BRAKE SYSTEM AND ACTUATOR CONTROL DEVICE
First Claim
1. A brake system comprising:
- a first brake device including;
a first actuator that is at least one actuator to be activated by supply of an electric energy from a power source device installed in a vehicle; and
a first brake configured to restrict rotation of a first wheel that is at least one of a plurality of wheels of the vehicle, by utilizing an output of said first actuator;
a second brake device including;
a second actuator that is at least one actuator to be activated by supply of the electric energy from the power source device; and
a second brake configured to restrict rotation of a second wheel that is at least one of the plurality of wheels which is other than the first wheel, by utilizing an output of said second actuator;
a regenerative-electric-energy obtaining device configured to obtain a regenerative electric energy that is the electric energy returned to the power source device; and
an actuator control device configured to reduce a total consumed electric energy including the electric energy consumed individually by said first actuator and the electric energy consumed individually by said second actuator, by controlling at least at least one of said first actuator and said second actuator in a manner that maintains a state in which a required braking force is satisfied by at least one of a first braking force and a second braking force that are a braking force of said first brake and a braking force of said second brake, respectively, such that the total consumed electric energy is made smaller when the regenerative electric energy obtained by said regenerative-electric-energy obtaining device is small, than when the regenerative electric energy obtained by said regenerative-electric-energy obtaining device is large.
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Accused Products
Abstract
A brake system includes: (a) a first brake device including a first actuator and a first brake that utilizes an output of the first actuator; (b) a second brake device including a second actuator and a second brake that utilizes an output of the second actuator; (c) a regenerative-electric-energy obtaining device configured to obtain a regenerative electric energy that is returned to a power source device; and (d) an actuator control device configured to reduce a total consumed electric energy, by controlling the first actuator and/or the second actuator in a manner that maintains a state in which a required braking force is satisfied by a braking force of the first brake and/or a braking force of the second brake, such that the total consumed electric energy is made smaller when a regenerative electric energy is small, than when the regenerative electric energy is large.
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Citations
18 Claims
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1. A brake system comprising:
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a first brake device including;
a first actuator that is at least one actuator to be activated by supply of an electric energy from a power source device installed in a vehicle; and
a first brake configured to restrict rotation of a first wheel that is at least one of a plurality of wheels of the vehicle, by utilizing an output of said first actuator;a second brake device including;
a second actuator that is at least one actuator to be activated by supply of the electric energy from the power source device; and
a second brake configured to restrict rotation of a second wheel that is at least one of the plurality of wheels which is other than the first wheel, by utilizing an output of said second actuator;a regenerative-electric-energy obtaining device configured to obtain a regenerative electric energy that is the electric energy returned to the power source device; and an actuator control device configured to reduce a total consumed electric energy including the electric energy consumed individually by said first actuator and the electric energy consumed individually by said second actuator, by controlling at least at least one of said first actuator and said second actuator in a manner that maintains a state in which a required braking force is satisfied by at least one of a first braking force and a second braking force that are a braking force of said first brake and a braking force of said second brake, respectively, such that the total consumed electric energy is made smaller when the regenerative electric energy obtained by said regenerative-electric-energy obtaining device is small, than when the regenerative electric energy obtained by said regenerative-electric-energy obtaining device is large. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A brake system comprising:
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a first brake device including;
a first actuator that is at least one actuator to be activated by supply of an electric energy from a power source device installed in a vehicle; and
a first brake configured to restrict rotation of a first wheel that is at least one of a plurality of wheels of the vehicle, by utilizing an output of said first actuator;a second brake device including;
a second actuator that is at least one actuator to be activated by supply of the electric energy from the power source device; and
a second brake configured to restrict rotation of a second wheel that is at least one of the plurality of wheels which is other than the first wheel, by utilizing an output of said second actuator;a regenerative-electric-energy obtaining device configured to obtain a regenerative electric energy that is the electric energy returned to the power source device; and an actuator control device configured to control said second actuator, such that the electric energy consumed by said second actuator is smaller when the regenerative electric energy obtained by said regenerative-electric-energy obtaining device is smaller than a given electric energy and said first actuator is in an activated state, than when the regenerative electric energy is not smaller than the given electric energy and/or said first actuator is not in the activated state, wherein the first wheel is a front wheel of the vehicle while the second wheel is a rear wheel of the vehicle.
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17. An actuator control device which is to be connected to a power source device installed in a vehicle, and which is configured to control a plurality of actuators that are to be activated by supply of an electric energy from the power source device, the vehicle including a regenerative brake device that is configured to convert a kinetic energy of at least one electric driving motor, into the electric energy, and to return the electric energy to the power source device, the regenerative brake device being configured to apply a regenerative braking force to at least one drive wheel of the vehicle, the at least one electric driving motor being connected to the at least one drive wheel,
said actuator control device comprising: -
a regenerative-electric-energy obtaining device configured to obtain a regenerative electric energy that is the electric energy returned to the power source device; and a saving-energy-type actuator controlling portion that is configured to control at least one of the plurality of actuators in a manner that maintains a state in which a total consumed electric energy including the electric energies consumed individually by the plurality of actuators is made smaller when the regenerative electric energy obtained by said regenerative-electric-energy obtaining device is small, than when the regenerative electric energy obtained by said regenerative-electric-energy obtaining device is large. - View Dependent Claims (18)
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Specification