发明申请
- 专利标题： Transient Inlet Relative Humidity Estimation Via Adaptive Cathode Humidification Unit Model And High Frequency Resistance
- 专利标题（中）： 通过自适应阴极加湿单元模型和高频阻抗的瞬态入口相对湿度估计
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申请号： US13741803申请日： 2013-01-15
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公开(公告)号： US20140199605A1公开(公告)日： 2014-07-17
- 发明人: Manish Sinha , Sergio E. Garcia , Todd K. Preston , Edward G. Himes
- 申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC
- 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： H01M8/04
- IPC分类号： H01M8/04
摘要：
An apparatus and method to determine the relative humidity of a fuel cell system. A controller is cooperative with a first device and a second device to receive a valve signal and a high frequency resistance value. The controller controls the relative humidity of a fuel cell stack based on the estimation of the relative humidity of the fuel cell stack based on one or more algorithms. The controller modifies the relative humidity of the fuel cell stack through changes in the position of a valve based on at least one of the valve signal and the high frequency resistance value. In one form, the relative humidity of the fuel cell system is determined without the need of a humidity sensor.
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