positive-negative control

基本解釋

Sensorless DC motor close-loop control module include reversing control, current loop regulating, the positive and negative rotational speed controls with speed ring etc.
無(wú)傳感器閉環(huán)控制模塊包括換向調(diào)節(jié)、電流環(huán)調(diào)節(jié)和速度環(huán)調(diào)節(jié)、正反轉(zhuǎn)速控制等功能。
The control method of electric machine positive-negative rotating and "Y-△"starting in electrics experiment are studied by means of relay-contactor control and PLC control.
對(duì)“電工學(xué)”課程實(shí)驗(yàn)中的電機(jī)正反轉(zhuǎn)控制和“Y-△”啟動(dòng)控制，分別用接觸器控制和PLC的計(jì)時(shí)器控制，并對(duì)兩種方法進(jìn)行了對(duì)比研究；
A multifunction hand electric drill control using voltage negative feedback and current positive feedback, with protecting devices of current cut-off negative feedback, is proposed.
本文介紹的多功能手電鉆控制器，采用電壓負(fù)反饋、電流正反饋，并有電流截止負(fù)反饋的保護(hù)裝置。