基于CPLD的单体泵高速电磁阀升压电路的设计与实现

Vehicle Engine(2012)

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Abstract
论述了一种基于CPLD的单体泵高速电磁阀升压电路的设计,分析了电磁阀驱动的工程需求,提出了一种改进的Boost电路,并结合CPLD可编程逻辑的控制策略进行了仿真和试验。电路采用逐次比较的升压方式结合CPLD逻辑进行脉宽调制,并把升压过程和喷射过程分开。试验结果表明,电路满足高速电磁阀的驱动要求,可增强系统稳定性,降低功耗。
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Key words
unit pump,boost circuit,programmable logic,solenoid valve
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