发明授权
- 专利标题: Systems and methods for compensating pressure sensor errors
- 专利标题(中): 补偿压力传感器误差的系统和方法
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申请号: US12105601申请日: 2008-04-18
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公开(公告)号: US07668687B2公开(公告)日: 2010-02-23
- 发明人: Paul A. Bauerle
- 申请人: Paul A. Bauerle
- 专利权人: GM Global Technology Operations, Inc.
- 当前专利权人: GM Global Technology Operations, Inc.
- 代理机构: Harness, Dickey & Pierce, P.L.C.
- 主分类号: G01L27/00
- IPC分类号: G01L27/00 ; F02D13/00
摘要:
A pressure sensor compensation system for a control system of an engine includes N engine-off pressure measuring modules. The N engine-off pressure measuring modules calculate differences between pressure values of a corresponding one of N pressure sensors and others of the N pressure sensors when the engine is off. The N engine-off pressure measuring modules calculate N corresponding pressure correction values based on the differences, where N is an integer greater than one. N pressure compensating modules generate N corrected pressure values when the engine is on based on N uncorrected pressure values from the N pressure sensors and the N pressure correction values.