Transmission ratio control systems and methods
A target ratio module selectively determines a target ratio of transmission input shaft speed to transmission output shaft speed independently of an accelerator pedal position and as a function of a vehicle speed and a driver axle torque request. A first pulley valve control module controls opening...
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Format | Patent |
Language | Chinese English |
Published |
24.05.2017
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Abstract | A target ratio module selectively determines a target ratio of transmission input shaft speed to transmission output shaft speed independently of an accelerator pedal position and as a function of a vehicle speed and a driver axle torque request. A first pulley valve control module controls opening of a first valve based on the target ratio. The first valve controls transmission fluid flow to a first pulley actuator. The first pulley actuator is coupled to the transmission input shaft of a continuously variable transmission (CVT) and expands and contracts based on transmission fluid pressure. A second pulley valve control module controls opening of a second valve based on the target ratio. The second valve controls transmission fluid flow to a second pulley actuator. The second pulley actuator is coupled to the transmission output shaft of the CVT and expands and contracts based on transmission fluid pressure.
目标比模块选择性地确定变速器输入轴速度与变速器输出轴速度的目标比,该目标比与加速器踏板位置无关并且作为车速和驾驶员车轴转矩请求的函数。第皮带轮阀控制模块基于目标比控制第阀的打开。第阀控制流向第皮带轮致 |
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AbstractList | A target ratio module selectively determines a target ratio of transmission input shaft speed to transmission output shaft speed independently of an accelerator pedal position and as a function of a vehicle speed and a driver axle torque request. A first pulley valve control module controls opening of a first valve based on the target ratio. The first valve controls transmission fluid flow to a first pulley actuator. The first pulley actuator is coupled to the transmission input shaft of a continuously variable transmission (CVT) and expands and contracts based on transmission fluid pressure. A second pulley valve control module controls opening of a second valve based on the target ratio. The second valve controls transmission fluid flow to a second pulley actuator. The second pulley actuator is coupled to the transmission output shaft of the CVT and expands and contracts based on transmission fluid pressure.
目标比模块选择性地确定变速器输入轴速度与变速器输出轴速度的目标比,该目标比与加速器踏板位置无关并且作为车速和驾驶员车轴转矩请求的函数。第皮带轮阀控制模块基于目标比控制第阀的打开。第阀控制流向第皮带轮致 |
Author | FARAHANI ARTIN MARANO JOHN E WEINGARTZ CHRISTOPHER JAY |
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DocumentTitleAlternate | 传动比控制系统和方法 |
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Snippet | A target ratio module selectively determines a target ratio of transmission input shaft speed to transmission output shaft speed independently of an... |
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SubjectTerms | 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 | Transmission ratio control systems and methods |
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