively influence performance. This paper investigates two reset control strategies namely (1) band-pass phase lag reduction and (2) phase compensation to reduce the negative effects of higher order harmonics. The strategies are tested on a precision positioning stage for vibration rejection and the results show that phase compensation provides better performance compared to other tested strategies.
机译：高科技行业需要快速稳定的纳米精度运动，继续主要使用PID，其受到基本线性控制限制的限制。地板振动作为干扰显着影响性能，它们的拒绝受到这些限制的影响。重置控制提供了有希望的替代方案来超越这些，同时允许在设计期间使用工业标准环形整形。然而，重置动作引入了更高的谐波可以诱导不需要的动态和负面影响性能。本文调查了两个重置控制策略即（1）带通阶段滞后减少和（2）相位补偿，以减少高阶谐波的负面影响。在精密定位阶段测试策略，用于振动抑制，结果表明，与其他测试策略相比，相位补偿提供了更好的性能。

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