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Based on the analysis of the Buck-Boost chopper in continuous conduction mode, sliding mode control strategy is utilized. 分析了升降壓直流斬波電路連續(xù)狀態(tài)下的結(jié)構(gòu)，采用滑動變結(jié)構(gòu)控制方法對其進(jìn)行控制。