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US 6,615,940 B2Granted
Control system for vehicle having fuel cell
AssigneeToyota Jidosha Kabushiki Kaisha
InventorKunio Morisawa
Life of this patent
Estimating the term…
Abstract
A control system of a vehicle including a fuel cell and an electric motor that drives drive wheels of the vehicle with electric energy generated by the fuel cell is provided wherein a traction controller controls the output of the drive wheels so as to secure tractive force of the vehicle when a certain traction control start condition is satisfied.
Claims48
A control system of a vehicle including a fuel cell and at least one electric motor that drives drive wheels of the vehicle with electric energy generated by the fuel cell, comprising:
- an electric energy storage device;
- controller configured to coordinate operations of the electric energy storage device and the fuel cell, so as to adjust output of the fuel cell and input and output of the electric energy storage device;
- and
- a traction controller configured to control output of the drive wheels so as to secure tractive force of the vehicle when a predetermined traction control start condition involving wheel slip is satisfied.
1 more element
A control system of a vehicle including a fuel cell and at least one electric motor that drives drive wheels of the vehicle with electric energy generated by the fuel cell, comprising:
- a traction controller configured to control output of the drive wheels so as to secure tractive force of the vehicle when a predetermined traction control start condition involving wheel slip is satisfied;
- and
- a fuel cell output controller configured to control output of the fuel cell during traction control by said traction controller.
A control system of a vehicle including a fuel cell and at least one electric motor that drives drive wheels of the vehicle with electric energy generated by the fuel cell, comprising:
- a traction controller configured to control output of the drive wheels so as to secure tractive force of the vehicle when a predetermined traction control start condition involving wheel slip is satisfied, wherein the vehicle includes a first set of wheels and a second set of wheels, one of said first set and said second set comprising front wheels, the other of said first set and said second set comprising rear wheels, and wherein said first set of wheels are driven by at least an engine, and said second set of wheels are driven by the at least one electric motor;
- an electric motor output controller;
- and
- an electric energy storage device;
- wherein said traction controller reduces output of the engine that drives the first set of wheels so as to perform traction control, and said electric motor output controller drives the at least one electric motor using electric energy supplied from at least one of the electric energy storage device and the fuel cell.
2 more elements
A control system of a vehicle including a fuel cell and at least one electric motor that drives drive wheels of the vehicle with electric energy generated by the fuel cell, comprising:
- a traction controller configured to control output of the drive wheels so as to secure tractive force of the vehicle when a predetermined traction control start condition involving wheel slip is satisfied, wherein the vehicle includes a first set of wheels and a second set of wheels, one of said first set and said second set comprising front wheels, the other of said first set and said second set comprising rear wheels, and wherein said first set of wheels are driven by at least an engine, and said second set of wheels are driven by the at least one electric motor;
- an electric motor output controller;
- wherein the vehicle further includes a generator that is driven by the engine, and said electric motor output controller drives the at least one electric motor that drives the second set of wheels, using electric energy supplied from the generator, and drives the at least one electric motor using electric energy supplied from the fuel cell when electric power generation of the generator is restricted.
A control system of a vehicle including a fuel cell and at least one electric motor that drives drive wheels of the vehicle with electric energy generated by the fuel cell, comprising:
- a traction controller configured to control output of the drive wheels so as to secure tractive force of the vehicle when a predetermined traction control start condition involving wheel slip is satisfied, wherein the vehicle includes a first set of wheels and a second set of wheels, one of said first set and said second set comprising front wheels, the other of said first set and said second set comprising rear wheels, and wherein said first set of wheels are driven by at least an engine, and said second set of wheels are driven by the at least one electric motor;
- an electric motor output controller;
- an electric energy storage device,
- a generator driven by the engine, said electric motor output controller driving the at least one electric motor using electric energy supplied from at least one of the electric energy storage device, the generator and the fuel cell;
- and
- a coordination controller configured to coordinate operations of the electric energy storage device, the generator, and the fuel cell, so as to adjust quantities of electric energy respectively supplied from the electric energy storage device, the generator, and the fuel cell, to the at least one electric motor.
3 more elements
A control system of a vehicle including a fuel cell and at least one electric motor that drives drive wheels of the vehicle with electric energy generated by the fuel cell, comprising:
- a traction controller configured to control output of the drive wheels so as to secure tractive force of the vehicle when a predetermined traction control start condition involving wheel slip is satisfied, wherein the vehicle includes a first set of wheels and a second set of wheels, one of said first set and said second set comprising front wheels, the other of said first set and said second set comprising rear wheels, and wherein said first set of wheels are driven by at least an engine, and said second set of wheels are driven by the at least one electric motor;
- and
- a fuel distribution device that distributes fuel to the fuel cell and the engine, said traction controller controlling the fuel distribution device during traction control.
A control system of a vehicle including a fuel cell and at least one electric motor that drives drive wheels of the vehicle with electric energy generated by the fuel cell, comprising:
- a traction controller configured to control output of the drive wheels so as to secure tractive force of the vehicle when a predetermined traction control start condition involving wheel slip is satisfied, wherein the vehicle includes a first set of wheels and a second set of wheels, one of said first set and said second set comprising front wheels, the other of said first set and said second set comprising rear wheels, and wherein said first set of wheels are driven by at least an engine, and said second set of wheels are driven by the at least one electric motor,
- wherein said traction controller restricts output of the fuel cell when driving of the at least one electric motor is controlled by the output of the fuel cell during traction control.
A control system of a vehicle including a fuel cell and at least one electric motor that drives drive wheels of the vehicle with electric energy generated by the fuel cell, comprising:
- a traction controller configured to control output of the drive wheels so as to secure tractive force of the vehicle when a predetermined traction control start condition involving wheel slip is satisfied,
- wherein said at least one electric motor comprises first and second electric motors, wherein the vehicle includes a pair of front wheels and a pair of rear wheels, and wherein one of the pairs of front wheels and rear wheels is driven by at least the first electric motor, and the other of the pairs of front wheels and rear wheels is driven by the second electric motor.
A control system of a vehicle including a fuel cell and at least one electric motor that drives drive wheels of the vehicle with electric energy generated by the fuel cell, comprising:
- a traction controller configured to control output of the drive wheels so as to secure tractive force of the vehicle when a predetermined traction control start condition involving wheel slip is satisfied and;
- a correcting unit that corrects traction control by said traction controller, based on an operating condition of the fuel cell.
A control system of a vehicle including a fuel cell and at least one electric motor that drives drive wheels of the vehicle with electric energy generated by the fuel cell, comprising:
- electric energy storage means;
- coordination controller means for coordinating operations of the electric energy storage means and the fuel cell, so as to adjust output of the fuel cell and input and output of the electric energy storage device;
- and
- a traction controller means for controlling output of the drive wheels so as to secure tractive force of the vehicle when a predetermined traction control start condition is satisfied.
1 more element
A control system of a vehicle including a fuel cell and at least one electric motor that drives drive wheels of the vehicle with electric energy generated by the fuel cell, comprising:
- means for determining whether a predetermined traction control start condition involving wheel slip is satisfied or not;
- traction controller means for controlling output of the drive wheels so as to secure tractive force of the vehicle when the predetermined traction control start condition is satisfied;
- and
- fuel cell output controller means for controlling output of the fuel cell during traction control by said traction controller means.
1 more element
A control system of a vehicle including a fuel cell and at least one electric motor that drives drive wheels of the vehicle with electric energy generated by the fuel cell, comprising:
- means for determining whether a predetermined traction control start condition involving wheel slip is satisfied or not;
- traction controller means for controlling output of the drive wheels so as to secure tractive force of the vehicle when the predetermined traction control start condition is satisfied, wherein the vehicle includes a first set of wheels and a second set of wheels, one of said first set and said second set comprising front wheels, the other of said first set and said second set comprising rear wheels, and wherein the first set of wheels are driven by at least an engine, and the second set of wheels are driven by the at least one electric motor;
- electric motor output controller means;
- and
- electric energy storage means;
- wherein said traction controller means reduces output of the engine that drives the first set of wheels so as to perform traction control, and said electric motor output controller means drives the at least one electric motor using electric energy supplied from the electric energy storage means and the fuel cell.
3 more elements
A control system of a vehicle including a fuel cell and at least one electric motor that drives drive wheels of the vehicle with electric energy generated by the fuel cell, comprising:
- means for determining whether a predetermined traction control start condition involving wheel slip is satisfied or not;
- traction controller means for controlling output of the drive wheels so as to secure tractive force of the vehicle when the predetermined traction control start condition is satisfied, wherein the vehicle includes a first set of wheels and a second set of wheels, one of said first set and said second set comprising front wheels, the other of said first set and said second set comprising rear wheels, and wherein the first set of wheels are driven by at least an engine, and the second set of wheels are driven by the at least one electric motor;
- and
- an electric motor output controller means;
- wherein the vehicle further includes a generator that is driven by the engine, and said electric motor output controller means drives the at least one electric motor that drives the second set of wheels, using electric energy supplied from the generator, and drives the at least one electric motor using electric energy supplied from the fuel cell when electric power generation of the generator is restricted.
2 more elements
A control system of a vehicle including a fuel cell and at least one electric motor that drives drive wheels of the vehicle with electric energy generated by the fuel cell, comprising:
- means for determining whether a predetermined traction control start condition involving wheel slip is satisfied or not;
- traction controller means for controlling output of the drive wheels so as to secure tractive force of the vehicle when the predetermined traction control start condition is satisfied, wherein the vehicle includes a first set of wheels and a second set of wheels, one of said first set and said second set comprising front wheels, the other of said first set and said second set comprising rear wheels, and wherein the first set of wheels are driven by at least an engine, and the second set of wheels are driven by the at least one electric motor;
- an electric motor output controller means;
- an electric energy storage means,
- a generator driven by the engine, wherein said electric motor output controller means drives the at least one electric motor using electric energy supplied from at least one of the electric energy storage means, the generator and the fuel cell;
- and
- a coordination controller means for coordinating operations of the electric energy storage means, the generator, and the fuel cell, so as to adjust quantities of electric energy respectively supplied from the electric energy storage means, the generator, and the fuel cell, to the at least one electric motor.
4 more elements
A control system of a vehicle including a fuel cell and at least one electric motor that drives drive wheels of the vehicle with electric energy generated by the fuel cell, comprising:
- means for determining whether a predetermined traction control start condition involving wheel slip is satisfied or not;
- traction controller means for controlling output of the drive wheels so as to secure tractive force of the vehicle when the predetermined traction control start condition is satisfied, wherein the vehicle includes a first set of wheels and a second set of wheels, one of said first set and said second set comprising front wheels, the other of said first set and said second set comprising rear wheels, and wherein the first set of wheels are driven by at least an engine, and the second set of wheels are driven by the at least one electric motor;
- and
- fuel distribution means for distributing fuel to the fuel cell and the engine, said traction controller means controlling the fuel distribution means during traction control.
1 more element
A control system of a vehicle including a fuel cell and at least one electric motor that drives drive wheels of the vehicle with electric energy generated by the fuel cell, comprising:
- means for determining whether a predetermined traction control start condition involving wheel slip is satisfied or not;
- and
- traction controller means for controlling output of the drive wheels so as to secure tractive force of the vehicle when the predetermined traction control start condition is satisfied, wherein the vehicle includes a first set of wheels and a second set of wheels, one of said first set and said second set comprising front wheels, the other of said first set and said second set comprising rear wheels, and wherein the first set of wheels are driven by at least an engine, and the second set of wheels are driven by the at least one electric motor,
- wherein said traction controller means restricts output of the fuel cell when driving of the at least one electric motor is controlled by the output of the fuel cell during traction control.
1 more element
A control system of a vehicle including a fuel cell and at least one electric motor that drives drive wheels of the vehicle with electric energy generated by the fuel cell, comprising:
- means for determining whether a predetermined traction control start condition involving wheel slip is satisfied or not;
- traction controller means for controlling output of the drive wheels so as to secure tractive force of the vehicle when the predetermined traction control start condition is satisfied;
- and
- correcting means for correcting traction control by said traction controller means, based on an operating condition of the fuel cell.
1 more element
A control method in a vehicle including a fuel cell, an electric energy storage device, and at least one electric motor, comprising:
- coordinating operations of the electric energy storage device and the fuel cell, so as to adjust output of the fuel cell and input and output of the electric energy storage device,
- driving drive wheels of the vehicle with electric energy generated by the fuel cell, and
- using a traction controller to control output of the drive wheels so as to secure tractive force of the vehicle when a predetermined traction control start condition involving wheel slip is satisfied.
A control method in a vehicle including a fuel cell and at least one electric motor, comprising the steps of:
- driving drive wheels of the vehicle with electric energy generated by the fuel cell;
- using a traction controller to control output of the drive wheels so as to secure tractive force of the vehicle when a predetermined traction control start condition involving wheel slip is satisfied;
- and
- using a fuel cell output controller to control output of the fuel cell during traction control by said traction controller.
1 more element
A control method in a vehicle including a fuel cell and at least one electric motor, comprising the steps of:
- driving drive wheels of the vehicle with electric energy generated by the fuel cell;
- using a traction controller to control output of the drive wheels so as to secure tractive force of the vehicle when a predetermined traction control start condition involving wheel slip is satisfied, wherein the vehicle includes a first set of wheels and a second set of wheels, one of said first set and said second set comprising front wheels, the other of said first set and said second set comprising rear wheels, and wherein said first set of wheels are driven by at least an engine, and said second set of wheels are driven by the at least one electric motor;
- using an electric motor output controller to control output of the at least one electric motor;
- using an electric energy storage device;
- and
- using said traction controller to reduce output of the engine that drives the first set of wheels so as to perform traction control, and using said electric motor output controller to drive the at least one electric motor with electric energy supplied from the electric energy storage device and the fuel cell.
3 more elements
A control method in a vehicle including a fuel cell and at least one electric motor, comprising the steps of:
- driving drive wheels of the vehicle with electric energy generated by the fuel cell,
- using a traction controller to control output of the drive wheels so as to secure tractive force of the vehicle when a predetermined traction control start condition involving wheel slip is satisfied, wherein the vehicle includes a first set of wheels and a second set of wheels, one of said first set and said second set comprising front wheels, the other of said first set and said second set comprising rear wheels, and wherein said first set of wheels are driven by at least an engine, and said second set of wheels are driven by the at least one electric motor;
- and
- using an electric motor output controller to control output of the at least one electric motor;
- wherein the vehicle further includes a generator that is driven by the engine, and said electric motor output controller drives the at least one electric motor that drives the second set of wheels, using electric energy supplied from the generator, and drives the at least one electric motor using electric energy supplied from the fuel cell when electric power generation of the generator is restricted.
2 more elements
A control method in a vehicle including a fuel cell and at least one electric motor, comprising the steps of:
- driving drive wheels of the vehicle with electric energy generated by the fuel cell;
- using a traction controller to control output of the drive wheels so as to secure tractive force of the vehicle when a predetermined traction control start condition involving wheel slip is satisfied, wherein the vehicle includes a first set of wheels and a second set of wheels, one of said first set and said second set comprising front wheels, the other of said first set and said second set comprising rear wheels, and wherein said first set of wheels are driven by at least an engine, and said second set of wheels are driven by the at least one electric motor;
- and
- using a fuel distribution device to distribute fuel to the fuel cell and the engine, said traction controller controlling the fuel distribution device during traction control.
1 more element
A control method in a vehicle including a fuel cell and at least one electric motor, comprising the steps of:
- driving drive wheels of the vehicle with electric energy generated by the fuel cell,
- using a traction controller to control output of the drive wheels so as to secure tractive force of the vehicle when a predetermined traction control start condition involving wheel slip is satisfied, wherein the vehicle includes a first set of wheels and a second set of wheels, one of said first set and said second set comprising front wheels, the other of said first set and said second set comprising rear wheels, and wherein said first set of wheels are driven by at least an engine, and said second set of wheels are driven by the at least one electric motor, and
- restricting output of the fuel cell when driving of the at least one electric motor is controlled by the output of the fuel cell during traction control.
A control method in a vehicle including a fuel cell and at least one electric motor, comprising the steps of:
- driving drive wheels of the vehicle with electric energy generated by the fuel cell;
- using a traction controller to control output of the drive wheels so as to secure tractive force of the vehicle when a predetermined traction control start condition involving wheel slip is satisfied;
- and
- correcting traction control by said traction controller, based on an operating condition of the fuel cell.
1 more element
A control system of a vehicle including a fuel cell and at least one electric motor that drives drive wheels of the vehicle with electric energy generated by the fuel cell, comprising:
- a brakes controller that controls application of braking force to wheels of the vehicle:
- a traction controller configured to control output of the drive wheels so as to secure tractive force of the vehicle when a predetermined traction control start condition involving wheel slip is satisfied;
- and
- a coordination controller that coordinates operations of the brakes controller, and the traction controller.
1 more element
A control system of a vehicle including a fuel cell and at least one electric motor that drives drive wheels of the vehicle with electric energy generated by the fuel cell, comprising:
- a brakes controller means for controlling application of braking force to wheels of the vehicle:
- a traction controller means for controlling output of the drive wheels so as to secure tractive force of the vehicle when a predetermined traction control start condition is satisfied;
- and
- a coordination controller means for coordinating operations of the brakes controller, and the traction controller.
1 more element
A control method in a vehicle including a fuel cell and at least one electric motor, comprising:
- controlling application of braking force to wheels of the vehicle,
- driving drive wheels of the vehicle with electric energy generated by the fuel cell,
- using a traction controller to control output of the drive wheels so as to secure tractive force of the vehicle when a predetermined traction control start condition involving wheel slip is satisfied, and
- coordinating operations of the brakes controller, and the traction controller.
1 more element
Dependencies are inferred from the claim text.