{"id":6008,"date":"2026-02-03T15:40:53","date_gmt":"2026-02-03T07:40:53","guid":{"rendered":"https:\/\/www.key-iot.com\/?p=6008"},"modified":"2026-02-03T15:40:53","modified_gmt":"2026-02-03T07:40:53","slug":"reading-vehicle-data-through-can-bus-practical-experience-with-vehicle-gateways","status":"publish","type":"post","link":"https:\/\/www.key-iot.com\/jp\/blog\/reading-vehicle-data-through-can-bus-practical-experience-with-vehicle-gateways\/","title":{"rendered":"CAN\u30d0\u30b9\u306b\u3088\u308b\u8eca\u4e21\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u53d6\u308a\uff1a\u30d3\u30fc\u30af\u30eb\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u5b9f\u7528\u7d4c\u9a13"},"content":{"rendered":"

\"db2c83dc83eaff3d8e4b985838952320\"<\/p>\n

 <\/p>\n

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\u81ea\u52d5\u8eca\u306b\u304a\u3051\u308bCAN\u30d0\u30b9\u306e\u5f79\u5272<\/h2>\n

\u307e\u305a\u3001CAN\u30d0\u30b9\u3068\u306f\u4f55\u304b\u304b\u3089\u8aac\u660e\u3057\u3088\u3046\u3002CAN\u3068\u306fController Area Network\uff08\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30fc\u30fb\u30a8\u30ea\u30a2\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff09\u306e\u7565\u3067\u3042\u308b\u3002\u30dc\u30c3\u30b7\u30e5\u304c1980\u5e74\u4ee3\u306b\u81ea\u52d5\u8eca\u7528\u306b\u8a2d\u8a08\u3057\u305f\u901a\u4fe1\u30d0\u30b9\u3060\u3002.<\/p>\n

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CAN\u30d0\u30b9\u306f\u3001\u3059\u3079\u3066\u306eECU\u30921\u3064\u306e\u5171\u6709\u30d0\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u3002\u5730\u4e0b\u9244\u306e\u8def\u7dda\u306e\u3088\u3046\u306a\u3082\u306e\u3060\u3068\u8003\u3048\u3066\u304f\u3060\u3055\u3044\u3002\u3069\u306eECU\u3082\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9001\u4fe1\u3067\u304d\u3001\u4ed6\u306e\u3059\u3079\u3066\u306eECU\u304c\u53d7\u4fe1\u3057\u307e\u3059\u3002\u5404ECU\u306f\u3001\u305d\u306e\u6a5f\u80fd\u306b\u95a2\u9023\u3059\u308b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u9078\u629e\u7684\u306b\u51e6\u7406\u3057\u307e\u3059\u3002.<\/p>\n

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\u8eca\u4e21\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u3001\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u53d6\u308b\u305f\u3081\u306b\u3053\u308c\u3089\u306eCAN\u30d0\u30b9\u3092\u5229\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u4f8b\u3048\u3070\u3001SV910\u306b\u306f3\u3064\u306eCAN\u30dd\u30fc\u30c8\u304c\u3042\u308a\u3001\u540c\u6642\u306b\u8907\u6570\u306e\u8eca\u4e21CAN\u30d0\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n

CAN\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u53d6\u308a\u30d7\u30ed\u30bb\u30b9<\/h2>\n

 <\/p>\n

\"eb74286b34280d8de3302dac742a76ee\"<\/p>\n

 <\/p>\n

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\u30b9\u30c6\u30c3\u30d71\u306f\u7269\u7406\u7684\u306a\u3064\u306a\u304c\u308a<\/strong>. .\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306eCAN\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u8eca\u4e21\u306eOBD\u8a3a\u65ad\u30dd\u30fc\u30c8\u306b\u63a5\u7d9a\u3059\u308b\u304b\u3001CAN\u30d0\u30b9\u306b\u76f4\u63a5\u63a5\u7d9a\u3057\u307e\u3059\u3002\u5546\u7528\u8eca\u306b\u306f\u4e00\u822c\u7684\u306b\u6a19\u6e96\u7684\u306aOBD\u30dd\u30fc\u30c8\u304c\u3042\u308a\u3001\u901a\u5e38\u306f\u30c0\u30c3\u30b7\u30e5\u30dc\u30fc\u30c9\u306e\u4e0b\u304b\u904b\u8ee2\u5e2d\u306e\u6a2a\u306b\u3042\u308a\u307e\u3059\u3002\u30b3\u30cd\u30af\u30bf\u306f16\u30d4\u30f3\u306e\u53f0\u5f62\u3067\u3059\u3002.<\/p>\n

CAN\u30d0\u30b9\u306f\u30012\u672c\u306e\u30ef\u30a4\u30e4\u30fc\u3067\u5dee\u52d5\u4fe1\u53f7\u3092\u4f7f\u7528\u3057\u307e\u3059\uff1aCAN_H\u3068CAN_L\u3067\u3059\u3002OBD\u30b3\u30cd\u30af\u30bf\u30fc\u3067\u306f\u30016\u756a\u30d4\u30f3\u304cCAN_H\u300114\u756a\u30d4\u30f3\u304cCAN_L\u3067\u3059\u3002\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306eCAN\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u306f\u3001\u5bfe\u5fdc\u3059\u308b\u30ef\u30a4\u30e4\u30fc\u304c\u3042\u308a\u307e\u3059\u3002\u91cd\u8981\uff1aCAN\u30d0\u30b9\u306e\u7d42\u7aef\u306b\u306f\u3001\u4fe1\u53f7\u306e\u53cd\u5c04\u3092\u9632\u3050\u305f\u3081\u306b120\u03a9\u306e\u7d42\u7aef\u62b5\u6297\u304c\u5fc5\u8981\u3067\u3059\u3002\u4e00\u90e8\u306e\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u7d42\u7aef\u62b5\u6297\u3092\u5185\u8535\u3057\u3066\u304a\u308a\u3001\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3067\u8a2d\u5b9a\u53ef\u80fd\u3067\u3059\u3002.<\/p>\n

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\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e CAN \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u540c\u3058\u30dc\u30fc\u30ec\u30fc\u30c8\u306b\u8a2d\u5b9a\u3059\u308b\u3002SV910\u306e\u3088\u3046\u306a\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u8907\u6570\u306e\u30dc\u30fc\u30ec\u30fc\u30c8\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001\u30b3\u30f3\u30d5\u30a3\u30ae\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30eb\u3084\u7ba1\u7406\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u8abf\u6574\u53ef\u80fd\u3067\u3059\u3002.<\/p>\n

\u30b9\u30c6\u30c3\u30d73\u306fCAN\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u76e3\u8996\u3068\u89e3\u6790<\/strong>. .CAN\u30d0\u30b9\u306e\u30c7\u30fc\u30bf\u306f\u30d5\u30ec\u30fc\u30e0\u3068\u3057\u3066\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002\u5404\u30d5\u30ec\u30fc\u30e0\u306b\u306f\u3001\u30e1\u30c3\u30bb\u30fc\u30b8ID\u3001\u30c7\u30fc\u30bf\u9577\u3001\u30c7\u30fc\u30bf\u5185\u5bb9\u3001\u30c1\u30a7\u30c3\u30af\u30b5\u30e0\u306a\u3069\u3001\u3044\u304f\u3064\u304b\u306e\u90e8\u5206\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n

\u30e1\u30c3\u30bb\u30fc\u30b8 ID \u306f\u3001\u5404\u30e1\u30c3\u30bb\u30fc\u30b8\u306e\u5185\u5bb9\u3092\u8b58\u5225\u3059\u308b\u305f\u3081\u306e\u9375\u3067\u3059\u3002\u30a8\u30f3\u30b8\u30f3 RPM \u3067\u306f\u3001GB\/T 27930 \u3084 SAE J1939 \u306a\u3069\u306e\u898f\u683c\u304c ID \u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002J1939\u306f\u5546\u7528\u8eca\u3067\u306f\u4e00\u822c\u7684\u3067\u3001\u30a8\u30f3\u30b8\u30f3RPM\u306fID 0x0CF00400\u3092\u4f7f\u7528\u3057\u3001\u30c7\u30fc\u30bf\u306f\u30d0\u30a4\u30c84\u30685\u306b\u683c\u7d0d\u3055\u308c\u307e\u3059\u3002.<\/p>\n

\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u3001CAN\u30d0\u30b9\u3092\u7d99\u7d9a\u7684\u306b\u30e2\u30cb\u30bf\u30fc\u3057\u3001\u7279\u5b9a\u306eID\u3092\u6301\u3064\u30d5\u30ec\u30fc\u30e0\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u3001\u30c7\u30fc\u30bf\u30d0\u30a4\u30c8\u304b\u3089RPM\u5024\u3092\u62bd\u51fa\u3057\u307e\u3059\u3002\u62bd\u51fa\u3055\u308c\u305f\u5024\u306f\u751f\u30c7\u30fc\u30bf\u3067\u3042\u308a\u3001\u8a08\u7b97\u5f0f\u3092\u4f7f\u7528\u3057\u3066\u5b9f\u969b\u306eRPM\u306b\u5909\u63db\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002J1939\u898f\u683c\u3067\u306f\u3001\u30a8\u30f3\u30b8\u30f3RPM\u306e\u5206\u89e3\u80fd\u306f0.125rpm\/bit\u3067\u3042\u308b\u305f\u3081\u3001\u751f\u306e\u5024\u306b0.125\u3092\u639b\u3051\u308b\u3068\u771f\u306eRPM\u306b\u306a\u308a\u307e\u3059\u3002.<\/p>\n

\u30b9\u30c6\u30c3\u30d74\u306f\u3001\u30c7\u30fc\u30bf\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u5316\u3068\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9<\/strong>. .RPM\u5024\u3092\u89e3\u6790\u3057\u305f\u5f8c\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u305d\u308c\u30925G\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067\u30af\u30e9\u30a6\u30c9\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u305f\u3081\u306e\u9069\u5207\u306a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u30d1\u30c3\u30b1\u30fc\u30b8\u5316\u3059\u308b\u3002\u4e00\u822c\u7684\u306a\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u306f\u3001JSON\u3001Protobuf\u3001MQTT\u30e1\u30c3\u30bb\u30fc\u30b8\u306a\u3069\u304c\u3042\u308b\u3002.<\/p>\n

\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u306e\u983b\u5ea6\u306f\u8981\u4ef6\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u3002\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3067\u306f1\u79d2\u3054\u3068\u306e\u66f4\u65b0\u304c\u5fc5\u8981\u304b\u3082\u3057\u308c\u306a\u3044\u304c\u3001\u4e00\u822c\u7684\u306a\u8eca\u4e21\u7ba1\u7406\u3067\u306f10\u79d2\u308430\u79d2\u306e\u9593\u9694\u304c\u5fc5\u8981\u304b\u3082\u3057\u308c\u306a\u3044\u3002\u66f4\u65b0\u983b\u5ea6\u304c\u9ad8\u3051\u308c\u3070\u9ad8\u3044\u307b\u3069\u3001\u30c7\u30fc\u30bf\u30b3\u30b9\u30c8\u3082\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002.<\/p>\n

\u7570\u306a\u308b\u8eca\u7a2e\u3078\u306e\u6311\u6226<\/h2>\n

 <\/p>\n

\"bd701919857254e4a166a9dbd40f32db\"<\/p>\n

\u7406\u8ad6\u7684\u306b\u306f\u7c21\u5358\u305d\u3046\u3060\u3002\u73fe\u5b9f\u306b\u306f\u3001\u7570\u306a\u308b\u8eca\u7a2e\u3078\u306e\u5bfe\u5fdc\u304c\u6700\u5927\u306e\u982d\u75db\u306e\u7a2e\u3068\u306a\u308b\u3002.<\/p>\n

\u56fd\u5bb6\u898f\u683cGB\/T 32960\u306f\u3001\u65b0\u30a8\u30cd\u30eb\u30ae\u30fc\u8eca\u306e\u30c7\u30fc\u30bf\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u308b\u304c\u3001EV\u306e\u307f\u3092\u5bfe\u8c61\u3068\u3057\u3066\u3044\u308b\u3002\u5f93\u6765\u306e\u71c3\u6599\u5546\u7528\u8eca\u306f\u3001\u307b\u3068\u3093\u3069\u304cSAE J1939\u898f\u683c\u306b\u5f93\u3063\u3066\u3044\u308b\u304c\u3001\u5177\u4f53\u7684\u306a\u5b9f\u88c5\u306f\u307e\u3060\u69d8\u3005\u3067\u3042\u308b\u3002.<\/p>\n

\u3055\u3089\u306b\u5384\u4ecb\u306a\u3053\u3068\u306b\u3001\u591a\u304f\u306e\u81ea\u52d5\u8eca\u30e1\u30fc\u30ab\u30fc\u306f\u6a19\u6e96\u7684\u306a\u5b9a\u7fa9\u3092\u8d85\u3048\u305f\u72ec\u81ea\u306eCAN\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u3002\u4e00\u90e8\u306e\u30d6\u30e9\u30f3\u30c9\u306f\u3001\u30d5\u30a9\u30eb\u30c8\u30b3\u30fc\u30c9\u3084\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u306e\u30ea\u30de\u30a4\u30f3\u30c0\u30fc\u3092\u3001\u6587\u66f8\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8\u30e1\u30c3\u30bb\u30fc\u30b8\u306b\u8a18\u8f09\u3057\u3066\u3044\u308b\u3002\u305d\u306e\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u53d6\u308b\u306b\u306f\u3001\u30ea\u30d0\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3092\u884c\u3046\u304b\u3001\u81ea\u52d5\u8eca\u30e1\u30fc\u30ab\u30fc\u304b\u3089\u6280\u8853\u6587\u66f8\u3092\u5165\u624b\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002.<\/p>\n

\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306f\u3001\u5404\u8eca\u7a2e\u306b\u500b\u5225\u306b\u5bfe\u5fdc\u3059\u308b\u3002\u307e\u305a\u3001\u305d\u306e\u30e2\u30c7\u30eb\u306eCAN\u30d7\u30ed\u30c8\u30b3\u30eb\u6587\u66f8\u3092\u53ce\u96c6\u3057\u307e\u3059\u3002\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u304c\u306a\u3044\u5834\u5408\u306f\u3001CAN\u30a2\u30ca\u30e9\u30a4\u30b6\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30d0\u30b9\u30c7\u30fc\u30bf\u3092\u8a18\u9332\u3057\u3001\u30e1\u30c3\u30bb\u30fc\u30b8\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3092\u624b\u52d5\u3067\u89e3\u6790\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306b\u5bfe\u5fdc\u3059\u308b\u89e3\u6790\u30eb\u30fc\u30eb\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002.<\/p>\n

SV910 \u306e\u3088\u3046\u306a\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u67d4\u8edf\u306a\u30b3\u30f3\u30d5\u30a3\u30ae\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3002\u30ab\u30b9\u30bf\u30e0\u89e3\u6790\u30eb\u30fc\u30eb\u3092\u5b9a\u7fa9\u3057\u3001\u3069\u306e\u30e1\u30c3\u30bb\u30fc\u30b8ID\u306e\u3069\u306e\u30d0\u30a4\u30c8\u304c\u3069\u306e\u30c7\u30fc\u30bf\u3092\u8868\u3057\u3001\u3069\u306e\u5909\u63db\u5f0f\u3092\u9069\u7528\u3059\u308b\u304b\u3092\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u7570\u306a\u308b\u8eca\u7a2e\u3067\u306f\u7570\u306a\u308b\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u304c\u5fc5\u8981\u306a\u3060\u3051\u3067\u3001\u30b3\u30fc\u30c9\u306e\u5909\u66f4\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n

\u79c1\u305f\u3061\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30d6\u30e9\u30f3\u30c9\u3084\u30e2\u30c7\u30eb\u306eCAN\u30d7\u30ed\u30c8\u30b3\u30eb\u8a2d\u5b9a\u3092\u4fdd\u5b58\u3059\u308b\u8eca\u4e21\u30e2\u30c7\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u69cb\u7bc9\u3057\u307e\u3057\u305f\u3002\u65b0\u3057\u3044\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306f\u3001\u30b3\u30f3\u30d5\u30a3\u30ae\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u304c\u3059\u3067\u306b\u5b58\u5728\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3053\u3068\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306f\u3001\u4e00\u5ea6\u9069\u5408\u3055\u305b\u3066\u304b\u3089\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u8ffd\u52a0\u3057\u307e\u3059\u3002\u73fe\u5728\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u306f40\uff5e50\u8eca\u7a2e\u306e\u30b3\u30f3\u30d5\u30a3\u30ae\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u3002.<\/p>\n

\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u6027\u80fd\u3068\u30c7\u30fc\u30bf\u7cbe\u5ea6\u306e\u78ba\u4fdd<\/h2>\n

\u8eca\u4e21\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3067CAN\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u53d6\u308b\u306b\u306f\u3001\u512a\u308c\u305f\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u6027\u80fd\u304c\u8981\u6c42\u3055\u308c\u307e\u3059\u3002\u7279\u306b\u81ea\u5f8b\u8d70\u884c\u3084ADAS\u306e\u30b7\u30ca\u30ea\u30aa\u3067\u306f\u3001\u30c7\u30fc\u30bf\u306e\u9045\u5ef6\u304c\u5b89\u5168\u6027\u306b\u5f71\u97ff\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n

CAN\u30d0\u30b9\u81ea\u4f53\u306e\u30ec\u30a4\u30c6\u30f3\u30b7\u30fc\u306f\u975e\u5e38\u306b\u4f4e\u304f\u3001\u30de\u30a4\u30af\u30ed\u79d2\u5358\u4f4d\u3067\u6e2c\u5b9a\u3055\u308c\u308b\u3002\u3057\u304b\u3057\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u51e6\u7406\u3001\u30d1\u30c3\u30b1\u30fc\u30b8\u30f3\u30b0\u3001\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u306f\u3001\u4f59\u5206\u306a\u9045\u5ef6\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002\u3053\u308c\u3092\u5236\u5fa1\u3059\u308b\u306b\u306f\u3069\u3046\u3059\u308c\u3070\u3088\u3044\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n

\u307e\u305a\u3001\u51e6\u7406\u30b9\u30c6\u30c3\u30d7\u3092\u6700\u5c0f\u9650\u306b\u3059\u308b<\/strong>. .CAN\u30d5\u30ec\u30fc\u30e0\u3092\u53d7\u4fe1\u3057\u305f\u3089\u3001\u30ad\u30e5\u30fc\u306b\u5165\u308c\u308b\u4ee3\u308f\u308a\u306b\u3001\u5272\u308a\u8fbc\u307f\u30cf\u30f3\u30c9\u30e9\u3084\u512a\u5148\u5ea6\u306e\u9ad8\u3044\u30bf\u30b9\u30af\u3067\u3059\u3050\u306b\u89e3\u6790\u3059\u308b\u3002\u30d1\u30fc\u30b9\u3055\u308c\u305f\u3089\u3001\u9001\u4fe1\u30d0\u30c3\u30d5\u30a1\u306b\u76f4\u63a5\u5165\u308c\u30015G\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067\u9001\u4fe1\u3059\u308b\u3002.<\/p>\n

\u7b2c\u4e8c\u306b\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30a2\u30af\u30bb\u30e9\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3059\u308b\u3002<\/strong>. .\u4e00\u90e8\u306e\u5148\u9032\u7684\u306a\u8eca\u4e21\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u3001\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u6a5f\u80fd\u3092\u5099\u3048\u305fCAN\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3092\u7d71\u5408\u3057\u3066\u3044\u307e\u3059\u3002\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30ec\u30d9\u30eb\u3067\u30d5\u30a3\u30eb\u30bf\u30fc\u30eb\u30fc\u30eb\u3092\u8a2d\u5b9a\u3057\u3001\u95a2\u5fc3\u306e\u3042\u308b\u30e1\u30c3\u30bb\u30fc\u30b8ID\u306e\u307f\u3092\u53d7\u3051\u5165\u308c\u3001\u305d\u308c\u4ee5\u5916\u306f\u7834\u68c4\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001CPU\u8ca0\u8377\u304c\u8efd\u6e1b\u3055\u308c\u3001\u51e6\u7406\u901f\u5ea6\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002.<\/p>\n

\u7b2c\u4e09\u306b\u3001\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u6ce8\u610f\u6df1\u304f\u7ba1\u7406\u3059\u308b\u3053\u3068<\/strong>. .\u5404CAN\u30d5\u30ec\u30fc\u30e0\u306f\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u53d7\u4fe1\u6642\u306b\u76f4\u3061\u306b\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u3092\u53d6\u5f97\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u306b\u306f\u30de\u30a4\u30af\u30ed\u79d2\u306e\u7cbe\u5ea6\u304c\u5fc5\u8981\u3067\u3059\u3002\u30af\u30e9\u30a6\u30c9\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306b\u306f\u3053\u306e\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u304c\u4ed8\u4e0e\u3055\u308c\u3001\u30af\u30e9\u30a6\u30c9\u306f\u3044\u3064\u30c7\u30fc\u30bf\u304c\u53ce\u96c6\u3055\u308c\u305f\u304b\u3092\u77e5\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002.<\/p>\n

SV910 \u306f PTP\/GPTP \u6642\u9593\u540c\u671f\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3068\u4ed6\u306e\u30c7\u30d0\u30a4\u30b9\u9593\u306e\u9ad8\u7cbe\u5ea6\u30af\u30ed\u30c3\u30af\u540c\u671f\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002\u30de\u30eb\u30c1\u30c7\u30d0\u30a4\u30b9\u306e\u5354\u8abf\u3092\u5fc5\u8981\u3068\u3059\u308b\u30b7\u30ca\u30ea\u30aa\u306b\u306f\u4e0d\u53ef\u6b20\u3067\u3059\u3002.<\/p>\n

\u30c7\u30fc\u30bf\u306e\u6b63\u78ba\u6027\u3082\u4fdd\u8a3c\u3055\u308c\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002CAN\u30d0\u30b9\u306f\u30a8\u30e9\u30fc\u30c1\u30a7\u30c3\u30af\u3092\u5185\u8535\u3057\u3066\u3044\u308b\u3068\u306f\u3044\u3048\u3001\u6642\u6298\u7834\u640d\u3057\u305f\u30c7\u30fc\u30bf\u304c\u73fe\u308c\u308b\u3002\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u4e8c\u6b21\u7684\u306a\u691c\u8a3c\u3092\u5fc5\u8981\u3068\u3059\u308b\u3002\u30a8\u30f3\u30b8\u30f3\u56de\u8ee2\u6570\u306e\u5834\u5408\u3001\u6b63\u5e38\u306a\u904b\u8ee2\u304c1000rpm\u304b\u30895000rpm\u306b\u7a81\u7136\u30b8\u30e3\u30f3\u30d7\u3057\u3066\u623b\u308b\u3053\u3068\u306f\u3042\u308a\u5f97\u307e\u305b\u3093\u3002\u305d\u306e\u3088\u3046\u306a\u7570\u5e38\u306a\u30c7\u30fc\u30bf\u306f\u3001\u76f4\u63a5\u4f7f\u7528\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u7591\u308f\u3057\u3044\u3082\u306e\u3068\u3057\u3066\u30d5\u30e9\u30b0\u3092\u7acb\u3066\u308b\u3002.<\/p>\n

\u30d0\u30b9\u306e\u7121\u97f3\u72b6\u614b\u3082\u51e6\u7406\u3059\u308b\u3002\u7279\u5b9a\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u9577\u671f\u9593\u53d7\u4fe1\u3055\u308c\u306a\u3044\u5834\u5408\u3001\u5bfe\u5fdc\u3059\u308bECU\u304c\u6545\u969c\u3057\u3066\u3044\u308b\u304b\u3001\u30d0\u30b9\u304c\u5207\u65ad\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u3053\u306e\u72b6\u614b\u3092\u691c\u51fa\u3057\u3001\u7570\u5e38\u3092\u5831\u544a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\u30c7\u30e5\u30a2\u30eb5G\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u30fc\u306e\u5229\u70b9<\/h2>\n

SV910\u306f\u30012\u3064\u306e5G\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u642d\u8f09\u3057\u305f\u30c7\u30e5\u30a2\u30eb5G\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u7279\u5fb4\u3068\u3057\u3066\u3044\u308b\u3002\u306a\u305c\u30c7\u30e5\u30a2\u30eb5G\u306a\u306e\u304b\uff1f<\/p>\n

\u7b2c\u4e00\u306e\u7406\u7531\u306f\u3001\u5197\u9577\u6027\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3067\u3042\u308b\u3002<\/strong>. .\u9577\u8ddd\u96e2\u30eb\u30fc\u30c8\u3092\u8d70\u308b\u5546\u7528\u8eca\u306f\u3001\u96fb\u6ce2\u306e\u60aa\u3044\u5730\u57df\u3092\u901a\u904e\u3059\u308b\u3053\u3068\u304c\u3042\u308b\u3002\u30b7\u30f3\u30b0\u30eb5G\u3067\u306f\u3001\u4fe1\u53f7\u304c\u9014\u7d76\u3048\u308b\u3068\u30c7\u30fc\u30bf\u901a\u4fe1\u304c\u3067\u304d\u306a\u304f\u306a\u308b\u3002\u30c7\u30e5\u30a2\u30eb5G\u3067\u306f\u3001\u4e2d\u56fd\u96fb\u4fe1\uff08\u30c1\u30e3\u30a4\u30ca\u30fb\u30c6\u30ec\u30b3\u30e0\uff09\u3068\u4e2d\u56fd\u806f\u901a\uff08\u30c1\u30e3\u30a4\u30ca\u30fb\u30e6\u30cb\u30b3\u30e0\uff09\u3001\u4e2d\u56fd\u79fb\u52d5\uff08\u30c1\u30e3\u30a4\u30ca\u30fb\u30e2\u30d0\u30a4\u30eb\uff09\u3068\u4e2d\u56fd\u806f\u901a\uff08\u30c1\u30e3\u30a4\u30ca\u30fb\u30e6\u30cb\u30b3\u30e0\uff09\u3068\u3044\u3063\u305f\u7570\u306a\u308b\u30ad\u30e3\u30ea\u30a2\u306eSIM\u30ab\u30fc\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3002\u7247\u65b9\u306e\u4fe1\u53f7\u304c\u52a3\u5316\u3057\u305f\u3089\u3001\u3082\u3046\u7247\u65b9\u306b\u5207\u308a\u66ff\u3048\u308b\u3002.<\/p>\n

\u5207\u308a\u66ff\u3048\u306f\u81ea\u52d5\u3067\u884c\u3048\u308b\u3002\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u4e21\u65b9\u306e5G\u30ea\u30f3\u30af\u306e\u4fe1\u53f7\u5f37\u5ea6\u3068\u9045\u5ef6\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u76e3\u8996\u3057\u3001\u54c1\u8cea\u304c\u826f\u3044\u65b9\u3092\u4f7f\u7528\u3059\u308b\u3002\u3042\u308b\u3044\u306f\u3001\u30ea\u30f3\u30af\u30a2\u30b0\u30ea\u30b2\u30fc\u30b7\u30e7\u30f3\u306e\u305f\u3081\u306b\u4e21\u65b9\u306e\u30ea\u30f3\u30af\u3092\u540c\u6642\u306b\u4f7f\u7528\u3057\u3001\u5e2f\u57df\u5e45\u30922\u500d\u306b\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002.<\/p>\n

\u7b2c\u4e8c\u306e\u7406\u7531\u306f\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u5206\u6563\u3067\u3042\u308b\u3002<\/strong>. .\u8eca\u4e21\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u901a\u5e38\u3001CAN\u30d0\u30b9\u30c7\u30fc\u30bf\u3001\u30ab\u30e1\u30e9\u6620\u50cf\u3001\u6e2c\u4f4d\u30c7\u30fc\u30bf\u3001V2X\u901a\u4fe1\u306a\u3069\u3001\u8907\u6570\u306e\u30c7\u30fc\u30bf\u30b9\u30c8\u30ea\u30fc\u30e0\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30c7\u30fc\u30bf\u30bf\u30a4\u30d7\u306f\u305d\u308c\u305e\u308c\u7279\u6027\u304c\u7570\u306a\u308a\u3001\u5fc5\u8981\u306a\u5e2f\u57df\u5e45\/\u9045\u5ef6\u3082\u7570\u306a\u308a\u307e\u3059\u3002.<\/p>\n

\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u5236\u5fa1\u30c7\u30fc\u30bf\u3092\u4e00\u65b9\u306e5G\u30ea\u30f3\u30af\u306b\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u91cf\u306e\u591a\u3044\u30d3\u30c7\u30aa\u3092\u3082\u3046\u4e00\u65b9\u306e5G\u30ea\u30f3\u30af\u306b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5e72\u6e09\u3092\u9632\u304e\u3001\u91cd\u8981\u306a\u30c7\u30fc\u30bf\u306e\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u914d\u4fe1\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002.<\/p>\n

\u7b2c\u4e09\u306e\u7406\u7531\u306f\u3001\u5b89\u5168\u4fdd\u969c\u4e0a\u306e\u9694\u96e2\u3067\u3042\u308b\u3002<\/strong>. .\u8eca\u4e21\u7ba1\u7406\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u3088\u3063\u3066\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u305f\u3081\u306b\u8eca\u4e21\u5236\u5fa1\u30c1\u30e3\u30f3\u30cd\u30eb\u3068\u30c7\u30fc\u30bf\u53ce\u96c6\u30c1\u30e3\u30f3\u30cd\u30eb\u3092\u7269\u7406\u7684\u306b\u5206\u96e2\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u30c7\u30e5\u30a2\u30eb5G\u306f\u3053\u306e\u8981\u4ef6\u3092\u5b8c\u74a7\u306b\u6e80\u305f\u3057\u3066\u3044\u308b\u3002\u5236\u5fa1\u30b3\u30de\u30f3\u30c9\u306f\u5c02\u7528\u30ea\u30f3\u30af\u3092\u4f7f\u7528\u3057\u3001\u53ce\u96c6\u30c7\u30fc\u30bf\u306f\u5225\u306e\u30ea\u30f3\u30af\u3092\u4f7f\u7528\u3059\u308b\u3002\u30cf\u30c3\u30ab\u30fc\u304c\u30c7\u30fc\u30bf\u30fb\u30c1\u30e3\u30cd\u30eb\u3092\u4fb5\u5bb3\u3057\u3066\u3082\u3001\u5236\u5fa1\u30b3\u30de\u30f3\u30c9\u3092\u6539\u3056\u3093\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3002.<\/p>\n

\u30d5\u30ea\u30fc\u30c8\u7ba1\u7406\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3068\u306e\u7d71\u5408<\/h2>\n

\"704ce1f0fc109f61b29494d0c34b7e95\"<\/p>\n

\u30c7\u30fc\u30bf\u3092\u53ce\u96c6\u3057\u305f\u5f8c\u3001\u8eca\u4e21\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u8eca\u4e21\u7ba1\u7406\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u3002\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u306f\u901a\u5e38\u3001\u8eca\u4e21\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u3001\u30eb\u30fc\u30c8\u518d\u751f\u3001\u7d71\u8a08\u30ec\u30dd\u30fc\u30c8\u3001\u6545\u969c\u8b66\u544a\u3001\u305d\u306e\u4ed6\u306e\u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b\u30af\u30e9\u30a6\u30c9\u30b5\u30fc\u30d3\u30b9\u3067\u3042\u308b\u3002.<\/p>\n

\u30c7\u30fc\u30bf\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u3042\u308b\u3002. MQTT\u304c\u6700\u3082\u4e00\u822c\u7684<\/strong>. .\u3053\u308c\u306f\u3001IoT\u306e\u305f\u3081\u306b\u7279\u5225\u306b\u8a2d\u8a08\u3055\u308c\u305f\u8efd\u91cf\u306e\u30e1\u30c3\u30bb\u30fc\u30b8\u30ad\u30e5\u30fc\u30fb\u30d7\u30ed\u30c8\u30b3\u30eb\u3060\u3002\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306fMQTT\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u30af\u30e9\u30a6\u30c9\u306eMQTT\u30b5\u30fc\u30d0\u30fc\u306b\u63a5\u7d9a\u3057\u3001\u5b9a\u671f\u7684\u306b\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u767a\u884c\u3059\u308b\u3002.<\/p>\n

MQTT\u306f\u7570\u306a\u308bQoS\uff08\u30b5\u30fc\u30d3\u30b9\u54c1\u8cea\uff09\u30ec\u30d9\u30eb\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u3002QoS 0\u306f\u591a\u304f\u3066\u30821\u56de - \u30d5\u30a1\u30a4\u30a2\u30fc\u30fb\u30a2\u30f3\u30c9\u30fb\u30d5\u30a9\u30fc\u30b2\u30c3\u30c8\u3001\u30ed\u30b9\u306e\u53ef\u80fd\u6027\u3042\u308a\u3002QoS 1\u306f\u6700\u4f4e1\u56de - \u914d\u9001\u306f\u4fdd\u8a3c\u3055\u308c\u308b\u304c\u3001\u91cd\u8907\u306e\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002QoS 2\u306f\u6b63\u78ba\u306b1\u56de - \u91cd\u8907\u306e\u306a\u3044\u914d\u4fe1\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002\u30c7\u30fc\u30bf\u306e\u91cd\u8981\u6027\u306b\u57fa\u3065\u3044\u3066\u9069\u5207\u306aQoS\u3092\u9078\u629e\u3057\u307e\u3059\u3002.<\/p>\n

HTTP\/HTTPS\u3082\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u308b<\/strong>. .\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u53ce\u96c6\u3057\u305f\u30c7\u30fc\u30bf\u3092\u5b9a\u671f\u7684\u306b\u30d1\u30c3\u30b1\u30fc\u30b8\u5316\u3057\u3001HTTP POST\u30ea\u30af\u30a8\u30b9\u30c8\u3067\u30af\u30e9\u30a6\u30c9API\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3059\u308b\u3002\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306f\u30b7\u30f3\u30d7\u30eb\u304b\u3064\u76f4\u63a5\u7684\u3067\u3001\u4e92\u63db\u6027\u3082\u9ad8\u3044\u3002\u30c7\u30e1\u30ea\u30c3\u30c8\u306f\u3001HTTP\u306e\u30aa\u30fc\u30d0\u30fc\u30d8\u30c3\u30c9\u304cMQTT\u3092\u4e0a\u56de\u308b\u3053\u3068\u3067\u3001\u9ad8\u983b\u5ea6\u306e\u5c0f\u898f\u6a21\u30c7\u30fc\u30bf\u9001\u4fe1\u306b\u306f\u3042\u307e\u308a\u9069\u3057\u3066\u3044\u306a\u3044\u3002.<\/p>\n

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\u8a3a\u65ad\u6a5f\u80fd\u306e\u5b9f\u88c5<\/h2>\n

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\u81ea\u52d5\u8eca\u306eECU\u306f\u8a3a\u65ad\u30c8\u30e9\u30d6\u30eb\u30fb\u30b3\u30fc\u30c9\uff08DTC\uff09\u3092\u751f\u6210\u3059\u308b\u3002\u30a8\u30f3\u30b8\u30f3\u304c\u6545\u969c\u3059\u308b\u3068\u3001P0001\u3084P0002\u306a\u3069\u306e\u30b3\u30fc\u30c9\u304c\u751f\u6210\u3055\u308c\u308b\u3002\u3053\u308c\u3089\u306e\u30b3\u30fc\u30c9\u306fECU\u306b\u4fdd\u5b58\u3055\u308c\u3001CAN\u30d0\u30b9\u7d4c\u7531\u3067\u8aad\u307f\u53d6\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n

\u6a19\u6e96\u7684\u306a\u8a3a\u65ad\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001ISO 14229\uff08UDS - Unified Diagnostic Services\uff09\u3068SAE J1939-73\u3067\u3059\u3002\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u8a3a\u65ad\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001ECU\u306b\u8a3a\u65ad\u8981\u6c42\u3092\u9001\u4fe1\u3057\u3066\u6545\u969c\u30b3\u30fc\u30c9\u3068\u95a2\u9023\u60c5\u5831\u3092\u8fd4\u3057\u307e\u3059\u3002.<\/p>\n

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\u7b2c\u4e8c\u306e\u6559\u8a13\uff1a\u8eca\u4e21\u306e\u6539\u9020\u306f\u898f\u5236\u306b\u5f93\u308f\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044<\/strong>. .\u5546\u7528\u8eca\u3078\u306e\u8eca\u4e21\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u53d6\u308a\u4ed8\u3051\u306f\u3001\u8eca\u4e21\u306e\u6539\u9020\u306b\u8a72\u5f53\u3059\u308b\u3002\u8eca\u4e21\u306e\u5b89\u5168\u6027\u80fd\u3092\u640d\u306a\u3046\u3053\u3068\u306a\u304f\u3001\u56fd\u3084\u5730\u57df\u306e\u898f\u5236\u8981\u4ef6\u3092\u6e80\u305f\u3059\u5fc5\u8981\u304c\u3042\u308b\u3002\u5730\u57df\u306b\u3088\u3063\u3066\u306f\u3001\u6539\u9020\u5f8c\u306b\u8eca\u4e21\u7ba1\u7406\u5f53\u5c40\u3078\u306e\u767b\u9332\u304c\u5fc5\u8981\u3068\u306a\u308b\u3002.<\/p>\n

\u7b2c3\u306e\u6559\u8a13\uff1a\u30c7\u30fc\u30bf\u30fb\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u4fdd\u8b77\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3042\u308b<\/strong>. .\u81ea\u52d5\u8eca\u306e\u8d70\u884c\u30eb\u30fc\u30c8\u3084\u6319\u52d5\u306f\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u306b\u95a2\u308f\u308b\u3002\u30c7\u30fc\u30bf\u4f1d\u9001\u3092\u6697\u53f7\u5316\u3057\u3001\u30b9\u30c8\u30ec\u30fc\u30b8\u3092\u533f\u540d\u5316\u3059\u308b\u3002\u30af\u30e9\u30a6\u30c9\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3078\u306e\u30a2\u30af\u30bb\u30b9\u306f\u3001\u8a31\u53ef\u5236\u5fa1\u304c\u5fc5\u8981\u3002.<\/p>\n

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  Last year while setting up a fleet management system for a logistics company, the client wanted real-time monitoring of fuel consumption, engine RPM, and coolant temperature for every truck. They didn’t just want data stored locally – everything needed streaming to the cloud platform so dispatchers could monitor vehicle status. Sounded straightforward enough. But once we got into it, pulling data from inside vehicles turned out way more complicated than expected. All vehicle information travels over CAN bus, but message formats vary wildly between vehicle models. Reading engine RPM from a FAW truck versus a Dongfeng truck means dealing with completely different CAN message IDs, data field positions, and […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"themepark_post_bcolor":"#f5f5f5","themepark_post_width":"1022px","themepark_post_img":"","themepark_post_img_po":"left","themepark_post_img_re":false,"themepark_post_img_cover":false,"themepark_post_img_fixed":false,"themepark_post_hide_title":false,"themepark_post_main_b":"","themepark_post_main_p":100,"themepark_paddingblock":false,"footnotes":""},"categories":[16],"tags":[83,51],"class_list":["post-6008","post","type-post","status-publish","format-standard","hentry","category-blog","tag-automotive-ethernet","tag-smart-transportation"],"metadata":{"classic-editor-remember":["classic-editor"],"_edit_lock":["1770111130:1"],"_edit_last":["1"],"themepark_seo_title":["Reading Vehicle Data Through CAN Bus: Practical Experience with Vehicle Gateways"],"themepark_seo_description":["Last year while setting up a fleet management system for a logistics company, the client wanted real-time monitoring of fuel consumption, engine RPM, and coolant temperature for every truck. 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