{"id":45,"date":"2026-08-12T14:47:27","date_gmt":"2026-08-12T06:47:27","guid":{"rendered":"https:\/\/bmsvr.com\/?p=45"},"modified":"2026-08-12T14:47:27","modified_gmt":"2026-08-12T06:47:27","slug":"stm32-bms-soc-soh-%e4%bc%b0%e7%ae%97%e6%a0%b8%e5%bf%83%e7%ae%97%e6%b3%95%e6%b7%b1%e5%ba%a6%e8%a7%a3%e6%9e%90%ef%bc%9asoc_estimator-c","status":"publish","type":"post","link":"https:\/\/bmsvr.com\/?p=45","title":{"rendered":"STM32 BMS SOC\/SOH \u4f30\u7b97\u6838\u5fc3\u7b97\u6cd5\u6df1\u5ea6\u89e3\u6790\uff1asoc_estimator.c"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">STM32 BMS SOC\/SOH \u4f30\u7b97\u6838\u5fc3\u7b97\u6cd5\u6df1\u5ea6\u89e3\u6790\uff1asoc_estimator.c<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u7bc7\u6587\u7ae0\u5bf9\u5d4c\u5165\u5f0f BMS\uff08\u7535\u6c60\u7ba1\u7406\u7cfb\u7edf\uff09\u56fa\u4ef6\u4e2d <code>Core\/Src\/soc_estimator.c<\/code> \u6e90\u7801\u8fdb\u884c\u9010\u6bb5\u6df1\u5ea6\u89e3\u6790\u3002\u8be5\u6a21\u5757\u57fa\u4e8e SH367601 \u91c7\u6837 AFE \u4e0e STM32F103\uff0c\u662f\u6574\u5757 BMS \u4e2d\u300c\u6700\u89c1\u529f\u529b\u300d\u7684\u6838\u5fc3\u7b97\u6cd5\u5355\u5143\u2014\u2014\u5b83\u56de\u7b54\u4e86\u4e09\u4e2a\u95ee\u9898\uff1a<strong>\u7535\u6c60\u8fd8\u5269\u591a\u5c11\u7535\uff08SOC\uff09\u3001\u7535\u6c60\u7528\u65e7\u4e86\u6ca1\uff08SOH\uff09\u3001\u4ee5\u53ca\u5f53\u524d\u53ef\u7528\u5bb9\u91cf\u662f\u591a\u5c11\uff08soh_capacity_mAh\uff09<\/strong>\u3002\u6211\u4eec\u4e0d\u4ec5\u8bb2\u300c\u5b83\u505a\u4e86\u4ec0\u4e48\u300d\uff0c\u66f4\u8981\u8bb2\u300c\u4e3a\u4ec0\u4e48\u8fd9\u4e48\u505a\u300d\u4ee5\u53ca\u300c\u54ea\u4e9b\u5de5\u7a0b\u7ec6\u8282\u5bb9\u6613\u8e29\u5751\u300d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. \u6587\u4ef6\u603b\u89c8\u4e0e\u8bbe\u8ba1\u54f2\u5b66<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6e90\u7801\u5f00\u5934\u7684\u6ce8\u91ca\u51e0\u4e4e\u662f\u6574\u4e2a\u6a21\u5757\u7684\u7eb2\u9886\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/**\n * SOC \u7b56\u7565\uff1a\u5b89\u65f6\u79ef\u5206\uff08\u4e3b\u5e72\uff09 + OCV \u67e5\u8868\u6821\u51c6\uff08\u5b9a\u671f\u4fee\u6b63\uff09\n * SOH \u7b56\u7565\uff1a\u5bb9\u91cf\u8870\u51cf + \u76f4\u6d41\u5185\u963b\u589e\u957f + \u6e29\u5347\u5f02\u5e38 \u4e09\u6307\u6807\u52a0\u6743\u878d\u5408\n *\/<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bfb\u61c2\u4e86\u8fd9\u4e00\u53e5\uff0c\u5c31\u6293\u4f4f\u4e86\u5168\u7bc7\u7684\u8109\u7edc\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>SOC\uff08\u8377\u7535\u72b6\u6001\uff09<\/strong>\uff1a\u4e3b\u7b97\u6cd5\u662f<strong>\u5b89\u65f6\u79ef\u5206\uff08\u5e93\u4ed1\u8ba1\u6570\uff09<\/strong>\uff0c\u5b83\u5b9e\u65f6\u51c6\u786e\u4f46\u4f1a\u968f\u65f6\u95f4\u6f02\u79fb\uff1b\u56e0\u6b64\u7528<strong>OCV\uff08\u5f00\u8def\u7535\u538b\uff09\u67e5\u8868<\/strong>\u5728\u7279\u5b9a\u65f6\u673a\u53bb\u300c\u7ea0\u504f\u300d\u3002<\/li>\n<li><strong>SOH\uff08\u5065\u5eb7\u72b6\u6001\uff09<\/strong>\uff1a\u5355\u4e00\u6307\u6807\u4e0d\u53ef\u9760\uff0c\u91c7\u7528<strong>\u4e09\u4e2a\u7ef4\u5ea6\u52a0\u6743<\/strong>\u2014\u2014\u5bb9\u91cf\u8870\u51cf\u3001\u76f4\u6d41\u5185\u963b\uff08DCR\uff09\u589e\u957f\u3001\u6e29\u5347\u5f02\u5e38\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u5de5\u4e1a\u754c\u300c\u4fdd\u5b88\u4f46\u7a33\u5065\u300d\u7684\u7ecf\u5178\u7ec4\u5408\uff0c\u5c24\u5176\u9002\u5408 <strong>\u78f7\u9178\u94c1\u9502\uff08LFP\uff09<\/strong> \u7535\u82af\u2014\u2014\u8fd9\u7c7b\u7535\u82af\u7684\u7535\u538b\u5e73\u53f0\u6781\u5e73\uff0c\u5149\u9760\u7535\u538b\u6839\u672c\u7b97\u4e0d\u51fa 20%~80% \u533a\u95f4\u7684 SOC\uff0c\u5fc5\u987b\u4f9d\u8d56\u5b89\u65f6\u79ef\u5206 + \u7aef\u70b9\u6821\u51c6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u5173\u952e\u5b8f\u4e0e\u6570\u636e\u7c7b\u578b\u57fa\u7840<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>#define CLAMP(val, lo, hi)  ((val) < (lo) ? (lo) : (val) > (hi) ? (hi) : (val))\n#define ARRAY_SIZE(arr)     (sizeof(arr) \/ sizeof((arr)[0]))<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>CLAMP<\/code>\uff1a\u6570\u503c\u9650\u5e45\u5b8f\uff0c\u4fdd\u8bc1\u4efb\u4f55\u8ba1\u7b97\u7ed3\u679c\u90fd\u5728 <code>[lo, hi]<\/code> \u533a\u95f4\u5185\u3002\u5168\u7a0b\u51e0\u4e4e\u6bcf\u4e2a\u8f93\u51fa\u90fd\u5957\u4e86\u5b83\uff0c\u907f\u514d\u79ef\u5206\/\u9664\u6cd5\u6ea2\u51fa\u4ea7\u751f\u8352\u8c2c\u503c\u3002<\/li>\n<li><code>ARRAY_SIZE<\/code>\uff1a\u9759\u6001\u6570\u7ec4\u5143\u7d20\u4e2a\u6570\u3002<strong>\u6ce8\u610f<\/strong>\uff1a\u53ea\u5bf9\u300c\u540c\u4e00\u6570\u7ec4\u300d\u5b89\u5168\uff0c\u82e5\u4f20\u5165\u6307\u9488\u4f1a\u5f97\u5230\u9519\u8bef\u7684 sizeof \u503c\u2014\u2014\u8fd9\u4e5f\u662f\u672c\u6587\u540e\u9762\u8981\u63d0\u9192\u7684\u9690\u60a3\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">3. OCV-SOC \u67e5\u8868\uff1aLFP \u4e0e NCM \u4e24\u5957\u66f2\u7ebf<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6a21\u5757\u5185\u7f6e\u4e24\u5f20\u9759\u6001\u67e5\u8868\uff1a<code>ocv_table_lfp[]<\/code>\uff08\u78f7\u9178\u94c1\u9502\uff0c\u9ed8\u8ba4\uff09\u4e0e <code>ocv_table_ncm[]<\/code>\uff08\u4e09\u5143\u9502\uff0c\u5907\u7528\uff09\u3002\u4ee5 LFP \u4e3a\u4f8b\uff0c\u5b83\u7684\u7535\u538b-OCV \u5173\u7cfb\u5177\u6709<strong>\u5f3a\u975e\u7ebf\u6027\u4e0e\u5e73\u53f0\u533a<\/strong>\u7684\u7279\u70b9\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/* \u5145\u7535\u672b\u7aef\uff1a\u7535\u538b\u722c\u5347\u660e\u663e\uff0cOCV \u53ef\u533a\u5206 *\/\n{3650.0f, 100.0f},  \/* 3.65V \u2014 \u6ee1\u5145 *\/\n{3400.0f, 98.0f },\n{3360.0f, 95.0f },  \/* 3.36V \u2014 \u8fdb\u5165\u5e73\u53f0\u533a\u524d *\/\n...\n\/* \u5e73\u53f0\u533a\uff1a\u7535\u538b\u53d8\u5316\u6781\u5c0f\uff0cOCV \u7cbe\u5ea6\u5dee\uff0c\u4e3b\u8981\u9760\u5b89\u65f6\u79ef\u5206 *\/\n{3330.0f, 80.0f },  \/* 3.330V \u2014 \u5e73\u53f0\u533a\u4e0a\u9650 *\/\n{3315.0f, 60.0f },\n{3300.0f, 30.0f },  \/* 3.300V \u2014 \u5e73\u53f0\u533a\u4e0b\u9650 *\/\n\/* \u653e\u7535\u672b\u7aef\uff1a\u7535\u538b\u5feb\u901f\u4e0b\u964d\uff0cOCV \u518d\u6b21\u53ef\u7528 *\/\n{2900.0f, 3.0f  },\n{2500.0f, 0.0f  },  \/* 2.50V \u2014 \u653e\u7535\u622a\u6b62 *\/<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5de5\u7a0b\u8981\u70b9<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>LFP \u5728 3.30V~3.33V \u4e4b\u95f4\uff0c\u7535\u538b\u53ea\u53d8\u5316 30mV \u5374\u8986\u76d6\u4e86 30%~80% \u7684 SOC\u2014\u2014\u8fd9\u5c31\u662f\u300c\u5e73\u53f0\u533a\u300d\u3002<\/li>\n<li>\u6570\u636e\u6765\u6e90\u6ce8\u91ca\u5199\u5f97\u5f88\u8bda\u5b9e\uff1a\u300c\u5178\u578b 100Ah LFP \u7535\u82af\uff0c25\u2103\uff0c0.1C \u653e\u7535 + \u6bcf 5% SOC \u9759\u7f6e 2h \u5b9e\u6d4b\u300d\u3002\u5b9e\u9645\u91cf\u4ea7\u5fc5\u987b\u7528\u81ea\u5bb6\u7535\u82af\u91cd\u65b0\u6807\u5b9a\uff0c\u8fd9\u662f\u6b64\u7c7b\u4ee3\u7801\u6700\u5bb9\u6613\u72af\u7684\u9519\u8bef\u2014\u2014\u76f4\u63a5\u62ff\u522b\u4eba\u7684\u66f2\u7ebf\u3002<\/li>\n<li>OCV \u6d4b\u91cf\u7684\u524d\u63d0\u662f<strong>\u5145\u5206\u9759\u7f6e<\/strong>\uff08\u6781\u5316\u6d88\u5931\uff09\uff0c\u5426\u5219\u6d4b\u5230\u7684\u662f\u7aef\u7535\u538b\u800c\u975e\u5f00\u8def\u7535\u538b\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">4. OCV \u2192 SOC \u7ebf\u6027\u63d2\u503c<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>static float ocv_to_soc(float voltage_mV) {\n    if (g_ocv_table == NULL || g_ocv_table_size < 2) return 50.0f;\n    \/* \u8fb9\u754c\u68c0\u67e5 *\/\n    if (voltage_mV >= g_ocv_table[0].voltage_mV) return 100.0f;\n    if (voltage_mV <= g_ocv_table[g_ocv_table_size - 1].voltage_mV) return 0.0f;\n    \/* \u7ebf\u6027\u63d2\u503c *\/\n    for (uint16_t i = 0; i < g_ocv_table_size - 1; i++) {\n        float v_high = g_ocv_table[i].voltage_mV;\n        float v_low  = g_ocv_table[i + 1].voltage_mV;\n        if (voltage_mV <= v_high &#038;&#038; voltage_mV > v_low) {\n            float ratio = (voltage_mV - v_low) \/ (v_high - v_low);\n            return g_ocv_table[i + 1].soc + ratio * (g_ocv_table[i].soc - g_ocv_table[i + 1].soc);\n        }\n    }\n    return 0.0f;\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8bbe\u8ba1\u8981\u70b9<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8868\u6309\u300c\u7535\u538b\u4ece\u9ad8\u5230\u4f4e\u300d\u6392\u5217\uff0c\u63d2\u503c\u533a\u95f4\u7528 <code>voltage_mV &lt;= v_high &amp;&amp; voltage_mV &gt; v_low<\/code> \u5212\u5206\uff0c\u5de6\u95ed\u53f3\u5f00\u907f\u514d\u8fb9\u754c\u91cd\u53e0\u3002<\/li>\n<li>\u7ebf\u6027\u63d2\u503c\u5047\u8bbe <code>OCV-SOC<\/code> \u5728\u5c0f\u533a\u95f4\u5185\u8fd1\u4f3c\u7ebf\u6027\uff0c\u8fd9\u5728\u5e73\u53f0\u533a\u8bef\u5dee\u6781\u5927\u2014\u2014\u6240\u4ee5\u8c03\u7528\u5b83\u7684 OCV \u6821\u51c6\u903b\u8f91\u5fc5\u987b\u300c\u907f\u5f00\u5e73\u53f0\u533a\u300d\uff0c\u7a0d\u540e\u770b\u5230\u3002<\/li>\n<li>\u5907\u7528\u8868\u672a\u52a0\u8f7d\uff08<code>g_ocv_table == NULL<\/code>\uff09\u65f6\u8fd4\u56de 50% \u515c\u5e95\uff0c\u907f\u514d\u91ce\u6307\u9488\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">5. \u7535\u6c60\u7ec4\u7edf\u8ba1\u91cf\u8ba1\u7b97<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>static void update_cell_statistics(void) {\n    const afe_data_t *afe = sh36760x_get_data();\n    if (!afe->data_valid) return;\n    \/*** \u6c42\u5e73\u5747\/\u6700\u5927\/\u6700\u5c0f\u7535\u538b\uff0c\u4ee5\u53ca\u6700\u5927\/\u6700\u5c0f\u6e29\u5ea6 ***\/\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ece AFE \u9a71\u52a8\u53d6\u6570\u636e\uff0c\u6570\u636e\u65e0\u6548\u76f4\u63a5\u8fd4\u56de\uff0c\u4fdd\u6301\u4e0a\u6b21\u7edf\u8ba1\u3002<\/li>\n<li>\u8ba1\u7b97 <code>avg\/max\/min_cell_voltage_mV<\/code> \u4e0e <code>max\/min_temperature_C<\/code>\uff08\u6e29\u5ea6\u539f\u59cb\u503c \u00d70.1 \u8f6c\u6362\uff0c\u56e0\u4e3a AFE \u4e0a\u62a5\u7684\u662f 0.1\u00b0C \u5206\u8fa8\u7387\uff09\u3002<\/li>\n<li>\u6b64\u51fd\u6570\u6bcf\u6b21 <code>bms_get_state()<\/code> \u8c03\u7528\u65f6\u5237\u65b0\uff0c\u4f9b\u4e0a\u5c42\u663e\u793a\u4e0e\u4fdd\u62a4\u5224\u65ad\u4f7f\u7528\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">6. SOC \u4e3b\u5e72\u7b97\u6cd5\uff1a\u5b89\u65f6\u79ef\u5206\uff08\u5e93\u4ed1\u8ba1\u6570\uff09<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>void soc_coulomb_update(void) {\n    float current_A  = (float)afe->pack_current * 0.001f;    \/* mA \u2192 A *\/\n    float dt_h       = (float)SAMPLE_INTERVAL_MS \/ 3600000.0f; \/* ms \u2192 h *\/\n    float eta = (current_A >= 0) ? COULOMB_EFF_DISCHARGE : COULOMB_EFF_CHARGE;\n    g_bms.soc_est.coulomb_counter_mAh += current_A * 1000.0f * dt_h * eta;\n    float cap = g_bms.soc_est.soh_capacity_mAh;\n    if (cap < 100.0f) cap = NOMINAL_CAPACITY_mAh;  \/* \u672a\u6807\u5b9a\u65f6\u7528\u6807\u79f0\u503c *\/\n    float remaining = cap - g_bms.soc_est.coulomb_counter_mAh;\n    g_bms.soc_est.soc = (remaining \/ cap) * 100.0f;\n    g_bms.soc_est.soc = CLAMP(g_bms.soc_est.soc, 0.0f, 100.0f);\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u9010\u884c\u89e3\u8bfb<\/strong>\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7535\u6d41\u65b9\u5411\u7ea6\u5b9a<\/strong>\uff1a\u4ece\u4ee3\u7801\u4e0a\u4e0b\u6587\uff08<code>pack_current &gt; 0<\/code> \u65f6\u662f\u653e\u7535\u3001<code>&lt; 0<\/code> \u662f\u5145\u7535\uff09\uff0c\u672c\u6a21\u5757\u91c7\u7528\u300c\u653e\u7535\u4e3a\u6b63\u3001\u5145\u7535\u4e3a\u8d1f\u300d\u7684\u7ea6\u5b9a\u3002\u6ce8\u91ca\u91cc\u7684\u300c\u653e\u7535\u22481.0\uff0c\u5145\u7535\u22480.98\u300d\u7684 <code>eta<\/code> \u662f<strong>\u5e93\u4ed1\u6548\u7387<\/strong>\uff08\u5145\u8fdb\u53bb\u7684\u7535\u4e0d\u53ef\u80fd 100% \u653e\u51fa\u6765\uff0c\u5927\u7535\u6d41\u8fd8\u6709\u70ed\u91cf\u635f\u8017\uff09\u3002<\/li>\n<li><strong>dt \u6362\u7b97<\/strong>\uff1a\u91c7\u6837\u5468\u671f <code>SAMPLE_INTERVAL_MS<\/code>\uff08\u6beb\u79d2\uff09\u9664\u4ee5 3600000 \u53d8\u6210\u5c0f\u65f6\uff0c\u56e0\u4e3a\u5b89\u65f6\u79ef\u5206\u5355\u4f4d\u662f Ah\u3001\u8981\u7528\u300cA \u00d7 \u5c0f\u65f6\u300d\u3002<\/li>\n<li><strong>\u79ef\u5206\u65b9\u5411<\/strong>\uff1a\u5e93\u4ed1\u8ba1\u6570\u5668\u4ee5\u300c\u5df2\u65e0\u6cd5\u653e\u51fa\/\u9700\u8981\u5145\u5165\u7684\u7535\u91cf\u300d\u7d2f\u8ba1\u3002\u5bb9\u91cf <code>cap<\/code> \u51cf\u6389\u7d2f\u8ba1\u503c\u5f97\u5230 remaining\uff0c\u518d\u9664\u4ee5 cap \u5f97\u767e\u5206\u6bd4\u3002\u5145\u7535\u65f6 current \u4e3a\u8d1f\uff0c<code>coulomb_counter<\/code> \u53cd\u800c\u51cf\u5c0f\uff0cSOC \u4e0a\u5347\u2014\u2014\u903b\u8f91\u81ea\u6d3d\u3002<\/li>\n<li><strong>\u5bb9\u91cf\u6765\u6e90<\/strong>\uff1a\u4f18\u5148\u7528 <code>soh_capacity_mAh<\/code>\uff08\u6765\u81ea SOH \u4f30\u7b97\uff0c\u968f\u8001\u5316\u9012\u51cf\uff09\uff1b\u82e5 <code>&lt; 100mAh<\/code> \u89c6\u4e3a\u672a\u6807\u5b9a\uff0c\u9000\u56de\u6807\u79f0\u5bb9\u91cf\u3002\u8fd9\u6837 SOC \u8ba1\u7b97\u4f1a\u81ea\u52a8\u54cd\u5e94\u7535\u6c60\u8001\u5316\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u9690\u60a3\u63d0\u793a<\/strong>\uff1a\u7eaf\u5b89\u65f6\u79ef\u5206\u6ca1\u6709\u300c\u81ea\u6211\u4fee\u6b63\u80fd\u529b\u300d\u3002\u7535\u6d41\u91c7\u6837\u8bef\u5dee\u3001AFE \u504f\u79fb\u3001\u957f\u65f6\u95f4\u5de5\u4f5c\uff0c\u90fd\u4f1a\u8ba9 SOC \u7f13\u6162\u6f02\u79fb\u2014\u2014\u8fd9\u6b63\u662f\u4e0b\u9762 OCV \u6821\u51c6\u5b58\u5728\u7684\u610f\u4e49\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7. SOC \u6821\u51c6\uff1a\u4e09\u5c42\u7b56\u7565\uff08\u672c\u6a21\u5757\u7cbe\u534e\uff09<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9274\u4e8e LFP \u5e73\u53f0\u533a OCV \u5931\u6548\uff0c\u4f5c\u8005\u8bbe\u8ba1\u4e86 <strong>\u4e09\u5c42\u6821\u51c6\u7b56\u7565<\/strong>\uff0c\u6309\u53ef\u9760\u6027\u9012\u51cf\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7.1 \u7b56\u7565\u4e00\uff1a\u6ee1\u5145\u7aef\u70b9\u81ea\u52a8\u6821\u51c6\uff08\u6700\u53ef\u9760\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>if (avg_v > (FULL_CHARGE_VOLTAGE_mV - 20)\n    && afe->pack_current < 0        \/* \u6b63\u5728\u5145\u7535 *\/\n    &#038;&#038; abs_current_mA < (NOMINAL_CAPACITY_mAh \/ 30))  \/* \u7535\u6d41\u964d\u5230 C\/30 \u4ee5\u4e0b *\/\n{\n    g_bms.soc_est.soc = 100.0f;\n    g_bms.soc_est.coulomb_counter_mAh = 0.0f;\n    g_bms.soc_est.soc_valid = 1;\n    ... \n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6761\u4ef6\uff1a\u7535\u538b\u903c\u8fd1\u6ee1\u5145\u9650\u503c\uff08-20mV \u5bb9\u5dee\uff09+ \u6b63\u5728\u5145\u7535 + \u7535\u6d41\u964d\u5230 <strong>C\/30<\/strong> \u4ee5\u4e0b\uff08\u8fd1\u4f3c\u6052\u538b\u6d93\u6d41\u5c3e\u58f0\uff09\u3002\u6b64\u65f6\u53ef\u4ee5\u786e\u5b9a\u300c\u6ee1\u5145\u300d\u4e86\uff0cSOC \u5f3a\u5236 100%\uff0c\u5e93\u4ed1\u8ba1\u6e05\u96f6\u3002<\/li>\n<li><code>C\/30<\/code>\uff1a\u5373 <code>100Ah \/ 30 \u2248 3.3A<\/code>\u3002\u8fd9\u662f\u8bc6\u522b\u300c\u8fde\u7eed\u5145\u7535\u7ed3\u675f\u3001\u8fdb\u5165\u6d6e\u5145\u300d\u7684\u884c\u4e1a\u5e38\u7528\u5224\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">7.2 \u7b56\u7565\u4e8c\uff1a\u6ee1\u653e\u7aef\u70b9\u81ea\u52a8\u6821\u51c6\uff08\u8f83\u53ef\u9760\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>if (avg_v < (CUTOFF_VOLTAGE_mV + 100)   \/* \u903c\u8fd1\u653e\u7535\u622a\u6b62\u7535\u538b *\/\n    &#038;&#038; afe->pack_current > 0\n    && abs_current_mA < (NOMINAL_CAPACITY_mAh \/ 10))  \/* \u653e\u7535\u7535\u6d41 < C\/10 *\/\n{\n    g_bms.soc_est.soc = 0.0f;\n    g_bms.soc_est.coulomb_counter_mAh = g_bms.soc_est.soh_capacity_mAh;  \/* = cap\uff0c\u5373\u653e\u7a7a\u4e86 *\/\n    ...\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6761\u4ef6\uff1a\u7535\u538b\u903c\u8fd1\u622a\u6b62\u503c\uff08+100mV\uff09+ \u653e\u7535 + \u7535\u6d41\u964d\u5230 C\/10 \u4ee5\u4e0b\uff08\u63a5\u8fd1\u7a7a\u8f7d\u672b\u7aef\uff09\u3002SOC \u7f6e 0\uff0c\u5e93\u4ed1\u8ba1\u8bbe\u4e3a\u5f53\u524d\u603b\u5bb9\u91cf\u2014\u2014\u8868\u793a\u300c\u8fd8\u5269 0\uff0c\u5df2\u5168\u90e8\u6d88\u8017\u300d\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">7.3 \u7b56\u7565\u4e09\uff1a\u9759\u7f6e OCV \u67e5\u8868\uff08\u4ec5\u4e24\u7aef\u6709\u6548\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>\/* \u6761\u4ef6 1\uff1a\u7535\u6d41\u8db3\u591f\u5c0f *\/\nif (abs_current_mA > OCV_CALIB_CURRENT_mA) { g_bms.soc_est.rest_start_tick = 0; return; }\n\/* \u6761\u4ef6 2\uff1a\u9759\u7f6e\u8ba1\u65f6 \u2265 OCV_CALIB_REST_TIME_MS\uff08\u5982 30min\uff09*\/\n...\n\/* \u6761\u4ef6 3\uff1a\u67e5\u8868\u540e\u5224\u65ad\u662f\u5426\u5904\u4e8e\u5e73\u53f0\u533a *\/\nfloat ocv_soc = ocv_to_soc(avg_v);\nif (ocv_soc > 20.0f && ocv_soc < 80.0f) {\n    \/* \u5e73\u53f0\u533a\uff1a\u4ec5\u5f53\u504f\u5dee > 30% \u624d\u5e72\u9884\uff0c\u5426\u5219\u7f6e 0 \u8ba1\u65f6\u5668\u7ee7\u7eed\u7b49 *\/\n    if (fabsf(ocv_soc - g_bms.soc_est.soc) > 30.0f) { \/* \u6e29\u548c\u4fee\u6b63 *\/ }\n} else {\n    \/* \u5e73\u53f0\u533a\u5916\uff1a\u6b63\u5e38\u9608\u503c OCV_CALIB_SOC_DELTA \u6821\u51c6 *\/\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u95e8\u69db\uff1a\u65e0\u8d1f\u8f7d\u9759\u7f6e\u8db3\u591f\u4e45\uff08\u8ba9\u6781\u5316\u6d88\u6563\uff09\u540e\uff0c\u624d\u6562\u7528 OCV\u3002<\/li>\n<li><strong>\u5e73\u53f0\u533a\u5185\uff0820%~80%\uff09<\/strong>\uff1aOCV \u7b97\u51fa\u7684\u503c\u7f6e\u4fe1\u5ea6\u4f4e\uff0c\u4ec5\u5f53\u5e93\u4ed1\u8ba1\u6f02\u79fb\u8d85\u8fc7 30% \u65f6\u624d\u300c\u5927\u5242\u91cf\u300d\u4fee\u6b63\uff0c\u5176\u4f59\u60c5\u51b5\u5b81\u53ef\u4e0d\u52a8\u2014\u2014\u907f\u514d\u628a\u8bef\u5dee\u6362\u6765\u6362\u53bb\u3002<\/li>\n<li><strong>\u5e73\u53f0\u533a\u5916\uff08&gt;80% \u6216 &lt;20%\uff09<\/strong>\uff1a\u4e24\u7aef OCV \u53ef\u9760\uff0c\u7528\u8f83\u5c0f\u9608\u503c <code>OCV_CALIB_SOC_DELTA<\/code> \u6b63\u5e38\u6821\u51c6\uff0c\u5e76\u628a\u5e93\u4ed1\u8ba1\u53cd\u7b97\u56de\u4e0e SOC \u4e00\u81f4\uff0c\u5b9e\u73b0\u300c\u7ea0\u504f\u540e\u7acb\u5373\u6e05\u96f6\u5386\u53f2\u6f02\u79fb\u300d\u3002<\/li>\n<li>\u6bcf\u4e2a\u6821\u51c6\u70b9\u90fd\u4f1a\u8bb0\u5f55 <code>last_ocv_calib_tick<\/code>\uff0c\u4fbf\u4e8e\u4e0a\u5c42\u5224\u65ad\u300c\u591a\u4e45\u6ca1\u6821\u51c6\u8fc7\u300d\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5957\u300c\u5e73\u53f0\u533a\u4e25\u683c\u3001\u533a\u5916\u5bbd\u677e\u300d\u7684\u5206\u6bb5\u7b56\u7565\uff0c\u662f\u4e13\u95e8\u4e3a LFP \u5ea6\u8eab\u6253\u9020\u7684\uff0c\u4f53\u73b0\u4e86\u4f5c\u8005\u5bf9\u7535\u82af\u7279\u6027\u7684\u6df1\u523b\u7406\u89e3\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">8. SOH \u7ef4\u5ea6\u4e00\uff1a\u5bb9\u91cf\u8ffd\u8e2a<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>void soh_capacity_tracking(void) {\n    \/* \u7535\u6d41\u7edd\u5bf9\u503c > 100mA \u624d\u7d2f\u8ba1\uff0c\u533a\u5206\u5145\/\u653e\u7535 *\/\n    if (current_mA < -100.0f)  \/* \u5145\u7535 *\/  charge_accumulated_mAh += |I|\u00b7dt;\n    if (current_mA >  100.0f)  \/* \u653e\u7535 *\/  discharge_accumulated_mAh += I\u00b7dt;\n    \/* \u6ee1\u5145\u68c0\u6d4b\uff1a\u7535\u538b\u2265\u6ee1\u5145-50mV \u4e14 \u7535\u6d41\u4ece\u672a\u8d85\u8fc7 C\/25 *\/\n    ...\n    \/* \u6ee1\u653e\uff1a\u4ece\u6ee1\u5145\u72b6\u6001\u4e00\u8def\u653e\u5230\u622a\u6b62\uff0c\u8bb0\u5f55\u672c\u6b21\u5faa\u73af\u6d4b\u5f97\u7684\u5bb9\u91cf *\/\n    if (charge_full_detected && avg_v < CUTOFF+100) {\n        measured_capacity_mAh = discharge_accumulated_mAh;\n        soh_capacity = 100 \u00d7 measured \/ NOMINAL_CAPACITY;\n    }\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u95e8\u69db 100mA<\/strong>\uff1a\u5c0f\u4e8e\u6b64\u7535\u6d41\u89c6\u4e3a\u566a\u58f0\u6216\u9759\u6001\uff0c\u4e0d\u7d2f\u8ba1\uff0c\u907f\u514d\u8bef\u5dee\u6eda\u96ea\u7403\u3002<\/li>\n<li><strong>\u5b8c\u6574\u5faa\u73af\u6cd5\u6d4b\u5bb9\u91cf<\/strong>\uff1a\u5148\u8bb0\u5f55\u300c\u6ee1\u5145\u300d\u5230\u300c\u6ee1\u653e\u622a\u6b62\u300d\u4e4b\u95f4\u7684\u653e\u7535\u7535\u8377\u91cf <code>discharge_accumulated_mAh<\/code>\uff0c\u5373\u4e3a\u5f53\u524d\u5b9e\u9645\u5bb9\u91cf\uff0c\u9664\u4ee5\u6807\u79f0\u5f97\u5230 <code>soh_capacity<\/code>\uff080~100\uff09\u3002<\/li>\n<li><strong>\u9632\u6ea2\u51fa<\/strong>\uff1a\u5f53\u7d2f\u8ba1\u653e\u7535\u8d85\u8fc7 <code>2\u00d7\u6807\u79f0<\/code>\uff08\u53ef\u80fd\u662f\u957f\u671f\u6ca1\u7528\u6ee1\u5faa\u73af\uff09\uff0c\u5f3a\u5236\u94b3\u5230 <code>1.5\u00d7\u6807\u79f0<\/code>\uff0c\u9632\u6b62\u6570\u503c\u7206\u70b8\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">9. SOH \u7ef4\u5ea6\u4e8c\uff1a\u76f4\u6d41\u5185\u963b\uff08DCR\uff09\u6d4b\u91cf<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>void soh_measure_dcr(voltage_before_mV, voltage_after_mV,\n                     current_before_mA,  current_after_mA) {\n    float dv = |V_after - V_before|;  \/* mV *\/\n    float di = |I_after - I_before|;  \/* mA *\/\n    if (di < 200.0f) return;          \/* \u7535\u6d41\u53d8\u5316\u592a\u5c0f\uff0c\u65e0\u6548 *\/\n    current_dcr_mOhm = dv \/ di * 1000.0f;  \/* m\u03a9 *\/\n    soh_resistance = 100 \u00d7 (1 - (current_dcr - NOMINAL_DCR) \/ NOMINAL_DCR);\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5229\u7528\u300c\u8d1f\u8f7d\u9636\u8dc3\u300d\u77ac\u95f4\u7684\u7535\u538b\u8df3\u53d8 \u0394V \u9664\u4ee5\u7535\u6d41\u8df3\u53d8 \u0394I\uff0c\u4f30\u7b97\u76f4\u6d41\u5185\u963b\uff08\u6b27\u59c6\u5b9a\u5f8b\uff09\u3002<\/li>\n<li><code>di &lt; 200mA<\/code> \u76f4\u63a5\u62d2\u7edd\uff0c\u907f\u514d\u5728\u7535\u6d41\u566a\u58f0\u91cc\u7b97\u51fa\u5047\u5185\u963b\u3002<\/li>\n<li><code>soh_resistance<\/code> \u4ee5\u5185\u963b\u76f8\u5bf9\u51fa\u5382\u503c <code>NOMINAL_DCR_mOhm<\/code> \u7684\u589e\u5927\u7a0b\u5ea6\u53cd\u63a8\u5065\u5eb7\u5ea6\uff1a\u5185\u963b\u8d8a\u5927 \u2192 SOH \u8d8a\u4f4e\u3002\u5f53\u5185\u963b\u7ffb\u500d\u65f6\u8be5\u9879\u5f52\u96f6\u3002<\/li>\n<li>\u8c03\u7528\u8005\u9700\u5728\u5408\u9002\u7684\u65f6\u673a\uff08\u5982\u5145\u653e\u7535\u5207\u6362\u77ac\u95f4\uff09\u91c7\u96c6\u524d\u540e\u4e24\u5e27\u7535\u538b\u7535\u6d41\uff0c\u672c\u51fd\u6570\u53ea\u8d1f\u8d23\u8ba1\u7b97\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">10. SOH \u7ef4\u5ea6\u4e09\uff1a\u6e29\u5347\u8bc4\u4f30<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>void soh_evaluate_temp_rise(void) {\n    float current_A = |I|;               \/* \u653e\u7535\u7535\u6d41 *\/\n    float temp_now   = TS1 \u00d7 0.1;        \/* \u6700\u9760\u8fd1\u7535\u82af\u7684\u6e29\u5ea6\u70b9 *\/\n    if (current_A > 0.5A && start_tick==0) { start_C=temp_now; start_tick=Tick; return; }\n    if (Tick - start_tick < 600000) return;   \/* 10 \u5206\u949f\u540e\u8bc4\u4f30 *\/\n    actual_rise = temp_now - start_C;\n    i_normalized = current_A \/ (NOMINAL_CAPACITY\/1000);  \/* \u5f52\u4e00\u5316\u5230 1C *\/\n    normalized_rise = actual_rise \/ (i_normalized + 0.01);\n    soh_temperature = 100 \u00d7 (1 - (normalized_rise - NOMINAL_TEMP_RISE)\/NOMINAL_TEMP_RISE);\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6838\u5fc3\u601d\u60f3\uff1a<strong>\u5185\u963b\u8d8a\u5927 \u2192 \u540c\u6837\u7535\u6d41\u4e0b\u53d1\u70ed\u8d8a\u591a \u2192 \u6e29\u5347\u8d8a\u5927 \u2192 SOH \u8d8a\u4f4e<\/strong>\u3002<\/li>\n<li>\u5728\u653e\u7535\u7535\u6d41 &gt; 0.5A \u65f6\u8bb0\u5f55\u8d77\u59cb\u6e29\u5ea6\uff0c10 \u5206\u949f\u540e\u5bf9\u6bd4\u6e29\u5347\u3002<\/li>\n<li><strong>\u5f52\u4e00\u5316\u5230 1C \u7535\u6d41<\/strong>\uff1a\u628a\u5b9e\u9645\u6e29\u5347\u6309\u7535\u6d41\u6298\u7b97\u6210\u300c1C \u653e\u7535\u4e0b\u7684\u7b49\u6548\u6e29\u5347\u300d\uff0c\u6d88\u9664\u7535\u6d41\u5927\u5c0f\u5dee\u5f02\u5bf9\u6e29\u5347\u7684\u5f71\u54cd\uff0c\u624d\u80fd\u8de8\u5de5\u51b5\u6bd4\u8f83\u3002<\/li>\n<li>\u5206\u6bcd <code>+0.01<\/code> \u9632\u9664\u96f6\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">11. SOH \u52a0\u6743\u878d\u5408<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>void soh_calculate_final(void) {\n    float soh = soh_capacity\u00d7W_cap + soh_resistance\u00d7W_res + soh_temperature\u00d7W_temp;\n    \/* \u65e0\u6709\u6548\u5bb9\u91cf\u6570\u636e\u65f6\uff0c\u9000\u5316\u4e3a\u4ec5\u7528\u5185\u963b+\u6e29\u5347 *\/\n    if (measured_capacity_mAh < 100) soh = soh_resistance\u00d70.6 + soh_temperature\u00d70.4;\n    soc_est.soh = CLAMP(soh, 0, 100);\n    soc_est.soh_capacity_mAh = NOMINAL_CAPACITY \u00d7 soh \/ 100;  \/* \u53cd\u9988\u7ed9 SOC \u7528 *\/\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e09\u9879\u52a0\u6743\uff08\u6743\u91cd\u7531\u914d\u7f6e\u5b8f\u5b9a\u4e49\uff09\uff0c\u9ed8\u8ba4\u4ee5\u5bb9\u91cf\u4e3a\u4e3b\u3002<\/li>\n<li><strong>\u667a\u80fd\u964d\u7ea7<\/strong>\uff1a\u82e5\u8fd8\u6ca1\u6210\u529f\u6d4b\u8fc7\u4e00\u6b21\u5b8c\u6574\u5faa\u73af\u5bb9\u91cf\uff08<code>measured &lt; 100mAh<\/code>\uff09\uff0c\u5bb9\u91cf\u9879\u4e0d\u53ef\u4fe1\uff0c\u81ea\u52a8\u6539\u7528\u300c\u5185\u963b\u00d70.6 + \u6e29\u5347\u00d70.4\u300d\u7684\u4e34\u65f6\u6743\u91cd\u2014\u2014\u907f\u514d\u7528\u4e00\u4e2a\u5047\u5bb9\u91cf\u628a SOH \u5e26\u504f\u3002<\/li>\n<li>\u6700\u7ec8\u8f93\u51fa\u7684 <code>soh_capacity_mAh<\/code> \u56de\u4f20\u7ed9\u5b89\u65f6\u79ef\u5206\u4f7f\u7528\uff0c\u5f62\u6210\u300cSOH \u2192 SOC\u300d\u7684\u95ed\u73af\u8054\u52a8\uff1a\u7535\u6c60\u8d8a\u8001\uff0cSOC \u8ba1\u7b97\u7528\u7684\u5bb9\u91cf\u8d8a\u5c0f\uff0c\u767e\u5206\u6bd4\u66f4\u771f\u5b9e\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">12. \u521d\u59cb\u5316\u4e0e\u72b6\u6001\u8bfb\u53d6<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>void soc_estimator_init(void) {\n    memset(&g_bms, 0, sizeof(g_bms));\n    ocv_table_load(CELL_CHEMISTRY);      \/* \u6309\u914d\u7f6e\u9009 LFP \u6216 NCM \u8868 *\/\n    g_bms.soc_est.soc = 50.0f;           \/* \u4e0a\u7535\u9ed8\u8ba4 50% *\/\n    g_bms.soc_est.soh = 100.0f;          \/* \u9ed8\u8ba4\u5168\u65b0 *\/\n    g_bms.soh_est.current_dcr_mOhm = NOMINAL_DCR_mOhm;\n    \/* TODO: \u4ece Flash \u52a0\u8f7d\u4e0a\u6b21\u4fdd\u5b58\u7684 SOC\/SOH \u503c *\/\n}\n\nbms_system_t* bms_get_state(void) {\n    update_cell_statistics();\n    memcpy(&g_bms.afe, sh36760x_get_data(), sizeof(afe_data_t));\n    return &g_bms;\n}<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e0a\u7535\u9ed8\u8ba4 SOC=50%\u3001SOH=100%\uff0c\u5185\u963b\u53d6\u51fa\u5382\u503c\u2014\u2014\u4fdd\u5b88\u8d77\u6b65\uff0c\u7b49\u6821\u51c6\u540e\u6536\u655b\u3002<\/li>\n<li><code>bms_get_state()<\/code> \u662f\u7ed9\u4e0a\u5c42\/\u901a\u4fe1\u7528\u7684\u7edf\u4e00\u5165\u53e3\uff1a\u6bcf\u6b21\u8c03\u7528\u5237\u65b0\u7edf\u8ba1\u5e76\u540c\u6b65 AFE \u539f\u59cb\u6570\u636e\uff0c\u8fd4\u56de\u5168\u5c40\u7ed3\u6784\u4f53\u6307\u9488\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">13. \u9057\u7559 TODO\uff1aFlash \u6301\u4e45\u5316<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>void soc_save_to_flash(void) {\n    \/* TODO: \u5c06 SOC\/SOH \u4fdd\u5b58\u5230 STM32F103 \u5185\u90e8 Flash \u7684\u6700\u540e\u4e00\u9875\n     * \u4f7f\u7528 HAL_FLASH_Program + HAL_FLASHEx_Erase\n     *   - soc (float, 4B)\n     *   - soh (float, 4B)\n     *   - coulomb_counter_mAh (float, 4B)\n     *   - soh_capacity_mAh (float, 4B)\n     *   - CRC16 \u6821\u9a8c (2B)\n     * Flash \u5730\u5740\uff1a\u63a8\u8350 0x0800FC00 (\u6700\u540e\u4e00\u9875\u8d77\u59cb) *\/\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u672c\u6587\u4ef6\u7684<strong>\u660e\u9762\u7f3a\u53e3<\/strong>\u3002\u6ce8\u91ca\u7ed9\u51fa\u4e86\u5b8c\u6574\u7684\u843d\u76d8\u65b9\u6848\uff1a18 \u5b57\u8282\u6570\u636e + CRC16\uff0c\u5199 STM32F103 \u6700\u540e\u4e00\u9875\uff080x0800FC00\uff0c1KB \u9875\uff09\u3002<strong>\u4e3a\u4ec0\u4e48\u5fc5\u987b\u6709\u5b83\uff1f<\/strong>\u56e0\u4e3a SOC \u662f\u300c\u5e26\u7535\u8bb0\u5fc6\u300d\u2014\u2014\u82e5\u6bcf\u6b21\u65ad\u7535\u90fd\u4ece 50% \u91cd\u65b0\u79ef\u5206\uff0c\u957f\u671f\u7d2f\u79ef\u7684\u6821\u51c6\u6210\u679c\u5168\u90e8\u4e22\u5931\u3002\u91cf\u4ea7\u56fa\u4ef6\u5f3a\u70c8\u5efa\u8bae\u5b9e\u73b0\uff1a<code>soc_loader_from_flash()<\/code> \u5728 <code>init<\/code> \u4e2d\u8c03\u7528\uff0c\u5e76\u5728\u6389\u7535\/\u5b9a\u65f6\/\u6ee1\u5145\u6ee1\u653e\u6821\u51c6\u540e\u8c03\u7528 <code>save<\/code>\uff0c\u5199\u5165\u524d\u5148\u64e6\u9875\u3001\u5199\u5b8c\u56de\u8bfb\u6821\u9a8c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">14. \u6f5c\u5728\u7f3a\u9677\u4e0e\u6539\u8fdb\u5efa\u8bae\uff08\u8bc4\u5ba1\u89c6\u89d2\uff09<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table>\n<thead><tr><th>\u95ee\u9898<\/th><th>\u8bf4\u660e<\/th><th>\u6539\u8fdb\u5efa\u8bae<\/th><\/tr><\/thead>\n<tbody>\n<tr><td><strong>\u65e0 Flash \u6301\u4e45\u5316<\/strong><\/td><td>\u6389\u7535\u4e22\u5931 SOC\/SOH\u3001\u5e93\u4ed1\u8ba1<\/td><td>\u5b9e\u73b0\u95ea\u5b58\u50a8\u5b58\uff0cinit \u65f6\u52a0\u8f7d\uff0c\u6821\u51c6\u540e\u4fdd\u5b58<\/td><\/tr>\n<tr><td><strong>OCV \u6821\u51c6\u4f9d\u8d56\u56fa\u5b9a\u9608\u503c<\/strong><\/td><td>30% \/ OCV_CALIB_SOC_DELTA \u4e3a\u7ecf\u9a8c\u503c<\/td><td>\u53c2\u6570\u914d\u7f6e\u5316\uff0c\u6309\u7535\u82af\u5b9e\u6d4b\u6807\u5b9a<\/td><\/tr>\n<tr><td><strong>\u5b89\u65f6\u79ef\u5206\u65e0\u7535\u6d41\u504f\u5dee\u6821\u6b63<\/strong><\/td><td>\u957f\u65f6\u95f4\u7d2f\u52a0\u6f02\u79fb\uff0c\u9760 OCV \u7aef\u70b9\u62c9\u56de<\/td><td>\u53ef\u5f15\u5165\u7535\u6d41\u4f20\u611f\u5668\u96f6\u70b9\u6821\u51c6\uff08\u96f6\u6d41\u65f6\u91c7\u6837\u5f52\u96f6\uff09<\/td><\/tr>\n<tr><td><strong>\u6e29\u5ea6\u91c7\u6837\u53ea\u53d6 TS1<\/strong><\/td><td>\u6e29\u5347\u8bc4\u4f30\u53ea\u7528\u7b2c\u4e00\u4e2a\u6e29\u5ea6\u70b9\uff0c\u4ee3\u8868\u6027\u4e0d\u8db3<\/td><td>\u53d6\u591a\u70b9\u6700\u9ad8\/\u5e73\u5747\uff0c\u533a\u5206\u5145\u7535\/\u653e\u7535\u6e29\u5347<\/td><\/tr>\n<tr><td><strong>OCV \u9700\u9759\u7f6e 30min \u624d\u6821\u51c6<\/strong><\/td><td>\u73b0\u5b9e\u5de5\u51b5\u96be\u5f97\u957f\u65f6\u95f4\u65e0\u8d1f\u8f7d<\/td><td>\u8003\u8651\u300c\u90e8\u5206\u9759\u7f6e\u300d\u6216\u5e26\u8f7d OCV \u4fee\u6b63\u6a21\u578b<\/td><\/tr>\n<tr><td><strong>ARRAY_SIZE \u7528\u4e8e\u6307\u9488\u6709\u98ce\u9669<\/strong><\/td><td>\u82e5\u4ed6\u4eba\u8bef\u6539\u4f20\u6307\u9488\uff0csizeof \u51fa\u9519<\/td><td>\u51fd\u6570\u5185\u663e\u5f0f\u4f20\u8868\u5927\u5c0f\uff0c\u6216\u52a0\u7f16\u8bd1\u671f\u65ad\u8a00<\/td><\/tr>\n<tr><td><strong>\u6ee1\u653e\u68c0\u6d4b\u95e8\u69db\u8f83\u677e<\/strong><\/td><td>C\/10 + 100mV \u53ef\u80fd\u63d0\u524d\u8bef\u5224<\/td><td>\u7ed3\u5408 SOC \u8d8b\u52bf\u4e0e\u8ba1\u65f6\u5668\u53cc\u91cd\u786e\u8ba4<\/td><\/tr>\n<tr><td><strong>\u4e34\u754c\u7535\u6d41\u7b26\u53f7<\/strong><\/td><td>\u7535\u6d41\u6070\u4e3a 0 \u65f6\u6309\u653e\u7535\u5904\u7406\uff08eta \u9009\u9519\uff09<\/td><td>\u7528 &gt;=\/-=&lt; \u660e\u786e\u96f6\u6d41\u5206\u652f<\/td><\/tr>\n<\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">15. \u603b\u7ed3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><code>soc_estimator.c<\/code> \u662f\u4e00\u4efd<strong>\u6ce8\u91ca\u8be6\u5b9e\u3001\u7b56\u7565\u6e05\u6670\u3001\u9488\u5bf9 LFP \u9ad8\u5ea6\u5b9a\u5236<\/strong>\u7684 BMS \u6838\u5fc3\u7b97\u6cd5\u5b9e\u73b0\u3002\u5b83\u7684\u4ef7\u503c\u4e0d\u5728\u4e8e\u4ee3\u7801\u91cf\uff0c\u800c\u5728\u4e8e\u628a\u300c\u5b89\u65f6\u79ef\u5206 + OCV \u5206\u6bb5\u6821\u51c6 + SOH \u4e09\u7ef4\u878d\u5408\u300d\u8fd9\u5957\u5de5\u4e1a\u6807\u51c6\u505a\u6cd5\u843d\u5730\u5f97\u6e05\u695a\u660e\u767d\uff0c\u4e14\u5904\u5904\u4f53\u73b0\u4e86\u5bf9 LFP \u7535\u538b\u5e73\u53f0\u7279\u6027\u7684\u656c\u754f\u3002\u5bf9\u4e8e\u505a BMS \u56fa\u4ef6\u7684\u5de5\u7a0b\u5e08\uff0c\u8fd9\u4efd\u4ee3\u7801\u662f\u5f88\u597d\u7684\u5b66\u4e60\u8303\u672c\u2014\u2014\u5c24\u5176\u662f\u300c\u5e73\u53f0\u533a\u5185\u8f7b\u5e72\u9884\u3001\u533a\u5916\u91cd\u6821\u6b63\u300d\u7684 OCV \u6821\u51c6\u7b56\u7565\uff0c\u4ee5\u53ca\u300cSOH \u53cd\u54fa SOC \u5bb9\u91cf\u300d\u7684\u8054\u52a8\u8bbe\u8ba1\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u8bf4\u6709\u4ec0\u4e48\u5fc5\u987b\u8865\u7684\uff0c\u90a3\u5c31\u662f<strong>Flash \u6301\u4e45\u5316<\/strong>\u4e0e<strong>\u9488\u5bf9\u81ea\u5bb6\u7535\u82af\u7684\u53c2\u6570\u6807\u5b9a<\/strong>\u2014\u2014\u524d\u8005\u8ba9\u7b97\u6cd5\u300c\u8bb0\u5f97\u4f4f\u300d\uff0c\u540e\u8005\u8ba9\u7b97\u6cd5\u300c\u6d4b\u5f97\u51c6\u300d\u3002\u8865\u4e0a\u8fd9\u4e24\u5757\uff0c\u8fd9\u5957 SOC\/SOH \u4f30\u7b97\u5c31\u80fd\u771f\u6b63\u4e0a\u91cf\u4ea7\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u672c\u6587\u7531 BMS \u56fa\u4ef6\u6e90\u7801\u5206\u6790\u64b0\u5199\uff0c\u6e90\u7801\u4f4d\u7f6e <code>Core\/Src\/soc_estimator.c<\/code>\uff08STM32F103 + SH367601\uff09\u3002<\/em><\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>STM32 BMS SOC\/SOH \u4f30\u7b97\u6838\u5fc3\u7b97\u6cd5\u6df1\u5ea6\u89e3\u6790\uff1asoc_estimator.c \u672c\u7bc7\u6587\u7ae0\u5bf9\u5d4c\u5165\u5f0f B [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[4,7,29,23,20,8,6],"class_list":["post-45","post","type-post","status-publish","format-standard","hentry","category-bms","tag-bms","tag-7","tag-29","tag-23","tag-20","tag-8","tag-6"],"_links":{"self":[{"href":"https:\/\/bmsvr.com\/index.php?rest_route=\/wp\/v2\/posts\/45","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bmsvr.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bmsvr.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bmsvr.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bmsvr.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=45"}],"version-history":[{"count":0,"href":"https:\/\/bmsvr.com\/index.php?rest_route=\/wp\/v2\/posts\/45\/revisions"}],"wp:attachment":[{"href":"https:\/\/bmsvr.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=45"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bmsvr.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=45"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bmsvr.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=45"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}