CONTROL APPARATUS AND CONTROL METHOD FOR HYBRID VEHICLE
First Claim
1. A control apparatus for a hybrid vehicle including an internal combustion engine and an electrical motor each as a travel source for the vehicle and including a power storage mechanism supplying electric power to said electrical motor, said control apparatus comprising:
- a detection unit for detecting an abnormality of said power storage mechanism;
a vehicle control unit for controlling said vehicle such that said power storage mechanism is electrically disconnected from an electrical load including said electrical motor and said vehicle travels using said internal combustion engine as said travel source instead of said electrical motor, when said detection unit detects an abnormality; and
an inhibition unit for inhibiting said vehicle from traveling using said internal combustion engine, when another abnormality of said power storage mechanism is detected while said vehicle is traveling using said internal combustion engine instead of said electrical motor.
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Accused Products
Abstract
When an abnormality except for a temperature abnormality of a travel-purpose battery is detected, a battery ECU 260 of the present invention renders a system main relay to make a change to a battery-less travel mode while using a battery cooling fan to cool the travel-purpose battery. When a temperature abnormality of the travel-purpose battery is still detected, a system-off command signal is output to cause the hybrid vehicle to become unable to travel. In this way, limp home mode and system shutoff of the hybrid vehicle can be surely implemented even in the case where an abnormality occurs to the travel-purpose battery.
40 Citations
18 Claims
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1. A control apparatus for a hybrid vehicle including an internal combustion engine and an electrical motor each as a travel source for the vehicle and including a power storage mechanism supplying electric power to said electrical motor, said control apparatus comprising:
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a detection unit for detecting an abnormality of said power storage mechanism; a vehicle control unit for controlling said vehicle such that said power storage mechanism is electrically disconnected from an electrical load including said electrical motor and said vehicle travels using said internal combustion engine as said travel source instead of said electrical motor, when said detection unit detects an abnormality; and an inhibition unit for inhibiting said vehicle from traveling using said internal combustion engine, when another abnormality of said power storage mechanism is detected while said vehicle is traveling using said internal combustion engine instead of said electrical motor. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A control apparatus for a hybrid vehicle including an internal combustion engine and an electrical motor each as a travel source for the vehicle and including a power storage mechanism supplying electric power to said electrical motor, said control apparatus comprising:
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detection means for detecting an abnormality of said power storage mechanism; control means for controlling said vehicle such that said power storage mechanism is electrically disconnected from an electrical load including said electrical motor and said vehicle travels using said internal combustion engine as said travel source instead of said electrical motor, when said detection means detects an abnormality; and inhibition means for inhibiting said vehicle from traveling using said internal combustion engine, when another abnormality of said power storage mechanism is detected while said vehicle is traveling using said internal combustion engine instead of said electrical motor. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A control method for a hybrid vehicle including an internal combustion engine and an electrical motor each as a travel source for the vehicle and including a power storage mechanism supplying electric power to said electrical motor, said control method comprising the steps of:
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detecting an abnormality of said power storage mechanism; controlling said vehicle such that said power storage mechanism is electrically disconnected from an electrical load including said electrical motor and said vehicle travels using said internal combustion engine as said travel source instead of said electrical motor, when said step of detecting detects an abnormality; and inhibiting said vehicle from traveling using said internal combustion engine, when another abnormality of said power storage mechanism is detected while said vehicle is traveling using said internal combustion engine instead of said electrical motor. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification