{"id":3829,"date":"2022-08-10T19:21:55","date_gmt":"2022-08-10T11:21:55","guid":{"rendered":"https:\/\/www.chinaautoregs.com\/?p=3829"},"modified":"2022-09-01T09:02:25","modified_gmt":"2022-09-01T01:02:25","slug":"gb-t-41588-4-2022%e8%8b%b1%e6%96%87%e7%89%88%e7%bf%bb%e8%af%91-%e9%81%93%e8%b7%af%e8%bd%a6%e8%be%86%e6%8e%a7%e5%88%b6%e5%99%a8%e5%b1%80%e5%9f%9f%e7%bd%91%ef%bc%88can%ef%bc%89%e7%ac%ac4%e9%83%a8","status":"publish","type":"post","link":"https:\/\/www.chinaautoregs.com\/?p=3829","title":{"rendered":"GB\/T 41588.4-2022\u82f1\u6587\u7248\u7ffb\u8bd1\u300a\u9053\u8def\u8f66\u8f86\u63a7\u5236\u5668\u5c40\u57df\u7f51\uff08CAN\uff09\u7b2c4\u90e8\u5206\uff1a\u65f6\u95f4\u89e6\u53d1\u901a\u4fe1\u300b"},"content":{"rendered":"

ChinaAutoRegs\uff5cGB\/T 41588.4-2022\u82f1\u6587\u7248\u7ffb\u8bd1 \u9053\u8def\u8f66\u8f86\u63a7\u5236\u5668\u5c40\u57df\u7f51\uff08CAN\uff09\u7b2c4\u90e8\u5206\uff1a\u65f6\u95f4\u89e6\u53d1\u901a\u4fe1
\nRoad Vehicles\u2014Controller Area Network (CAN)\u2014Part 4: Time-Triggered Communication<\/p>\n

<\/p>\n

\"\"<\/p>\n

CONTENTS<\/p>\n

Foreword III
\nIntroduction IV
\n1 Scope 1
\n2 Normative References 1
\n3 Terms and Definitions 1
\n4 Abbreviated Terms 5
\n5 Basic Concepts of Time-Triggered Bus 5
\n6 Timing and Synchronization Features 9
\n7 Sending and Receiving 12
\n8 Initialization and Fault Tolerance of Time Masters 16
\n9 Failure Handling 18
\n10 Visible Interfaces 22
\nBibliography 26<\/p>\n

\u5f15 \u8a00<\/p>\n

\u63a7\u5236\u5668\u5c40\u57df\u7f51(CAN),\u662f\u4e00\u79cd\u4e32\u884c\u901a\u4fe1\u534f\u8bae,\u5177\u6709\u5b9e\u65f6\u6027 \u5f3a\u3001\u9ad8 \u53ef\u9760\u6027\u3001\u4f4e \u6210\u672c\u7b49\u7279\u70b9,\u652f \u6301\u5206\u5e03\u5f0f \u5b9e\u65f6\u63a7\u5236\u548c\u591a\u8def\u590d\u7528,\u5e7f\u6cdb\u7528\u4e8e\u9053\u8def\u8f66\u8f86\u548c\u5176\u4ed6\u63a7\u5236\u9886\u57df,\u662f\u56fd\u9645\u4e0a\u5e94\u7528\u6700\u5e7f\u6cdb\u7684\u73b0\u573a\u603b\u7ebf\u4e4b\u4e00\u3002\u672c\u6587 \u4ef6\u65e8\u5728\u89c4\u8303\u9ad8\u901f CAN \u6a21\u5757\u6570\u636e\u94fe\u8def\u5c42\u5e27\u683c\u5f0f\u76f8\u5173\u53c2\u6570\u53ca\u9519\u8bef\u5904\u7406\u7b49\u4fe1\u606f\u3002
\nGB\/T41588\u300a\u9053\u8def\u8f66\u8f86 \u63a7\u5236\u5668\u5c40\u57df\u7f51(CAN)\u300b\u5305\u542b\u4ee5\u4e0b\u56db\u4e2a\u90e8\u5206\u3002
\n\u2014\u2014\u2014\u7b2c1\u90e8\u5206:\u6570\u636e\u94fe\u8def\u5c42\u548c\u7269\u7406\u4fe1 \u4ee4\u3002 \u89c4\u5b9a\u4e86\u4e00\u4e9b\u7528\u4e8e\u5efa\u7acb CAN \u6570\u636e\u94fe\u8def\u5c42\u6a21\u5757\u95f4\u7684\u6570\u5b57\u4fe1 \u606f\u4ea4\u4e92\u7684\u7279\u6027\u3001\u4f20\u7edf CAN \u548c\u53ef\u53d8\u6570\u636e\u901f\u7387 CAN \u5e27\u683c\u5f0f\u3002
\n\u2014\u2014\u2014\u7b2c2\u90e8\u5206:\u9ad8\u901f\u5a92\u4ecb\u8bbf\u95ee\u5355\u5143\u3002 \u89c4\u5b9a\u4e86 CAN \u63a7\u5236\u5668\u7684\u9ad8\u901f\u7269\u7406\u4ecb\u8d28\u8fde\u63a5 (HS-PMA)\u5e94 \u7528\u4e8e \u9053\u8def\u6c7d\u8f66\u7684\u5206\u5e03\u5f0f\u5b9e\u65f6\u63a7\u5236\u548c\u591a\u8def\u590d\u7528\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\u3002
\n\u2014\u2014\u2014\u7b2c3\u90e8\u5206:\u4f4e\u901f\u5bb9\u9519\u3001\u5a92\u4ecb\u76f8\u5173\u63a5\u53e3\u3002\u89c4\u5b9a\u4e86\u57fa\u4e8e CAN \u7684\u9053\u8def\u8f66\u8f86\u7535\u5b50\u63a7\u5236\u5355\u5143\u4e4b\u95f4\u7684\u6570\u5b57 \u4fe1\u606f\u7684\u4ea4\u4e92\u7279\u6027,\u4f4e\u901f CAN \u5e94\u7528\u5c42\u7684\u5bb9\u9519\u884c\u4e3a\u4ee5\u53ca\u57fa\u4e8eISO\/OSI\u5c42 \u6a21\u578b\u7684\u5a92\u4ecb\u76f8\u5173\u63a5\u53e3\u548c \u7269\u7406\u5a92\u4ecb\u8fde\u63a5\u7269\u7406\u5c42\u3002
\n\u2014\u2014\u2014\u7b2c4\u90e8\u5206:\u65f6\u95f4\u89e6\u53d1\u901a\u4fe1\u3002\u89c4\u5b9a\u4e86\u65f6\u95f4\u89e6\u53d1\u901a\u4fe1,\u5176\u5305 \u542b\u4e8e\u63a7\u5236\u5668\u5c40\u57df\u7f51 (CAN)\u534f \u8bae:\u7528 \u4e8e\u9053 \u8def\u8f66\u8f86\u7684,\u652f\u6301\u5206\u5e03\u5f0f\u5b9e\u65f6\u63a7\u5236\u548c\u591a\u8def\u590d\u7528\u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\u3002
\n\u56fe1\u5c55\u793a OSI\u6a21\u578b\u4e0e CAN \u6570\u636e\u94fe\u8def\u5c42\u53ca\u7269\u7406\u5b50\u5c42\u7684\u5bf9\u5e94\u5173\u7cfb\u3002<\/p>\n

1 \u8303\u56f4<\/p>\n

\u672c\u6587\u4ef6\u89c4\u5b9a\u4e86\u63a7\u5236\u5668\u5c40\u57df\u7f51(CAN)\u4e2d\u7684\u65f6\u95f4\u89e6\u53d1\u901a\u4fe1\u534f \u8bae,\u4e00 \u79cd\u652f\u6301\u5206\u5e03\u5f0f\u5b9e\u65f6\u63a7\u5236\u548c\u591a\u8def\u590d\u7528 \u7684\u4e32\u884c\u901a\u4fe1\u534f\u8bae\u3002
\n\u672c\u6587\u4ef6\u9002\u7528\u4e8e\u9053\u8def\u8f66\u8f86\u4e2d\u642d\u8f7d CAN \u603b\u7ebf\u7684\u7535\u5b50\u63a7\u5236\u5355\u5143(ECU)\u4e4b\u95f4\u5efa \u7acb\u65f6\u95f4\u89e6\u53d1\u7684\u6570\u5b57\u4fe1\u606f\u4ea4 \u4e92,\u5e76\u4e14\u89c4\u5b9a\u4e86\u53c2\u7167 ISO11898-1\u4e2d\u903b\u8f91\u94fe\u8def\u53ca\u5a92\u4ecb\u8bbf\u95ee\u63a7\u5236\u5b9e\u73b0\u7684\u5e27\u540c\u6b65\u5b9e\u4f53,\u7528\u4e8e\u63d0\u4f9b\u65f6\u95f4 \u89e6\u53d1\u901a \u4fe1\u8c03\u5ea6\u8868\u3002
\n\u6ce8:\u65f6\u95f4\u89e6\u53d1 CAN \u76f8\u5bf9\u4e8e CAN \u603b\u7ebf\u534f\u8bae\u6765\u8bf4 ,\u9644 \u52a0\u4e86\u4e00\u4e2a\u4e0a\u5c42\u534f\u8bae\u5c42 ,\u5728 \u65f6\u95f4\u89e6\u53d1 CAN \u4e2d ,CAN \u534f\u8bae\u4fdd\u6301\u4e0d\u53d8\u3002 \u65f6\u95f4\u89e6\u53d1\u901a\u4fe1\u4f7f\u6240\u6709\u62a5\u6587\u7684\u5ef6\u8fdf\u65f6\u95f4\u4fdd\u6301\u4e8e\u7279\u5b9a\u7684\u503c ,\u4e0e CAN \u603b\u7ebf\u7684\u8d1f\u8f7d\u7387\u65e0\u5173\u3002\u65f6\u95f4\u89e6\u53d1\u901a\u4fe1\u5305\u542b\u4ee5\u4e0b\u4e24 \u79cd\u7ea7\u522b :\u7ea7 \u522b 1\u4ec5\u9650\u4e8e\u5468\u671f\u6027\u62a5\u6587\u4f20\u8f93 ,\u800c \u7ea7\u522b 2\u5219\u652f \u6301 \u5168 \u5c40 \u7cfb \u7edf \u65f6 \u95f4\u3002 \u65f6 \u95f4 \u89e6 \u53d1 CAN \u7684 \u5468 \u671f \u6027 \u901a \u4fe1 \u662f \u57fa \u4e8e \u65f6\u95f4\u4e3b\u8282\u70b9\u53d1\u9001\u7684\u53c2\u7167\u62a5\u6587\u3002\u6bcf\u4e00\u4e2a\u5f00\u59cb\u4e8e\u53c2\u7167\u62a5 \u6587 \u7684 \u5468 \u671f \u79f0 \u4f5c \u57fa \u672c \u5468 \u671f ,\u5e76 \u4e14 \u8fd9 \u4e2a \u5468 \u671f \u7684 \u65f6 \u95f4 \u6bb5 \u88ab \u7ec6 \u5206 \u4e3a \u51e0\u4e2a\u65f6\u95f4\u7a97\u53e3\u3002\u53c2\u7167\u62a5\u6587\u7528\u4e8e\u540c\u6b65\u548c\u6821\u6b63\u6240\u6709\u8282\u70b9\u7684\u65f6\u95f4\u57fa\u7840 ,\u4fdd \u8bc1\u6240\u6709\u8282\u70b9\u4e0e\u4e3b\u8282\u70b9\u4fdd\u6301\u4e00\u81f4\u7684\u65f6\u95f4\u57fa\u7840, \u7ed9\u6574\u4e2a\u7f51\u7edc\u63d0\u4f9b\u4e00\u4e2a\u5168\u5c40\u65f6\u95f4\u3002\u65f6\u95f4\u89e6\u53d1 CAN \u63d0\u4f9b\u4e86\u4e00\u4e2a\u5907\u7528\u65f6\u95f4\u4e3b\u8282\u70b9\u53bb\u4ee3\u66ff\u6545\u969c\u7684\u95f4\u4e3b\u8282\u70b9\u7684\u673a\u5236\u3002<\/p>\n

2 \u89c4\u8303\u6027\u5f15\u7528\u6587\u4ef6<\/p>\n

\u4e0b\u5217\u6587\u4ef6\u4e2d\u7684\u5185\u5bb9\u901a\u8fc7\u6587\u4e2d\u7684\u89c4\u8303\u6027\u5f15\u7528\u800c\u6784\u6210\u672c\u6587\u4ef6\u5fc5\u4e0d\u53ef\u5c11\u7684\u6761\u6b3e\u3002 \u5176\u4e2d,\u6ce8 \u65e5\u671f\u7684\u5f15\u7528\u6587 \u4ef6,\u4ec5\u8be5\u65e5\u671f\u5bf9\u5e94\u7684\u7248\u672c\u9002\u7528\u4e8e\u672c\u6587\u4ef6;\u4e0d\u6ce8\u65e5\u671f\u7684 \u5f15\u7528\u6587\u4ef6,\u5176 \u6700\u65b0\u7248\u672c(\u5305 \u62ec\u6240\u6709\u7684\u4fee\u6539\u5355)\u9002 \u7528\u4e8e \u672c\u6587\u4ef6\u3002
\nISO11898-1 \u9053\u8def\u8f66\u8f86 \u63a7\u5236\u5668\u5c40\u57df\u7f51 (CAN) \u7b2c 1 \u90e8\u5206:\u6570 \u636e\u94fe\u8def\u5c42\u548c\u7269\u7406\u4fe1\u4ee4 [Roadvehi- cles\u2014Controllerareanetwork (CAN)\u2014Part1:Datalinklayerandphysicalsignalling]
\n\u6ce8 :GB\/T41588.1\u20142022 \u9053\u8def\u8f66\u8f86 \u63a7 \u5236 \u5668 \u5c40 \u57df \u7f51 (CAN) \u7b2c 1 \u90e8 \u5206 :\u6570 \u636e \u94fe \u8def \u5c42 \u548c \u7269 \u7406 \u4fe1 \u4ee4 (ISO11898-1: 2015,IDT)
\nISO11898-2 \u9053\u8def\u8f66\u8f86 \u63a7\u5236\u5668\u5c40\u57df\u7f51 (CAN) \u7b2c 2 \u90e8\u5206:\u9ad8 \u901f\u5a92\u4ecb\u8bbf\u95ee\u5355\u5143 [Roadvehicles\u2014 Controllerareanetwork (CAN)\u2014Part2:High-speedmediumaccessunit]
\n\u6ce8 :GB\/T41588.2\u20142022 \u9053\u8def\u8f66\u8f86 \u63a7\u5236\u5668\u5c40\u57df\u7f51(CAN) \u7b2c2\u90e8\u5206:\u9ad8\u901f\u5a92\u4ecb\u8bbf\u95ee\u5355\u5143(ISO11898-2:2016,IDT) ISO11898-3 \u9053\u8def\u8f66\u8f86 \u63a7\u5236\u5668\u5c40\u57df\u7f51(CAN) \u7b2c3\u90e8\u5206:\u4f4e \u901f\u5bb9\u9519\u3001\u5a92 \u4ecb\u76f8\u5173\u63a5\u53e3 [Roadvehi- cles\u2014Controllerareanetwork (CAN)\u2014Part3:Low-speedfault-tolerant,medium dependantinter-
\nface]
\n\u6ce8 :GB\/T41588.3\u20142022 \u9053\u8def\u8f66\u8f86 \u63a7\u5236 \u5668 \u5c40 \u57df \u7f51 (CAN) \u7b2c 3 \u90e8 \u5206 :\u4f4e \u901f \u5bb9 \u9519 \u3001\u5a92 \u4ecb \u76f8 \u5173 \u63a5 \u53e3 (ISO11898-3: 2006,IDT)<\/p>\n

3 \u672f\u8bed\u548c\u5b9a\u4e49<\/p>\n

ISO11898-1\u3001ISO11898-2\u548cISO11898-3\u754c\u5b9a\u7684\u4ee5\u53ca\u4e0b\u5217\u672f\u8bed\u548c\u5b9a\u4e49\u9002\u7528\u4e8e\u672c\u6587\u4ef6\u3002<\/p>\n

3.1
\n\u5e94\u7528\u770b\u95e8\u72d7 applicationwatchdog
\n\u7528\u4e8e\u68c0\u6d4b\u5e94\u7528\u5c42\u6b63\u5e38\u8fd0\u884c\u7684\u5b9e\u4f53\u3002
\n3.2
\n\u4ef2\u88c1\u65f6\u95f4\u7a97\u53e3 arbitratingtimewindow
\n\u540c\u4e00\u4e2a\u65f6\u95f4\u5185\u53ef\u4ee5\u5b9a\u4e49\u591a\u4e2a\u8282\u70b9\u540c\u65f6\u53d1\u9001\u62a5\u6587\u7684\u65f6\u95f4\u7a97\u53e3\u3002
\n3.3
\n\u57fa\u672c\u5468\u671f Basic_ cycle
\n\u591a\u4e2a\u8fde\u7eed\u7684\u65f6\u95f4\u7a97\u53e3\u7ec4\u6210\u7684\u7cfb\u7edf\u77e9\u9635\u7684\u884c\u3002
\n3.4
\n\u5468\u671f\u65f6\u95f4 Cycle_Time
\n\u5e27\u540c\u6b65\u5b9e\u4f53\u7684\u672c\u5730\u65f6\u95f4\u4e0e\u5b83\u7684\u53c2\u7167\u6807\u5fd7\u4e4b\u95f4\u7684\u5dee\u3002
\n3.5
\n\u5468\u671f\u8ba1\u6570 Cycle_Count
\n\u77e9\u9635\u5468\u671f\u4e2d\u5f53\u524d\u57fa\u672c\u5468\u671f\u7684\u6570\u91cf\u3002
\n3.6
\n\u5468\u671f\u8ba1\u6570\u6700\u5927\u503c Cycle_Count_Max
\n\u5728\u7ed9\u5b9a\u7cfb\u7edf\u7684\u7f51\u7edc\u77e9\u9635\u4e2d,\u6700\u540e\u4e00\u4e2a\u57fa\u672c\u5468\u671f\u7684\u5468\u671f\u8ba1\u6570\u7684\u503c\u3002
\n3.7
\n\u5468\u671f\u504f\u79fb\u91cf Cycle_Offset
\n\u6307\u5b9a\u53c2\u6570,\u77e9\u9635\u5468\u671f\u5185\u7b2c\u4e00\u4e2a\u57fa\u672c\u5468\u671f\u7684\u65f6\u95f4\u504f\u5dee,\u5728\u8fd9\u4e2a\u57fa\u672c\u5468\u671f\u5185\u53d1\u9001\u89e6\u53d1\u5668\u6216\u8005\u63a5\u6536\u89e6\u53d1\u5668
\n\u662f\u6709\u6548\u7684\u3002
\n3.8
\n\u4e2d\u65ad\u4f4d Disc_Bit
\n\u65f6\u95f4\u4e3b\u8282\u70b9\u5f15\u8d77\u7684\u5916\u90e8\u65f6\u949f\u4fee\u6b63\u5bfc\u81f4\u53c2\u7167\u62a5\u6587\u53d1\u9001\u4e86\u4e00\u4e2a\u5168\u5c40\u65f6\u95f4\u4e2d\u65ad\u3002
\n3.9
\n\u9519\u8bef\u4e25\u91cd\u5ea6 errorseverity
\n\u5bf9\u9519\u8bef\u7684\u4e25\u91cd\u5ea6\u8fdb\u884c\u7b49\u7ea7\u7684\u533a\u5206\u3002
\n3.10
\n\u4e13\u7528\u65f6\u95f4\u7a97\u53e3 exclusivetimewindow
\n\u5206\u914d\u7ed9\u53d1\u9001\u7279\u5b9a\u5468\u671f\u62a5\u6587\u7684\u4e0d\u53c2\u4e0e\u603b\u7ebf\u7ade\u4e89\u7684\u65f6\u95f4\u7a97\u53e3\u3002
\n3.11
\n\u9884\u671f\u53d1\u9001\u89e6\u53d1\u5668 Expected_Tx_Trigger
\n\u5bf9\u6bcf\u4e2a\u5e27\u540c\u6b65\u5b9e\u4f53\u6307\u5b9a\u7684\u672c\u5730\u53c2\u6570,\u9884\u671f\u5728\u4e00\u4e2a\u77e9\u9635\u5468\u671f\u7684\u4e24\u4e2a\u5f00\u59cb\u4e4b\u95f4,\u7528\u53d1\u9001\u89e6\u53d1\u5668\u7684\u8ba1\u6570\u53bb
\n\u6fc0\u6d3b\u3002
\n3.12
\n\u5e27\u540c\u6b65 Frame_Synchronisation
\n\u6bcf\u4e2a\u5e27\u540c\u6b65\u5b9e\u4f53\u4ea7\u751f\u7684\u8109\u51b2,\u5728\u6574\u4e2a CAN \u603b\u7ebf\u7f51\u7edc\u4e2d,\u5bf9 \u4e8e\u6bcf\u4e2a\u6570\u636e\u5e27\u548c\u8fdc\u7a0b\u5e27\u5728\u5e27\u8d77\u59cb\u4f4d\u7684\u91c7 \u6837\u70b9\u662f\u540c\u6b65\u7684\u3002\u5ffd\u7565\u4fe1\u53f7\u7684\u4f20\u64ad\u65f6\u95f4,\u7528\u4e00\u4e2a\u53ef\u9009\u7684\u53c2\u8003\u5e27\u8d77\u59cb\u4f4d\u7684\u540c\u6b65\u6bb5\u7684\u52a0\u6cd5\u65f6\u95f4\u504f\u79fb,\u76ee\u7684\u662f\u5728 \u7cfb\u7edf\u4e2d\u8865\u507f\u4f4d\u65f6\u95f4\u914d\u7f6e\u7684\u53d8\u5316\u3002
\n3.13
\n\u5e27\u540c\u6b65\u5b9e\u4f53 framesynchronisationentity;FSE
\n\u534f\u8c03\u903b\u8f91\u94fe\u8def\u63a7\u5236\u5c42\u548c\u5a92\u4f53\u8bbf\u95ee\u63a7\u5236\u5c42\u7684\u90e8\u5206\u3002
\n\u6ce8:\u5728\u65f6\u95f4\u89e6\u53d1 CAN \u7f51\u7edc\u4e2d\u7684 ,\u6bcf \u4e2a CAN \u63a7\u5236\u5668\u90fd\u6709\u5176\u81ea\u8eab\u7684\u5e27\u540c\u6b65\u5b9e\u4f53\u3002
\n3.14
\n\u7a7a\u95f2\u65f6\u95f4\u7a97\u53e3 freetimewindow
\n\u5728\u7cfb\u7edf\u77e9\u9635\u4e2d\u62a5\u6587\u8c03\u5ea6\u7a7a\u95f2\u7684\u65f6\u95f4\u7a97\u3002
\n3.15
\n\u5168\u5c40\u65f6\u95f4 globaltime
\n\u5f53\u524d\u65f6\u95f4\u4e3b\u8282\u70b9\u7684\u8282\u70b9\u5168\u5c40\u65f6\u95f4\u3002
\n3.16
\n\u5168\u5c40\u53c2\u7167\u6807\u5fd7 Global_Ref_Mark
\n\u53c2\u7167\u62a5\u6587\u6210\u529f\u63a5\u6536\u65f6\u5b58\u50a8\u7684\u53c2\u7167\u6807\u5fd7\u3002
\n3.17
\n\u5168\u5c40\u540c\u6b65\u6807\u5fd7 Global_Sync_Mark
\n\u4fdd\u5b58\u5728\u5e27\u540c\u6b65\u8109\u51b2\u4e2d\u7684\u8282\u70b9\u5168\u5c40\u65f6\u95f4\u5f53\u524d\u503c\u3002
\n3.18
\n\u521d\u59cb\u5316\u76d1\u5bdf\u89e6\u53d1\u5668 Init_Watch_Trigger
\n\u5468\u671f\u65f6\u95f4\u7684\u6700\u5927\u503c\u3002
\n3.19
\n\u521d\u59cb\u5316\u53c2\u7167\u504f\u79fb\u91cf Initial_Ref_Offset
\n\u53c2\u7167\u89e6\u53d1\u5668\u504f\u79fb\u91cf\u7684\u521d\u59cb\u503c\u3002
\n3.20
\n\u7b49\u7ea7 level
\n\u65f6\u95f4\u89e6\u53d1 CAN \u7684\u6267\u884c\u7ea7\u522b\u4e0e\u672c\u6587\u4ef6\u4e00\u81f4\u7684\u5b9e\u65bd\u6c34\u5e73\u3002
\n\u6ce8:\u8fd9\u91cc\u6709\u4e24\u4e2a\u7ea7\u522b :\u7b49 \u7ea7 1\u548c\u7b49\u7ea7 2,\u7b49 \u7ea7 2\u662f\u7b49\u7ea7 1\u7684\u6269\u5c55\u3002
\n3.21
\n\u672c\u5730\u65f6\u95f4 localtime
\n\u5468\u671f\u53ea\u589e\u8ba1\u6570\u5668\u4ea7\u751f\u7684\u65f6\u95f4\u3002
\n3.22
\n\u672c\u5730\u504f\u5dee Local_Offset
\n\u53c2\u7167\u62a5\u6587\u6210\u529f\u53d1\u9001\u540e,\u5bf9\u6bd4\u53c2\u7167\u62a5\u6587\u4e0e\u672c\u5730\u65f6\u95f4\u7684\u504f\u5dee\u3002
\n3.23
\n\u4e3b\u8282\u70b9\u72b6\u6001 masterstate
\n\u7ed3\u5408\u4e86\u6545\u969c\u3001\u540c\u6b65\u548c\u4e3b\u4ece\u5173\u7cfb\u7684\u5e27\u540c\u6b65\u5b9e\u4f53\u72b6\u6001 \u5411\u91cf,\u5373 \u4e00\u4e2a\u4e09\u5143\u7ec4 (\u6545 \u969c\u7b49\u7ea7\u3001\u540c \u6b65\u6a21\u5f0f\u3001\u4e3b\u4ece\u6a21\u5f0f)\u3002
\n3.24
\n\u4e3b\u8282\u70b9\u53c2\u7167\u6807\u5fd7 Master_Ref_Mark;MRM
\n\u65f6\u95f4\u4e3b\u8282\u70b9\u53d1\u9001\u7684\u53c2\u7167\u62a5\u6587\u4e2d\u7684\u53c2\u6570\u3002
\n3.25
\n\u77e9\u9635\u5468\u671f matrixcycle
\n\u7cfb\u7edf\u77e9\u9635\u4e2d\u6240\u6709\u57fa\u672c\u5468\u671f\u7684\u5468\u671f,\u8fde\u7eed\u7684\u4ece\u7b2c\u4e00\u4e2a\u57fa\u672c\u5468\u671f\u5230\u6700\u540e\u4e00\u4e2a\u57fa\u672c\u5468\u671f\u3002
\n\u6ce8:\u5982\u679c\u7cfb\u7edf\u77e9\u9635\u53ea\u7531\u4e00\u4e2a\u57fa\u672c\u5468\u671f\u6784\u6210 ,\u90a3 \u77e9\u9635\u5468\u671f\u4e0e\u57fa\u7840\u5468\u671f\u5c31\u662f\u4e00\u6837\u7684\u3002
\n3.26
\n\u6df7\u5408\u7684\u4ef2\u88c1\u65f6\u95f4\u7a97\u53e3 mergedarbitratingtimewindow
\n\u5408\u5e76\u8fde\u7eed\u4ef2\u88c1\u65f6\u95f4\u7a97\u53e3\u7684\u5355\u4e2a\u7a97\u53e3
\n3.27
\n\u62a5\u6587\u5bf9\u8c61 messageobject
\n\u63d0\u4f9b LLC \u5e27\u4ee5\u53ca\u63a7\u5236\u548c\u72b6\u6001\u4fe1\u606f\u5b58\u50a8\u7684\u7f13\u51b2\u5668\u3002
\n3.28
\n\u62a5\u6587\u72b6\u6001\u8ba1\u6570 messagestatuscount;MSC
\n\u4e13\u7528\u65f6\u95f4\u7a97\u53e3\u4e2d\u68c0\u6d4b\u901a\u8fc7\u8c03\u5ea6\u53d1\u9001\u62a5\u6587\u51fa\u73b0\u9519\u8bef\u7684\u6570\u91cf\u3002
\n3.29
\n\u7f51\u7edc\u65f6\u95f4\u5355\u5143 networktimeunit;NTU
\n\u7528\u4e8e\u6d4b\u91cf\u6240\u6709\u65f6\u95f4,\u5e76\u63d0\u4f9b\u6574\u4e2a\u7f51\u7edc\u5e38\u6570\u7684\u5355\u5143\u3002
\n3.30
\n\u7f51\u7edc\u53c2\u6570 networkview
\n\u7cfb\u7edf\u7f51\u7edc\u65b9\u9762\u7684\u53c2\u6570\u3002
\n3.31
\n\u8282\u70b9\u53c2\u6570 nodeview
\n\u672c\u5730\u7f51\u7edc\u65b9\u9762\u7684\u53c2\u6570\u3002
\n3.32
\n\u8282\u70b9\u5168\u5c40\u65f6\u95f4\u7684\u53c2\u6570 nodeviewofglobaltime
\n\u8282\u70b9\u7684\u672c\u5730\u65f6\u95f4\u4e0e\u672c\u5730\u65f6\u95f4\u504f\u5dee\u4e4b\u548c\u7684\u6574\u6570\u90e8\u5206\u3002
\n3.33
\n\u5907\u7528\u7684\u65f6\u95f4\u4e3b\u8282\u70b9 potentialtimemaster
\n\u901a\u8fc7\u7cfb\u7edf\u914d\u7f6e\u5141\u8bb8\u53d1\u9001\u53c2\u7167\u62a5\u6587\u7684\u5e27\u540c\u6b65\u5b9e\u4f53\u3002
\n3.34
\n\u53c2\u7167\u6807\u5fd7 Ref_Mark
\n\u6bcf\u6b21\u6210\u529f\u5b8c\u6210\u53c2\u7167\u62a5\u6587\u53d1\u9001\u65f6\u5b58\u50a8\u7684\u53c2\u6570\u3002
\n3.35
\n\u53c2\u7167\u89e6\u53d1\u5668\u504f\u79fb Ref_Trigger_Offset
\n\u7528\u4e8e\u4fee\u6539\u53d1\u9001\u53c2\u7167\u89e6\u53d1\u5668\u4e2d\u65f6\u95f4\u6807\u5fd7\u7684\u53c2\u6570,\u4f8b\u5982\u901a\u8fc7\u53d1\u9001\u4e00\u4e2a\u53c2\u7167\u62a5\u6587\u3002
\n3.36
\n\u53c2\u7167\u62a5\u6587 referencemessage
\n\u5f00\u59cb\u4e00\u4e2a\u57fa\u672c\u5468\u671f\u7684\u6570\u636e\u5e27\u3002
\n3.37
\n\u91cd\u590d\u56e0\u6570 Repeat_Factor
\n\u89c4\u5b9a\u53d1\u9001\u5217\u4e2d\u62a5\u6587\u91cd\u590d\u7387\u7684\u53c2\u6570,\u662f\u53d1\u9001\u89e6\u53d1\u5668\u6216\u63a5\u6536\u89e6\u53d1\u5668\u53c2\u6570\u7684\u4e00\u90e8\u5206\u3002
\n\u6ce8:\u91cd\u590d\u7387\u7684\u5355\u4f4d\u662f\u201c\u7cfb \u7edf\u77e9\u9635\u7684\u884c\u201d\u3002
\n3.38
\n\u63a5\u6536\u89e6\u53d1\u5668 Rx_Trigger
\n\u89c4\u5b9a\u4e86\u6838\u4e00\u4e2a\u62a5\u6587\u88ab\u6210\u529f\u63a5\u6536\u7684\u53c2\u6570\u3002<\/p>\n

\u540c\u6b65\u6807\u5fd7 Sync_Mark
\n\u672c\u5730\u65f6\u95f4\u7684\u5f53\u524d\u503c,\u5b58\u50a8\u5728\u5e27\u540c\u6b65\u7684\u8109\u51b2\u4e2d\u3002<\/p>\n

\u7cfb\u7edf\u77e9\u9635 system matrix
\n\u53d1\u9001\u5217\u7cfb\u7edf\u77e9\u9635\u5f62\u5f0f\u4e2d\u5305\u542b\u4e86\u88ab\u6709\u6761\u7406\u5730\u6392\u5217\u7684\u6240\u6709\u8282\u70b9\u7684\u6240\u6709\u62a5\u6587,\u5176\u4e2d\u5305\u542b\u7531\u57fa\u672c\u5468\u671f(\u77e9\u9635<\/p>\n

GB\/T 41588.4\u20142022\/ISO11898-4:2004<\/p>\n

\u7684\u884c)\u548c\u53d1\u9001\u5217(\u77e9\u9635\u7684\u5217)\u7ec4\u6210\u7684\u65f6\u95f4\u7a97\u53e3\u3002
\n\u6ce8:\u7cfb\u7edf\u77e9\u9635\u89c4\u5b9a\u4e86\u62a5\u6587\u548c\u65f6\u95f4\u7a97\u53e3\u7684\u76f8\u4e92\u5173\u7cfb(\u7c7b \u578b\u548c\u65f6\u95f4\u6807\u5fd7)\u3002\u7cfb \u7edf\u77e9\u9635\u4e2d\u7684\u7b2c\u4e00\u4e2a\u57fa\u672c\u5468\u671f\u5f00\u59cb\u4e8e\u5468\u671f\u8ba1 \u6570\u4e3a 0\u3002
\n3.41
\n\u65f6\u95f4\u95f4\u9699 timegap
\n\u4e00\u4e2a\u57fa\u672c\u5468\u671f\u7684\u7ed3\u675f\u548c\u4e0b\u4e00\u4e2a\u57fa\u672c\u5468\u671f\u5f00\u59cb\u4e4b\u95f4\u7684\u65f6\u95f4,\u5f53\u4e0b\u4e00\u4e2a\u57fa\u672c\u5468\u671f\u5f00\u59cb\u65f6\u540c\u6b65\u4e00\u4e2a\u4e8b\u4ef6\u3002
\n3.42
\n\u65f6\u95f4\u6807\u5fd7 timemark
\n\u4e00\u4e2a\u5e27\u540c\u6b65\u5b9e\u4f53\u4e2d\u7684\u6807\u5fd7,\u6b64\u6807\u5fd7\u89c4\u5b9a \u4e86\u9884\u671f\u6216\u8005\u8ba1\u5212\u7279\u5b9a\u884c\u4e3a\u7684\u4e00\u4e2a\u5468\u671f\u65f6\u95f4 (\u5728 NTU \u4e2d )\u4e2d\u7684\u77ac\u65f6\u65f6\u95f4\u3002
\n3.43
\n\u65f6\u95f4\u4e3b\u8282\u70b9 timemaster
\n\u53d1\u9001\u53c2\u7167\u62a5\u6587\u7684\u5e27\u540c\u6b65\u5b9e\u4f53\u3002
\n3.44
\n\u65f6\u95f4\u7a97\u53e3 timewindow
\n\u4e00\u4e2a\u65f6\u95f4\u5b9a\u91cf,\u5728\u7cfb\u7edf\u77e9\u9635\u4e2d\u4e3a\u4e86\u5b9e\u73b0\u4e00\u4e2a\u5177\u4f53\u7684\u53d1\u9001\u5217\u800c\u5206\u914d\u7684\u65f6\u95f4\u6bb5\u3002
\n3.45
\n\u53d1\u9001\u5217 transmissioncolumn
\n\u7cfb\u7edf\u77e9\u9635\u7684\u5217,\u5176\u5143\u7d20\u4e0e\u6bcf\u4e2a\u57fa\u672c\u5468\u671f\u4e2d\u91cd\u590d\u7684\u7279\u5b9a\u7684\u65f6\u95f4\u7a97\u53e3\u76f8\u5173\u8054\u3002
\n\u6ce8:\u53d1\u9001\u884c\u662f\u7cfb\u7edf\u77e9\u9635\u7684\u57fa\u672c\u5468\u671f\u3002
\n3.46
\n\u65f6\u95f4\u5355\u5143\u6bd4\u7387 timeunitratio;TUR
\n\u7f51\u7edc\u65f6\u95f4\u5355\u5143\u7684\u957f\u5ea6\u548c\u7528\u4e8e\u65f6\u949f\u540c\u6b65\u7684\u5e27\u540c\u6b65\u5b9e\u4f53\u4e2d\u89c4\u5b9a\u7684\u57fa\u672c\u65f6\u95f4\u5355\u5143 (\u4f8b \u5982,\u672c \u5730\u632f\u8361\u5668\u5468 \u671f)\u7684\u957f\u5ea6\u4e4b\u95f4\u7684\u6bd4\u7387\u3002
\n\u6ce8:\u65f6\u95f4\u5355\u5143\u6bd4\u5728\u539f\u5219\u4e0a\u662f\u4e00\u4e2a\u975e\u6574\u6570\u3002\u901a\u8fc7\u65f6\u95f4\u5355\u5143\u6bd4\u7387\u7684\u503c\u6765\u6267\u884c\u7f51\u7edc\u65f6\u95f4\u5355\u5143\u7684\u8282\u70b9\u53c2\u6570\u3002
\n3.47
\n\u53d1\u9001\u8ba1\u6570 Tx_Count
\n\u8ba1\u6570\u5668\u5728\u6bcf\u4e2a\u77e9\u9635\u5468\u671f\u5f00\u59cb\u7684\u65f6\u5019\u4f1a\u91cd\u65b0\u8bbe\u7f6e,\u5373\u5728\u8bc6\u522b\u5468\u671f\u8ba1\u6570\u503c\u4e3a0\u7684\u76f8\u5e94\u53c2\u7167\u62a5\u6587\u4e4b\u540e\u3002
\n3.48
\n\u53d1\u9001\u4f7f\u80fd Tx_Enable
\n\u62a5\u6587\u5f00\u59cb\u53d1\u9001\u7684\u65f6\u95f4\u6bb5\u3002
\n3.49
\n\u53d1\u9001\u6ea2\u51fa Tx_Overflow
\n\u5f53\u51fa\u73b0\u7684\u53d1\u9001\u89e6\u53d1\u5668\u8d85\u8fc7\u9884\u671f\u53d1\u9001\u89e6\u53d1\u5668\u6307\u5b9a\u503c\u65f6\u8bbe\u7f6e\u7684\u72b6\u6001\u6807\u5fd7\u3002
\n3.50
\n\u53d1\u9001\u53c2\u7167\u89e6\u53d1\u5668 Tx_Ref_Trigger
\n\u6307\u5b9a\u53ea\u5173\u7cfb\u5230\u53c2\u7167\u62a5\u6587\u89e6\u53d1\u7684\u53d1\u9001\u89e6\u53d1\u5668\u53c2\u6570\u3002
\n3.51
\n\u53d1\u9001\u89e6\u53d1\u5668 Tx_Trigger
\n\u89c4\u5b9a\u67d0\u4e00\u62a5\u6587\u4f55\u65f6\u4f20\u8f93\u7684\u53c2\u6570,\u8be5\u53c2\u6570\u7531\u65f6\u95f4\u6807 \u8bb0\u3001\u4f20 \u8f93\u5217\u4e2d\u7b2c\u4e00\u6b21\u53d1\u9001\u7684\u4f4d\u7f6e (\u5468 \u671f\u504f\u79fb)\u3001\u8be5\u4f20\u8f93\u5217\u4e2d\u7684\u91cd\u590d\u7387(\u91cd\u590d\u56e0\u6570)\u4ee5\u53ca\u53d1\u9001\u89e6\u53d1\u5668\u6709\u6548\u7684\u53c2\u7167\u62a5\u6587\u7ec4\u6210\u3002
\n\u6ce8:\u53d1\u9001\u89e6\u53d1\u5668\u4e5f\u5305\u542b\u6709\u5173\u4e8e\u7a97\u53e3\u7c7b\u578b\u7684\u4fe1\u606f(\u4e13 \u7528\u7684 \u3001\u4ef2 \u88c1\u7684 \u3001\u5408 \u5e76\u7684)\u3002
\n3.52
\n\u53d1\u9001\u4e0b\u6ea2 Tx_Underflow
\n\u5f53\u51fa\u73b0\u7684\u53d1\u9001\u89e6\u53d1\u5668\u5c11\u4e8e\u9884\u671f\u53d1\u9001\u89e6\u53d1\u5668\u6307\u5b9a\u503c\u65f6\u8bbe\u7f6e\u7684\u72b6\u6001\u6807\u5fd7\u3002
\n3.53
\n\u76d1\u5bdf\u89e6\u53d1\u5668 Watch_Trigger
\n\u7528\u4e8e\u6821\u9a8c\u4ece\u6700\u540e\u4e00\u4e2a\u6709\u6548\u7684\u53c2\u7167\u62a5\u6587\u5f00\u59cb,\u65f6\u95f4\u662f\u5426\u8fc7\u957f\u7684\u65f6\u95f4\u6807\u5fd7\u3002<\/p>\n

4 \u7f29\u7565\u8bed<\/p>\n

CAN:\u63a7\u5236\u5668\u5c40\u57df\u7f51(controllerareanetwork)
\nFSE:\u5e27\u540c\u6b65\u5b9e\u4f53(framesynchronisationentity)
\nLLC:\u903b\u8f91\u94fe\u8def\u63a7\u5236(logicallinkcontrol)
\nLSB:\u6700\u4f4e\u6709\u6548\u4f4d(leastsignificantbit)
\nMAC:\u5a92\u4ecb\u8bbf\u95ee\u63a7\u5236(mediumaccesscontrol)
\nMSB:\u6700\u9ad8\u6709\u6548\u4f4d(mostsignificantbit)
\nSOF:\u5e27\u8d77\u59cb(startofframe)<\/p>\n

5 \u65f6\u95f4\u89e6\u53d1\u603b\u7ebf\u7684\u57fa\u672c\u6982\u5ff5<\/p>\n

5.1 \u4e00\u822c\u89c4\u5b9a
\n\u4ee5\u4e0b\u7ea6\u5b9a\u9002\u7528\u4e8e\u672c\u6587\u4ef6\u3002 \u5e94\u7528\u770b\u95e8\u72d7:\u901a\u5e38\u7531\u4e3b\u8282\u70b9\u6fc0\u6d3b\u4fe1\u53f7\u53c2\u6570\u5b9a\u4e49\u3002
\n\u4ef2\u88c1\u65f6\u95f4\u7a97\u53e3\u7684\u51b2\u7a81\u7531 CAN \u6807\u8bc6\u7b26\u7684\u4ef2\u88c1\u89e3\u51b3\u3002\u5982\u679c\u603b\u7ebf\u6ca1\u6709\u7a7a\u95f2,\u90a3\u4e48 CAN \u8282\u70b9\u65e0\u6cd5\u5f00\u59cb\u4f20 \u8f93\u3002\u5728\u4e8b\u4ef6\u89e6\u53d1 CAN \u4e2d,\u51e0\u4e2a CAN \u8282\u70b9\u53ef\u4ee5\u5728\u4ef2\u88c1\u65f6\u95f4\u7a97\u53e3\u7684\u53d1\u9001\u4f7f\u80fd\u7a97\u53e3\u5185\u5f00\u59cb\u4e00\u4e2a\u53d1\u9001\u884c\u4e3a, \u4f46\u662f\u6ca1\u6709\u81ea\u52a8\u91cd\u53d1\u529f\u80fd\u3002\u7279\u4f8b:\u65f6\u95f4\u7a97\u53e3\u7684\u5408\u5e76\u3002
\n\u57fa\u672c\u5468\u671f\u7684\u5143\u7d20\u662f\u51e0\u4e2a\u8fde\u7eed\u7684\u65f6\u95f4\u7a97\u53e3\u3002\u4e0d\u540c\u65f6\u95f4\u7a97\u53e3\u7684\u6570\u91cf\u548c\u957f\u5ea6\u88ab\u7ebf\u4e0b\u6307\u5b9a,\u4e14 \u5bf9\u4e8e\u6574\u4e2a\u7f51 \u7edc\u800c\u8a00\u662f\u76f8\u540c\u7684\u3002\u7cfb\u7edf\u77e9\u9635\u7684\u6bcf\u4e2a\u57fa\u672c\u5468\u671f\u5305\u542b\u76f8\u540c\u5e8f\u5217\u7684\u65f6\u95f4\u7a97\u53e3,\u5e76\u4e14\u65f6\u95f4\u7a97\u53e3\u5f00\u59cb\u4e8e\u53c2\u7167\u62a5\u6587\u3002
\n\u5468\u671f\u65f6\u95f4\u662f\u622a\u53d6\u4e00\u4e2a\u5e27\u540c\u6b65\u5b9e\u4f53\u7684\u672c\u5730\u65f6\u95f4\u4e0e\u5176\u53c2\u7167\u6807\u5fd7\u4e4b\u95f4\u5dee\u5f02\u7684 16 \u4e2a\u6700\u9ad8\u6709\u6548\u4f4d\u3002 \u5468\u671f\u65f6 \u95f4=(\u672c\u5730\u65f6\u95f4-\u53c2\u7167\u6807\u5fd7)\u768416\u4e2a\u6700\u9ad8\u6709\u6548\u7684\u4f4d\u3002
\n\u5468\u671f\u8ba1\u6570\u662f\u4ece0\u5f00\u59cb\u8ba1\u6570 \u3002 \u5468\u671f\u504f\u79fb\u662f\u4e00\u4e2a\u53d1\u9001\u89e6\u53d1\u5668\u6216\u63a5\u6536\u89e6\u53d1\u5668\u53c2\u6570\u7684\u4e00\u90e8\u5206\u3002 \u9519\u8bef\u4e25\u91cd\u7a0b\u5ea6:\u6ca1\u6709\u9519\u8bef(S0)\u3001\u8b66\u544a(S1)\u3001\u9519\u8bef(S2)\u3001\u4e25\u91cd\u7684\u9519\u8bef(S3)
\n\u9884\u671f\u53d1\u9001\u89e6\u53d1\u5668:\u5f53\u53d1\u9001\u8ba1\u6570\u8fbe\u5230\u9884\u671f\u53d1\u9001\u89e6\u53d1\u5668,\u6b64\u5e27\u540c\u6b65\u5b9e\u4f53\u7684\u6240\u6709\u53d1\u9001\u89e6\u53d1\u5668\u5728\u5f53\u524d\u77e9\u9635\u5468 \u671f\u4e2d\u88ab\u7981\u7528\u3002
\n\u5e27\u540c\u6b65\u5b9e\u4f53\u64cd\u63a7\u53c2\u7167\u62a5\u6587\u7684\u53d1\u9001\u6216\u63a5\u6536\u7684\u65f6\u95f4,\u4e3a\u5e94\u7528\u5c42\u63d0\u4f9b\u4e86\u4e00\u4e2a\u72b6\u6001\u6216\u63a7\u5236\u63a5\u53e3\u3002 \u7a7a\u95f2\u65f6\u95f4\u7a97\u53e3\u4e3a\u5c06\u6765\u7684\u7f51\u7edc\u6269\u5c55\u800c\u4fdd\u7559\u3002
\n\u5168\u5c40\u540c\u6b65\u6807\u5fd7(\u53ea\u6709\u7b49\u7ea7 2)\u5728 \u5e27\u540c\u6b65\u8109\u51b2\u65f6\u88ab\u5b58\u50a8\u3002 \u8fd9\u4e2a\u503c \u5305 \u542b \u4e86 \u672c \u5730 \u65f6 \u95f4 \u4e0e \u672c \u5730 \u504f \u79fb \u4e4b \u548c \u7684
\n16\u4f4d\u6574\u6570\u90e8\u5206\u548c\u5c0f\u6570\u90e8\u5206\u3002
\n\u521d\u59cb\u5316\u76d1\u5bdf\u89e6\u53d1\u5668\u7684\u503c\u662f216-1,\u662f\u5468\u671f\u65f6\u95f4\u7684\u6700\u5927\u503c\u3002 \u672c\u5730\u65f6\u95f4\u5728\u7b49\u7ea71\u4e2d\u7684\u5bbd\u5ea6\u662f16\u4f4d,\u5728\u7b49\u7ea72\u4e2d \u5176\u5bbd\u5ea6\u81f3\u5c11\u662f 19 \u4f4d\u3002 \u5728\u7b49\u7ea7 2 \u4e2d\u63d0\u4f9b\u7f51\u7edc\u65f6\u95f4
\n\u5355\u5143\u5c0f\u6570\u90e8\u5206\u7684\u662f\u966416\u4e2a\u6700\u9ad8\u6709\u6548\u4f4d\u4e4b\u5916\u7684\u5269\u4f59\u4f4d\u3002\u5728\u672c\u5730\u65f6\u95f4\u7684\u589e\u52a0\u8fc7\u7a0b\u4e2d,\u5e94\u4fdd\u8bc1\u975e\u5c0f\u6570\u90e8\u5206\u7684 \u6bcf\u6b21\u589e\u957f\u4e0e\u7f51\u7edc\u65f6\u95f4\u5355\u5143\u76f8\u5bf9\u5e94\u3002
\n\u4f8b\u5982:\u5982\u679c\u5c0f\u6570\u90e8\u5206\u4f7f\u7528\u4e863\u4e2a\u4f4d,\u5728\u7b49\u7ea72\u4e2d\u672c \u5730\u65f6\u95f4\u589e\u52a0\u4e86 8 \u6b21,\u6bcf \u6b21\u7684\u589e\u91cf\u662f\u7f51\u7edc\u65f6\u95f4\u5355\u5143\u7684\u516b\u5206\u4e4b\u4e00\u3002
\n\u5728\u4e00\u4e2a\u5408\u5e76\u7684\u4ef2\u88c1\u65f6\u95f4\u7a97\u53e3\u5185,\u56e0\u4e3a\u4e22\u5931\u4e86\u4ef2\u88c1\u6216\u53d7\u5230\u4e86\u9519\u8bef\u7684\u5e72\u6270\u800c\u5bfc\u81f4\u5e27\u7684\u91cd\u53d1\u662f\u5141\u8bb8\u7684\u3002 \u7f51\u7edc\u65f6\u95f4\u5355\u5143\u662f\u6574\u4f53\u7f51\u7edc\u7684\u5e38\u91cf:
\n\u2014\u2014\u2014\u5728\u7b49\u7ea71\u4e2d,NTU \u662f\u540d\u4e49\u4e0a\u7684 CAN \u4f4d\u65f6\u95f4;
\n\u2014\u2014\u2014\u5728\u7b49\u7ea72\u4e2d,NTU \u662f\u7269\u7406\u79d2\u7684\u5c0f\u6570\u90e8\u5206\u3002 \u8282\u70b9\u5168\u5c40\u65f6\u95f4\u662f\u8282\u70b9\u7684\u672c\u5730\u65f6\u95f4\u4e0e\u5176\u672c\u5730\u504f\u79fb\u4e4b\u548c\u7684\u6574\u6570\u90e8\u5206\u3002\u5c0f\u6570\u90e8\u5206\u53ea\u7528\u4e8e\u65f6\u949f\u540c\u6b65\u3002\u56e0\u6b64
\n\u8282\u70b9\u7684\u5168\u5c40\u65f6\u95f4\u662f\u5168\u5c40\u65f6\u95f4\u5728\u672c\u5730\u7f51\u7edc\u65f6\u95f4\u5355\u5143\u4e2d\u7684\u672c\u5730\u6620\u5c04\u3002\u8282\u70b9\u5168\u5c40\u65f6\u95f4\u4f5c\u4e3a\u4e00\u4e2a\u8fde\u7eed\u7684\u5355\u8c03\u503c \u63d0\u4f9b\u7ed9\u5e94\u7528\u7a0b\u5e8f\u3002
\n\u53c2\u7167\u6807\u5fd7:\u5728\u6bcf\u6b21\u53c2\u7167\u62a5\u6587\u6210\u529f\u5b8c\u6210\u65f6,\u5f53\u524d\u540c\u6b65\u6807\u5fd7\u6210\u4e3a\u53c2\u7167\u6807\u5fd7\u3002 \u63a5\u6536\u89e6\u53d1\u5668:\u4e00\u4e2a\u63a5\u6536\u89e6\u53d1\u5668\u7684\u5fc5\u8981\u4fe1\u606f\u4e2d\u5305\u62ec\u4e00\u4e2a\u65f6\u95f4\u6807\u5fd7(\u5728\u8fd9\u4e2a\u65f6\u95f4\u70b9\u540e\u76f8\u5e94\u7684\u62a5\u6587\u9884\u671f\u88ab
\n\u5b8c\u6574\u63a5\u6536)\u3001\u53d1\u9001\u5217\u961f\u4e2d\u7b2c\u4e00\u6b21\u63a5\u53d7\u7684\u4f4d\u7f6e(\u5468 \u671f\u504f\u79fb)\u548c \u8be5\u4f20\u8f93\u961f\u5217\u4e2d\u7684\u91cd\u590d\u7387 (\u91cd \u590d\u56e0\u6570)\u3002 \u5f53\u7136,\u5bf9 \u4e8e\u63a5\u6536\u89e6\u53d1\u5668\u800c\u8a00,\u4e00\u4e2a\u62a5\u6587\u5bf9\u8c61\u7684\u53c2\u7167\u662f\u6709\u6548 \u7684\u3002 \u51e0\u4e2a\u63a5\u6536\u89e6\u53d1\u5668\u53ef\u4ee5\u6307\u5b9a\u7ed9\u76f8\u540c\u7684\u62a5\u6587\u3002 \u53ea\u6709\u5728 \u4e13\u7528\u65f6\u95f4\u7a97\u53e3\u4e2d\u63a5\u6536\u89e6\u53d1\u5668\u53ef\u4ee5\u7528\u4e8e\u62a5\u6587\u7684\u53d1\u9001\u3002
\n\u65f6\u95f4\u7a97\u53e3:\u5171\u6709\u4e09\u79cd\u7c7b\u578b\u7684\u65f6\u95f4\u7a97\u53e3:\u4e13\u7528\u7684\u3001\u4ef2\u88c1\u7684\u548c\u7a7a\u95f2\u7684\u3002 \u65f6\u95f4\u5355\u5143\u6bd4\u7387(\u53ea\u6709\u7b49\u7ea72)\u7528\u4e8e\u65f6\u949f\u540c\u6b65\u3002 \u53d1\u9001\u8ba1\u6570:\u6bcf\u6b21\u6fc0\u6d3b\u4e00\u6b21\u53d1\u9001\u89e6\u53d1\u5668,\u53d1\u9001\u8ba1\u6570\u7684\u503c\u90fd\u589e\u52a0,\u8d85\u8fc7\u4e86\u9884\u671f\u53d1\u9001\u89e6\u53d1\u5668,\u53d1\u9001\u8ba1\u6570\u5c06\u4e0d
\n\u589e\u52a0\u3002
\n\u53d1\u9001\u4f7f\u80fd\u8d77\u59cb\u4e8e\u53d1\u9001\u89e6\u53d1\u5668,\u5728\u8fbe\u5230\u4e00\u4e2a\u9884\u5148\u5b9a\u4e49\u4e14\u7531\u7cfb\u7edf\u914d\u7f6e\u7684 CAN \u6807\u79f0\u4f4d\u65f6\u95f4\u6570\u91cf\u540e\u5173\u95ed\u3002 \u76d1\u5bdf\u89e6\u53d1\u5668\u53c2\u6570\u503c\u53d6\u51b3\u4e8e\u65f6\u95f4\u89e6\u53d1 CAN \u7684\u8fd0\u884c\u65b9\u5f0f(\u4e8b\u4ef6\u540c\u6b65\u6216\u65f6\u95f4\u89e6\u53d1)\u3002
\n5.2 \u534f\u8bae\u7684\u4e00\u822c\u539f\u7406
\n5.2.1 \u7cfb\u7edf\u77e9\u9635\u7684\u77e9\u9635\u5468\u671f
\n\u5728\u4e00\u4e2a\u65f6\u95f4\u89e6\u53d1\u7cfb\u7edf\u4e2d,\u7f51\u7edc\u4e2d\u6240\u6709\u8282\u70b9\u7684\u6240\u6709 \u62a5\u6587\u7ec4\u6210\u7cfb\u7edf\u77e9\u9635\u7684\u4e00\u90e8\u5206\u3002 \u7cfb\u7edf\u77e9\u9635\u89c4\u5b9a\u4e86\u62a5 \u6587\u548c\u5176\u53d1\u9001\u6240\u5c5e\u7684\u65f6\u95f4\u7a97\u53e3\u4e4b\u95f4\u7684\u76f8\u4e92\u5173\u7cfb\u3002 \u5728\u65f6\u95f4\u89e6\u53d1 CAN \u4e2d,\u7cfb \u7edf\u77e9\u9635\u7531\u57fa\u672c\u5468\u671f (\u77e9 \u9635\u7684\u884c) \u548c\u53d1\u9001\u5217(\u77e9\u9635\u7684\u5217)\u7ec4\u6210\u3002\u5728\u7cfb\u7edf\u77e9 \u9635\u4e2d\u57fa\u7840\u5468\u671f\u7684\u6570\u76ee\u662f 2 \u7684\u6574\u6570\u5e42,\u6700 \u5c0f\u503c\u662f 1\u3002 \u6bcf\u4e2a\u57fa\u672c\u5468\u671f \u7531\u4e00\u4e2a\u89c4\u5b9a\u7684\u7279\u5f81\u62a5\u6587\u5f00\u59cb:\u53c2\u7167\u62a5\u6587(\u89c1\u56fe2)\u3002
\n\u56fe 2 \u65f6\u95f4\u89e6\u53d1 CAN \u7684\u57fa\u672c\u5468\u671f
\n\u5728\u4e00\u4e2a\u57fa\u672c\u5468\u671f\u4e2d,\u4e00\u4e2a\u62a5\u6587\u53ef\u80fd\u88ab\u5206\u914d\u5230\u4e0d\u6b62\u4e00\u4e2a\u65f6\u95f4\u7a97\u53e3,\u5373\u4e00\u4e2a\u7279\u5b9a\u7684\u62a5\u6587\u53ef\u80fd\u5c5e\u4e8e\u591a\u4e2a\u53d1 \u9001\u5217\u3002\u5728\u7cfb\u7edf\u77e9\u9635\u4e2d,\u6240\u6709\u57fa\u672c\u5468\u671f\u7684\u5faa\u73af\u5c31\u6784\u6210\u4e86\u77e9\u9635\u5468\u671f\u3002\u5728\u4e00\u4e2a\u77e9\u9635\u5468\u671f\u4e2d,\u5468\u671f\u8ba1\u6570\u5c06\u8ba1\u7b97\u57fa \u672c\u5468\u671f\u7684\u6570\u91cf\u3002\u8ba1\u6570\u5c06\u4ece\u96f6\u5f00\u59cb,\u8fbe\u5230\u5468\u671f\u8ba1\u6570\u6700 \u5927\u503c\u65f6\u7ed3\u675f\u3002 \u5468\u671f\u8ba1\u6570\u7684\u5f53\u524d\u503c\u5c06\u4f5c\u4e3a\u53c2\u7167\u62a5\u6587\u7684 \u4e00\u90e8\u5206\u88ab\u65f6\u95f4\u4e3b\u8282\u70b9\u53d1\u9001\u3002\u5c24\u5176,\u5468\u671f\u8ba1\u6570\u503c\u5c06\u56e0 \u65f6\u95f4\u4e3b\u8282\u70b9\u7684\u6bcf\u4e2a\u57fa\u672c\u5468\u671f\u7684\u53d1\u9001\u800c\u9012\u589e\u3002 \u4efb\u4f55\u5e27 \u540c\u6b65\u5b9e\u4f53\u63a5\u6536\u4e00\u4e2a\u6709\u6548\u7684\u53c2\u7167\u62a5\u6587\u540e\u5c06\u4f7f\u7528\u6b64\u53c2\u7167\u62a5\u6587\u4e2d\u7684\u5468\u671f\u8ba1\u6570\u3002\u5728\u4e00\u4e2a\u77e9\u9635\u5468\u671f\u4e2d\u57fa\u672c\u5468\u671f\u7684 \u6570\u76ee(\u5468\u671f\u8ba1\u6570\u6700\u5927\u503c+1)\u662f2\u7684\u6574\u6570\u5e42\u3002
\n\u4e00\u4e2a\u77e9\u9635\u5468\u671f\u7684\u5217\u88ab\u79f0\u4e3a\u53d1\u9001\u5217\u3002\u5728\u4e00\u4e2a\u53d1\u9001\u5217\u4e2d,\u5468\u671f\u6027\u7684\u4f20\u9012\u4e00\u4e2a\u7279\u5b9a\u7684\u62a5\u6587,\u5468\u671f\u662f2\u7684\u6574
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\n5.2.2 \u65f6\u95f4\u7a97\u53e3
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\n(\u89c17.2.2),\u6bd4\u5982:\u62a5\u6587\u7684\u5e27\u8d77\u59cb\u4f4d\u5c06\u5728\u53d1\u9001\u4f7f\u80fd\u7a97\u53e3\u4e2d\u53d1\u9001\u3002
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\n\u2014\u2014\u2014\u4e13\u7528\u65f6\u95f4\u7a97\u53e3;
\n\u2014\u2014\u2014\u7a7a\u95f2\u65f6\u95f4\u7a97\u53e3;
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\u73b0\u6210\u8bd1\u6587\uff0c\u5230\u6b3e\u5373\u53d1\u3002<\/span>
\u4efb\u53d6\u6837\u9875\u9a8c\u8bc1\u8bd1\u6587\u8d28\u91cf\u3002<\/span>
\u514d\u8d39\u63d0\u4f9b\u6b63\u89c4\u589e\u503c\u7a0e\u53d1\u7968\u3002<\/span>
\u8bf7\u8054\u7cfb\u624b\u673a\/\u5fae\u4fe1: 133-0649-6964\/Email: standardtrans@foxmail.com \u8d2d\u4e70\u5b8c\u6574\u8bd1\u6587\u3002<\/span>
\u4e13\u4e1a\u6e90\u4e8e\u4e13\u6ce8|\u820d\u543e\u4e88\u8a00\u6807\u51c6\u7ffb\u8bd1\/ChinaAutoRegs\/\u59cb\u7ec8\u4e13\u6ce8\u4e8e\u673a\u52a8\u8f66\u6807\u51c6\u7ffb\u8bd1\uff01\u8fc4\u4eca\u4e3a\u6b62\u5df2\u7ffb\u8bd1\u4e0a\u5343\u4e2a\u56fd\u5185\u5916\u6c7d\u8f66\u6cd5\u89c4\u6807\u51c6\uff01\u72ec\u5bb6\u6253\u9020\u5343\u4e07\u7ea7\u6c7d\u8f66\u4e13\u4e1a\u672f\u8bed\u5e93\u548c\u8bb0\u5fc6\u5e93\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

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