DRIVING TORQUE COMMAND GENERATING APPARATUS AND METHOD OF OPERATING HYBRID ELECTRIC VEHICLE
First Claim
Patent Images
1. A driving torque command generating apparatus of a hybrid electric vehicle, the apparatus comprising:
- a driving input detector detecting a driving input value of a driver, including a pedal input value in response to manipulation of an accelerator pedal;
an engine speed detector detecting an engine speed of an engine of a vehicle;
a motor speed detector detecting a motor speed of a motor functioning as a driving source of the vehicle;
a wheel speed detector detecting a wheel speed of a wheel of the vehicle; and
a controller obtaining torsional state observation values using a measured engine speed, a measured motor speed, and a measured wheel speed detected by the engine speed detector, the motor speed detector, and the wheel speed detector, respectively, together with a motor torque command generated in a previous period, and generating an engine torque command and a motor torque command of a driving torque command based on the driving input value input by the driving input detector and the torsional state observation values.
1 Assignment
0 Petitions
Accused Products
Abstract
A driving torque command generating apparatus and method of operating a hybrid electric vehicle can obtain torsional state observation values using an engine speed, a motor speed, and a wheel speed detected by an engine speed detector, a motor speed detector, and a wheel speed detector, respectively, together with a motor torque command generated in a previous period, and generate an engine torque command and a motor torque command of a driving torque command based on a driving input value input by a driving input detector and the torsional state observation values.
4 Citations
20 Claims
-
1. A driving torque command generating apparatus of a hybrid electric vehicle, the apparatus comprising:
-
a driving input detector detecting a driving input value of a driver, including a pedal input value in response to manipulation of an accelerator pedal; an engine speed detector detecting an engine speed of an engine of a vehicle; a motor speed detector detecting a motor speed of a motor functioning as a driving source of the vehicle; a wheel speed detector detecting a wheel speed of a wheel of the vehicle; and a controller obtaining torsional state observation values using a measured engine speed, a measured motor speed, and a measured wheel speed detected by the engine speed detector, the motor speed detector, and the wheel speed detector, respectively, together with a motor torque command generated in a previous period, and generating an engine torque command and a motor torque command of a driving torque command based on the driving input value input by the driving input detector and the torsional state observation values. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
-
-
13. A driving torque command generating method of a hybrid electric vehicle, the method comprising:
-
detecting, by a driving input detector, a driving input value of a driver, including a pedal input value in response to manipulation of an accelerator pedal; detecting, by an engine speed detector, an engine speed of an engine of a vehicle; detecting, by a motor speed detector, a motor speed of a motor functioning as a driving source of the vehicle; detecting, by a wheel speed detector, a wheel speed of a wheel of the vehicle; and obtaining, by a controller, torsional state observation values using a measured engine speed, a measured motor speed, and a measured wheel speed detected by the engine speed detector, the motor speed detector, and the wheel speed detector, respectively, together with a motor torque command generated in a previous period; and generating, by the controller, an engine torque command and a motor torque command of a driving torque command based on the driving input value input by the driving input detector and the torsional state observation values. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
-
Specification