APPARATUS AND METHOD FOR CONTROLLING HYBRID VEHICLE
First Claim
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1. An apparatus for controlling a hybrid vehicle, the apparatus comprising:
- an engine;
a motor-generator;
a first coupling element disposed between the engine and the motor-generator to connect and disconnect a power transmission route between the engine and the motor-generator;
a second coupling element disposed between the motor-generator and driving wheels of the hybrid vehicle to connect and disconnect a power transmission route between the motor-generator and the driving wheels;
a sensor device operable to sensing a temperature of at least one of the first coupling element and the second coupling element; and
a controller configured to control an amount of slippage in at least one of the first coupling element and the second coupling element depending on the temperature.
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Abstract
An apparatus for controlling a hybrid vehicle including a first coupling element disposed between an engine and a motor-generator, a second coupling element disposed between the motor-generator and driving wheels of the hybrid vehicle, a sensor for sensing temperatures of the first coupling element and/or the second coupling element and a controller. The controller controls an amount of slippage in either the first coupling element, the second coupling element, or both, depending on the sensed temperatures.
83 Citations
21 Claims
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1. An apparatus for controlling a hybrid vehicle, the apparatus comprising:
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an engine; a motor-generator; a first coupling element disposed between the engine and the motor-generator to connect and disconnect a power transmission route between the engine and the motor-generator; a second coupling element disposed between the motor-generator and driving wheels of the hybrid vehicle to connect and disconnect a power transmission route between the motor-generator and the driving wheels; a sensor device operable to sensing a temperature of at least one of the first coupling element and the second coupling element; and a controller configured to control an amount of slippage in at least one of the first coupling element and the second coupling element depending on the temperature. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 11, 20)
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10. The apparatus according to claim i, further comprising:
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a battery that supplies electric power to the motor-generator; and a battery state of charge detector that detects an amount of charge stored in the battery; and
wherein the controller is further configured to;conduct transition to a travel mode in which the first coupling element is disengaged, the second coupling element is completely engaged and the hybrid vehicle is driven only by a driving force of the motor-generator when the amount of charge stored in the battery equal to or greater than a predetermined value and when a travel mode in which the first coupling element is completely engaged, the second coupling element is kept in a slip-engaged state and the hybrid vehicle is driven by a driving force of the engine and the driving force of the motor-generator is selected.
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12. An apparatus for controlling a hybrid vehicle including an engine, a motor-generator, first coupling means for connecting and disconnecting a power transmission route between the engine and the motor-generator and second coupling means for connecting and disconnecting a power transmission route between the motor-generator and a driving wheel, the apparatus comprising:
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means for sensing a temperature of at least one of the first coupling means and the second coupling means; and means for controlling an amount of slippage in at least one of the first and the second coupling means depending on the temperature.
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13. A method for controlling a hybrid vehicle having an engine, a motor-generator, a first coupling element disposed between the engine and the motor-generator and a second coupling element disposed between the motor-generator and a driving wheel, the method comprising:
controlling an amount of slippage in at least one of the first coupling element and the second coupling element depending on a temperature of at least one of the first coupling element and the second coupling element. - View Dependent Claims (14, 15, 16, 17, 18, 19, 21)
Specification