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中文摘要：
提出一种新的控制开关功率变换器的调制技术：双脉冲跨周期调制（dual pulse skipping modulation,DPSM）技术。不同于脉冲跨周期调制（pulse skipping modulation,PSM）技术采用单控制脉冲实现输出稳压,DPSM技术把单控制脉冲扩展为双控制脉冲,可克服PSM控制的开关功率变换器存在较大输出电压纹波的缺点。以工作在断续导电模式（discontinuous conduction mode,DCM）下的Buck变换器为例,说明DPSM技术的工作原理和控制规律。仿真和实验结果表明,有着良好瞬态性能的DPSM Buck变换器与PSMBuck变换器相比具有较低输出纹波,与脉冲序列（pulsetrain,PT）控制Buck变换器相比具有较宽的负载可调范围。
英文摘要：
Dual pulse skipping modulation （DPSM）, a novel modulation technique for the control of switching power converter was proposed. Unlike pulse skipping modulation （PSM） technique realizing the output voltage regulation by unique control pulse, DPSM technique extends unique control pulse to dual control pulse, and thus overcomes the drawback of relatively large output voltage ripple of switching power converters governed by PSM. Buck converter operating in discontinuous conduction mode （DCM） is taken as an example to explain the operation principle and control laws of DPSM technique. Simulation and experimental results are presented to indicate that DPSM buck converter, with favorable transient performance, has much lower output ripple than PSM buck converter and much wider load adjustable range than pulse train （PT） controlled buck converter.
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