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TRANSMISSION GRADE SENSOR RATIONALITY AND TRIM ALGORITHM
TRANSMISSION GRADE SENSOR RATIONALITY AND TRIM ALGORITHM
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机译:传动级传感器的合理性和修正算法
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摘要
A system for conducting a rationality check of a transmission grade sensor includes a controller configured to calculate a change in elevation over time based on a change in barometric pressure. The controller calculates another change in elevation based on an average grade determined from a transmission grade sensor. The controller compares the second change in elevation to the first change in elevation and, if there is a significant discrepancy between them, calculates a grade correction factor. The controller then modifies the shift logic and/or shift schedule of the transmission based on the average grade from the transmission grade sensor and on the grade correction factor.
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