Control system for vehicle having fuel cell
First Claim
Patent Images
1. 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.
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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.
102 Citations
48 Claims
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1. 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:
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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. - View Dependent Claims (4, 7, 13)
an electric motor output controller; and
an electric energy storage device;
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 using electric energy supplied from at least one of the electric energy storage device, the generator, and the fuel cell.
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13. The control system as defined in claim 1, wherein said traction controller performs traction control by operating wheel brakes that apply braking force to wheels of the vehicle.
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2. 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:
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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. - View Dependent Claims (3)
an electric motor output controller configured to control output of the at least one electric motor; and
an electric energy storage device;
wherein said fuel cell output controller reduces the output of the fuel cell, thereby to reduce the output of the at least one electric motor during traction control by said traction controller; and
wherein, if the output of the at least one electric motor is to be subsequently increased, said electric motor output controller increases output torque of the at least one electric motor by using electric energy from the electric energy storage device.
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5. 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:
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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.
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6. 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:
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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.
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8. 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:
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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.
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9. 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:
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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. - View Dependent Claims (10)
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11. 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:
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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.
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12. 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:
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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. - View Dependent Claims (43)
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14. 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:
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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.
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15. 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:
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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. - View Dependent Claims (18, 21, 26, 27, 44)
an electric motor output controller means; and
an electric energy storage 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 using electric energy supplied from at least one of the electric energy storage means, the generator, and the fuel cell.
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26. The control system as defined in claim 15, 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.
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27. A control system according to claim 15, wherein said traction controller means performs traction control by operating wheel brakes that apply braking force to wheels of the vehicle.
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44. The control system as defined in claim 26, wherein said one of the pairs of front wheels and rear wheels is further driven by an engine.
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16. 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:
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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. - View Dependent Claims (17)
electric motor output controller means for controlling output of the at least one electric motor; and
electric energy storage means;
wherein said fuel cell output controller means reduces the output of the fuel cell, thereby to reduce the output of the at least one electric motor during traction control by said traction controller means; and
wherein, if the output of the at least one electric motor is to be subsequently increased, said electric motor output controller means increases output torque of the at least one electric motor by using electric energy from the electric energy storage means.
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19. 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:
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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.
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20. 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:
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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.
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22. 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:
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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.
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23. 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:
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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. - View Dependent Claims (24)
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25. 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:
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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.
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28. 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:
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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.
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29. A control method in a vehicle including a fuel cell, an electric energy storage device, and at least one electric motor, comprising:
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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. - View Dependent Claims (32, 35, 36, 40, 41, 45)
using an electric motor output controller to control output of the at least one electric motor; and
using an electric energy storage device;
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 using electric energy supplied from at least one of the electric energy storage device, the generator, and the fuel cell.
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36. The control method as defined in claim 35, further comprising the step of coordinating 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.
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40. The control method as defined in claim 29, wherein said at least one electric motor comprises first and second electric motors, wherein one of 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.
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41. A control method as defined in claim 29, wherein said traction controller operates wheel brakes that apply braking force to wheels of the vehicle.
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45. The control method as defined in claim 40, wherein said one of the pairs of front wheels and rear wheels is further driven by an engine.
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30. A control method in a vehicle including a fuel cell and at least one electric motor, comprising the steps of:
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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. - View Dependent Claims (31)
using an electric motor output controller to control output of the at least one electric motor;
using said fuel cell output controller to reduce the output of the fuel cell, thereby to reduce the output of the at least one electric motor during traction control by said traction controller; and
when the output of the at least one electric motor is to be subsequently increased, using said electric motor output controller to increase output torque of the at least one electric motor by using electric energy from an electric energy storage device.
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33. A control method in a vehicle including a fuel cell and at least one electric motor, comprising the steps of:
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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.
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34. A control method in a vehicle including a fuel cell and at least one electric motor, comprising the steps of:
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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.
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37. A control method in a vehicle including a fuel cell and at least one electric motor, comprising the steps of:
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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. - View Dependent Claims (38)
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39. A control method in a vehicle including a fuel cell and at least one electric motor, comprising the steps of:
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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.
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42. A control method in a vehicle including a fuel cell and at least one electric motor, comprising the steps of:
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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.
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46. 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:
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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.
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47. 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:
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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.
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48. A control method in a vehicle including a fuel cell and at least one electric motor, comprising:
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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.
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Specification