closed-loop DC servomotors

closed-loop DC servomotors Closed-loop feedback CLOSED LOOP CORRECTIVE ACTION FORM CLOSED LOOP CORRECTIVE ACTION PROBLEM SOLVING中文意思是什么? the open-loop representation、“the closed-loop representation”具体怎么理解?看文献遇到三个概念,不是很理解,是最优控制方面的the open-loop representation、“the closed-loop representation”andthe optimal feedback servo 是什么意思? Closed-loop machining什么意思?闭环加工?怎样的算闭环加工呢? 英语翻译topping off the vehicle with fresh coolant in a closed loop 请问LTE中的MIMO模式主要是指哪些Single-antenna Port(port0);Transmit diversity;Open-loop spatial multiplexing;Closed-loop spatial multiplexing;Multi-user MIMO;Closed-loop Rank=1precoding;Single stream beamforming(port5).这些模式主要 Closed japan servo co. Hardlimit or servo alarm servo amplifier是什么意思 servo amplifier是什么意思 SERVO是什么品牌 SERVO ON是什么意思 servo driver是什么意思 Servo clock signal