METHOD OF SETTING TRANSMISSION SHIFT POINTS IN REAL-TIME BASED UPON AN ENGINE PERFORMANCE CURVE

METHOD OF SETTING TRANSMISSION SHIFT POINTS IN REAL-TIME BASED UPON AN ENGINE PERFORMANCE CURVE

A method (200) of establishing a shift point for shifting an automatic transmission in a powered vehicle from a first gear ratio to a second gear ratio, the transmission having a controller, comprising receiving (210) torque data from a data bus electrically coupled to the controller, converting (22...

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1. Verfasser: ETCHASON, Edmond, M
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BLASTING
ENGINEERING ELEMENTS AND UNITS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
THERMAL INSULATION IN GENERAL
WEAPONS
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creator ETCHASON, Edmond, M
description A method (200) of establishing a shift point for shifting an automatic transmission in a powered vehicle from a first gear ratio to a second gear ratio, the transmission having a controller, comprising receiving (210) torque data from a data bus electrically coupled to the controller, converting (220) the torque data to power data, and calculating (250) a gear step value based on the first gear ratio and the second gear ratio. The method further comprises determining (320) a first speed value (SB) based on the power data, comparing (340) the first speed value (SB) to a full load governing speed of an engine, and setting (370) the shift point at a lower speed than the full load governing speed if the first speed value (SB) is greater than or equal to the full load governing speed as a result of the comparison.
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subjects BLASTING
ENGINEERING ELEMENTS AND UNITS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
THERMAL INSULATION IN GENERAL
WEAPONS
title METHOD OF SETTING TRANSMISSION SHIFT POINTS IN REAL-TIME BASED UPON AN ENGINE PERFORMANCE CURVE
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