VEHICLE DRAWN DOWN STATE DETECTION DEVICE AND VEHICLE CONTROL DEVICE INCLUDING SAME
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Abstract
An indirect longitudinal acceleration calculation section indirectly calculates longitudinal acceleration by calculating the longitudinal acceleration, which is an acceleration in a longitudinal direction of the vehicle, from change in the speed of the vehicle detected by a vehicle speed detection section. When an uphill travel detection section detects an uphill traveling state in which the vehicle is traveling on an uphill and a drive state determination section detects a no-driving-force state in which a vehicle driving force is not generated, a vehicle drawn down state detection section detects that the longitudinal acceleration indirectly calculated by the indirect longitudinal acceleration calculation section is oriented in an accelerating direction, and determines that the vehicle is in a drawn down state.
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Citations
11 Claims
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1. (canceled)
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2. (canceled)
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3. (canceled)
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4. (canceled)
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5. (canceled)
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6. A vehicle drawn down state detection device comprising:
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a vehicle speed detection means that detects a speed of a vehicle; an indirect longitudinal acceleration calculation means for indirectly calculating a longitudinal acceleration by calculating the longitudinal acceleration, which is an acceleration in a longitudinal direction of the vehicle, from change in the speed of the vehicle detected by the vehicle speed detection means; a drive state determination means that determines a state on generation of a driving force for the vehicle; an uphill travel detection means that detects an uphill traveling state in which the vehicle is traveling on an uphill in a direction of uphill; and a vehicle drawn down state detection means for detecting a vehicle drawn down state in which the vehicle moves on the uphill in a direction opposite to the direction of uphill; wherein, when the uphill travel detection means detects the uphill traveling state and the drive state determination means detects a no-driving-force state in which the driving force for the vehicle is not generated, the vehicle drawn down state detection means detects that the longitudinal acceleration indirectly calculated by the indirect longitudinal acceleration calculation means is oriented in an accelerating direction, and determines that the vehicle is in the vehicle drawn down state. - View Dependent Claims (7, 8, 9, 10)
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11. A vehicle drawn down state detection device comprising:
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a vehicle speed detection means that detects a speed of a vehicle; an indirect longitudinal acceleration calculation means for indirectly calculating a longitudinal acceleration by calculating the longitudinal acceleration, which is an acceleration in a longitudinal direction of the vehicle, from change in the speed of the vehicle detected by the vehicle speed detection means; a drive state determination means that determines a state on generation of a driving force for the vehicle; an uphill travel detection means that detects an uphill state in which the vehicle is on an uphill; and a vehicle drawn down state detection means for detecting a vehicle drawn down state in which the vehicle moves on the uphill in a direction opposite to the direction of uphill; wherein, when the uphill travel detection means detects the uphill state and the drive state determination means detects a no-driving-force state in which the driving force for the vehicle is not generated, the vehicle drawn down state detection means determines that the vehicle is in the vehicle drawn down state if the vehicle drawn down state detection means detects that the longitudinal acceleration indirectly calculated by the indirect longitudinal acceleration calculation means is increasing.
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Specification