首页> 外文会议>2000 International Conference on Power System Technology >MODELING AND DESIGN OF FUZZY SPEED CONTROLLER FOR CONSTANT FREQUENCY ZERO CURRENT SWITCHED CONVERTER FED DC SERVO MOTOR FOR BATTERY OPERATED VEHICLES
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MODELING AND DESIGN OF FUZZY SPEED CONTROLLER FOR CONSTANT FREQUENCY ZERO CURRENT SWITCHED CONVERTER FED DC SERVO MOTOR FOR BATTERY OPERATED VEHICLES

机译:电池整车零频电流开关变换器直流伺服电动机模糊速度控制器的建模与设计。

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A new method of speed control of DC motors using Pulse Width Modulation (PWM) based Quasi-Resonant (QR) Zero current Switching (ZCS) DC to DC converters is proposed. This control minimizes the switching losses, eliminates Electro Magnetic Interference (EMI), and improves efficiency and commutation capability of the motor. The speed control is achieved by controlling the free wheeling period of the resonant inductor of Quasi-Resonant Converter (QRC). A Half Wave (HW) Constant Frequency (CF) ZCS converter exhibits a nonlinear relationship between its ON time and average output voltage. Hence, a fuzzy speed controller is designed to get better performance under load conditions. The software package PSPICE A/D is used for simulation.
机译:提出了一种基于脉宽调制(PWM)的准谐振(QR)零电流开关(ZCS)DC-DC转换器的直流电动机速度控制的新方法。该控制可最大程度地减少开关损耗,消除电磁干扰(EMI),并提高电动机的效率和换向能力。通过控制准谐振转换器(QRC)的谐振电感的续流周期来实现速度控制。半波(HW)恒定频率(CF)ZCS转换器在其导通时间和平均输出电压之间表现出非线性关系。因此,设计了模糊速度控制器以在负载条件下获得更好的性能。 PSPICE A / D软件包用于仿真。

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