variable frequency speed control 变频调速
variable frequency speed control system 变频调速系统
ac and frequency speed control 调频转速控制
frequency control of motor speed 变频调速 ; 运行管理
Variable Frequency Speed-control 变频调速
vector-variable-frequency speed control 矢量变频调速
The paper introduces the application and testing of intelligent fuzzy logic controller and alt-frequency speed-control technology in limestone crushing system in mining .
介绍智能型模糊逻辑控制器及变频调速在水泥矿山石灰石破碎系统中的应用、调试。
Against the heavy equipment load and complex operations characteristic, the spindle used vector control technology of ac frequency speed control; the car used advanced ac servo control technology.
针对该设备负载大、运行情况复杂等特点，主轴采用了交流变频调速矢量控制技术，小车采用了先进的交流伺服控制技术。
The result of analysis and experiment show that the proposed method can be applied in the AC variable frequency speed control system which is nonlinear, fast changefully and difficult to be modeled.
理论分析与实验的结果表明：该方法对异步电机变频调速这一非线性、快速多变、难于建模复杂系统的控制是实用和有效的。
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