This paper studies a DC double closed loop digital PWM speed adjusting system controlled by 8098 single chip computer to explore the feasibility for the middle or small power motors.
对8098单片机控制的全数字直流双闭环pwm调速系统进行了研究，探讨了该系统在中小型功率直流电机上应有的可行性。
Utilizing the information observed, a new type of slip frequency controlled torque-speed double closed loop system is developed.
基于观测出的状态信息，构成了转差频率控制的转矩速度双闭环新型变频调速系统。
The water-curtain controlled cooling process after rolling steel plate in Shougang Group is analyzed, then a double closed-loop fuzzy control scheme for flow ratio is proposed.
分析了首钢中厚板轧后处理中的水幕控冷工艺过程，提出了一种双闭环流量比值模糊控制系统方案。
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