查询词典 motor control

After the effects of the mainly nonlinear parameters are analyzed, a position/force hybrid control model is presented for the robot hand with the steel cable as a joint driven unit. The position and speed of robot hand can be controlled by DC motor, therefore, it, how to control grasp force, becomes the key of this thesis.

由于用钢丝绳做连接装置的这一类机器人多指手系统是很难得到准确控制模型的，通过对控制模型中各参数的理论分析，针对这一类机器入手，提出了位置—力混合控制方法。

A simulation research is conducted on the example of six-phase double star winding shifted by 30°synchronous motor.In order to investigate the control algorithm of multilevel inverter , high harmonics as well as its problems, a mathematical model of the control algorithm based on the voltage space vector is built. For the first time, the principle along boundary is introduced to confirm the chosen switch state when many switch states are corresponding to the same vector. Simulation analysis and hardware realization are conducted with the combination of diode clamped three-level inverter and five-level inverter.

建立了基于空间电压矢量控制算法的仿真模型；仿真研究中采用对偶小矢量搭配改善中点电位波动的问题；针对多个开关状态对应同一待选矢量的问题引入&循边原则&确定被选择的开关状态；对过调制问题进行了相应的处理：结合二极管嵌位式三电平逆变器和五电平逆变器进行了仿真分析和硬件实现。

In this system, taking the single- chip computer89C51 as the core part and the small-type of DC motor as the control object.a double closed-loop PI control is implemented.

本文介绍了一种基于单片机控制的PWM直流电机调速系统，系统以89C51单片机为核心，以小型直流电机为控制对象，实现双闭环PI控制。

In this system, taking the single- chip computer89C51 as the core part and the small-type of DC motor as the control object.a double closed-loop PI control is implemented.

摘要本文介绍了一种基于单片机控制的PWM直流电机调速系统，系统以89C51单片机为核心，以小型直流电机为控制对象，实现双闭环PI控制。

Inthis system, taking the single- chip computer89C51 as the core partand the small-type of DC motor as the control object.a doubleclosed-loop PI control is implemented.

本文介绍了一种基于单片机控制的PWM直流电机调速系统，系统以89C51单片机为核心，以小型直流电机为控制对象，实现双闭环PI控制。

Result:Irradiation on injured sciatic nerve with power output of 15mW of diode laser could promote the nerve regeneration.At sixth and eighth week the motor nerve conduction velocity was significantly faster than control group.Any way,there was not any significantly different between 5mW,10mW laser groups and control group.

结果：15mW的半导体激光照射可促进神经纤维的再生过程，第6、8周时激光组的运动神经传导速度明显高于对照组(P＜0.01)，而5mW和10mW半导体激光照射组与对照组比较无明显差异。

In accordance with the characteristics of electrically excited six-phase synchronous motor, the control system based on air-gap-field orientation vector control is adopted in this paper.

针对电励磁六相同步电动机的特点，建立了与之匹配的基于气隙磁场定向的矢量控制系统并进行了研究。

In accordance with the characteristics of electrically excited six-phase synchronous motor, the control system based on air-gap-field orientation vector control is adopted in this paper.

针对电励磁六相同步电动机的特点，建立了与之匹配的基于气隙磁场定向的直接高温线出线单头电热管矢量控制系统并进行了研究。

In this way, the automatic control, the centralized control and the intelligent self-disposal functions of the motor protection is realized.

这样真正实现了电动机保护的智能保护、集中监控和管理。

"Welding carriage, screw-driven, powered by AC drive motor and control ler with tachometer speed control ."

焊头小车，交流电机传动，有控制转速的控制器。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。