DRIVE CONTROL DEVICE FOR A VEHICLE
First Claim
1. A drive control device for a vehicle, comprising:
- a total fuel consumption amount calculating unit which calculates fuel consumption amount when the vehicle travels a unit distance at a predetermined vehicle speed and a predetermined acceleration which define a traveling pattern, for each of plural traveling patterns indicating a relationship between a vehicle speed and an acceleration when the vehicle travels a target distance, by using a relationship between a vehicle speed, an acceleration and fuel consumption amount needed to travel a unit distance when an engine operates in accordance with a fuel consumption optimum line, and calculates total fuel consumption amount by integrating the calculated fuel consumption amount when with respect to a time axis in accordance with the target distance; and
a traveling pattern calculating unit which calculates a traveling pattern which should be adopted in the plural traveling patterns, based on the total fuel consumption amount.
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Abstract
A drive control device for a vehicle is preferably used for controlling an internal combustion engine and/or a transmission, for example. A total fuel consumption amount calculating unit calculates total fuel consumption amount by integrating fuel consumption when the vehicle travels a unit distance at a predetermined vehicle speed and a predetermined acceleration, with respect to a time axis in accordance with a target distance. A traveling pattern calculating unit calculates a traveling pattern indicating a relationship between a vehicle speed and an acceleration when the vehicle travels the target distance, based on the total fuel consumption amount. By performing the control based on the calculated traveling pattern, it is possible to optimize the total fuel consumption amount. Therefore, it becomes possible to improve the actual fuel consumption.
7 Citations
7 Claims
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1. A drive control device for a vehicle, comprising:
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a total fuel consumption amount calculating unit which calculates fuel consumption amount when the vehicle travels a unit distance at a predetermined vehicle speed and a predetermined acceleration which define a traveling pattern, for each of plural traveling patterns indicating a relationship between a vehicle speed and an acceleration when the vehicle travels a target distance, by using a relationship between a vehicle speed, an acceleration and fuel consumption amount needed to travel a unit distance when an engine operates in accordance with a fuel consumption optimum line, and calculates total fuel consumption amount by integrating the calculated fuel consumption amount when with respect to a time axis in accordance with the target distance; and a traveling pattern calculating unit which calculates a traveling pattern which should be adopted in the plural traveling patterns, based on the total fuel consumption amount. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A drive control device for a vehicle, comprising:
a unit which calculates a traveling pattern indicating a relationship between a vehicle speed and an acceleration when the vehicle travels a target distance corresponding to a distance from a departure place to a destination so that, when the target distance is equal to or larger than a predetermined distance, a steady traveling to be performed by the time the vehicle arrives at the target distance is performed in a shorter time than when the target distance is smaller than the predetermined distance.
Specification