Apparatus and method for controlling start sequence of engine for vehicle
First Claim
1. An apparatus for controlling a start sequence of an engine for a vehicle, the apparatus comprising:
- the engine;
a motor configured to start the engine;
a main switch configured to connect power to the motor or interrupt the power to the supplied to the motor;
a main battery configured to supply the power to the motor by the main switch;
a converter configured to step up a voltage of the motor by boosting reverse power through a reverse control operation;
an auxiliary battery configured to supply the reverse power; and
a converter controller configured to perform a pre-charging operation for a predetermined time period through the reverse control operation in response to an ignition-ON signal being inputted, close the main switch to connect the main battery to the motor electrically when the pre-charging operation is completed and the stepping up the voltage is completed, and operate the motor so that the engine starts in response to a key start signal being inputted after the pre-charging operation has been completed.
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Accused Products
Abstract
An apparatus for controlling a start sequence of an engine for a vehicle may include an engine, a motor configured to start the engine, a main switch configured to connect power to the motor or interrupt the power to be supplied to the motor, a main battery configured to supply the power to the motor through the main switch, a converter configured to step up a voltage of the motor by boosting reverse power through a reverse control operation, an auxiliary battery configured to supply the reverse power, and a converter controller configured to perform a pre-charging operation for a predetermined time through the reverse control operation when an ignition-ON signal is inputted, and close the main switch when the pre-charging operation is completed.
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Citations
20 Claims
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1. An apparatus for controlling a start sequence of an engine for a vehicle, the apparatus comprising:
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the engine; a motor configured to start the engine; a main switch configured to connect power to the motor or interrupt the power to the supplied to the motor; a main battery configured to supply the power to the motor by the main switch; a converter configured to step up a voltage of the motor by boosting reverse power through a reverse control operation; an auxiliary battery configured to supply the reverse power; and a converter controller configured to perform a pre-charging operation for a predetermined time period through the reverse control operation in response to an ignition-ON signal being inputted, close the main switch to connect the main battery to the motor electrically when the pre-charging operation is completed and the stepping up the voltage is completed, and operate the motor so that the engine starts in response to a key start signal being inputted after the pre-charging operation has been completed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for controlling a start sequence of an engine for a vehicle, the method comprising:
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performing, by a converter controller, a pre-charging operation for a predetermined time through a reverse control operation in response to an ignition-ON signal being inputted, wherein the reverse control operation includes providing reverse power from an auxiliary battery; stepping up, by a converter, a voltage to be applied to a motor by boosting the reverse power provided from the auxiliary battery according to the reverse control operation; closing, by the converter controller, a main switch to connect a main battery to the motor electrically in response to the pre-charging operation being completed and the stepping up the voltage being completed; and supplying power from the main battery to the motor through the main switch to start the engine by operating the motor in response to a key start signal being inputted after the pre-charging operation has been completed. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification