本文针对全数字直流调速器回路、应用自适应原理，通过数学推导，得出了速度环、电枢电压环、电枢电流环的数学模型。
According to the loops of the total digital DC timing and applied self-adaptive principles, deduce the mathematic model of the speed, armature voltage and armature electrical current loops.
介绍在烧结机环冷余热回收工艺中应用小型DCS、PLC与变频调速器所构成的控制系统。
The control system for heat-recovery process from circulating cooling of sintering machine is introduced. In this system small- sized DCS, PLC and variable frequency speed adjuster are composed.
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