A rotor flux oriented control system with flux and open-loop speed estimators is described. The key module of this system is the flux and speed estimator.
介绍了一种采用磁链和开环速度估算器的转子磁场定向的控制系统，系统设计的的关键问题是磁链的观测和速度的准确估算。
The institution of all the humping speed control systems basically depends upon open loop control which restricts the character of speed regulating and random adaptability to the circumstances.
现行各种制式的驼峰速度控制系统，都基本属开环控制，限制了速度调整的品质和当外界因素变化时的随机适应能力。
While on the condition of the current-open loop, software will take charge of all the control of the motor with low-speed chopped operation.
在电流开环情况下，完全由软件实现电机的低速斩波运行。
While on the condition of the current-open loop, software will take charge of all the control of the motor with low-speed chopped operation.
在电流开环情况下，完全由软件实现电机的低速斩波运行。
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