{"id":3699,"date":"2025-12-12T22:13:52","date_gmt":"2025-12-12T22:13:52","guid":{"rendered":"https:\/\/metisengineering.com\/?p=3699"},"modified":"2025-11-10T22:18:28","modified_gmt":"2025-11-10T22:18:28","slug":"dead-reckoning-technology-maintaining-vehicle-position-accuracy-during-gps-signal-loss","status":"publish","type":"post","link":"https:\/\/metisengineering.com\/zh\/dead-reckoning-technology-maintaining-vehicle-position-accuracy-during-gps-signal-loss\/","title":{"rendered":"\u60ef\u6027\u5bfc\u822a\u6280\u672f\uff1a\u5728 GPS \u4fe1\u53f7\u4e22\u5931\u65f6\u4fdd\u6301\u8f66\u8f86\u5b9a\u4f4d\u7cbe\u5ea6"},"content":{"rendered":"

\u5168\u7403\u5bfc\u822a\u536b\u661f\u7cfb\u7edf\u4e3a\u8f66\u8f86\u5b9a\u4f4d\u5e26\u6765\u4e86\u9769\u547d\u6027\u7684\u53d8\u5316\uff0c\u53ef\u5728\u5730\u7403\u4e0a\u4efb\u4f55\u6674\u7a7a\u53ef\u89c1\u7684\u5730\u65b9\u8fdb\u884c\u7cbe\u786e\u5b9a\u4f4d\u3002\u7136\u800c\uff0c\u4f9d\u8d56\u5168\u7403\u5bfc\u822a\u536b\u661f\u7cfb\u7edf\u7684\u7cfb\u7edf\u6070\u6070\u5728\u5b9a\u4f4d\u6570\u636e\u6700\u5173\u952e\u7684\u65f6\u5019\u5931\u7075\u4e86\uff1a\u5728\u57ce\u5e02\u5ce1\u8c37\u3001\u96a7\u9053\u3001\u5730\u4e0b\u901a\u9053\u3001\u591a\u5c42\u505c\u8f66\u573a\u548c\u5ba4\u5185\u6d4b\u8bd5\u8bbe\u65bd\u4e2d\u3002\u65e0\u8bba\u536b\u661f\u80fd\u89c1\u5ea6\u5982\u4f55\uff0c\u81ea\u52a8\u9a7e\u9a76\u6c7d\u8f66\u5f00\u53d1\u3001\u9ad8\u7ea7\u9a7e\u9a76\u8f85\u52a9\u7cfb\u7edf\u9a8c\u8bc1\u548c\u8f66\u8f86\u52a8\u529b\u5b66\u6d4b\u8bd5\u90fd\u9700\u8981\u8fde\u7eed\u7684\u5b9a\u4f4d\u6570\u636e\u3002\u60ef\u6027\u63a8\u7b97\u6280\u672f\u53ef\u5728\u5168\u7403\u5bfc\u822a\u536b\u661f\u7cfb\u7edf\u4e2d\u65ad\u671f\u95f4\u4fdd\u6301\u4f4d\u7f6e\u4f30\u8ba1\uff0c\u786e\u4fdd\u5173\u952e\u5e94\u7528\u83b7\u5f97\u4e0d\u95f4\u65ad\u7684\u6570\u636e\uff0c\u4ece\u800c\u89e3\u51b3\u4e86\u8fd9\u4e00\u57fa\u672c\u9650\u5236\u3002.<\/p>\n

\u4e86\u89e3\u6b7b\u7b97\u57fa\u672c\u539f\u7406<\/h2>\n

\u60ef\u6027\u5bfc\u822a\u662f\u4eba\u7c7b\u6700\u53e4\u8001\u7684\u5bfc\u822a\u6280\u672f\u4e4b\u4e00\uff0c\u5b83\u6839\u636e\u5148\u524d\u5df2\u77e5\u7684\u4f4d\u7f6e\u3001\u884c\u8fdb\u65b9\u5411\u3001\u901f\u5ea6\u548c\u6240\u7528\u65f6\u95f4\u8ba1\u7b97\u5f53\u524d\u4f4d\u7f6e\u3002\u5728\u7535\u5b50\u5b9a\u4f4d\u7cfb\u7edf\u51fa\u73b0\u4e4b\u524d\u7684\u51e0\u4e2a\u4e16\u7eaa\u91cc\uff0c\u822a\u6d77\u5bb6\u4eec\u4e00\u76f4\u4f7f\u7528\u60ef\u6027\u5bfc\u822a\uff0c\u5728\u5929\u4f53\u5bfc\u822a\u5b9a\u70b9\u4e4b\u95f4\u624b\u52a8\u8ffd\u8e2a\u8239\u53ea\u7684\u79fb\u52a8\u3002.<\/p>\n

\u73b0\u4ee3\u6c7d\u8f66\u60ef\u6027\u63a8\u7b97\u91c7\u7528\u4e86\u76f8\u540c\u7684\u57fa\u672c\u539f\u7406\uff0c\u5e76\u901a\u8fc7\u5148\u8fdb\u7684\u4f20\u611f\u5668\u548c\u8ba1\u7b97\u7b97\u6cd5\u8fdb\u884c\u4e86\u6539\u8fdb\u3002\u5305\u542b\u52a0\u901f\u5ea6\u8ba1\u548c\u9640\u87ba\u4eea\u7684\u60ef\u6027\u6d4b\u91cf\u5355\u5143\u53ef\u6d4b\u91cf\u8f66\u8f86\u7684\u4e09\u7ef4\u8fd0\u52a8\uff0c\u4ece\u800c\u8ba1\u7b97\u51fa\u5df2\u77e5\u8d77\u70b9\u7684\u4f4d\u7f6e\u53d8\u5316\u3002\u5728\u536b\u661f\u80fd\u89c1\u5ea6\u8f83\u9ad8\u7684\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e9b\u7cfb\u7edf\u4e0e\u5168\u7403\u5bfc\u822a\u536b\u661f\u7cfb\u7edf\u5b9a\u4f4d\u76f8\u7ed3\u5408\uff0c\u53ef\u63d0\u4f9b\u65e0\u7f1d\u4f4d\u7f6e\u8ddf\u8e2a\uff0c\u800c\u4e0d\u53d7\u4fe1\u53f7\u53ef\u7528\u6027\u7684\u5f71\u54cd\u3002.<\/p>\n

\u7cfb\u7559\u5f0f\u548c\u975e\u7cfb\u7559\u5f0f\u60ef\u6027\u5bfc\u822a\u65b9\u6cd5\u7684\u5173\u952e\u533a\u522b\u5728\u4e8e\u4f20\u611f\u5668\u96c6\u6210\u8981\u6c42\u3002\u7cfb\u7559\u7cfb\u7edf\u9700\u8981\u6765\u81ea\u8f66\u8f6e\u901f\u5ea6\u4f20\u611f\u5668\u3001\u8f6c\u5411\u89d2\u6d4b\u91cf\u6216\u8f66\u8f86 CAN \u6570\u636e\u7684\u5916\u90e8\u8f93\u5165\uff0c\u8fd9\u5c31\u9020\u6210\u4e86\u96c6\u6210\u7684\u590d\u6742\u6027\uff0c\u5e76\u9650\u5236\u4e86\u5bf9\u4e0d\u540c\u7c7b\u578b\u8f66\u8f86\u7684\u9002\u7528\u6027\u3002\u975e\u7cfb\u7559\u7cfb\u7edf\u5b8c\u5168\u72ec\u7acb\u8fd0\u884c\uff0c\u4ec5\u4f7f\u7528\u5185\u90e8\u60ef\u6027\u4f20\u611f\u5668\uff0c\u6d88\u9664\u4e86\u96c6\u6210\u969c\u788d\uff0c\u540c\u65f6\u63d0\u4f9b\u901a\u7528\u517c\u5bb9\u6027\u3002.<\/p>\n

\u57ce\u5e02\u5ce1\u8c37\u6311\u6218\u8d5b<\/h2>\n

\u73b0\u4ee3\u57ce\u5e02\u521b\u9020\u4e86\u5730\u7403\u4e0a\u6700\u5177\u6311\u6218\u6027\u7684 GNSS \u73af\u5883\u3002\u9ad8\u5927\u7684\u5efa\u7b51\u7269\u5f62\u6210\u4e86\u8857\u9053\u5ce1\u8c37\uff0c\u536b\u661f\u80fd\u89c1\u5ea6\u4ec5\u9650\u4e8e\u6b63\u4e0a\u65b9\u7684\u4e00\u7247\u72ed\u7a84\u5929\u7a7a\u3002GNSS \u4fe1\u53f7\u5728\u5efa\u7b51\u7269\u5916\u5899\u53cd\u5c04\u65f6\u4f1a\u4ea7\u751f\u591a\u5f84\u4f20\u64ad\uff0c\u4ece\u800c\u4ea7\u751f\u865a\u5047\u6d4b\u8ddd\uff0c\u5373\u4f7f\u536b\u661f\u7406\u8bba\u4e0a\u4ecd\u7136\u53ef\u89c1\uff0c\u4e5f\u4f1a\u964d\u4f4e\u5b9a\u4f4d\u7cbe\u5ea6\u3002.<\/p>\n

\u81ea\u52a8\u9a7e\u9a76\u6c7d\u8f66\u6d4b\u8bd5\u5fc5\u987b\u5728\u8fd9\u4e9b\u5177\u6709\u6311\u6218\u6027\u7684\u73af\u5883\u4e2d\u8fdb\u884c\uff0c\u56e0\u4e3a\u57ce\u5e02\u8fd0\u884c\u662f\u81ea\u52a8\u9a7e\u9a76\u6280\u672f\u7684\u4e3b\u8981\u90e8\u7f72\u573a\u666f\u3002\u7136\u800c\uff0c\u9a8c\u8bc1\u81ea\u52a8\u9a7e\u9a76\u7cfb\u7edf\u7684\u6027\u80fd\u9700\u8981\u7cbe\u786e\u7684\u5730\u9762\u5b9e\u51b5\u5b9a\u4f4d\u6570\u636e\uff0c\u800c\u8fd9\u6070\u6070\u662f\u5168\u7403\u5bfc\u822a\u536b\u661f\u7cfb\u7edf\u53ef\u9760\u6027\u6700\u4f4e\u7684\u65f6\u5019\u3002\u8fd9\u4e00\u77db\u76fe\u5386\u6765\u8feb\u4f7f\u4eba\u4eec\u505a\u51fa\u59a5\u534f\uff0c\u5305\u62ec\u5c06\u6d4b\u8bd5\u9650\u5236\u5728\u90ca\u533a\u3001\u90e8\u7f72\u6602\u8d35\u7684\u53c2\u8003\u7cfb\u7edf\u6216\u63a5\u53d7\u4f4d\u7f6e\u6570\u636e\u7684\u5dee\u8ddd\u3002.<\/p>\n

\u60ef\u6027\u5b9a\u4f4d\u5728 GNSS \u4fe1\u53f7\u4e2d\u65ad\u65f6\u4ecd\u80fd\u4fdd\u6301\u5b9a\u4f4d\u7cbe\u5ea6\uff0c\u4ece\u800c\u907f\u514d\u4e86\u4e0a\u8ff0\u95ee\u9898\u3002\u5f53\u8f66\u8f86\u5728\u5efa\u7b51\u7269\u4e4b\u95f4\u7a7f\u884c\u3001\u8fdb\u5165\u5730\u4e0b\u505c\u8f66\u573a\u6216\u9a76\u8fc7\u6709\u906e\u76d6\u7684\u533a\u57df\u65f6\uff0c\u60ef\u6027\u5b9a\u4f4d\u7cfb\u7edf\u4f1a\u65e0\u7f1d\u5730\u7ee7\u7eed\u63d0\u4f9b\u4f4d\u7f6e\u4f30\u8ba1\uff0c\u76f4\u5230\u536b\u661f\u80fd\u89c1\u5ea6\u6062\u590d\u3002\u5168\u7403\u5bfc\u822a\u536b\u661f\u7cfb\u7edf\u4fe1\u53f7\u6062\u590d\u540e\uff0c\u7cfb\u7edf\u4f1a\u81ea\u52a8\u91cd\u65b0\u6821\u51c6\uff0c\u65e0\u9700\u4eba\u5de5\u5e72\u9884\u5373\u53ef\u4fdd\u6301\u957f\u671f\u7cbe\u5ea6\u3002.<\/p>\n

\u96a7\u9053\u6d4b\u8bd5\u5e94\u7528<\/h2>\n

\u8bd5\u9a8c\u573a\u3001\u516c\u5171\u9053\u8def\u548c\u57ce\u5e02\u57fa\u7840\u8bbe\u65bd\u90fd\u5305\u62ec\u5b8c\u5168\u5c4f\u853d GNSS \u4fe1\u53f7\u7684\u96a7\u9053\u8def\u6bb5\u3002\u7535\u52a8\u6c7d\u8f66\u6d4b\u8bd5\u8d8a\u6765\u8d8a\u591a\u5730\u5728\u63d0\u4f9b\u53ef\u63a7\u70ed\u73af\u5883\u7684\u6c14\u5019\u5ba4\u4e2d\u8fdb\u884c\uff0c\u8fd9\u521b\u9020\u4e86\u53e6\u4e00\u4e2a\u5b8c\u5168\u4e0d\u4f7f\u7528\u5168\u7403\u5bfc\u822a\u536b\u661f\u7cfb\u7edf\u7684\u6d4b\u8bd5\u73af\u5883\u3002\u7535\u6c60\u6d4b\u8bd5\u8bbe\u65bd\u3001\u5ba4\u5185\u52a8\u529b\u5e73\u53f0\u548c\u98ce\u6d1e\u90fd\u9700\u8981\u5728\u6ca1\u6709\u536b\u661f\u63a5\u5165\u7684\u60c5\u51b5\u4e0b\u8fdb\u884c\u4f4d\u7f6e\u548c\u901f\u5ea6\u6d4b\u91cf\u3002.<\/p>\n

\u4f20\u7edf\u7684\u89e3\u51b3\u65b9\u6848\u5305\u62ec\u6fc0\u5149\u8ddf\u8e2a\u7cfb\u7edf\u3001\u672c\u5730\u5b9a\u4f4d\u4fe1\u6807\u6216\u63a5\u53d7\u6570\u636e\u95f4\u9699\uff0c\u6bcf\u79cd\u65b9\u6848\u90fd\u6709\u5176\u5c40\u9650\u6027\u3002\u6fc0\u5149\u8ddf\u8e2a\u9700\u8981\u6602\u8d35\u7684\u57fa\u7840\u8bbe\u65bd\u548c\u4e0e\u8f66\u8f86\u7684\u89c6\u7ebf\u8ddd\u79bb\u3002\u672c\u5730\u4fe1\u6807\u9700\u8981\u5728\u6bcf\u4e2a\u6d4b\u8bd5\u8bbe\u65bd\u8fdb\u884c\u5b89\u88c5\u548c\u6821\u51c6\u3002\u6570\u636e\u95f4\u9699\u4f1a\u5f71\u54cd\u5206\u6790\u8d28\u91cf\uff0c\u9700\u8981\u8fdb\u884c\u591a\u6b21\u6d4b\u8bd5\u624d\u80fd\u83b7\u5f97\u5b8c\u6574\u7684\u6570\u636e\u96c6\u3002.<\/p>\n

Metis Engineering \u7684 RD UDR GPS CAN \u4f20\u611f\u5668\u91c7\u7528\u65e0\u7ef3\u60ef\u6027\u5bfc\u822a\u6280\u672f\uff0c\u53ef\u5728\u65e0 GNSS \u7684\u73af\u5883\u4e2d\u63d0\u4f9b\u8fde\u7eed\u5b9a\u4f4d\u3002\u8be5\u4f20\u611f\u5668\u5728\u96a7\u9053\u3001\u5ba4\u5185\u8bbe\u65bd\u548c\u6674\u7a7a\u6761\u4ef6\u4e0b\u5747\u53ef\u6b63\u5e38\u5de5\u4f5c\uff0c\u65e0\u9700\u7279\u5b9a\u7684\u8bbe\u65bd\u57fa\u7840\u8bbe\u65bd\u6216\u8f85\u52a9\u5b9a\u4f4d\u7cfb\u7edf\u3002.<\/p>\n

\u81ea\u52a8\u9a7e\u9a76\u6c7d\u8f66\u9a8c\u8bc1\u8981\u6c42<\/h2>\n

\u81ea\u52a8\u9a7e\u9a76\u7cfb\u7edf\u5fc5\u987b\u8bc1\u660e\u5728\u6240\u6709\u73af\u5883\u4e0b\u90fd\u80fd\u5b89\u5168\u8fd0\u884c\uff0c\u5305\u62ec\u90a3\u4e9b\u5168\u7403\u5bfc\u822a\u536b\u661f\u7cfb\u7edf\u53ef\u9760\u6027\u53d7\u5230\u5f71\u54cd\u7684\u73af\u5883\u3002\u9a8c\u8bc1\u8981\u6c42\u5728\u9ad8\u65f6\u95f4\u5206\u8fa8\u7387\u4e0b\u6bd4\u8f83\u9884\u5b9a\u7684\u8f66\u8f86\u8f68\u8ff9\u548c\u5b9e\u9645\u4f4d\u7f6e\uff0c\u627e\u51fa\u53ef\u80fd\u8868\u660e\u5b9a\u4f4d\u5931\u8d25\u6216\u63a7\u5236\u7cfb\u7edf\u95ee\u9898\u7684\u4efb\u4f55\u5dee\u5f02\u3002.<\/p>\n

\u5730\u9762\u5b9e\u51b5\u5b9a\u4f4d\u6570\u636e\u5fc5\u987b\u4fdd\u6301\u51c6\u786e\u6027\uff0c\u4e0d\u53d7\u81ea\u4e3b\u7cfb\u7edf\u81ea\u8eab\u5b9a\u4f4d\u89e3\u51b3\u65b9\u6848\u7684\u5f71\u54cd\u3002\u5982\u679c\u9a8c\u8bc1\u4f9d\u8d56\u4e8e\u81ea\u4e3b\u7cfb\u7edf\u4f7f\u7528\u7684\u76f8\u540c\u5168\u7403\u5bfc\u822a\u536b\u661f\u7cfb\u7edf\u4fe1\u53f7\uff0c\u90a3\u4e48\u5f71\u54cd\u8f66\u8f86\u8fd0\u884c\u7684\u6545\u969c\u540c\u6837\u4f1a\u635f\u5bb3\u9a8c\u8bc1\u6570\u636e\u3002\u8fd9\u79cd\u5faa\u73af\u6027\u59a8\u788d\u4e86\u5728\u5168\u7403\u5bfc\u822a\u536b\u661f\u7cfb\u7edf\u4e2d\u65ad\u671f\u95f4\u8fdb\u884c\u6709\u610f\u4e49\u7684\u5b89\u5168\u8bc4\u4f30\u3002.<\/p>\n

\u60ef\u6027\u63a8\u7b97\u53ef\u63d0\u4f9b\u72ec\u7acb\u7684\u5730\u9762\u5b9e\u51b5\u5b9a\u4f4d\uff0c\u5728\u81ea\u4e3b\u8f66\u8f86\u5b9a\u4f4d\u9047\u5230\u56f0\u96be\u65f6\u7ee7\u7eed\u8fd0\u884c\u3002\u8fd9\u79cd\u72ec\u7acb\u6027\u53ef\u9a8c\u8bc1\u7cfb\u7edf\u5982\u4f55\u4ece\u5bb9\u5e94\u5bf9 GNSS \u6027\u80fd\u8870\u51cf\uff0c\u5907\u7528\u5b9a\u4f4d\u6a21\u5f0f\u662f\u5426\u9002\u5f53\u542f\u52a8\uff0c\u4ee5\u53ca\u5728\u6311\u6218\u6027\u6761\u4ef6\u4e0b\u662f\u5426\u80fd\u7ee7\u7eed\u5b89\u5168\u8fd0\u884c\u3002.<\/p>\n

UDR GPS CAN \u4f20\u611f\u5668 20Hz \u7684\u66f4\u65b0\u7387\u4e3a\u81ea\u52a8\u9a7e\u9a76\u8f66\u8f86\u9a8c\u8bc1\u63d0\u4f9b\u4e86\u8db3\u591f\u7684\u65f6\u95f4\u5206\u8fa8\u7387\uff0c\u540c\u65f6\u4fdd\u6301\u4e86\u53ef\u7ba1\u7406\u7684\u6570\u636e\u91cf\u3002\u6bcf 50 \u6beb\u79d2\u4e00\u6b21\u7684\u4f4d\u7f6e\u66f4\u65b0\u53ef\u6355\u6349\u6b63\u5e38\u673a\u52a8\u8fc7\u7a0b\u4e2d\u7684\u8f66\u8f86\u52a8\u6001\uff0c\u540c\u65f6\u8fd8\u80fd\u5bf9\u5173\u952e\u4e8b\u4ef6\u4e2d\u7684\u7cfb\u7edf\u884c\u4e3a\u8fdb\u884c\u8be6\u7ec6\u5206\u6790\u3002.<\/p>\n

\u62c9\u529b\u8d5b\u548c\u8d5b\u8f66\u8fd0\u52a8\u9065\u6d4b<\/h2>\n

\u62c9\u529b\u8d5b\u8fd0\u52a8\u7ed9\u5b9a\u4f4d\u5e26\u6765\u4e86\u6781\u5927\u7684\u6311\u6218\uff0c\u56e0\u4e3a\u8f66\u8f86\u5728\u68ee\u6797\u3001\u60ac\u5d16\u5ced\u58c1\u4e4b\u95f4\u3001\u6df1\u8c37\u548c\u5176\u4ed6\u536b\u661f\u80fd\u89c1\u5ea6\u4e0d\u65ad\u53d8\u5316\u7684\u73af\u5883\u4e2d\u9ad8\u901f\u884c\u9a76\u3002\u4f20\u7edf\u7684\u7eaf\u5168\u7403\u5bfc\u822a\u536b\u661f\u7cfb\u7edf\u7ecf\u5e38\u51fa\u73b0\u4fe1\u53f7\u4e22\u5931\uff0c\u5bfc\u81f4\u9065\u6d4b\u6570\u636e\u51fa\u73b0\u7f3a\u53e3\uff0c\u800c\u6b64\u65f6\u6b63\u662f\u8f66\u8f86\u6027\u80fd\u53d1\u6325\u5230\u6781\u9650\u3001\u6570\u636e\u6700\u5b9d\u8d35\u7684\u65f6\u5019\u3002.<\/p>\n

\u65e0\u8bba\u536b\u661f\u80fd\u89c1\u5ea6\u5982\u4f55\uff0c\u60ef\u6027\u5bfc\u822a\u6280\u672f\u90fd\u80fd\u5728\u6574\u4e2a\u62c9\u529b\u8d5b\u8d5b\u6bb5\u8fdb\u884c\u8fde\u7eed\u5b9a\u4f4d\u8ddf\u8e2a\u3002\u8f66\u961f\u53ef\u83b7\u5f97\u5b8c\u6574\u7684\u8f66\u8f86\u8f68\u8ff9\u6570\u636e\uff0c\u4e3a\u6027\u80fd\u5206\u6790\u3001\u8f66\u624b\u6307\u5bfc\u548c\u8f66\u8f86\u8bbe\u7f6e\u4f18\u5316\u63d0\u4f9b\u652f\u6301\u3002\u8be5\u6280\u672f\u8fd8\u5177\u6709\u5b89\u5168\u4f18\u52bf\uff0c\u53ef\u5728\u9700\u8981\u8fdb\u884c\u4e8b\u6545\u54cd\u5e94\u6216\u8f66\u8f86\u6062\u590d\u65f6\u786e\u5b9a\u7cbe\u786e\u4f4d\u7f6e\u3002.<\/p>\n

\u8d5b\u9053\u6bd4\u8d5b\u9762\u4e34\u7740\u4e0d\u540c\u7684\u6311\u6218\uff0c\u5305\u62ec\u7ef4\u4fee\u7ad9\u5efa\u7b51\u3001\u770b\u53f0\u548c\u8d5b\u9053\u8fb9\u7684\u7ed3\u6784\uff0c\u8fd9\u4e9b\u90fd\u4f1a\u5468\u671f\u6027\u5730\u963b\u65ad GNSS \u4fe1\u53f7\u3002\u867d\u7136\u4fe1\u53f7\u5b8c\u5168\u4e22\u5931\u7684\u65f6\u95f4\u53ef\u80fd\u5f88\u77ed\uff0c\u4f46\u4fe1\u53f7\u4e2d\u65ad\u4f1a\u5728\u7279\u5b9a\u7684\u8d5b\u9053\u4f4d\u7f6e\u4e00\u5708\u63a5\u4e00\u5708\u5730\u53d1\u751f\uff0c\u4ece\u800c\u65e0\u6cd5\u5bf9\u8fd9\u4e9b\u4f4d\u7f6e\u7684\u8f66\u8f86\u884c\u4e3a\u8fdb\u884c\u8be6\u7ec6\u5206\u6790\u3002\u60ef\u6027\u63a8\u7b97\u6d88\u9664\u4e86\u8fd9\u4e9b\u76f2\u70b9\uff0c\u4e3a\u6574\u4e2a\u8d5b\u9053\u5e03\u5c40\u63d0\u4f9b\u5b8c\u6574\u7684\u4f4d\u7f6e\u6570\u636e\u3002.<\/p>\n

UDR GPS CAN \u4f20\u611f\u5668\u7ed3\u6784\u575a\u56fa\uff0c\u53ef\u627f\u53d7\u8d5b\u8f66\u5e94\u7528\u4e2d\u5178\u578b\u7684\u5267\u70c8\u632f\u52a8\u3001\u91cd\u529b\u548c\u73af\u5883\u6761\u4ef6\u3002\u7d27\u51d1\u7684\u5c3a\u5bf8\u548c\u6700\u5c0f\u7684\u91cd\u91cf\u786e\u4fdd\u4e86\u5b89\u88c5\u4e0d\u4f1a\u5f71\u54cd\u8f66\u8f86\u7684\u52a8\u529b\u6027\uff0c\u4e5f\u4e0d\u9700\u8981\u5bf9\u5e95\u76d8\u8fdb\u884c\u6539\u88c5\u3002.<\/p>\n

\u9ad8\u7ea7\u8f66\u8f86\u52a8\u529b\u5b66\u5206\u6790<\/h2>\n

\u8fdb\u884c\u64cd\u63a7\u5f00\u53d1\u3001\u7a33\u5b9a\u6027\u63a7\u5236\u9a8c\u8bc1\u548c\u9a7e\u9a76\u8212\u9002\u6027\u8bc4\u4f30\u7684\u8f66\u8f86\u52a8\u529b\u5b66\u5de5\u7a0b\u5e08\u9700\u8981\u5728\u52a8\u6001\u64cd\u7eb5\u8fc7\u7a0b\u4e2d\u83b7\u5f97\u7cbe\u786e\u7684\u4f4d\u7f6e\u548c\u901f\u5ea6\u6570\u636e\u3002\u5305\u62ec\u53d8\u9053\u3001\u9636\u8dc3\u8f6c\u5411\u8f93\u5165\u548c\u907f\u969c\u5728\u5185\u7684\u6d4b\u8bd5\u7a0b\u5e8f\u6d89\u53ca\u8f66\u8f86\u7684\u5feb\u901f\u79fb\u52a8\uff0c\u56e0\u6b64\u4f4d\u7f6e\u7cbe\u5ea6\u81f3\u5173\u91cd\u8981\u3002.<\/p>\n

\u5c06\u9ad8\u66f4\u65b0\u7387\u4f4d\u7f6e\u6570\u636e\u4e0e\u8f6c\u5411\u89d2\u3001\u504f\u822a\u7387\u548c\u6a2a\u5411\u52a0\u901f\u5ea6\u7b49\u8f66\u8f86\u4f20\u611f\u5668\u4fe1\u606f\u76f8\u7ed3\u5408\uff0c\u53ef\u5b9e\u73b0\u590d\u6742\u7684\u5206\u6790\u6280\u672f\u3002\u5de5\u7a0b\u5e08\u53ef\u4ee5\u9a8c\u8bc1\u7535\u5b50\u7a33\u5b9a\u6027\u63a7\u5236\u7684\u542f\u52a8\u9608\u503c\uff0c\u8bc4\u4f30\u8def\u5f84\u8ddf\u8e2a\u7684\u51c6\u786e\u6027\uff0c\u5e76\u5c06\u9a7e\u9a76\u5458\u7684\u8f93\u5165\u4e0e\u8f66\u8f86\u7684\u54cd\u5e94\u8054\u7cfb\u8d77\u6765\u3002.<\/p>\n

\u4fa7\u6ed1\u89d2\u6d4b\u5b9a\u4e3a\u8f66\u8f86\u52a8\u529b\u5b66\u63d0\u4f9b\u4e86\u5b9d\u8d35\u7684\u89c1\u89e3\uff0c\u4f46\u9700\u8981\u8d28\u91cf\u8db3\u591f\u9ad8\u7684\u5b9a\u4f4d\u6570\u636e\uff0c\u4ee5\u533a\u5206\u8f66\u8f86\u822a\u5411\u548c\u884c\u9a76\u65b9\u5411\u3002\u60ef\u6027\u63a8\u7b97\u6280\u672f\u5b9e\u73b0\u4e86\u8fde\u7eed\u5b9a\u4f4d\uff0c\u6d88\u9664\u4e86 GNSS \u4e22\u5931\u7684\u590d\u6742\u6027\uff0c\u800c\u8fd9\u79cd\u590d\u6742\u6027\u4e00\u76f4\u4ee5\u6765\u90fd\u5c06\u4fa7\u6ed1\u5206\u6790\u9650\u5236\u5728\u7279\u5b9a\u6d4b\u8bd5\u5730\u70b9\u6216\u4eba\u4e3a\u6761\u4ef6\u4e0b\u3002.<\/p>\n

Metis Engineering \u63d0\u4f9b\u4e86\u8be6\u7ec6\u7684\u6848\u4f8b\u7814\u7a76\uff0c\u5c55\u793a\u4e86\u4f7f\u7528 UDR \u4f20\u611f\u5668\u8fdb\u884c\u62c9\u529b\u8d5b\u8f66\u4fa7\u6ed1\u6d4b\u91cf\u7684\u60c5\u51b5\uff0c\u5c55\u793a\u4e86\u5728\u5168\u7403\u5bfc\u822a\u536b\u661f\u7cfb\u7edf\u53ef\u9760\u6027\u53d7\u5230\u7279\u522b\u6311\u6218\u7684\u677e\u6563\u8def\u9762\u4e0a\u6fc0\u70c8\u9a7e\u9a76\u65f6\uff0c\u901a\u8fc7\u8fde\u7eed\u5b9a\u4f4d\u8fdb\u884c\u5206\u6790\u7684\u53ef\u80fd\u6027\u3002.<\/p>\n

\u96c6\u6210\u7b80\u5355\uff0c\u901a\u7528\u517c\u5bb9<\/h2>\n

\u8fd9\u79cd\u4e0d\u53d7\u7ea6\u675f\u7684\u65b9\u6cd5\u6d88\u9664\u4e86\u96c6\u6210\u7684\u590d\u6742\u6027\uff0c\u800c\u96c6\u6210\u7684\u590d\u6742\u6027\u4e00\u76f4\u9650\u5236\u7740\u6b7b\u533a\u8ba1\u7b97\u7684\u5e94\u7528\u3002\u4e0a\u4e00\u4ee3\u7cfb\u7edf\u9700\u8981\u8f66\u8f6e\u901f\u5ea6\u8f93\u5165\u3001\u8f6c\u5411\u89d2\u6d4b\u91cf\u6216\u8f66\u8f86 CAN \u8fde\u63a5\uff0c\u8fd9\u5c31\u5e26\u6765\u4e86\u7279\u5b9a\u5e94\u7528\u7684\u5de5\u7a0b\u8bbe\u8ba1\u3001\u6821\u51c6\u8981\u6c42\u4ee5\u53ca\u4e0d\u540c\u8f66\u8f86\u5e73\u53f0\u4e4b\u95f4\u7684\u6f5c\u5728\u517c\u5bb9\u6027\u95ee\u9898\u3002.<\/p>\n

UDR GPS CAN \u4f20\u611f\u5668\u53ef\u5728\u4e58\u7528\u8f66\u3001\u5546\u7528\u8f66\u3001\u6469\u6258\u8f66\u3001\u975e\u516c\u8def\u8bbe\u5907\u548c\u4efb\u4f55\u5176\u4ed6\u9700\u8981\u4f4d\u7f6e\u548c\u901f\u5ea6\u6d4b\u91cf\u7684\u5e94\u7528\u4e2d\u8fdb\u884c\u76f8\u540c\u7684\u64cd\u4f5c\u3002\u8fd9\u79cd\u901a\u7528\u6027\u6d88\u9664\u4e86\u5bf9\u8f66\u8f86\u4e13\u7528\u53d8\u4f53\u7684\u9700\u6c42\uff0c\u964d\u4f4e\u4e86\u6d4b\u8bd5\u8bbe\u65bd\u5e93\u5b58\u7684\u590d\u6742\u6027\uff0c\u5e76\u5b9e\u73b0\u4e86\u5728\u4e0d\u540c\u6d4b\u8bd5\u8f66\u961f\u4e2d\u7684\u5feb\u901f\u90e8\u7f72\u3002.<\/p>\n

\u5b89\u88c5\u65f6\u53ea\u9700\u8fde\u63a5\u7535\u6e90\u548c CAN \u603b\u7ebf\u63a5\u53e3\uff0c\u4f20\u611f\u5668\u542f\u52a8\u540e\u7acb\u5373\u5f00\u59cb\u4f4d\u7f6e\u4f20\u8f93\u3002\u65e0\u9700\u521d\u59cb\u5316\u7a0b\u5e8f\u3001\u6821\u51c6\u7a0b\u5e8f\u6216\u53c2\u8003\u4f4d\u7f6e\u8f93\u5165\uff0c\u4e0e\u7cfb\u7559\u7cfb\u7edf\u76f8\u6bd4\uff0c\u5927\u5927\u7f29\u77ed\u4e86\u90e8\u7f72\u65f6\u95f4\u3002.<\/p>\n

\u7528\u4e8e\u6d4b\u8bd5\u7cfb\u7edf\u96c6\u6210\u7684 CAN \u603b\u7ebf\u901a\u4fe1<\/h2>\n

\u73b0\u4ee3\u8f66\u8f86\u6d4b\u8bd5\u91c7\u7528\u6570\u636e\u91c7\u96c6\u7cfb\u7edf\uff0c\u4ece\u5206\u5e03\u5728\u8f66\u8f86\u5404\u5904\u7684\u6570\u5341\u4e2a\u6216\u6570\u767e\u4e2a\u4f20\u611f\u5668\u91c7\u96c6\u4fe1\u606f\u3002CAN \u901a\u4fe1\u662f\u6c7d\u8f66\u4f20\u611f\u5668\u7f51\u7edc\u7684\u4e3b\u6d41\u534f\u8bae\uff0c\u53ef\u63d0\u4f9b\u7a33\u5b9a\u3001\u6297\u566a\u58f0\u7684\u6570\u636e\u4f20\u8f93\uff0c\u9002\u5408\u6076\u52a3\u7684\u6d4b\u8bd5\u73af\u5883\u3002.<\/p>\n

UDR GPS CAN \u4f20\u611f\u5668\u901a\u8fc7\u4e0e\u4efb\u4f55\u57fa\u4e8e CAN \u7684\u6570\u636e\u91c7\u96c6\u7cfb\u7edf\u517c\u5bb9\u7684\u53ef\u914d\u7f6e CAN \u63a5\u53e3\u4f20\u8f93\u5b8c\u6574\u7684\u4f4d\u7f6e\u3001\u901f\u5ea6\u548c\u65f6\u95f4\u6570\u636e\u3002\u5de5\u7a0b\u5e08\u53ef\u901a\u8fc7\u6807\u51c6 CAN \u62a5\u6587\u683c\u5f0f\u63a5\u6536\u7eac\u5ea6\u3001\u7ecf\u5ea6\u3001\u9ad8\u5ea6\u3001\u5730\u9762\u822a\u5411\u548c\u901f\u5ea6\uff0c\u65e0\u9700\u4e13\u7528 GPS \u63a5\u6536\u5668\u6216\u4e32\u884c\u5230 CAN \u7684\u8f6c\u6362\u786c\u4ef6\u3002.<\/p>\n

\u8fd9\u79cd\u53ef\u914d\u7f6e\u65b9\u6cd5\u4f7f\u4f20\u611f\u5668\u80fd\u591f\u5b89\u88c5\u5728\u73b0\u6709\u7684\u8f66\u8f86 CAN \u7f51\u7edc\u4e0a\uff0c\u800c\u4e0d\u4f1a\u53d1\u751f\u5bfb\u5740\u51b2\u7a81\u6216\u62a5\u6587\u78b0\u649e\u3002\u7cfb\u7edf\u96c6\u6210\u5546\u53ef\u4ee5\u8c03\u6574 CAN \u6bd4\u7279\u7387\u548c\u62a5\u6587\u6807\u8bc6\u7b26\uff0c\u4ee5\u6ee1\u8db3\u7279\u5b9a\u6d4b\u8bd5\u7cfb\u7edf\u7684\u8981\u6c42\uff0c\u786e\u4fdd\u4e0d\u540c\u5e73\u53f0\u548c\u6570\u636e\u91c7\u96c6\u67b6\u6784\u4e4b\u95f4\u7684\u517c\u5bb9\u6027\u3002.<\/p>\n

\u6027\u80fd\u6bd4\u8f83\uff1a\u6807\u51c6 GPS \u4e0e\u60ef\u6027\u5bfc\u822a GPS<\/h2>\n

RD 50Hz GPS CAN \u4f20\u611f\u5668\u53ef\u5728 GNSS \u4fe1\u53f7\u53ef\u7528\u65f6\u63d0\u4f9b\u9ad8\u66f4\u65b0\u7387\u5b9a\u4f4d\uff0c\u4e3a\u9700\u8981\u6700\u5927\u65f6\u95f4\u5206\u8fa8\u7387\u7684\u5e94\u7528\u63d0\u4f9b 50Hz \u529f\u80fd\u3002\u8fd9\u79cd\u4f20\u611f\u5668\u4e3b\u8981\u9002\u7528\u4e8e\u5728\u5f00\u9614\u5929\u7a7a\u6761\u4ef6\u4e0b\u8fd0\u884c\u7684\u5e94\u7528\uff0c\u5728\u8fd9\u79cd\u6761\u4ef6\u4e0b\uff0cGNSS \u7684\u53ef\u9760\u6027\u4ecd\u7136\u5f88\u9ad8\uff0c\u4f46\u5bf9\u66f4\u65b0\u901f\u7387\u7684\u8981\u6c42\u8d85\u8fc7\u4e86\u4f20\u7edf GPS \u7684\u80fd\u529b\u3002.<\/p>\n

UDR \u53d8\u4f53\u727a\u7272\u4e86\u6700\u5927\u66f4\u65b0\u7387\uff08\u5de5\u4f5c\u9891\u7387\u4e3a 20Hz\uff09\uff0c\u4ee5\u6362\u53d6\u5728\u4fe1\u53f7\u4e22\u5931\u65f6\u4ecd\u80fd\u4fdd\u6301\u5b9a\u4f4d\u7684\u6b7b\u533a\u63a8\u7b97\u529f\u80fd\u3002\u8fd9\u79cd\u6743\u8861\u9002\u7528\u4e8e\u8fde\u7eed\u8986\u76d6\u6bd4\u6700\u5927\u66f4\u65b0\u7387\u66f4\u6709\u4ef7\u503c\u7684\u5e94\u7528\uff0c\u5305\u62ec\u57ce\u5e02\u6d4b\u8bd5\u3001\u96a7\u9053\u4f5c\u4e1a\u548c\u4efb\u4f55\u95f4\u6b47\u6027 GNSS \u53ef\u7528\u6027\u7684\u73af\u5883\u3002.<\/p>\n

\u8981\u5728\u8fd9\u4e9b\u9009\u9879\u4e2d\u505a\u51fa\u9009\u62e9\uff0c\u9700\u8981\u4e86\u89e3\u5e94\u7528\u7684\u4f18\u5148\u7ea7\u3002\u5f00\u653e\u73af\u5883\u4e2d\u7684\u7535\u8def\u6d4b\u8bd5\u53ef\u80fd\u4f18\u5148\u8003\u8651\u6700\u5927\u66f4\u65b0\u7387\u3002\u800c\u57ce\u5e02\u81ea\u52a8\u9a7e\u9a76\u8f66\u8f86\u9a8c\u8bc1\u5219\u8981\u6c42\u6301\u7eed\u8986\u76d6\uff0c\u65e0\u8bba\u536b\u661f\u80fd\u89c1\u5ea6\u5982\u4f55\u3002\u8bb8\u591a\u673a\u6784\u540c\u65f6\u90e8\u7f72\u4e86\u8fd9\u4e24\u79cd\u53d8\u4f53\uff0c\u4f7f\u7528 50Hz \u4f20\u611f\u5668\u8fdb\u884c\u8bd5\u9a8c\u573a\u6d4b\u8bd5\uff0c\u4f7f\u7528 UDR \u4f20\u611f\u5668\u8fdb\u884c\u6311\u6218\u6027\u73af\u5883\u4e0b\u7684\u516c\u5171\u9053\u8def\u9a8c\u8bc1\u3002.<\/p>\n

\u5168\u7403\u5bfc\u822a\u536b\u661f\u7cfb\u7edf\u4e2d\u65ad\u671f\u95f4\u7684\u6280\u672f\u6027\u80fd<\/h2>\n

\u5728\u5168\u7403\u5bfc\u822a\u536b\u661f\u7cfb\u7edf\u957f\u65f6\u95f4\u4e2d\u65ad\u671f\u95f4\uff0c\u7531\u4e8e\u5fae\u5c0f\u7684\u60ef\u6027\u6d4b\u91cf\u8bef\u5dee\u4f1a\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\u800c\u4e0d\u65ad\u7d2f\u79ef\uff0c\u56e0\u6b64\u60ef\u6027\u63a8\u7b97\u7684\u7cbe\u5ea6\u5fc5\u7136\u4f1a\u4e0b\u964d\u3002\u4e0d\u8fc7\uff0c\u5178\u578b\u7684\u6c7d\u8f66\u5168\u7403\u5bfc\u822a\u536b\u661f\u7cfb\u7edf\u4e2d\u65ad\u6301\u7eed\u65f6\u95f4\u4e3a\u51e0\u79d2\u5230\u51e0\u5206\u949f\uff0c\u800c\u4e0d\u662f\u51e0\u5c0f\u65f6\uff0c\u56e0\u6b64\u8bef\u5dee\u7d2f\u79ef\u88ab\u9650\u5236\u5728\u5927\u591a\u6570\u5e94\u7528\u53ef\u63a5\u53d7\u7684\u6c34\u5e73\u3002.<\/p>\n

\u4fe1\u53f7\u4e22\u5931\u65f6\u7684\u6027\u80fd\u53d6\u51b3\u4e8e\u8f66\u8f86\u52a8\u6001\u3001\u4e2d\u65ad\u6301\u7eed\u65f6\u95f4\u548c\u8fd0\u52a8\u590d\u6742\u7a0b\u5ea6\u3002\u5300\u901f\u76f4\u7ebf\u884c\u9a76\u662f\u6700\u7b80\u5355\u7684\u60c5\u51b5\uff0c\u8bef\u5dee\u7d2f\u79ef\u6700\u5c0f\u3002\u6025\u8f6c\u5f2f\u3001\u52a0\u901f\u548c\u51cf\u901f\u5219\u4f1a\u9020\u6210\u66f4\u5177\u6311\u6218\u6027\u7684\u60c5\u51b5\uff0c\u60ef\u6027\u6d4b\u91cf\u8bef\u5dee\u4f1a\u4ea7\u751f\u66f4\u5927\u7684\u5f71\u54cd\u3002.<\/p>\n

\u5728\u5168\u7403\u5bfc\u822a\u536b\u661f\u7cfb\u7edf\u4fe1\u53f7\u6062\u590d\u540e\uff0c\u7cfb\u7edf\u4f1a\u901a\u8fc7\u5361\u5c14\u66fc\u6ee4\u6ce2\u6280\u672f\u81ea\u52a8\u4fee\u6b63\u7d2f\u79ef\u8bef\u5dee\uff0c\u4ece\u800c\u4f18\u5316\u6df7\u5408\u60ef\u6027\u548c\u536b\u661f\u5b9a\u4f4d\u6570\u636e\u3002\u8fd9\u79cd\u81ea\u52a8\u91cd\u65b0\u6821\u51c6\u53ef\u4fdd\u6301\u957f\u671f\u7cbe\u5ea6\uff0c\u65e0\u9700\u4eba\u5de5\u5e72\u9884\u6216\u540e\u5904\u7406\u6821\u6b63\u3002.<\/p>\n

\u7535\u6e90\u7ba1\u7406\u548c\u8fd0\u884c\u6548\u7387<\/h2>\n

\u8fde\u7eed\u60ef\u6027\u5904\u7406\u9700\u8981\u7535\u80fd\uff0c\u8fd9\u7ed9\u7535\u6c60\u4f9b\u7535\u7684\u5e94\u7528\u6216\u5bf9\u529f\u8017\u8981\u6c42\u6700\u4f4e\u7684\u7cfb\u7edf\u5e26\u6765\u4e86\u9690\u5fe7\u3002\u4e0d\u8fc7\uff0c\u73b0\u4ee3\u5fae\u673a\u7535\u7cfb\u7edf\uff08MEMS\uff09\u60ef\u6027\u4f20\u611f\u5668\u7684\u529f\u8017\u4ec5\u4e3a\u6beb\u74e6\uff0c\u4e0e\u5176\u4ed6\u8f66\u8f86\u7cfb\u7edf\u76f8\u6bd4\uff0c\u5bf9\u7535\u529b\u7684\u5f71\u54cd\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\u3002.<\/p>\n

UDR GPS CAN \u4f20\u611f\u5668\u53ef\u5728\u5bbd\u8f93\u5165\u7535\u538b\u8303\u56f4\u5185\u5de5\u4f5c\uff0c\u9002\u7528\u4e8e\u4ece 12V \u4e58\u7528\u8f66\u300124V \u5546\u7528\u8f66\u5230\u9ad8\u538b\u7535\u52a8\u8f66\u8f85\u52a9\u7cfb\u7edf\u7684\u4e0d\u540c\u8f66\u8f86\u7535\u6c14\u67b6\u6784\u3002\u8fd9\u79cd\u7075\u6d3b\u6027\u6d88\u9664\u4e86\u5916\u90e8\u7535\u6e90\u8f6c\u6362\u6216\u8f66\u8f86\u4e13\u7528\u53d8\u4f53\u7684\u9700\u8981\u3002.<\/p>\n

\u6587\u6863\u548c\u96c6\u6210\u652f\u6301<\/h2>\n

\u5305\u62ec\u89c4\u683c\u8868\u3001\u7528\u6237\u624b\u518c\u3001CAN DBC \u6587\u4ef6\u548c\u96c6\u6210\u6307\u5357\u5728\u5185\u7684\u5168\u9762\u6280\u672f\u6587\u6863\u652f\u6301\u5728\u5404\u79cd\u5e94\u7528\u4e2d\u7684\u5feb\u901f\u90e8\u7f72\u3002Metis \u5de5\u7a0b\u516c\u53f8\u5728\u6574\u4e2a\u96c6\u6210\u8fc7\u7a0b\u4e2d\u63d0\u4f9b\u6280\u672f\u652f\u6301\uff0c\u786e\u4fdd\u6210\u529f\u5b89\u88c5\u548c\u6700\u4f73\u6027\u80fd\u3002.<\/p>\n

\u4f7f\u7528 CAN \u901a\u4fe1\u548c\u6c7d\u8f66\u7ea7\u8fde\u63a5\u5668\u7684\u6807\u51c6\u5316\u65b9\u6cd5\u4f7f\u7ecf\u9a8c\u4e30\u5bcc\u7684\u8f66\u8f86\u6d4b\u8bd5\u5de5\u7a0b\u5e08\u65e0\u9700\u4e13\u4e1a\u57f9\u8bad\u6216\u652f\u6301\u5373\u53ef\u5b8c\u6210\u5b89\u88c5\u3002\u4e0d\u8fc7\uff0c\u5bf9\u4e8e\u590d\u6742\u7684\u5b89\u88c5\u6216\u72ec\u7279\u7684\u8981\u6c42\uff0c\u4ecd\u53ef\u63d0\u4f9b\u9488\u5bf9\u5177\u4f53\u5e94\u7528\u7684\u6307\u5bfc\u3002.<\/p>\n

\u8f66\u8f86\u5b9a\u4f4d\u7684\u672a\u6765<\/h2>\n

\u968f\u7740\u81ea\u52a8\u9a7e\u9a76\u6c7d\u8f66\u7684\u666e\u53ca\u548c\u9ad8\u7ea7\u9a7e\u9a76\u8f85\u52a9\u7cfb\u7edf\u6210\u4e3a\u6807\u51c6\u914d\u7f6e\uff0c\u5bf9\u5728\u5404\u79cd\u73af\u5883\u4e0b\u90fd\u80fd\u53ef\u9760\u8fd0\u884c\u7684\u5f3a\u5927\u5b9a\u4f4d\u6280\u672f\u7684\u9700\u6c42\u5c06\u4e0d\u65ad\u589e\u52a0\u3002\u4ec5\u6709\u5168\u7403\u5bfc\u822a\u536b\u661f\u7cfb\u7edf\u7684\u89e3\u51b3\u65b9\u6848\u65e0\u6cd5\u6ee1\u8db3\u8fd9\u4e9b\u8981\u6c42\uff0c\u56e0\u6b64\u5bf9\u4e8e\u5b89\u5168\u8981\u6c42\u6781\u9ad8\u7684\u6c7d\u8f66\u5e94\u7528\u6765\u8bf4\uff0c\u6b7b\u533a\u63a8\u7b97\u529f\u80fd\u81f3\u5173\u91cd\u8981\u3002.<\/p>\n

UDR GPS CAN \u4f20\u611f\u5668\u5728\u4e13\u4e3a\u6c7d\u8f66\u7814\u53d1\u8bbe\u8ba1\u7684\u8f6f\u4ef6\u5305\u4e2d\u63d0\u4f9b\u4e86\u6210\u719f\u7684\u4e0d\u53d7\u7ea6\u675f\u7684\u60ef\u6027\u5bfc\u822a\u6280\u672f\u3002\u4ece\u81ea\u52a8\u9a7e\u9a76\u8f66\u8f86\u9a8c\u8bc1\u5230\u8d5b\u8f66\u9065\u6d4b\u548c\u8f66\u8f86\u52a8\u529b\u5b66\u6d4b\u8bd5\uff0c\u65e0\u8bba\u536b\u661f\u80fd\u89c1\u5ea6\u5982\u4f55\uff0c\u90fd\u80fd\u8fdb\u884c\u8fde\u7eed\u5b9a\u4f4d\uff0c\u4ece\u800c\u5b9e\u73b0\u7eaf GNSS \u7cfb\u7edf\u65e0\u6cd5\u652f\u6301\u7684\u5e94\u7528\u3002.<\/p>\n

\u5982\u9700\u8be6\u7ec6\u89c4\u683c\u3001\u6280\u672f\u6587\u4ef6\u6216\u8ba8\u8bba\u5b9a\u4f4d\u8981\u6c42\uff0c\u8bf7\u76f4\u63a5\u8054\u7cfb Metis Engineering\u3002\u5bf9\u60ef\u6027\u5bfc\u822a\u6280\u672f\u7684\u6295\u8d44\u6d88\u9664\u4e86\u7eaf\u5168\u7403\u5bfc\u822a\u536b\u661f\u7cfb\u7edf\u5b9a\u4f4d\u7cfb\u7edf\u7684\u5c40\u9650\u6027\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

Global Navigation Satellite Systems revolutionised vehicle positioning, enabling precise location determination anywhere on Earth with clear sky visibility. However, GNSS-dependent systems fail exactly when positioning […]<\/p>\n","protected":false},"author":27,"featured_media":3700,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[226],"tags":[],"class_list":["post-3699","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-reference"],"acf":[],"yoast_head":"\nDead Reckoning Technology: Maintaining Vehicle Position Accuracy During GPS Signal Loss - Metis Engineering<\/title>\n<meta name=\"description\" content=\"Global Navigation Satellite Systems revolutionised vehicle positioning, enabling precise location determination anywhere on Earth with clear sky\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/metisengineering.com\/zh\/dead-reckoning-technology-maintaining-vehicle-position-accuracy-during-gps-signal-loss\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dead Reckoning Technology: Maintaining Vehicle Position Accuracy During GPS Signal Loss - 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