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Abstract: In this paper the SIMULINK model of a PWM controlled DC-DC
converter is modeled using switching function concept to control the speed of the
DC motor. The presence of the voltage oscillation cycles due to higher switching
frequency in
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0下载：
Abstract: In this paper the SIMULINK model of a PWM controlled DC-DC
converter is modeled using switching function concept to control the speed of the
DC motor. The presence of the voltage oscillation cycles due to higher switching
frequency in
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0下载：
Abstract: In this paper the SIMULINK model of a PWM controlled DC-DC
converter is modeled using switching function concept to control the speed of the
DC motor. The presence of the voltage oscillation cycles due to higher switching
frequency in
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本次课程设计利用软件定时方式采用Intel 8255A可编程外设接口芯片唐都TD-PITC 实验系统上模拟直流电动机闭环调速系统，A/D转换器实现模拟信号到数字信号的转换，设置电机转速的给定值，通过PWM方式可实现电机转速的调节，LED灯显示电机转速的大小状态。-The curriculum design using software timing mode analog closed-loop DC motor speed control system on the Intel 8255A p
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this is good vedio of pulse width modulation
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本设计是以TI公司的MSP430G2553和LDC1000芯片为核心设计的一个金属物体探测定位器。采用MSP430G2553单片机作为系统控制处理器，LDC1000电感/数字转换器评估板作为金属物体探头对硬币及铁环进行探测，当检测到硬币或铁环时单片机通过反馈信息控制小车不动而实现定位。同时，运用PWM直流电机调速技术，完成对小车运动速度和运动方向的控制，并用蜂鸣器和发光二极管进行声-光显示是否探测到硬币或铁环。整机使用单电源同时对电机部分、芯片部分、显示部分进行供电。-The design is
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