1
John Ottavio Michelini, Stephen Lee Cooper, Shunsuke Okubo: Method and system for operating variable displacement internal combustion engine. Ford Global Technologies December 31, 2002: US06499449 (13 worldwide citation)

A method of operating an internal combustion engine having a variable cam timing mechanism in cooperation with a plurality of deactivatable cylinders and corresponding intake valves includes the steps of scheduling a transition mode of the engine, determining a desired engine torque during the trans ...


2
Shunsuke Okubo, Carol Okubo, David Mack, Jonathan Butcher: Method for controlling a hybrid electric vehicle powertrain with divided power flow paths. Ford Global Technologies August 18, 2009: US07576501 (6 worldwide citation)

A method is disclosed for enhancing reverse driving torque in a hybrid electric vehicle powertrain in which an electric motor is used for providing forward driving torque as well as reverse driving torque. An electric generator, functioning as a motor, supplies an added reverse driving torque using ...


3
Shunsuke Okubo, Fazal Syed: Method for compensating for accessory loading. Ford Global Technologies November 13, 2007: US07295915 (6 worldwide citation)

An internal combustion engine includes an advanced vehicle system controller (VSC) that calculates a total power demand to meet a driver wheel power demand plus any accessory loads and independently schedules an engine speed and load operating point to meet the total power demand. A reduction in ava ...


4
Jonathan Butcher, Ryan McGee, Fazal Syed, Paul Gartner, Shunsuke Okubo: System and method for starting a vehicle. Ford Global Technologies November 3, 2009: US07610892 (5 worldwide citation)

The present invention provides a system and method for starting a vehicle in a cold temperature environment and minimizing the time spent by the vehicle within a resonance frequency zone during operation. The present invention includes a method of starting a vehicle engine comprising adjusting the s ...


5
Shunsuke Okubo, Ming Lang Kuang, David Richens Brigham, Michael Alan Tamor: Charge depleting energy management strategy for plug-in hybrid electric vehicles. Ford Global Technologies March 20, 2012: US08140204 (4 worldwide citation)

A method for managing power distribution from an engine and a battery in a plug-in hybrid electric vehicle whereby battery power is used to meet a driver demand for power and engine power complements battery power when either battery state-of-charge limit or battery discharge power limit would be ex ...


6
Fazal Syed, Ming Kuang, Shunsuke Okubo, Matt Smith, John Czubay: Hybrid electric vehicle control system and method of use. Ford Global Technologies November 16, 2010: US07832511 (4 worldwide citation)

A rule-based fuzzy gain-scheduling proportional integral (PI) controller is provided to control desired engine power and speed behavior in a power-split HEV. The controller includes a fuzzy logic gain-scheduler and a modified PI controller that operates to improve on the control of engine power and ...


7
Fazal Syed, Ming Kuang, John Czubay, Matthew Smith, Shunsuke Okubo: Method and system for determining final desired wheel power in a hybrid electric vehicle powertrain. Ford Global Technologies November 17, 2009: US07617893 (3 worldwide citation)

A control method and system for a hybrid electric vehicle powertrain is disclosed. A filtered, profiled battery power modifier is used in calculating a final desired wheel power. Unstable battery power oscillations are avoided when a change in driver power demand is made. The effect of engine torque ...


8
Shunsuke Okubo, Matthew Smith, Benjamin Thorsen: System and method for controlling a vehicle. Ford Global Technologies September 28, 2010: US07803087 (1 worldwide citation)

The embodiments described herein include a control system and method for a vehicle. In one embodiment, the control system is able to determine the occurrence of NVH anomalies due to gear lash and control the operation of various vehicle devices to reduce the effects of gear lash. If such NVH anomali ...


9
Paul Stephen Bryan, Christopher Adam Ochocinski, Kenneth Frederick, Shunsuke Okubo: Generator power-based cold start strategy. Ford Global Technologies September 20, 2011: US08020652 (1 worldwide citation)

The method of the invention controls engine speed during engine starting for a hybrid electric vehicle that includes a battery, an engine and a generator, acting as a motor, whereby generator torque assists the engine to develop a stable running speed throughout an engine start event, particularly a ...


10
Khang Thanh Hong, William David Treharne, Paul Stephen Bryan, Shunsuke Okubo: Method and system for controlling a propulsion system of an alternatively powered vehicle. Ford Global Technologies September 7, 2010: US07789794 (1 worldwide citation)

Inverters of a hybrid electric vehicle are cooled by a coolant. Expected temperature differences between the inverters and the coolant are determined based on vehicle parameters. Actual temperature differences between the inverters and the coolant are compared to the expected temperature differences ...



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