西微所--微电机杂志 关键词：双模速度控制；锁相；稳速控制 [gap=345]Key Words:Dual-mode speed control；Speed stability control；Phase-lock-loop
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First this paper research on using variable speed fluid couplings in speed regulation control system of dual pumps or fans machines running in parallel mode.
本文首先对调速型液力偶合器应用于泵或风机双机并联运行的调速控制系统进行研究。
On above mentioned condition, a fuzzy-PI dual-mode adaptive speed control scheme is proposed, in which the control mode is selected momentarily according to the working condition.
在未知控制对象精确参数及数学模型的情况下，提出了超声波电机的模糊-PI双模速度控制策略，系统根据工作状况随时调整控制模式。
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