鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫寸恫(w菐ng)
鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺
銆�銆�鑴堝瑾�(di脿o)鍒讹紙Pulse Width Modulation绨＄ūPWM锛夋槸闈犳敼璁婅剤娌栧搴︿締鎺у埗杓稿嚭闆诲锛岄�氶亷鏀硅畩鍛ㄦ湡渚嗘帶鍒跺叾杓稿嚭闋荤巼銆傝�岃几鍑洪牷鐜囩殑璁婂寲鍙�氶亷鏀硅畩姝よ剤娌栫殑瑾�(di脿o)鍒跺懆鏈熶締瀵�(sh铆)鐝�(xi脿n)銆傞�欐ǎ锛屼娇瑾�(di脿o)澹撳拰瑾�(di脿o)闋诲叐鍊�(g猫)浣滅敤閰嶅悎涓�鑷�锛屼笖浜庝腑闁撶洿娴佺挵(hu谩n)绡�(ji茅)鐒￠棞(gu膩n)锛屽洜鑰屽姞蹇簡瑾�(di脿o)绡�(ji茅)閫熷害锛屾敼鍠勪簡鍕�(d貌ng)鎱�(t脿i)鎬ц兘銆傜敱浜庤几鍑虹瓑骞呰剤娌栧彧闇�鎭掑畾鐩存祦闆绘簮渚涢浕锛屽彲鐢ㄤ笉鍙帶鏁存祦鍣ㄥ彇浠ｇ浉鎺ф暣娴佸櫒锛屼娇闆荤恫(w菐ng)鍋�(c猫)鐨勫姛鐜囧洜鏁�(sh霉)澶уぇ鏀瑰杽銆傚埄鐢≒WM閫嗚畩鍣ㄨ兘澶犳姂鍒舵垨娑堥櫎浣庢璜ф尝銆傚姞涓婁娇鐢ㄨ嚜闂�(gu膩n)鏂峰櫒浠�锛岄枊闂�(gu膩n)闋荤巼澶у箙搴︽彁楂橈紝杓稿嚭娉㈠舰鍙互闈炲父鎺ヨ繎姝ｅ鸡娉�銆�
銆�銆�1. 鍙互寰楀埌鐩哥暥(d膩ng)鎺ヨ繎姝ｅ鸡娉㈢殑杓稿嚭闆诲
銆�銆�2. 鏁存祦闆昏矾閲囩敤浜屾サ绠�锛屽彲鐛插緱鎺ヨ繎1鐨勫姛鐜囧洜鏁�(sh霉)
銆�銆�3. 闆昏矾绲�(ji茅)妲�(g貌u)绨″柈
銆�銆�4. 閫氶亷灏嶈几鍑鸿剤娌栧搴︾殑鎺у埗鍙敼璁婅几鍑洪浕澹�锛屽姞蹇簡璁婇牷閬庣▼鐨勫嫊(d貌ng)鎱�(t脿i)闊挎噳(y墨ng)
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銆�銆�鍦ㄩ噰妯ｆ帶鍒剁悊璜栦腑鏈変竴鍊�(g猫)閲嶈鐨勭祼(ji茅)璜�锛屽嵆娌栭噺鐩哥瓑鑰屽舰鐙�涓嶅悓鐨勭獎鑴堟矕鍔犲湪鍏锋湁鎱ｆ�х殑鐠�(hu谩n)绡�(ji茅)涓�锛屽叾鏁堟灉鍩烘湰鐩稿悓銆傛矕閲忔棦鎸囩獎鑴堟矕鐨勯潰绌�銆傞�欓噷鎵�瑾殑鏁堟灉鍩烘湰鐩稿悓銆傛槸鎸囪┎鐠�(hu谩n)绡�(ji茅)鐨勮几鍑洪熆鎳�(y墨ng)娉㈠舰鍩烘湰鐩稿悓銆傚鎶婂悇杓稿嚭娉㈠舰鐢ㄥ倕閲岃憠璁婃彌鍒嗘瀽锛屽墖瀹冨�戠殑浣庨牷娈电壒鎬ч潪甯告帴杩�锛屽儏鍦ㄩ珮闋绘鐣ユ湁宸暟銆�
銆�銆�鏍规摎(j霉)涓婇潰鐞嗚珫鎴戝�戝氨鍙互鐢ㄤ笉鍚屽搴︾殑鐭╁舰娉締浠ｆ浛姝ｅ鸡娉�锛岄�氶亷灏嶇煩褰㈡尝鐨勬帶鍒朵締妯℃摤杓稿嚭涓嶅悓闋荤巼鐨勬寮︽尝銆�
銆�銆�渚嬪锛屾妸姝ｅ鸡鍗婃尝娉㈠舰鍒嗘垚N绛変唤锛屽氨鍙妸姝ｅ鸡鍗婃尝鐪嬫垚鐢盢鍊�(g猫)褰兼鐩搁�ｇ殑鑴堟矕鎵�绲勬垚鐨勬尝褰��傞�欎簺鑴堟矕瀵害鐩哥瓑锛岄兘绛変簬 鈭忥紡n 锛屼絾骞呭�间笉绛�锛屼笖鑴堟矕闋傞儴涓嶆槸姘村钩鐩寸窔锛岃�屾槸鏇茬窔锛屽悇鑴堟矕鐨勫箙鍊兼寜姝ｅ鸡瑕�(gu墨)寰嬭畩鍖栥�傚鏋滄妸涓婅堪鑴堟矕搴忓垪鐢ㄥ悓妯ｆ暩(sh霉)閲忕殑绛夊箙鑰屼笉绛夊鐨勭煩褰㈣剤娌栧簭鍒椾唬鏇�锛屼娇鐭╁舰鑴堟矕鐨勪腑榛�(di菐n)鍜岀浉鎳�(y墨ng)姝ｅ鸡绛夊垎鐨勪腑榛�(di菐n)閲嶅悎锛屼笖浣跨煩褰㈣剤娌栧拰鐩告噳(y墨ng)姝ｅ鸡閮ㄥ垎闈㈢⿳锛堝嵆娌栭噺锛夌浉绛�锛屽氨寰楀埌涓�绲勮剤娌栧簭鍒楋紝閫欏氨鏄疨WM娉㈠舰?锛熸ⅱ閽ラ棷?锛屽悇鑴堟矕瀵害鏄寜姝ｅ鸡瑕�(gu墨)寰嬭畩鍖栫殑銆傛牴鎿�(j霉)娌栭噺鐩哥瓑鏁堟灉鐩稿悓鐨勫師鐞嗭紝PWM娉㈠舰鍜屾寮﹀崐娉㈡槸绛夋晥鐨�銆傚皪浜庢寮︾殑璨�(f霉)鍗婂懆锛屼篃鍙互鐢ㄥ悓妯ｇ殑鏂规硶寰楀埌PWM娉㈠舰銆�
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