Inventor

HUBBARD GREGORY A

US47 patents

⚠️ This page may combine multiple inventors who share the name “HUBBARD GREGORY A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HUBBARD GREGORY A

GEN MOTORS CORP

Method for adjusting battery power limits in a hybrid electric vehicle to provide consistent launch characteristics

Optimal selection of input torque considering battery utilization for a hybrid electric vehicle

Optimal selection of input torque with stability of power flow for a hybrid electric vehicle

Model-based transmission upshift control with engine torque management

Model-based engine torque control for power-on downshifting in an automatic transmission

Flow-based on-coming clutch fill control for an automatic transmission

Automatic engine stop and restart mode for reducing emissions of a hybrid electric vehicle

Method for dynamically determining peak output torque in an electrically variable transmission

Method of providing electric motor torque reserve in a hybrid electric vehicle

Speed control for an electrically variable transmission

Cost structure method including fuel economy and engine emission considerations

Method for determining preferred input operating points for a vehicle transmission

Method of providing electric motor torque reserve in a hybrid electric vehicle

Method for dynamically determining peak output torque within battery constraints in a hybrid transmission including a parallel hybrid split

Real-time operating parameter selection in a vehicular transmission

Driver responsive power-on downshift control

Method for active engine stop of a hybrid electric vehicle

Engine retard operation scheduling and management in a hybrid vehicle

Coordinated regenerative and engine retard braking for a hybrid vehicle

Silent operating mode for reducing emissions of a hybrid electric vehicle

Multi-stage compression ignition engine start

Diagnostic method for a torque control of an electrically variable transmission

Engine limit control for closed-throttle transmission shifting

Model-based on-coming clutch pressure control for an automatic transmission upshift

Off-going clutch control for upshifting of an automatic transmission

Motor vehicle powertrain control method for low traction conditions

Torque and power control in a powertrain

Model-based control of an automatic transmission power-on downshift

Method of testing motor torque integrity in a hybrid electric vehicle

Method and apparatus to control hydraulic pressure in an electrically variable transmission

Force motor current control for an electronically controlled automatic transmission

Single motor recovery for an electrically variable transmission

Cross-adaptive control method for an automatic shift transmission

Near-zero speed estimation method for a pulse counting speed calculation

Model-based control of an automatic transmission garage shift

Cost structure method including fuel economy and engine emission considerations

Method of automatically flushing debris from an electrically-operated hydraulic valve

Closed-throttle downshift clutch control for an automatic transmission

GM GLOBAL TECH OPERATIONS INC

Method of determining engine output power in a hybrid electric vehicle

Hybrid powertrain with an engine input clutch and method of control

Optimal selection of input torque considering battery utilization for a hybrid electric vehicle

Hybrid powertrain with an engine input clutch and method of control

Hybrid powertrain with electrically variable transmission having parallel friction launch and method

Hybrid powertrain having an electrically variable transmission and engine valve control

Control system architecture for a hybrid powertrain

Vehicle propulsion system

SAH JY-JEN F

Method and apparatus to control launch of a vehicle having an electro-mechanical transmission