Control system of regeneration system and control method thereof

• US 20040070372A1
• Filed: 03/20/2003
• Published: 04/15/2004
• Est. Priority Date: 04/09/2002
• Status: Active Grant

• Current Assignee: Toyota Jidosha Kabushiki Kaisha (Toyota Motor Corporation)
• Original Assignee: Toyota Jidosha Kabushiki Kaisha (Toyota Motor Corporation)
• Inventors: Kuretake, Ken, Sugiura, Masanori, Hanada, Hideto, Kawai, Takashi, Tsujii, Hiroshi
• Granted Patent: US 7,098,556 B2
• Time in Patent Office: Days
• US Class Current: 322/7
• CPC Class Codes: B60K 6/28 characterised by the electric energy storing means, e.g. batteries or capacitors
• CPC Class Codes: B60K 6/442 Series-parallel switching type
• CPC Class Codes: B60L 15/2045 for optimising the use of energy
• CPC Class Codes: B60L 2220/20 DC electrical machines
• CPC Class Codes: B60L 50/16 with provision for separate direct mechanical propulsion
• CPC Class Codes: B60L 50/40 using propulsion power supplied by capacitors
• CPC Class Codes: B60L 50/61 by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
• CPC Class Codes: B60L 7/26 Controlling the braking effect
• CPC Class Codes: B60W 10/08 including control of electric propulsion units, e.g. motors or generators
• CPC Class Codes: B60W 10/18 including control of braking systems
• CPC Class Codes: B60W 10/26 for electrical energy, e.g. batteries or capacitors
• CPC Class Codes: B60W 20/00 Control systems specially adapted for hybrid vehicles hybrid vehicle design, B60K6/00; electric vehicles B60L
• CPC Class Codes: B60W 20/13 in order to stay within battery power input or output limits; in order to prevent overcharging or battery depletion
• CPC Class Codes: B60W 2540/12 Brake pedal position
• CPC Class Codes: B60Y 2400/114 Super-capacities
• CPC Class Codes: F16H 61/14 Control of torque converter lock-up clutches
• CPC Class Codes: H02J 1/08 Three-wire systems; Systems having more than three wires
• CPC Class Codes: H02J 1/082 Plural DC voltage, e.g. DC supply voltage with at least two different DC voltage levels
• CPC Class Codes: H02J 7/1446 in response to parameters of a vehicle
• CPC Class Codes: H02J 7/345 using capacitors as storage or buffering devices
• CPC Class Codes: Y02T 10/62 : Hybrid vehicles
• CPC Class Codes: Y02T 10/64 : Electric machine technologies in electromobility
• CPC Class Codes: Y02T 10/70 : Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 : Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 10/72 : Electric energy management in electromobility

Abstract

In a control system of a regeneration system, electric power generated by a first electric generator is supplied to a first electric power storing device, and electric power is transmitted, via an intermediary device, between the first electric power storing device and a second electric power storing device which is provided separately from the first electric power storing device. The control system of a regeneration system includes determination means for determining whether or not an electric power generation amount of the first electric generator is equal to or larger than a predetermined amount, and electric power storing performance control means for determining whether or not the electric power of the second electric power storing device is to be supplied to the first electric power storing device via the intermediary device based on a determination result of the determination means.

Claims

1. A control system of a regeneration system, comprising:

a first electric generator;

a first electric power storing device to which electric power generated by the first electric generator is supplied;

a second electric power storing device which is provided separately from the first electric power storing device;

an intermediary device which is provided between the first electric power storing device and the second electric power storing device, and which allows electric power to be transmitted between the first electric power storing device and the second electric power storing device;

determination means for determining whether or not an electric power generation amount of the first electric generator is equal to or larger than a predetermined amount; and

control means for determining whether or not electric power of the second electric power storing device is to be supplied to the first electric power storing device via the intermediary device, based on a determination result of the determination means.

2. The control system according to claim 1, wherein the second electric power storing device is a secondary battery, a second electric generator is provided separately from the first electric generator, and the electric power generated by the second electric generator is supplied to the second electric power storing device.

3. The control system according to claim 1, wherein, when the determination means determines that the electric power generation amount of the first electric generator is equal to or larger than the predetermined amount, the control means permits the intermediary device to supply the electric power of the second electric power storing device to the first electric power storing device.

4. The control system according to claims 1, wherein the first electric power storing device is a capacitor, and the second electric power storing device is a battery.

5. The control system according to claim 1, wherein the first electric power storing device has a characteristic that electric power storing performance increases with an increase in the voltage.

6. A control system of a regeneration system, comprising:

a first electric generator;

a second electric generator which is provided separately from the first electric generator;

a first electric power storing device which stores at least electric power generated by the first electric generator;

a second electric power storing device which is provided separately from the first electric power storing device, and which stores at least electric power generated by the second electric generator;

determination means for determining whether or not an electric power generation amount of the first electric generator is equal to or larger than a predetermined amount; and

control means for determining whether or not the electric power of the first electric generator is to be supplied to the second electric power storing device so as to increase the electric power generation amount of the first electric generator, based on a determination result of the determination means.

7. The control system according to claim 6, wherein the control means supplies the electric power of the first electric generator to the second electric power storing device so as to increase the electric power generation amount of the first electric generator when the determination means determines that the electric power generation amount of the first electric generator is equal to or larger than the predetermined amount.

8. The control system according to claim 6, further comprising a switching means for switching between supply destinations of the electric power of the first electric generator by selecting one of the first electric power storing device and the second electric power storing device, and the second electric power storing device is selected as the supply destination of the electric power of the first electric generator when the determination means determines that the electric power generation amount of the first electric generator is equal to or larger than the predetermined amount.

9. The control system according to claim 6, wherein an accepting amount of electric power of the first electric power storing device is larger than that the second electric power storing device.

10. A control system of a regeneration system, comprising:

a first electric generator;

a first electric power storing device to which electric power generated by the first electric generator is supplied;

a second electric power storing device which is provided separately from the first electric power storing device;

an intermediary device which is provided between the first electric power storing device and the second electric power storing device, and which allows electric power to be transmitted between the first electric power storing device and the second electric power storing device;

a determination portion which determines whether or not an electric power generation amount of the first electric generator is equal to or larger than a predetermined amount; and

a control device which determines whether or not electric power of the second electric power storing device is to be supplied to the first electric power storing device via the intermediary device, based on a determination result of the determination portion.

11. The control system according to claim 10, wherein the second electric power storing device is a secondary battery, the second electric generator is provided separately from the first electric generator, and the electric power generated by the second electric generator is supplied to the second electric power storing device.

12. The control system according to claim 10, wherein, when the determination portion determines that the electric power generation amount of the first electric generator is equal to or larger than the predetermined amount, the control device permits the intermediary device to supply the electric power of the second electric power storing device to the first electric power storing device.

13. The control system according to claim 10, wherein the first electric power storing device is a capacitor, and the second electric power storing device is a battery.

14. The control system according to claim 10, wherein the first electric power storing device has a characteristic that electric power storing performance increases with an increase in the voltage.

15. A control system of a regeneration system, comprising:

a first electric generator;

a second electric generator which is provided separately from the first electric generator;

a first electric power storing device which stores at least electric power generated by the first electric generator;

a second electric power storing device which is provided separately from the first electric power storing device, and which stores at least electric power generated by the second electric generator;

a determination portion which determines whether or not an electric power generation amount of the first electric generator is equal to or larger than a predetermined amount; and

a control device which determines whether or not the electric power of the first electric generator is to be supplied to the second electric power storing device so as to increase the electric power generation amount of the first electric generator, based on a determination result of the determination portion.

16. The control system according to claim 15, wherein the control device supplies the electric power of the first electric generator to the second electric power storing device so as to increase the electric power generation amount of the first electric generator when the determination portion determines that the electric power generation amount of the first electric generator is equal to or larger than the predetermined amount.

17. The control system according to claim 15, further comprising a switching device which switches between supply destinations of the electric power of the first electric generator by selecting one of the first electric power storing device and the second electric power storing device, and the second electric power storing device is selected as the supply destination of the electric power of the first electric generator when the determination portion determines that the electric power generation amount of the first electric generator is equal to or larger than the predetermined amount.

18. The control system according to claim 15, wherein an accepting amount of electric power of the first electric power storing device is larger than that the second electric power storing device.

19. A control method of a regeneration system, in which electric power generated by a first electric generator is supplied to a first electric power storing device, and electric power is transmitted, via an intermediary device, between the first electric power storing device and a second electric power storing device which is provided separately from the first electric power storing device, comprising the steps of:

determining whether or not an electric power generation amount of the first electric generator is equal to or larger than a predetermined amount; and

determining, based on a determination result, whether or not electric power of the second electric power storing device is to be supplied to the first electric power storing device via the intermediary device.

20. A control method of a regeneration system, in which electric power generated by a first electric generator is stored in a first electric power storing device, and electric power generated by a second electric generator is stored in a second electric power storing device, comprising the steps of:

determining whether or not an electric power generation amount of the first electric generator is equal to or larger than a predetermined amount; and

supplying, based on a determination result, the electric power of the first electric generator to the second electric power storing device so as to increase the electric power generation amount of the first electric generator.