Invention Grant
- Patent Title: Out-of-range sensor recalibration
- Patent Title (中): 超范围传感器重新校准
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Application No.: US12626970Application Date: 2009-11-30
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Publication No.: US08166795B2Publication Date: 2012-05-01
- Inventor: Wade L. Gehlhoff , Chris W. Schottler , Kishore Balasubramanian , Christian Fagerlund
- Applicant: Wade L. Gehlhoff , Chris W. Schottler , Kishore Balasubramanian , Christian Fagerlund
- Applicant Address: US OH Cleveland
- Assignee: Eaton Corporation
- Current Assignee: Eaton Corporation
- Current Assignee Address: US OH Cleveland
- Agency: Quinn Law Group, PLLC
- Main IPC: G01L27/00
- IPC: G01L27/00

Abstract:
A method for resetting a calibration of a sensor operating out-of-range in a hydraulic actuation system is provided. The hydraulic actuation system includes a pump, a reservoir, a plurality of work-ports, a plurality of sensors, and a valve system, and a controller for regulating the hydraulic actuation system based on fluid flow demand and sensed pressures. The method includes detecting the sensor operating out-of-range, opening all work-ports to the reservoir, resetting all sensors to reservoir pressure, supplying all sensors with fluid at maximum pump pressure, and sensing the maximum pump pressure at each sensor. Additionally, the method includes determining an average pressure value across all sensors, assigning the determined average pressure value to the sensor that is operating out-of-range, and resetting the calibration of the sensor that is operating out-of-range based on the reservoir pressure and the average pressure values.
Public/Granted literature
- US20110126608A1 OUT-OF-RANGE SENSOR RECALIBRATION Public/Granted day:2011-06-02
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