Model-based control for torque biasing system
AssigneeMagna Powertrain USA, Inc.
InventorsWilliam E. Smith, Eric A. Bansbach
Life of this patent
Estimating the term…
Abstract
A power transmission device equipped with a torque biasing system and control system for controlling the torque biasing system is operable to determine a torque command and calculate a torque error based on the torque command and a model-based torque. A control signal is generated based on the torque error and the torque biasing system is operated based on the control signal.
Claims29
A power transmission device for a motor vehicle, comprising:
- a torque biasing system having a clutch pack disposed between first and second rotary members;
- a motor operable to manipulate engagement of said clutch pack based on a control signal, said motor having a position sensor operable to generate a position signal, a temperature sensor operable to generate a temperature signal and a current sensor operable to generate a current signal, and
- a control system operable to generate said control signal based on a torque command and a calculated torque, wherein said calculated torque is determined based on a model of said torque biasing system, and wherein said calculated torque is determined based on at least one of said position signal, said temperature signal and said current signal.
A power transmission device for a motor vehicle, comprising:
- a torque biasing system having a clutch pack disposed between first and second rotary members;
- a motor operable to manipulate engagement of said clutch pack based on a control signal;
- and
- a control module operable to generate said control signal based on a torque command and a calculated torque, wherein said calculated torque is determined based on a model of said torque biasing system, and wherein a temperature sensor associated with said clutch pack generates a temperature signal that is used by said control module to determine said calculated torque.
A power transmission device for a motor vehicle, comprising:
- a torque biasing system having a clutch pack disposed between first and second rotary members;
- a motor operable to manipulate engagement of said clutch pack based on a control signal;
- and
- a control module operable to generate said control signal based on a torque command and a calculated torque, wherein said calculated torque is based on a calculated interconnection position of said clutch pack, and wherein said interconnection position is based on a model of said torque biasing system.
A power transmission device for a motor vehicle, comprising:
- a torque biasing system having a clutch pack disposed between first and second rotary members;
- a motor operable to manipulate engagement of said clutch pack based on a control signal;
- and
- a control module operable to generate said control signal based on a torque command and a calculated torque, wherein said calculated torque is determined based on a model of said torque biasing system which includes a motor module, a clutch operator module and a clutch pack module.
Dependencies are inferred from the claim text.