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Selection of starting speed ratio of multi-speed automatic transmission
Selection of starting speed ratio of multi-speed automatic transmission
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机译:多速自动变速器启动速比的选择
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摘要
A method and apparatus for modifying the shift map of an automatically controlled vehicle transmission having individually selectable speed ratios. A calibrator determines launch ratio from a plurality of speed ratios and is responsive to ambient pressure and/or ambient temperature. The calibrator may be further responsive to engine speed, engine temperature, transmission temperature, gradient and direction of gradient.
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