{"id":1010,"date":"2020-10-05T12:21:00","date_gmt":"2020-10-05T12:21:00","guid":{"rendered":"https:\/\/oxts.com\/?p=1010"},"modified":"2025-04-30T22:35:48","modified_gmt":"2025-04-30T22:35:48","slug":"what-is-an-accelerometer-and-how-do-they-work","status":"publish","type":"post","link":"https:\/\/www.oxts.com\/zh\/what-is-an-accelerometer-and-how-do-they-work\/","title":{"rendered":"\u4ec0\u4e48\u662f\u52a0\u901f\u5ea6\u8ba1\uff0c\u5b83\u4eec\u5982\u4f55\u5de5\u4f5c\uff1f"},"content":{"rendered":"
\n
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\n \n \n \n \n\n\n \n\n

\u4ec0\u4e48\u662f\u52a0\u901f\u5ea6\u8ba1\uff0c\u5b83\u4eec\u5982\u4f55\u5de5\u4f5c\uff1f<\/h3>\n\n \n\n\n \n\n

\u52a0\u901f\u5ea6\u8ba1\u662f\u5927\u591a\u6570\u60ef\u6027\u5bfc\u822a\u7cfb\u7edf\u4e2d\u4f7f\u7528\u7684\u4f20\u611f\u5668\u7c7b\u578b\u4e4b\u4e00\u3002\u4ece\u540d\u5b57\u5c31\u80fd\u731c\u5230\uff0c\u5b83\u4eec\u662f\u52a0\u901f\u5ea6\u4f20\u611f\u5668\uff0c\u6d4b\u91cf\u7684\u662f\u52a0\u901f\u5ea6\uff0c\u800c\u4e0d\u662f\u901f\u5ea6\u3002<\/h5>\n\n\n
\n

\u60a8\u53ef\u80fd\u8fd8\u8bb0\u5f97\uff0c\u52a0\u901f\u5ea6\u7684 SI \u5355\u4f4d\u662f m\/s\u00b2\uff08\u8868\u793a\uff1a\u7c73\/\u79d2\u7684\u5e73\u65b9\uff09\uff0c\u8fd9\u53d6\u51b3\u4e8e\u60a8\u6709\u591a\u4e45\u6ca1\u6709\u63a5\u89e6\u8fc7\u7269\u4f53\u7684\u7269\u7406\u7279\u6027\u4e86\u30021 m\/s\u00b2 \u8868\u793a\u6bcf\u591a\u8fc7\u4e00\u79d2\uff0c\u7269\u4f53\u7684\u901f\u5ea6\u5c31\u4f1a\u591a\u589e\u52a0 1 m\/s\uff08\u8868\u793a\uff1a\u7c73\u6bcf\u79d2\uff09\u3002<\/p>\n

\u867d\u7136\u60ef\u6027\u5bfc\u822a\u7cfb\u7edf\u4e0d\u80fd\u76f4\u63a5\u6d4b\u91cf\u901f\u5ea6\uff0c\u4f46\u901a\u8fc7\u8bb0\u5f55\u52a0\u901f\u5ea6\u7684\u5927\u5c0f\u548c\u6301\u7eed\u65f6\u95f4\uff0cINS \u53ef\u4ee5\u901a\u8fc7\u52a0\u901f\u5ea6\u4e58\u4ee5\u65f6\u95f4\u8f7b\u677e\u8ba1\u7b97\u51fa\u901f\u5ea6\u3002<\/p>\n

\u4f8b\u5982\uff0c\u5982\u679c\u5b83\u770b\u5230\u7684\u52a0\u901f\u5ea6\u4e3a\u00a02.5 \u7c73\/\u79d2\u00b2\uff0c\u6301\u7eed 5 \u79d2<\/strong>\uff0c\u5e76\u5047\u8bbe\u521d\u59cb\u901f\u5ea6\u4e3a\u00a00 \u7c73\/\u79d2<\/strong>\u90a3\u4e48 INS \u73b0\u5728\u7684\u901f\u5ea6\u4e00\u5b9a\u662f\u00a012.5 \u7c73\/\u79d2\uff082.5 \u7c73\/\u79d2\u00b2 \u00d7 5 \u79d2 = 12.5 \u7c73\/\u79d2\uff09<\/strong>.<\/p>\n

\u8ddd\u79bb\u4e5f\u53ef\u4ee5\u8ba1\u7b97\u3002\u8ba1\u7b97\u65b9\u6cd5\u5982\u4e0b\u00a0s = 0.5 \u00d7 at\u00b2<\/strong><\/p>\n

\u5728\u54ea\u91cc\uff1f<\/p>\n

    \n
  • s \u662f\u8ddd\u79bb<\/li>\n
  • a \u662f\u52a0\u901f\u5ea6<\/li>\n
  • t \u4e3a\u65f6\u95f4<\/li>\n<\/ul>\n

    \u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5047\u8bbe\u60ef\u6027\u5bfc\u822a\u7cfb\u7edf\u770b\u5230\u4e86 X \u8f74\u4e0a\u7684\u52a0\u901f\u5ea6\uff0c\u5c31\u53ef\u4ee5\u8ba1\u7b97\u51fa\u5b83\u5411\u524d\u79fb\u52a8\u4e86\u00a031.25 \u7c73\uff080.5 \u00d7 2.5 \u7c73\/\u79d2\u00b2 \u00d7 5 \u79d2\u00b2 = 31.25 \u7c73\uff09\u3002<\/strong><\/p>\n

    \u56e0\u6b64\uff0c\u62e5\u6709\u4e09\u4e2a\u52a0\u901f\u5ea6\u8ba1\u662f\u975e\u5e38\u6709\u7528\u7684\uff0c\u5c24\u5176\u662f\u5f53\u5b83\u4eec\u4ee5\u76f8\u4e92\u5782\u76f4\u7684\u65b9\u5f0f\u6392\u5217\u65f6\uff0c\u56e0\u4e3a\u5b83\u4eec\u53ef\u4ee5\u8ba9 INS \u6d4b\u91cf\u4e09\u7ef4\u7a7a\u95f4\u4e2d\u7684\u52a0\u901f\u5ea6\uff0c\u5e76\u8ba1\u7b97\u884c\u8fdb\u7684\u8ddd\u79bb\u548c\u5f53\u524d\u7684\u901f\u5ea6\u3002\u7136\u800c\uff0c\u5f53\u4eba\u4eec\u7b2c\u4e00\u6b21\u770b\u5230\u4e09\u8f74\u52a0\u901f\u5ea6\u8ba1\u8f93\u51fa\u7684\u6570\u636e\u65f6\uff0c\u5f80\u5f80\u4f1a\u611f\u5230\u56f0\u60d1\uff0c\u4e3a\u4ec0\u4e48\u6307\u5411\u4e0b\u65b9\u7684\u8f74\u663e\u793a\u7684\u52a0\u901f\u5ea6\u4e3a-9.81 m\/s\u00b2\uff1f\u8981\u56de\u7b54\u8fd9\u4e2a\u95ee\u9898\uff0c\u6211\u4eec\u9700\u8981\u4e86\u89e3\u52a0\u901f\u5ea6\u8ba1\u7684\u5de5\u4f5c\u539f\u7406\u4ee5\u53ca\u5b9e\u9645\u6d4b\u91cf\u5185\u5bb9\u3002<\/p>\n

    \u8fd9\u65f6\uff0c\u4f60\u53ef\u80fd\u4f1a\u60f3\uff0c'\u7b49\u7b49\uff01\u4f60\u521a\u624d\u8bf4\u52a0\u901f\u5ea6\u8ba1\u6d4b\u91cf\u7684\u662f\u52a0\u901f\u5ea6\"\u3002\u867d\u7136\u52a0\u901f\u5ea6\u8ba1\u786e\u5b9e\u53ef\u4ee5\u6d4b\u91cf\u52a0\u901f\u5ea6\uff0c\u4f46\u6211\u4eec\u4e0d\u60f3\u6df7\u6dc6\u89c6\u542c\uff0c\u6211\u4eec\u8bf4\u52a0\u901f\u5ea6\u8ba1\u6d4b\u91cf\u7684\u5b9e\u9645\u4e0a\u662f\u76f8\u5bf9\u4e8e\u81ea\u7531\u843d\u4f53\u7684\u52a0\u901f\u5ea6--\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u9759\u6b62\u72b6\u6001\u4e0b\u7684\u5782\u76f4\u52a0\u901f\u5ea6\u8ba1\u663e\u793a\u7684\u8bfb\u6570\u662f-9.81 m\/s\u00b2\u3002\u5982\u679c\u8fd8\u4e0d\u660e\u767d\uff0c\u8bf7\u4e0d\u8981\u62c5\u5fc3\uff0c\u4e0b\u4e00\u8282\u5c06\u5bf9\u6b64\u8fdb\u884c\u89e3\u91ca\u3002<\/p>\n\n <\/div>\n\n <\/div>\n <\/div>\n \n \n <\/div>\n\n\n

    \n
    \n
    \n \n \n \n \n\n\n \n\n\n \n\n\n \n\n
    \u52a0\u901f\u5ea6\u8ba1\u6d4b\u91cf\u4ec0\u4e48\uff1f<\/h5>\n\n\n
    \n

    \u90a3\u4e48\uff0c\u52a0\u901f\u5ea6\u8ba1\u6d4b\u91cf\u4ec0\u4e48\u5462\uff1f\u4f60\u80af\u5b9a\u542c\u8bf4\u8fc7\u725b\u987f\u7235\u58eb\u8fd9\u4e2a\u540d\u5b57\uff0c\u5e76\u8bb0\u5f97\u4ed6\u5199\u8fc7\u4e00\u4e9b\u8fd0\u52a8\u5b9a\u5f8b\u3002\u725b\u987f\u7684\u7b2c\u4e00\u6761\u5b9a\u5f8b\u544a\u8bc9\u6211\u4eec\uff0c\u9664\u975e\u6709\u67d0\u79cd\u529b\u4f5c\u7528\u5728\u7269\u4f53\u4e0a\uff0c\u5426\u5219\u7269\u4f53\u5c06\u4fdd\u6301\u5b8c\u5168\u9759\u6b62\uff0c\u6216\u4ee5\u76f8\u540c\u7684\u901f\u5ea6\u7ee7\u7eed\u8fd0\u52a8\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u8981\u4f7f\u7269\u4f53\u8fd0\u52a8\u6216\u6539\u53d8\u5176\u901f\u5ea6\uff0c\u6211\u4eec\u9700\u8981\u65bd\u52a0\u4e00\u4e2a\u529b\u3002\u4ed6\u7684\u7b2c\u4e8c\u6761\u89c4\u5219\u63cf\u8ff0\u4e86\u7269\u4f53\u7684\u52a0\u901f\u5ea6\u4e0e\u4f5c\u7528\u5728\u7269\u4f53\u4e0a\u7684\u529b\u548c\u7269\u4f53\u7684\u8d28\u91cf\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u53ef\u4ee5\u603b\u7ed3\u4e3a\u00a0\u529b = \u8d28\u91cf \u00d7 \u52a0\u901f\u5ea6\uff08F = ma\uff09\u3002<\/strong><\/p>\n

    \u52a0\u901f\u5ea6\u8ba1\u5229\u7528\u725b\u987f\u7b2c\u4e8c\u8fd0\u52a8\u5b9a\u5f8b\u4e2d\u63cf\u8ff0\u7684\u539f\u7406\u6d4b\u91cf\u76f8\u5bf9\u4e8e\u81ea\u7531\u843d\u4f53\u7684\u52a0\u901f\u5ea6\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u52a0\u901f\u5ea6\u8ba1\u6d4b\u91cf\u7684\u662f\u4f5c\u7528\u5728\u5df2\u77e5\u8d28\u91cf\u4e0a\u7684\u76f8\u5bf9\u529b\uff0c\u5e76\u4ee5\u6b64\u8ba1\u7b97\u51fa\u5b83\u5fc5\u987b\u627f\u53d7\u7684\u52a0\u901f\u5ea6\u3002\u4e3a\u4e86\u7406\u89e3\u8fd9\u4e00\u70b9\uff0c\u8ba9\u6211\u4eec\u5148\u753b\u4e00\u4e2a\u7b80\u5355\u7684\u52a0\u901f\u5ea6\u4f20\u611f\u5668\u3002<\/p>\n

    \u4ece\u56fe\u4e2d\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u52a0\u901f\u5ea6\u8ba1\u5305\u542b\u4e00\u4e2a\u5df2\u77e5\u8d28\u91cf\uff0c\u5b83\u8fde\u63a5\u5230\u4e00\u4e2a\u80fd\u591f\u6d4b\u91cf\u529b\u7684\u4f20\u611f\u5668\u4e0a\u3002\u4f46\u8bf7\u6ce8\u610f\uff0c\u8d28\u91cf\u88ab\u9650\u5236\u5728\u52a0\u901f\u5ea6\u8ba1\u7684\u5916\u58f3\u5185\uff0c\u53ea\u80fd\u5411\u5de6\u6216\u5411\u53f3\u79fb\u52a8--\u8fd9\u5c31\u5b9a\u4e49\u4e86\u52a0\u901f\u5ea6\u8ba1\u7684\u6d4b\u91cf\u8f74\u3002<\/strong><\/p>\n\n <\/div>\n\n <\/div>\n <\/div>\n \n \n <\/div>\n\n\n \n

    \n
    \n
    \n \n \n\n \n\n\n \n \n \n \n \"Accelerometer\"\n\n <\/picture>\n\n\n \n <\/div>\n <\/div>\n <\/div>\n\n\n
    \n
    \n
    \n \n \n \n \n\n\n \n\n\n \n\n\n \n\n
    \u52a0\u901f\u5ea6\u8ba1\u5982\u4f55\u5de5\u4f5c\uff1f<\/h5>\n\n\n
    \n
    \n
    \n
    \n

    \u90a3\u4e48\uff0c\u52a0\u901f\u5ea6\u8ba1\u5728\u73b0\u5b9e\u4e16\u754c\u4e2d\u662f\u5982\u4f55\u5de5\u4f5c\u7684\u5462\uff1f\u4e0b\u56fe\u663e\u793a\u4e86\u5c06\u52a0\u901f\u5ea6\u8ba1\u4f20\u611f\u5668\u5b89\u88c5\u5728\u6c7d\u8f66\u4e0a\u65f6\u53d1\u751f\u7684\u60c5\u51b5\u3002\u56fe\u4e2d\u663e\u793a\u4e86\u6c7d\u8f66\u7684\u56db\u79cd\u72b6\u6001\uff1a\u9759\u6b62\u3001\u52a0\u901f\u3001\u5300\u901f\u5de1\u822a\u548c\u5236\u52a8\u3002\u60a8\u53ef\u4ee5\u770b\u5230\u52a0\u901f\u5ea6\u8ba1\u5185\u7684\u8d28\u91cf\u5728\u6bcf\u79cd\u60c5\u51b5\u4e0b\u7684\u53d8\u5316\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n <\/div>\n\n <\/div>\n <\/div>\n \n \n <\/div>\n\n\n

    \n
    \n
    \n \n \n \n \n\n\n \n\n\n \n\n\n \n\n
    \u9759\u6001<\/h5>\n\n\n
    \n

    \u5f53\u6c7d\u8f66\u5904\u4e8e\u9759\u6b62\u72b6\u6001\u65f6\uff0c\u8d28\u91cf\u4fdd\u6301\u5728\u4e2d\u5fc3\u4f4d\u7f6e\uff0c\u56e0\u4e3a\u6ca1\u6709\u529b\u4f5c\u7528\u5728\u5b83\u8eab\u4e0a\uff08\u81f3\u5c11\u4e0d\u662f\u6cbf\u7740\u6d4b\u91cf\u8f74\uff09\u3002<\/p>\n\n <\/div>\n\n <\/div>\n <\/div>\n \n \n <\/div>\n\n\n \n

    \n
    \n
    \n \n \n\n \n\n\n \n \n \n \n \"Accelerometer\n <\/picture>\n\n\n \n <\/div>\n <\/div>\n <\/div>\n\n\n
    \n
    \n
    \n \n \n \n \n\n\n \n\n\n \n\n\n \n\n
    \u5de1\u822a<\/h5>\n\n\n
    \n

    \u5f53\u6c7d\u8f66\u4ee5\u6052\u5b9a\u7684\u901f\u5ea6\u884c\u9a76\u65f6\uff0c\u4f20\u611f\u5668\u68c0\u6d4b\u4e0d\u5230\u529b\uff0c\u52a0\u901f\u5ea6\u8ba1\u4e5f\u68c0\u6d4b\u4e0d\u5230\u529b\uff0c\u56e0\u6b64\u8d28\u91cf\u4e0d\u4f1a\u8bb0\u5f55\u52a0\u901f\u5ea6--\u5c31\u50cf\u9759\u6001\u6c7d\u8f66\u4e00\u6837\u3002<\/p>\n\n <\/div>\n\n <\/div>\n <\/div>\n \n \n <\/div>\n\n\n \n

    \n
    \n
    \n \n \n\n \n\n\n \n \n \n \n \"Accelerometer\n <\/picture>\n\n\n \n <\/div>\n <\/div>\n <\/div>\n\n\n
    \n
    \n
    \n \n \n \n \n\n\n \n\n\n \n\n\n \n\n
    \u52a0\u901f<\/h5>\n\n\n
    \n

    \u5f53\u6c7d\u8f66\u52a0\u901f\u548c\u5239\u8f66\u65f6\uff0c\u8d28\u91cf\u4f1a\u79fb\u52a8\u3002\u52a0\u901f\u65f6\uff0c\u8d28\u91cf\u5411\u4f20\u611f\u5668\u540e\u65b9\u79fb\u52a8\u3002<\/p>\n\n <\/div>\n\n <\/div>\n <\/div>\n \n \n <\/div>\n\n\n \n

    \n
    \n
    \n \n \n\n \n\n\n \n \n \n \n \"Accelerometer\n <\/picture>\n\n\n \n <\/div>\n <\/div>\n <\/div>\n\n\n
    \n
    \n
    \n \n \n \n \n\n\n \n\n\n \n\n\n \n\n
    \u5236\u52a8<\/h5>\n\n\n
    \n

    \u5236\u52a8\u65f6\uff0c\u8d28\u91cf\u5411\u524d\u65b9\u79fb\u52a8\u3002\u6c7d\u8f66\u5239\u8f66\u548c\u52a0\u901f\u7684\u529b\u5ea6\u8d8a\u5927\uff0c\u8d28\u91cf\u79fb\u52a8\u7684\u8ddd\u79bb\u5c31\u8d8a\u8fdc\u3002<\/p>\n\n <\/div>\n\n <\/div>\n <\/div>\n \n \n <\/div>\n\n\n \n

    \n
    \n
    \n \n \n\n \n\n\n \n \n \n \n \"Accelerometer\n <\/picture>\n\n\n \n <\/div>\n <\/div>\n <\/div>\n\n\n
    \n
    \n
    \n \n \n \n \n\n\n \n\n\n \n\n\n \n\n\n\n
    \n

    \u53ea\u8981\u8d28\u91cf\u53d1\u751f\u4f4d\u79fb\uff0c\u6d4b\u91cf\u529b\u7684\u4f20\u611f\u5668\u5c31\u4f1a\u8bb0\u5f55\u4e00\u4e2a\u503c\u3002\u7531\u4e8e\u4f20\u611f\u5668\u77e5\u9053\u8d28\u91cf\u548c\u4f5c\u7528\u5728\u8d28\u91cf\u4e0a\u7684\u529b\uff0c\u56e0\u6b64\u53ef\u4ee5\u8f7b\u677e\u8ba1\u7b97\u51fa\u5bfc\u81f4\u8d28\u91cf\u79fb\u52a8\u7684\u52a0\u901f\u5ea6\u3002<\/p>\n

    \u867d\u7136\u8fd9\u770b\u8d77\u6765\u5f88\u5408\u4e4e\u903b\u8f91\uff0c\u4f46\u5b83\u65e0\u6cd5\u89e3\u91ca\u4e3a\u4ec0\u4e48\u5782\u76f4\u653e\u7f6e\u5728\u5730\u677f\u4e0a\u7684\u52a0\u901f\u5ea6\u8ba1\u4f1a\u4ea7\u751f 9.81 m\/s\u00b2 \u7684\u6570\u503c\uff0c\u5373\u4f7f\u5730\u677f\u663e\u7136\u6ca1\u6709\u79fb\u52a8\u3002\u800c\u81ea\u7531\u843d\u4f53\u72b6\u6001\u4e0b\u7684\u52a0\u901f\u5ea6\u8ba1\u5728\u7a7a\u4e2d\u4e0b\u843d\u65f6\u660e\u663e\u5728\u52a0\u901f\uff0c\u5374\u663e\u793a\u96f6\u52a0\u901f\u5ea6\uff1f\u7b54\u6848\u5c31\u5728\u8fd9\u91cc\u3002<\/p>\n

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