METHOD AND APPARATUS TO CONTROL A CONTINUOUSLY VARIABLE TRANSMISSION
A powertrain system including a continuously variable transmission (CVT) is described. A method for controlling the CVT includes determining, employing a first controller, a first desired speed ratio in response to an output torque request. The first desired speed ratio is evaluated to determine if...
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Main Author | |
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Format | Patent |
Language | English |
Published |
11.05.2017
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Subjects | |
Online Access | Get full text |
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Summary: | A powertrain system including a continuously variable transmission (CVT) is described. A method for controlling the CVT includes determining, employing a first controller, a first desired speed ratio in response to an output torque request. The first desired speed ratio is evaluated to determine if it is valid and achievable. A second controller is employed to determine a second desired speed ratio, and a final desired speed ratio is determined based upon the first and second desired speed ratios. The final desired speed ratio is evaluated, and the CVT is controlled based upon the final desired speed ratio. |
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Bibliography: | Application Number: US201514935583 |