{"id":2113,"date":"2024-06-10T18:40:05","date_gmt":"2024-06-10T10:40:05","guid":{"rendered":"https:\/\/jianwei.fun\/?p=2113"},"modified":"2024-06-10T18:46:01","modified_gmt":"2024-06-10T10:46:01","slug":"foc%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e4%ba%94%ef%bc%89-svpwm%e6%89%87%e5%8c%ba%e5%88%a4%e6%96%ad","status":"publish","type":"post","link":"https:\/\/jianwei.fun\/?p=2113","title":{"rendered":"FOC\u5b66\u4e60\u7b14\u8bb0\uff08\u516d\uff09—–SVPWM\u6247\u533a\u5224\u65ad"},"content":{"rendered":"\n

\u4e00\u3001\u7406\u8bba\u5206\u6790<\/strong><\/p>\n\n\n\n

\u5728\u53cdPark\u53d8\u6362<\/a>\u4e00\u8282\u6211\u4eec\u77e5\u9053\uff0c\u7ecf\u8fc7\u53cdPark\u53d8\u6362\u4e4b\u540e\uff0c\u6211\u4eec\u5f97\u5230U\u03b1\u548cU\u03b2\u5982\u4e0b\uff0c\u53ef\u80fd\u4f1a\u6709\u4eba\u6709\u7591\u95ee\uff0c\u6709Clark\u53d8\u6362\uff0cPark\u53d8\u6362\uff0c\u53cdPark\u53d8\u6362\uff0c\u600e\u4e48\u5c31\u662f\u6ca1\u6709\u53cdClark\u53d8\u6362\u5462\uff1f\u5176\u5b9e\u53cdClark\u53d8\u6362\u76f8\u5f53\u4e8e\u96c6\u6210\u5230SVPWM\u91cc\u9762\u4e86\uff0c\u63a5\u4e0b\u6765\u6211\u4eec\u6765\u5206\u6790\uff1a<\/p>\n\n\n\n

Calrk\u53d8\u6362\u662f\u4e09\u76f8\u5230\u4e24\u76f8\u7684\u53d8\u6362\uff0cIa,Ib,Ic\u7ecf\u8fc7Clark\u53d8\u6362\u4e4b\u540e\u5f97\u5230I\u03b1\u548cI\u03b2\uff0c\u6240\u4ee5\u8fd9\u91cc\u53cdClark\u53d8\u6362\u5e94\u8be5\u662f\u4e24\u76f8\u5230\u4e09\u76f8\u7684\u53d8\u6362\uff0cU\u03b1\u548cU\u03b2\u53d8\u6362\u5f97\u5230Ua\uff0cUb\uff0cUc\u3002\u8fd9\u91cc\u6211\u4eec\u53cd\u8fc7\u6765\u770b\uff0c\u56e0\u4e3a\u6211\u4eec\u77e5\u9053\u7535\u673a\u6b63\u5e38\u8f6c\u52a8\u65f6\u4e09\u76f8\u76f8\u7535\u538b\u7684\u60c5\u51b5\u7684\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n

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

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

\u5e26\u5165\u540e\u7ecf\u8fc7\u5408\u5e76\u8ba1\u7b97\uff1a<\/p>\n\n\n

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

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\u5230\u8fd9\u91cc\u603b\u4e4b\u6211\u4eec\u662f\u5f97\u5230\u4e86\u4e00\u4e2a\u770b\u8d77\u6765\u5f88\u7b80\u5355\u7684\u7ed3\u679c<\/p>\n\n\n\n

\u628a\u7ed3\u679c\u5355\u72ec\u63d0\u53d6\u51fa\u6765\u5982\u4e0b\uff1a<\/p>\n\n\n

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

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

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

\u8fd9\u91cc\u5c31\u9047\u5230\u4e00\u70b9\u5c0f\u95ee\u9898\uff0c\u53ef\u4ee5\u770b\u5230\u8981\u8fdb\u884c\u8ba1\u7b97\u03b8\u8981\u8fdb\u884c\u53cd\u6b63\u5207\u7684\u8fd0\u7b97\uff0c\u8fd9\u5bf9MCU\u6765\u8bf4\u662f\u707e\u96be\uff0c\u6b64\u8fd0\u7b97\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u5f88\u9ad8\uff0cMCU\u8ba1\u7b97\u538b\u529b\u6709\u70b9\u5927\uff0c\u6240\u4ee5\u6211\u4eec\u80fd\u4e0d\u80fd\u627e\u4e00\u4e2a\u9000\u800c\u6c42\u5176\u6b21\u7684\u65b9\u6cd5\u5462\uff0c\u901a\u8fc7\u4eba\u4e3a\u7684\u7ee7\u7eed\u63a8\u5bfc\u4e00\u6b65\uff0c\u6765\u51cf\u5c11MCU\u7684\u8ba1\u7b97\u538b\u529b\uff0c\u662f\u6709\u7684\uff1a<\/p>\n\n\n\n

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

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\u63a5\u4e0b\u6765\u6211\u4eec\u5206\u6790\uff1a<\/p>\n\n\n\n

\u7b2c\u4e00\u6247\u533a\uff1a<\/strong><\/p>\n\n\n\n

\u4ece\u6ce2\u5f62\u56fe\u53ef\u4ee5\u770b\u5f97\u51fa\u6765\uff0c\u5728\u7b2c\u4e00\u6247\u533a\u5185\uff0cU\u03b1\u548cU\u03b2\u90fd\u5927\u4e8e0\u3002\u53e6\u5916\uff0c\u7b2c\u4e00\u6247\u533a\u7684\u89d2\u5ea6\u8303\u56f4\u662f0-60\u5ea6\uff0c\u6240\u4ee5\u7b2c\u4e00\u6247\u533a\u7684\u89d2\u5ea6\u6b63\u5207\u503ctan(\u03b8)\u7684\u8303\u56f4\u662f\uff1a0<tan(\u03b8)<sqrt(3)\u3002\u53730<U\u03b2\/U\u03b1<sqrt(3)\uff0c\u7531\u4e8eU\u03b1>0\uff0c\u6240\u4ee5\u4e0d\u7b49\u5f0f\u4e24\u8fb9\u540c\u65f6\u4e58\u4ee5U\u03b1\uff0c\u4e0d\u7b49\u5f0f\u4e0d\u53d8\u53f7\uff1a\u5373sqrt(3)U\u03b1 – U\u03b2 > 0\uff0c\u4e24\u8fb9\u90fd\u4e58\u4ee51\/2\uff0c\u4e0d\u7b49\u5f0f\u4e0d\u53d8\u53f7\uff0c\u5373\uff1a(sqrt(3)U\u03b1 – U\u03b2)\/2 > 0\u3002\u4e3a\u4ec0\u4e48\u8981\u4e58\u4ee51\/2\uff1f\u56e0\u4e3a\u8fd9\u4e2a\u503c\u5f88\u7279\u6b8a\uff0c\u5728\u77e2\u91cf\u4f5c\u7528\u65f6\u95f4\u7684\u8ba1\u7b97\u4e2d\u4e5f\u8981\u7528\u5230\u5b83\uff0c\u6240\u4ee5\u6211\u4eec\u8fd9\u91cc\u4fdd\u6301\u4e00\u81f4\uff0c\u628a\u8fd9\u4e2a\u53d8\u91cf\u4fdd\u5b58\u4e0b\u6765\uff0c\u591a\u6b21\u5229\u7528\uff0c\u907f\u514d\u91cd\u590d\u8fd0\u7b97\u3002\u518d\u8ba1\u7b97\u4e00\u4e2a\u7279\u6b8a\u503c\uff1a(-sqrt(3)U\u03b1 – U\u03b2)\/2\uff0c\u56e0\u4e3aU\u03b1\u548cU\u03b2\u5747\u5927\u4e8e\u96f6\uff0c\u8fd9\u91cc\u524d\u9762\u7cfb\u6570\u53c8\u90fd\u4e3a\u8d1f\uff0c\u6240\u4ee5\u8fd9\u4e2a\u591a\u9879\u5f0f\u5fc5\u7136\u5c0f\u4e8e0\u3002<\/p>\n\n\n\n

\u6240\u4ee5\u7ed3\u8bba\u662f\uff1a\u5728\u7b2c\u4e00\u6247\u533a\uff1a\u2460U\u03b2 > 0\uff0c\u2461(sqrt(3)U\u03b1 – U\u03b2)\/2 > 0\uff0c\u2462(-sqrt(3)U\u03b1 – U\u03b2)\/2 < 0\u3002<\/p>\n\n\n\n

\u6211\u4eec\u628a\u2460\u8bb0\u4f5cA\uff0c\u2461\u8bb0\u4f5cB\uff0c\u2462\u8bb0\u4f5cC\uff0c\u540c\u7406\u8ba1\u7b97\u51fa\u5176\u4ed6\u4e94\u4e2a\u6247\u533a\u7684A\uff0cB\uff0cC\u5982\u4e0b\uff1a<\/p>\n\n\n

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

\u5982\u56fe\u53f3\u8fb9\u4e09\u5217\u662f\u6700\u7ec8\u7684\u5b9a\u6027\u5206\u6790\u7ed3\u679c\uff0c\u53ef\u4ee5\u770b\u5230\u6bcf\u4e2a\u6247\u533a\u90fd\u4e0d\u4e00\u6837\uff0c\u6240\u4ee5\u6211\u4eec\u53ea\u9700\u8981\u5bf9A\uff0cB\uff0cC\u8fdb\u884c\u5927\u4e8e\u5c0f\u4e8e0\u7684\u5224\u65ad\u5c31\u53ef\u4ee5\u786e\u5b9a\u6247\u533a\u3002<\/p>\n\n\n\n

\u8fd9\u91cc\u63d0\u4f9b\u4e00\u4e2a\u516c\u5f0fN = 4C + 2B + A\uff0c\u5f97\u5230\u4e00\u4e2aN\u503c\uff0c\u5176\u4e2dA\u7684\u503c\u662f\uff1a\u82e5A>0\u5219A = 1\uff0c\u5426\u5219A = 0\uff0cB\uff0cC\u540c\u7406\u3002\u53ef\u4ee5\u53d1\u73b0\u8fd9\u5176\u5b9e\u5c31\u662f8421\u7801\u7684\u7f16\u7801\u65b9\u5f0f\uff0c\u53ea\u4e0d\u8fc7\u8fd9\u91cc\u53ea\u6709\u4e09\u4f4d\u7f16\u7801\u800c\u5df2\uff0c\u6211\u613f\u79f0\u4e4b\u4e3a421\u7f16\u7801\u3002\u8ba1\u7b97\u51fa\u6765\u4e00\u4e2aN\u503c\u4e4b\u540e\uff0cN\u503c\u5c31\u548c\u6247\u533a\u53f7I~VI\u5177\u6709\u4e00\u4e00\u5bf9\u5e94\u5173\u7cfb\u3002\u8fd9\u91cc\u76f4\u63a5\u7ed9\u51fa\u7ed3\u8bba\uff0c\u4e5f\u53ef\u4ee5\u81ea\u5df1\u8ba1\u7b97\u3002<\/p>\n\n\n

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

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\u4e8c\u3001Matlab\u4eff\u771f<\/strong><\/p>\n\n\n\n

\u521b\u5efa\u4e00\u4e2aSVPWM\u5b50\u6a21\u5757\uff0c\u6211\u8fd9\u91cc\u662f\u5df2\u7ecf\u8fc7\u4e86\u5b8c\u6574\u7684SVPWM\u6a21\u5757\u4eff\u771f\uff0c\u6211\u4eec\u8fd9\u91cc\u53ea\u770b\u6247\u533a\u5224\u65ad\u90e8\u5206\u5c31\u597d\uff0c\u8fd9\u91cc\u770b\u5230SVPWM\u6a21\u5757\u4f1a\u8f93\u51fa\u6247\u533a\u53f7\uff1a<\/p>\n\n\n\n

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

\u6253\u5f00SVPWM\u6a21\u5757\u770b\u4e00\u4e0b\u5185\u90e8\u4ee3\u7801\uff1a<\/p>\n\n\n\n

function[Tcmp1,Tcmp2,Tcmp3,Sector] = fcn(Ualpha,Ubeta,Udc,Tpwm)\n\n%=============Initial========================\nN = single(0);\nTcmp1 = single(0);\nTcmp2 = single(0);\nTcmp3 = single(0);\n%=============A B C statement================\nA = Ubeta;\nB = (sqrt(3) * Ualpha - Ubeta)\/2;\nC = (-sqrt(3) * Ualpha - Ubeta)\/2;\n%============Sector Judgment=================\nif(A > 0)\n    N = single(1);\nend\nif(B > 0)\n    N = N + single(2);\nend\n\nif(C > 0)\n    N = N + single(4);\nend\n\nswitch(N)\n    case 1\n        Sector = 2;\n    case 2\n        Sector = 6;\n    case 3\n        Sector = 1;\n    case 4\n        Sector = 4;\n    case 5\n        Sector = 3;\n    otherwise\n        Sector = 5;\nend\n<\/code><\/pre>\n\n\n\n
\u53ef\u4ee5\u770b\u5230\u5185\u90e8\u7684\u8ba1\u7b97\u5b9e\u9645\u4e0a\u548c\u6211\u4eec\u7684\u7406\u8bba\u5206\u6790\u662f\u5b8c\u5168\u4e00\u81f4\u7684\uff0c\u8fdb\u884cABC\u7684\u8ba1\u7b97\u7136\u540e\u8fdb\u884c\u6247\u533a\u53f7\u7684\u5217\u8868\u5bf9\u5e94\u8fd4\u56de\u6247\u533a\u53f7\u3002<\/p>\n\n\n\n
\u8fd0\u884c\u4e4b\u540e\u67e5\u770bSector\u8f93\u51fa\uff0c\u53ef\u4ee5\u770b\u5230\u6247\u533a\u53f7\u8fd4\u56de\u7b26\u5408\u6211\u4eec\u9884\u671f\uff0c1-6\u5faa\u73af\u5207\u6362\u3002<\/p>\n\n\n
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\"\"<\/a><\/figure><\/div>\n\n\n
\u4e09\u3001\u786c\u4ef6\u5e73\u53f0\u5b9e\u73b0<\/strong><\/p>\n\n\n\n
\u51fd\u6570\u6e90\u7801\uff1a<\/p>\n\n\n\n
\/*\u6839\u636eUalpha\u548cUbeta\u5224\u65ad\u5f53\u524d\u6247\u533a*\/\nSectorJudgement_t getSectorNumber(AlphaBetaCoord_t uAlphaBeta)\n{\n    SectorJudgement_t SectorStructure_temp;\n    \/*\u6247\u533a\u5224\u65ad\u6570\u636eN\u6e05\u96f6\uff0c\u9632\u6b62\u968f\u8c03\u7528\u6b21\u6570\u4e0d\u65ad\u7d2f\u52a0*\/\n    SectorStructure_temp.mu8_SectorJudgement_N = 0;\n    \/*\u8ba1\u7b97\u6247\u533a\u5224\u65ad\u4e2d\u95f4\u53d8\u91cfABC*\/\n    SectorStructure_temp.mf_SectorJudgement_A = uAlphaBeta.mf_Beta;\n    SectorStructure_temp.mf_SectorJudgement_B = (1.7320508 * uAlphaBeta.mf_Alpha - uAlphaBeta.mf_Beta);\n    SectorStructure_temp.mf_SectorJudgement_C = (-1.7320508 * uAlphaBeta.mf_Alpha - uAlphaBeta.mf_Beta);\n    \/*\u7531\u4e2d\u95f4\u53d8\u91cfABC\u6839\u636e\u516c\u5f0fN=A+2B+4C\u8ba1\u7b97N\u503c*\/\n    if(SectorStructure_temp.mf_SectorJudgement_A > 0)\n    {\n        SectorStructure_temp.mu8_SectorJudgement_N += 1;\n    }\n    if(SectorStructure_temp.mf_SectorJudgement_B > 0)\n    {\n        SectorStructure_temp.mu8_SectorJudgement_N += 2;\n    }\n    if(SectorStructure_temp.mf_SectorJudgement_C > 0)\n    {\n        SectorStructure_temp.mu8_SectorJudgement_N += 4;\n    }\n    \n    \/*\u7531N\u503c\u901a\u8fc7\u67e5\u8868\u6cd5\u67e5\u51fa\u6247\u533a\u53f7*\/\n    if(SectorStructure_temp.mu8_SectorJudgement_N > 0 && SectorStructure_temp.mu8_SectorJudgement_N <= SECTOR_NUM)\n        SectorStructure_temp.me_Sector = e_SectorIndex[SectorStructure_temp.mu8_SectorJudgement_N];\n    \/*N\u503c\u4e0d\u5408\u6cd5*\/\n    else\n        SectorStructure_temp.me_Sector = SECTOR_ERROR;\n    \n    return SectorStructure_temp;\n}<\/code><\/pre>\n\n\n\n
\u6570\u636e\u7ed3\u6784\uff1a<\/p>\n\n\n\n
\/*\u6247\u533a\u53f7\u679a\u4e3e*\/\ntypedef enum\n{\n  SECTOR_ERROR = 0,\n  SECTOR_1,\n  SECTOR_2,\n  SECTOR_3,\n  SECTOR_4,\n  SECTOR_5,\n  SECTOR_6\n}SectorNum_e;\n\n\/*\u6247\u533a\u5224\u65ad\u76f8\u5173\u7ed3\u6784\u4f53*\/\ntypedef struct\n{\n  float         mf_SectorJudgement_A;\n  float         mf_SectorJudgement_B;\n  float         mf_SectorJudgement_C;\n  uint8_t       mu8_SectorJudgement_N;\n  SectorNum_e   me_Sector;\n}SectorJudgement_t;\n\ntypedef struct\n{\n  float mf_Alpha;\n  float mf_Beta;\n\n}AlphaBetaCoord_t;<\/code><\/pre>\n\n\n\n
\u8fd0\u884c\u67e5\u770b\u8f93\u51fa:<\/p>\n\n\n
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\"\"<\/a><\/figure><\/div>\n\n\n
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