Adaptive cruise control system using shared vehicle network data
First Claim
1. A method of adaptively controlling the speed of a reference vehicle having a controller comprising:
- detecting a target vehicle;
setting a reference vehicle headway distance indicative of a desired separation between said reference vehicle and said target vehicle;
receiving at said reference vehicle, by way of an inter-vehicle communication network, target vehicle data communicated from said target vehicle; and
modifying said reference vehicle headway distance as a function of said target vehicle data.
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Accused Products
Abstract
A method of adaptively controlling the speed of a reference vehicle having a controller is provided. The method includes detecting a target vehicle, setting a reference vehicle headway distance indicative of a desired separation between the reference vehicle and the target vehicle, receiving at the reference vehicle, target vehicle data from the target vehicle, and modifying the reference vehicle headway distance as a function of the target vehicle data. The target vehicle data includes a braking capability value (BCT) of the target vehicle. A braking capability value (BCR) for the reference vehicle is also determined. If the BCR or BCT indicates a less than optimum braking capability for the reference or target vehicles, the reference vehicle headway distance is increased. In this way, the relative braking capability of the two vehicles is used to modify the reference vehicle headway distance during adaptive cruise control operation.
42 Citations
20 Claims
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1. A method of adaptively controlling the speed of a reference vehicle having a controller comprising:
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detecting a target vehicle;
setting a reference vehicle headway distance indicative of a desired separation between said reference vehicle and said target vehicle;
receiving at said reference vehicle, by way of an inter-vehicle communication network, target vehicle data communicated from said target vehicle; and
modifying said reference vehicle headway distance as a function of said target vehicle data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of adaptively controlling the speed of a reference vehicle having a controller comprising:
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detecting a target vehicle;
setting a reference vehicle headway distance indicative of a desired separation between said reference vehicle and said target vehicle;
receiving at said reference vehicle, a braking capability value (BCT) for said target vehicle, by way of an inter-vehicle communication network;
generating a braking capability value (BCR) for said reference vehicle; and
modifying said reference vehicle headway distance as a function of said BCT and said BCR. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. An adaptive cruise control system for a reference vehicle comprising:
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a memory for storing reference vehicle data;
a detection system for detecting a target vehicle;
a receiver receiving target vehicle data from said detected target vehicle by way of an inter-vehicle communication network; and
a controller coupled to said memory for adaptively controlling a speed of said reference vehicle to maintain a reference vehicle headway distance indicative of a desired separation between said reference vehicle and said target vehicle, wherein said reference vehicle headway distance is generated as a function of said reference vehicle data and said target vehicle data. - View Dependent Claims (18, 19, 20)
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Specification