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\"\"<\/figure><\/div>\n\n\n

Tx\u548cTy\u53ea\u662f\u975e\u96f6\u77e2\u91cf\u7684\u4f5c\u7528\u65f6\u95f4\u7f62\u4e86\uff0c\u522b\u5fd8\u4e86\u6bcf\u4e2aPWM\u5468\u671f\u8fd8\u6709\u96f6\u77e2\u91cf\u4f5c\u7528\u7684\u65f6\u95f4\u54e6\uff0c\u90a3\u4e48\u96f6\u77e2\u91cf\u4ec0\u4e48\u65f6\u5019\u4f5c\u7528\u554a\uff1f\uff1f\u4e00\u4e2aPWM\u5468\u671f\u521a\u5f00\u59cb\u7684\u65f6\u5019\uff1f\u8fd8\u662f\u7ed3\u675f\u7684\u65f6\u5019\uff1f\u8fd8\u662f\u4e2d\u95f4\uff1f\uff1f\u5b9e\u9645\u4e0a\u96f6\u77e2\u91cf\u7684\u4f5c\u7528\u662f\u5206\u6210\u56db\u6bb5\u5206\u5e03\u4e8e\u6bcf\u4e00\u4e2aPWM\u5468\u671f\u5185\u7684\uff0c\u662f\u4e0d\u662f\u89c9\u5f97\u5f88\u9ebb\u70e6\uff0c\u63a7\u5236\u8d77\u6765\u5c31\u5f88\u590d\u6742\uff0c\u6050\u6016\u5982\u65af\uff0c\u5176\u5b9e\u4e5f\u8fd8\u597d\uff0c\u7ee7\u7eed\u5f80\u4e0b\u8bb2\uff0c\u4e00\u6b65\u4e00\u6b65\u6765\u89e3\u51b3\u3002<\/p>\n\n\n\n

\u8fd9\u91cc\u6211\u4eec\u8003\u8651\u4e00\u4e0b\u5b9e\u9645MOS\u7684\u5f00\u5173\uff0c\u8981\u77e5\u9053MOS\u5f00\u5173\u90fd\u662f\u6709\u5bff\u547d\u7684\uff0c\u6211\u4eec\u5f53\u7136\u8981\u5c3d\u53ef\u80fd\u5c11\u7684\u5f00\u5173\uff0c\u4ee5\u5ef6\u957f\u5bff\u547d\uff0c\u600e\u4e48\u51cf\u5c11\uff1f\u6211\u4eec\u4e0d\u662f\u4f0f\u79d2\u5e73\u8861\u63a7\u5236\u77e2\u91cf\u5408\u6210\u5417\uff0c\u4e0d\u662f\u8981\u4e00\u76f4\u5207\u6362\u4f5c\u7528\u7684\u77e2\u91cf\u5417\uff0c \u4e0d\u5c31\u662f\u4e00\u76f4\u5207\u6362MOS\u7684\u5f00\u5173\u72b6\u6001\u5417\uff0c\u6709\u6ca1\u6709\u4e00\u79cd\u53ef\u80fd\u8fd9\u6837\uff0c\u6211\u4eec\u6bcf\u6b21\u5207\u6362\u4f5c\u7528\u7684\u57fa\u672c\u77e2\u91cf\u7684\u65f6\u5019\uff0c\u53ea\u6709\u4e00\u5bf9MOS\u72b6\u6001\u53d1\u751f\u5207\u6362\uff0c\u4e3e\u4e2a\u4f8b\u5b50\uff1a\u4ece\uff08100\uff09\u5207\u6362\u5230\uff08110\uff09\uff0c\u8fd9\u5176\u4e2d\u5c31\u53ea\u6709b\u76f8\u7684MOS\u4ece\u4e0a\u6865\u81c2\u5bfc\u901a\u5207\u6362\u5230\u4e86\u4e0b\u6865\u81c2\u5bfc\u901a\uff0ca\u548cc\u76f8\u7684MOS\u72b6\u6001\u90fd\u6ca1\u6709\u53d1\u751f\u53d8\u5316\u3002\u5c31\u662f\u8fd9\u4e2a\u610f\u601d\uff0c\u5b9e\u9645\u4e0a\u8fd9\u662f\u5b8c\u5168\u53ef\u80fd\u5b9e\u73b0\u7684\uff0c\u6211\u4eec\u53ea\u9700\u8981\u5408\u7406\u5b89\u6392\u57fa\u672c\u77e2\u91cf\u4f5c\u7528\u7684\u987a\u5e8f\uff0c\u5e76\u628a\u4e24\u79cd\u96f6\u77e2\u91cf\uff08000\uff09\u548c\uff08111\uff09\u5408\u7406\u7684\u63d2\u5165\u5230PWM\u5468\u671f\u91cc\u9762\uff0c\u5c31\u53ef\u4ee5\u4e86\u3002<\/p>\n\n\n\n

\u6211\u8fd9\u91cc\u8fd8\u662f\u4ee5\u7b2c\u4e00\u4e2a\u6247\u533a\u4e3a\u4f8b\uff1a<\/p>\n\n\n\n

\u8fd8\u662f\u770b\u8fd9\u4e2a\u56fe:<\/p>\n\n\n

\n
\"\"<\/a><\/figure><\/div>\n\n\n


\u53ef\u4ee5\u770b\u5230\u7b2c\u4e00\u4e2a\u6247\u533a\u7684\u76f8\u90bb\u77e2\u91cf\u662f\uff08100\uff09\u548c\uff08110\uff09\uff0c\u8fd8\u6709\u4e24\u4e2a\u96f6\u77e2\u91cf\uff08000\uff09\uff08111\uff09\uff0c\u8fd9\u56db\u4e2a\u77e2\u91cf\u5982\u4f55\u6709\u673a\u7684\u6392\u5e03\u624d\u80fd\u4f7f\u5f97\u6bcf\u6b21\u5207\u6362\u53ea\u6709\u4e00\u4e2a\u5bf9\u6865\u81c2\u7684MOS\u53d1\u751f\u5207\u6362\u5462\uff1f<\/p>\n\n\n\n

\uff08000\uff09->\uff08100\uff09->\uff08110\uff09->\uff08111\uff09->\uff08111\uff09->\uff08110\uff09->\uff08100\uff09->\uff08000\uff09<\/p>\n\n\n\n

\u8fd9\u6837\u4e0d\u5c31\u59a5\u4e86\u5417\uff0c\u53ef\u4ee5\u770b\u5230\uff08100\uff09\u548c\uff08110\uff09\u4e24\u4e2a\u975e\u96f6\u77e2\u91cf\u5728\u4e00\u4e2a\u5468\u671f\u91cc\u9762\u5206\u522b\u4f5c\u7528\u4e24\u6b21\uff0c\u96f6\u77e2\u91cf\u4e00\u5171\u4f5c\u7528\u56db\u6b21\u3002\u8fd9\u91cc\u6211\u628a\u6bcf\u4e00\u4e2a\u6247\u533a\u7684\u5207\u6362\u987a\u5e8f\u5217\u51fa\u6765<\/p>\n\n\n\n

\u6247\u533a<\/td>\u5207\u6362\u987a\u5e8f<\/td><\/tr>
I<\/td>\uff08000\uff09->\uff08100\uff09->\uff08110\uff09->\uff08111\uff09->\uff08111\uff09->\uff08110\uff09->\uff08100\uff09->\uff08000\uff09<\/td><\/tr>
II<\/td>\uff08000\uff09->\uff08010\uff09->\uff08110\uff09->\uff08111\uff09->\uff08111\uff09->\uff08110\uff09->\uff08010\uff09->\uff08000\uff09<\/td><\/tr>
III<\/td>\uff08000\uff09->\uff08010\uff09->\uff08011\uff09->\uff08111\uff09->\uff08111\uff09->\uff08011\uff09->\uff08010\uff09->\uff08000\uff09<\/td><\/tr>
IV<\/td>\uff08000\uff09->\uff08001\uff09->\uff08011\uff09->\uff08111\uff09->\uff08111\uff09->\uff08011\uff09->\uff08001\uff09->\uff08000\uff09<\/td><\/tr>
V<\/td>\uff08000\uff09->\uff08001\uff09->\uff08101\uff09->\uff08111\uff09->\uff08111\uff09->\uff08101\uff09->\uff08001\uff09->\uff08000\uff09<\/td><\/tr>
VI<\/td>\uff08000\uff09->\uff08100\uff09->\uff08101\uff09->\uff08111\uff09->\uff08111\uff09->\uff08101\uff09->\uff08100\uff09->\uff08000\uff09<\/td><\/tr><\/tbody><\/table>
\u4e0d\u540c\u6247\u533a\u7684\u57fa\u7840\u77e2\u91cf\u5207\u6362\u987a\u5e8f<\/figcaption><\/figure>\n\n\n\n

\u4e0d\u96be\u53d1\u73b0\uff0c\u6240\u6709\u7684\u77e2\u91cf\u5207\u6362\u987a\u5e8f\u90fd\u662f\u5bf9\u79f0\u7684\uff0c\u5b9e\u9645\u4e0a\u6211\u4eec\u4f7f\u7528STM32\u7684\u5b9a\u65f6\u5668\u6709\u4e00\u79cd\u4e2d\u592e\u5bf9\u5176\u7684\u8ba1\u6570\u6a21\u5f0f\u642d\u914dPWM\u8f93\u51fa\uff0c\u5c31\u53ef\u4ee5\u5b8c\u7f8e\u914d\u5408\u8f93\u51fa\u8868\u683c\u6240\u5217\u51fa\u7684PWM\u6ce2\u5f62\uff0c\u6211\u4eec\u53ea\u9700\u8981\u7ba1\u4e00\u4fa7\u7684\u6ce2\u5f62\u53e6\u4e00\u6b21\u5b9a\u65f6\u5668\u4f1a\u81ea\u52a8\u5e2e\u6211\u4eec\u5b8c\u6210\u3002<\/p>\n\n\n\n

\u8001\u89c4\u77e9\uff0c\u4ee5\u7b2c\u4e00\u4e2a\u6247\u533a\u4e3a\u4f8b\uff0c\u6211\u6839\u636e\u4e0a\u9762\u8868\u683c\u7b2c\u4e00\u884c\uff0c\u628aABC\u4e09\u76f8\u9a71\u52a8MOS\u7684\u6ce2\u5f62\u62c6\u5f00\u7ed8\u5236\u51fa\u6765\u3002<\/p>\n\n\n\n

\u5148\u770ba\u76f8\uff08\u7b2c\u4e00\u4f4d\uff09\uff1a<\/p>\n\n\n\n

0->1->1->1->1->1->1->0<\/p>\n\n\n\n

b\u76f8\uff08\u7b2c\u4e8c\u4f4d\uff09<\/p>\n\n\n\n

0->0->1->1->1->1->0->0<\/p>\n\n\n\n

c\u76f8\uff08\u7b2c\u4e09\u4f4d\uff09<\/p>\n\n\n\n

0->0->0->1->1->0->0->0<\/p>\n\n\n\n

\u7ed8\u5236\u6210\u6ce2\u5f62\u5982\u4e0b\uff1a<\/p>\n\n\n

\n
\"\"<\/a><\/figure><\/div>\n\n\n

\u7531\u4e8e\u5207\u6362\u987a\u5e8f\u662f\u5bf9\u79f0\u7684\uff0c\u6240\u4ee5\u53ef\u4ee5\u770b\u51fa\u4e09\u76f8\u6ce2\u5f62\u4e5f\u662f\u5bf9\u79f0\u7684\uff0c\u5728\u4f7f\u7528STM32\u6216\u8005\u5176\u4ed6\u63a7\u5236\u5668\u7684\u5b9a\u65f6\u5668\u7684\u4e2d\u5fc3\u5bf9\u9f50\u6a21\u5f0f\u7684\u65f6\u5019\uff0c\u6211\u4eec\u53ea\u9700\u8981\u5173\u5fc3\u5bf9\u79f0\u8f74\u5de6\u4fa7\u7684\u6bcf\u4e00\u76f8\u53d1\u751f\u4ece0->1\u7684\u53cd\u8f6c\u7684\u65f6\u95f4\u5c31\u597d\u4e86\uff0c\u5bf9\u79f0\u8f74\u53f3\u8fb9\u5b9a\u65f6\u5668\u81ea\u5df1\u4f1a\u641e\u5b9a\uff0c\u6240\u4ee5\u6211\u4eec\u6765\u8ba1\u7b97\u4e00\u4e0babc\u4e09\u76f8PWMf\u53d1\u751f\u53cd\u8f6c\u7684\u65f6\u95f4Ta\uff0cTb\uff0cTc<\/p>\n\n\n\n

\u9996\u5148\u660e\u786e\u4e00\u4e2aPWM\u5468\u671f\u5185\u6709\u56db\u4e2a\u96f6\u77e2\u91cf\uff0c\u4e24\u4e2a\uff08000\uff09\uff0c\u4e24\u4e2a\uff08111\uff09\uff0c\u8fd9\u4e2a\u4e0a\u9762\u4e5f\u8bf4\u5230\u8fc7\uff0c\u5b9e\u5728\u4e0d\u884c\u770b\u4e00\u4e0b\u4e0a\u9762\u90a3\u5f20\u8868\u5c31\u770b\u5f97\u51fa\u6765\uff0c\u6240\u4ee5\u6bcf\u4e00\u4e2a\u96f6\u77e2\u91cf\u7684\u4f5c\u7528\u65f6\u95f4\u662f\uff08Ts-Tx-Ty\uff09\/ 4\u3002<\/p>\n\n\n\n

\u6240\u4ee5\u6211\u4eec\u6765\u770ba\u76f8\u7684\u6ce2\u5f62\u56fe\uff0c\u53d1\u751f\u53cd\u8f6c\u7684\u65f6\u95f4\u5c31\u662f\u4e00\u4e2a\u96f6\u77e2\u91cf\u4e4b\u540e\uff0c\u6240\u4ee5\u6b64\u65f6Ta = \uff08Ts-Tx-Ty\uff09\/ 4\u3002<\/p>\n\n\n\n

b\u76f8\u6ce2\u5f62\u53d1\u751f\u53cd\u8f6c\u7684\u65f6\u95f4\u662f\u4e00\u4e2a\u96f6\u77e2\u91cf\u4f5c\u7528\u65f6\u95f4\uff0c\u52a0\u4e0a\u4e00\u4e2a\uff08100\uff09\u4f5c\u7528\u65f6\u95f4\uff0c\uff08100\uff09\u4f5c\u7528\u65f6\u95f4\u5728\u7b2c\u4e00\u6247\u533a\u5c31\u662fTx\uff0c\u4f46\u662f\u5728\u4e00\u4e2aPWM\u5468\u671f\u6709\u4e24\u4e2a\uff08100\uff09\u4f5c\u7528\uff0c\u6240\u4ee5\u4e00\u4e2a\uff08100\uff09\u7684\u4f5c\u7528\u65f6\u95f4\u5c31\u662fTx\/2\uff0c\u6240\u4ee5b\u76f8\u53d1\u751f\u53cd\u8f6c\u7684\u65f6\u95f4Tb = \uff08\uff08Ts-Tx-Ty\uff09\/ 4 \uff09+ \uff08Tx \/ 2\uff09 = Ta +\uff08Tx \/ 2\uff09 \u3002<\/p>\n\n\n\n

\u540c\u7406c\u76f8\u53d1\u751f\u53cd\u8f6c\u7684\u65f6\u95f4Tc = Tb + \uff08Ty \/ 2\uff09\u3002<\/p>\n\n\n\n

\u540c\u6837\u9053\u7406\u4ee5\u6b64\u7c7b\u63a8\u5176\u4ed6\u6240\u6709\u6247\u533a\uff0c\u5b9e\u9645\u4e0a\u6240\u6709\u6247\u533a\u5185abc\u76f8MOS\u63a7\u5236\u4fe1\u53f7\u53d1\u751f\u53cd\u8f6c\u7684\u65f6\u95f4\u90fd\u662f\u4ee5\u4e0b\u51e0\u4e2a\u90e8\u5206\u7684\u6392\u5217\u7ec4\u5408\uff1a<\/p>\n\n\n

\n
\"\"<\/a><\/figure><\/div>\n\n\n

\u53ea\u9700\u8981\u6839\u636e\u6247\u533a\u5206\u914d\u597d\u8fd9\u4e09\u4e2a\u91cf\u5c31\u53ef\u4ee5\u5566\u3002\u81f3\u6b64\u6211\u4eec\u5c31\u53ef\u4ee5\u5f97\u5230\u516d\u4e2a\u6247\u533a\u7684\u76f8\u90bb\u77e2\u91cf\u4f5c\u7528\u65f6\u95f4\uff0c\u5176\u4e2d\u7684Ts\u5b9e\u9645\u4e0a\u5c31\u662f\u4e00\u4e2aPWM\u5468\u671f\u5b9a\u65f6\u5668\u8ba1\u4e86\u591a\u5c11\u4e2a\u503c\uff0c\u4f8b\u5982\uff1a\u6211\u7684\u5b9a\u65f6\u5668\u6ea2\u51fa\u503c\u662f8400\uff0c\u4e2d\u592e\u5bf9\u9f50\u6a21\u5f0f\u4e0b\uff0c\u5b9a\u65f6\u5668\u4ece0\u5f80\u4e0a\u8ba1\u6570\u52308400\u7136\u540e\u5f80\u4e0b\u8ba1\u6570\u52300\u4f4d\u4e00\u4e2aPWM\u5468\u671f\uff0c\u6240\u4ee5\u6211\u7684Ts= 16800\uff1b\u8fd9\u91cc\u8ba1\u7b97\u51fa\u6765\u7684Ta,Tb,Tc\uff0c\u5b9e\u9645\u4e0a\u5c31\u662fPWM\u8f93\u51fa\u5b9a\u65f6\u5668\u7684\u4e09\u4e2a\u901a\u9053\u7684\u6bd4\u8f83\u503c\uff0c\u53ef\u4ee5\u76f4\u63a5\u66f4\u65b0\u5230\u5b9a\u65f6\u5668\u6bd4\u8f83\u5bc4\u5b58\u5668\u91cc\u9762\u53bb\uff0c\u5c31\u53ef\u4ee5\u5b8c\u6210\u6240\u9700\u8981\u7684PWM\u8f93\u51fa\u3002<\/p>\n\n\n\n

\u6211\u8fd9\u91cc\u76f4\u63a5\u4f7f\u7528\u4ee3\u7801\u8868\u793a\u4e0d\u540c\u6247\u533a\u7684Ta\uff0cTb\uff0cTc\u7684\u5206\u914d\u89c4\u5f8b\uff1a<\/p>\n\n\n

\n
\"\"<\/a><\/figure><\/div>\n\n\n

\u81f3\u6b64\u6240\u6709\u7684\u76f8\u90bb\u77e2\u91cf\u4f5c\u7528\u65f6\u95f4\u8ba1\u7b97\u5b8c\u6bd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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