Control method for transmission of electric vehicle
AssigneesHyundai Motor Company, Kia Motors Corporation
InventorJong Yun Park
Life of this patent
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Abstract
A control method of a transmission of an electric vehicle provided with a transmission having a sleeve gear having an inclined chamfer on a first side of the sleeve gear and a flat chamfer on a second side of the sleeve gear, may include measuring a maximum movable stroke of a sleeve having the sleeve gear by moving the sleeve axially to both sides by a controller; determining a reference range to which the measured maximum stroke pertains from predetermined reference ranges by the controller; and determining and setting a neutral position of the sleeve using a predetermined determination method, depending on the determined reference range by the controller.
Claims11
A method of controlling a transmission of a vehicle mounted with the transmission and having a sleeve gear having an inclined chamfer on a first side of the sleeve gear and a flat chamfer on a second side of the sleeve gear, the method comprising:
- measuring, by a controller, a maximum movable stroke of a sleeve having the sleeve gear by moving the sleeve axially to a first side and a second side of the sleeve;
- determining, by the controller, a reference range to which the measured maximum stroke pertains from at least a predetermined reference range;
- and
- determining and setting, by the controller, a neutral position of the sleeve, depending on the determined reference range;
- and
- controlling, by the controller, the transmission according to the set neutral position of the sleeve.
Dependencies are inferred from the claim text.