Control apparatus and method for initiating power generation for hybrid electric automobile
First Claim
1. A power generation control apparatus of a hybrid electric automobile, comprising:
- an electric motor for driving driving wheels of said hybrid electric automobile;
a power supply device for supplying electric power to said electric motor;
a generator for supplying electric power to at least one of said electric motor and said power supply device, said generator being driven by an internal-combustion engine;
operating condition detecting means for detecting an operating condition of said hybrid electric automobile;
electric motor control means for obtaining a required output of said electric motor based on said operating condition, and supplying said electric motor with electric power corresponding to said required output;
actual output detecting means for detecting an actual output generated by said electric motor;
required minimum output value setting means for setting a minimum output which said electric motor is required to generate;
remaining capacity detecting means for detecting remaining capacity of said power supply device;
comparing means for comparing said detected remaining capacity with a predetermined threshold value; and
power generation control means for controlling power generation by said generator, based on said actual output and said required minimum output value, when said detected remaining capacity is greater than said predetermined threshold value.
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Accused Products
Abstract
A power generation control apparatus of a hybrid electric automobile includes an electric motor for driving driving wheels of the hybrid electric automobile, a power supply device for supplying electric power to the electric motor, a generator for supplying electric power to the electric motor and/or the power supply device, and an internal-combustion engine for driving the generator. Initially, an operating condition of the hybrid electric automobile is detected, and a required output of the electric motor is obtained based on the operating condition, and electric power corresponding to the required output is supplied to the motor. Meanwhile, an actual output generated by the motor is detected, while a required minimum output value to be generated by the motor is determined. Power generation by the generator is controlled based on the actual output and the required minimum output value.
26 Citations
17 Claims
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1. A power generation control apparatus of a hybrid electric automobile, comprising:
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an electric motor for driving driving wheels of said hybrid electric automobile; a power supply device for supplying electric power to said electric motor; a generator for supplying electric power to at least one of said electric motor and said power supply device, said generator being driven by an internal-combustion engine; operating condition detecting means for detecting an operating condition of said hybrid electric automobile; electric motor control means for obtaining a required output of said electric motor based on said operating condition, and supplying said electric motor with electric power corresponding to said required output; actual output detecting means for detecting an actual output generated by said electric motor; required minimum output value setting means for setting a minimum output which said electric motor is required to generate; remaining capacity detecting means for detecting remaining capacity of said power supply device; comparing means for comparing said detected remaining capacity with a predetermined threshold value; and power generation control means for controlling power generation by said generator, based on said actual output and said required minimum output value, when said detected remaining capacity is greater than said predetermined threshold value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method for controlling power generation of a hybrid electric automobile including an electric motor for driving driving wheels, a power supply device for supplying electric power to said electric motor, a generator for supplying electric power to at least one of said electric motor and said power supply device, said generator being driven by said electric motor, comprising:
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detecting an operating condition of said hybrid electric automobile; obtaining a required output of said motor based on said operating condition; supplying said electric motor with electric power corresponding to said required output; detecting an actual output generated by said electric motor; setting a required minimum output value representing a minimum output which said motor is required to generate; detecting remaining capacity of the power supply device; comparing said detected remaining capacity with a predetermined threshold value; and controlling power generation by said generator based on said actual output and said required minimum output value, when said detected remaining capacity is greater than said predetermined threshold value. - View Dependent Claims (16, 17)
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Specification