查询词典 motor control

Convention V-belt Continuously Variable Transmission, shifts gears the travel mechanism property fixed constraint, unable full into full play initiative control advantage, to engine and Transmission on the go to hold optimum match, Also takes into consideration acceleration and fuel consumption performance, so this paper research Motorcycles with an Electronically-Controlled Continuously Variable Transmission shift gears planning, to use motor power screw, we shall revolve motion changes rectilinear motion, to push driving sheaves achieved to change speed ratio; Comparison between analysis convention CVT speed ratio shift gears curves of acceleration and fuel consumption performance optimum curves, use engine can hold high performance output or low fuel consumption region run.

中文摘要传统皮带式无段变速器(Continuously Variable Transmission， CVT)，换档行程由於机械特性的限制，无法完全发挥主动控制的优点，让引擎与变速器随时保持在最佳的匹配状态，同时顾及加速性能与燃油消耗，所以本文主要研究机车用电子控制式无段变速系统(Electronically Controlled Continuously Variable Transmission， ECVT)最佳换档规划，利用马达与动力螺杆，将旋转运动改变为直线运动，以推动主动滑轮达到改变减速比；分析传统CVT减速比换档曲线与最佳化曲线之加速性能及燃油消耗比较，使引擎能够保持较高性能输出或较低油耗区间运转。

Development of final , subsequently rectilinear electric motor, I have been described an once simplely in by system in numerical control machine tool moving forward.

最后，随着直线电动机的发展，我在数控机床的进给系统中简单的描述了一下。

Indnction motor ; Adaptive genetic algorithm ; PID parameter redressal ; Vector oriented control

受生物进化启示发展而来的遗传算法作为求解最优解有效手段为控制系统中PID参数的优化提供了一个新的途径，无

The invention concerns a vibration damping device comprising an element converting mechanical energy into electrical power mounted on a base designed to be fixed on a structure to be damped. Said converting element comprises an electrodynamic motor including a coil (20) mechanically connected to the base (1) and a magnetic circuit suspended by at least a spring (22), and the coil (20) is coupled with an electric charge having a resistive component and it includes a control device for varying the value of said resistive component based on at least two values.

本发明涉及一减震装置，所述装置包括一种把机械能转换为电能的能量转换装置，所述装置可安装在待减震结构的底座上，其特征在于，所述转换装置包括一电动机，所述电动机有一线圈(20)及一磁路，所述线圈采用机械方式连接底座(1)，所述磁路通过至少一根弹簧(22)悬置着，线圈(20)耦合着一具有一电阻元件的电载荷，并具有一控制装置，用于按至少两个值来改变所述电阻元件的阻值。

Glue low cost, the total set of equipment used right-angle gear motor drive, control frequency synchronization.

其优点胶水成本低，整套设备采用了直角齿轮电机传动，变频同步控制。

Electric machinery ; Permanent magnet synchronous motor ; Direct torque control ; Ripple torque ; Fuzzy modulating

电机；永磁同步电机；直接转矩控制；脉动转矩；模糊调节

SVPWM based on the realization of the permanent magnet synchronous motor simulation, simulation results than traditional direct torque control torque ripple small, fast response, good robustness.

详细说明：实现了基于SVPWM的永磁同步电机仿真，仿真结果比传统直接转矩控制转矩脉动小，响应快，鲁棒性好。

An optional feature allows for current limitation at start up to protect surrounding equipment, which can come in handy for things such as improving the life of a battery pack in a medical respirator, while the internal current ripple control minimizes increases in motor heat.

一项在启动后限制电流以保护周边设备可选功能是很有用途的，例如用内部电流脉冲将电动机散发的热量控制在最小以增加医疗呼吸机的寿命。

The torque ripple in direct torque control system of permanent magnet synchronous motor is analyzed. To decrease the torque ripple in PMSM DTC, a PMSM DTC system based on the strategy of modulating the time of voltage vector is proposed .

讨论了永磁同步电机直接转矩控制转矩脉动问题，针对永磁同步电机直接转矩控制存在较大脉动转矩的缺点，提出了一种模糊调节电压矢量作用时间的永磁同步电机直接转矩控制策略。

AT89C51 single-chip microcomputer is used as the test and control core of the intelligent robot in this design,which detects the black line and barrier on the surface of road with infrared photoelectric sensor,and detects iron piece beneath the surface of road with metal sensor,and measures range with photoelectric yard measure,tests and judges the garage position with photoresistor,and also dynamically controls rotating direction and speed of motor by PWM(Pulse-Width Modulation) technique.

本设计以AT89C51单片机作为智能机器人的检测和控制核心，采用红外光电传感器检测路面黑线及障碍物，使用金属传感器检测路面下金属铁片，应用光电码盘测距，用光敏电阻检测、判断车库位置，利用PWM技术动态控制电动机的转动方向和转速。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。