Article(id=1214642853934973325, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1214642851472916876, articleNumber=null, orderNo=null, doi=10.19822/j.cnki.1671-6329.20230038, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1767523023351, onlineDateStr=2026-01-04, pubDate=1701705600000, pubDateStr=2023-12-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1767523023351, onlineIssueDateStr=2026-01-04, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1767523023351, creator=13701087609, updateTime=1767523023351, updator=13701087609, issue=Issue{id=1214642851472916876, tenantId=1146029695717560320, journalId=1189645257101713411, year='2023', volume='', issue='12', pageStart='1', pageEnd='62', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1767523022764, creator=13701087609, updateTime=1767533993583, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1214688866469069557, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1214642851472916876, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1214688866469069558, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1214642851472916876, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1, endPage=7, ext={EN=ArticleExt(id=1214642854140494224, articleId=1214642853934973325, tenantId=1146029695717560320, journalId=1189645257101713411, language=EN, title=Research on Steer-by-Wire Technology of Pure Electric Vehicle Based on Patent Analysis, columnId=1214642853993693582, journalTitle=Automotive Digest, columnName=Special Topic on Selected Papers from China Automotive Technology and Research Center (CATARC), runingTitle=null, highlight=null, articleAbstract=
The steer-by-wire technology is the key technology for the future development of pure electric vehicles, as the key execution system of the X-by-wire chassis, the mechanical connection is canceled, the steering operation is directly transmitted by electrical signals, the control mode is more flexible, the modular structure can be realized, the coupling and control freedom between the steering system and other subsystems of the chassis are improved. Therefore, the steer-by-wire system is an important part of the drive-by-wire chassis system. In order to provide a useful reference for R&D units and enterprises related to steer-by-wire technology, this paper uses patent analysis method to sort out key technical points in steering strategies, integrated systems and other aspects from the perspective of patent disclosure trend and patent technology composition. This paper also analyzes the development status of steer-by-wire technology of pure electric vehicles from macro and micro perspectives, proposes the key directions for future patent layout in the field of steer-by-wire for pure electric vehicle in China.
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线控转向系统是线控底盘系统的重要组成部分,作为线控底盘的关键执行系统,取消了机械连接,转向操作由电信号直接传达,控制方式更加灵活,可实现模块化结构,提高了转向系统与底盘其他子系统的耦合性和控制自由度,是纯电动汽车未来发展的关键技术之一。为了探索纯电动汽车线控转向技术态势情况,为线控转向技术相关的研发单位、企业提供有益的参考,利用专利分析方法,从专利公开态势、专利技术构成等方面梳理了转向策略、集成系统等方面的关键技术点,从宏观、微观角度剖析了纯电动汽车线控转向技术发展现状,同时提出了我国纯电动汽车线控转向领域未来的专利布局重点方向。
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| 专利类型 | 专利量 | 法律状态 | 专利量 |
| 发明 | 1 250 | 授权 | 429 |
| 实审 | 414 |
| 视撤 | 116 |
| 公开 | 108 |
| 终止 | 98 |
| 驳回 | 67 |
| 撤回 | 17 |
| 届满 | 1 |
| 实用新型 | 445 | 授权 | 247 |
| 终止 | 188 |
| 届满 | 10 |
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| 专利类型 | 专利量 | 法律状态 | 专利量 |
| 发明 | 1 250 | 授权 | 429 |
| 实审 | 414 |
| 视撤 | 116 |
| 公开 | 108 |
| 终止 | 98 |
| 驳回 | 67 |
| 撤回 | 17 |
| 届满 | 1 |
| 实用新型 | 445 | 授权 | 247 |
| 终止 | 188 |
| 届满 | 10 |
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| 一级分支 | 二级分支 | 专利量/件 |
| 转向策略 | 路感反馈控制方法 | 176 |
| 转向执行控制方法 | 536 |
| 故障诊断与容错控制方法 | 197 |
| 转向系统集成 | 转向控制装置 | 237 |
| 转向装置 | 212 |
| 集成系统 | 316 |
| 转向冗余系统 | 51 |
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线控转向系统领域专利细分情况
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| 一级分支 | 二级分支 | 专利量/件 |
| 转向策略 | 路感反馈控制方法 | 176 |
| 转向执行控制方法 | 536 |
| 故障诊断与容错控制方法 | 197 |
| 转向系统集成 | 转向控制装置 | 237 |
| 转向装置 | 212 |
| 集成系统 | 316 |
| 转向冗余系统 | 51 |
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