发明授权
- 专利标题： Methods of determining mid-stroke positions of active material actuated loads
- 专利标题（中）： 确定活动材料致动载荷的中间位置的方法
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申请号： US13046748申请日： 2011-03-13
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公开(公告)号： US08390305B2公开(公告)日： 2013-03-05
- 发明人: Guillermo A. Herrera , Xiujie Gao , Nancy L. Johnson , Alan L. Browne , Christopher P. Henry , Andrew C. Keefe , Geoffrey P. McKnight , Sloan Smith
- 申请人： Guillermo A. Herrera , Xiujie Gao , Nancy L. Johnson , Alan L. Browne , Christopher P. Henry , Andrew C. Keefe , Geoffrey P. McKnight , Sloan Smith
- 申请人地址： US MI Detroit
- 专利权人： GM Global Technology Operations LLC
- 当前专利权人： GM Global Technology Operations LLC
- 当前专利权人地址： US MI Detroit
- 主分类号： G01R27/08
- IPC分类号： G01R27/08
摘要：
Systems for and methods of determining at least one mid-stroke position of an active material actuated load by causing a stress induced rapid change in electrical resistance within the active material element, or modifying an ancillary circuit, when the load is at the mid-stroke position(s).