Vehicle behavior prediction apparatus and vehicle behavior prediction method
First Claim
1. A vehicle behavior prediction apparatus comprising:
- a storage device that stores a plurality of pieces of behavior characteristic information that is information associating a vehicle behavior of a vehicle with a characteristic of time series variation in travel condition information, the plurality of pieces of the behavior characteristic information being divided into a plurality of patterns corresponding to different traffic conditions in a preceding location preceding a predetermined location;
acquisition circuitry configured to obtain travel condition information of the vehicle;
selection circuitry configured to select, as corresponding behavior characteristic information, behavior characteristic information having a pattern that corresponds to a current traffic condition from among the plurality of pieces of the behavior characteristic information stored in the storage device on the basis of the travel condition information obtained by the acquisition circuitry upon arrival of the vehicle in the preceding location; and
prediction circuitry configured to;
predict vehicle behavior of the vehicle in the predetermined location by comparing the corresponding behavior characteristic information selected by the selection circuitry with the time series variation in the travel condition information of the vehicle currently obtained by the acquisition circuitry, andoutput a prediction result based upon the predicted vehicle behavior of the vehicle to driving assist control circuitry configured to perform driving assist based upon the prediction result,wherein the prediction circuitry is configured to predict, as the vehicle behavior, one of occurrence of deceleration behavior and occurrence of acceleration behavior by the vehicle in the predetermined location.
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Abstract
A vehicle behavior prediction apparatus includes: a storage device that stores a plurality of pieces of behavior characteristic information associating a vehicle behavior with a characteristic of time series variation in travel condition information, the plurality of pieces of the behavior characteristic information being divided into a plurality of patterns corresponding to the different traffic conditions in a preceding location preceding a predetermined location; a selection unit that selects, as corresponding behavior characteristic information, the behavior characteristic information having a pattern corresponding to a current traffic condition from among the stored behavior characteristic information on the basis of the travel condition information obtained upon arrival of the vehicle in the preceding location; and a prediction unit that predicts the vehicle behavior in the predetermined location by comparing the corresponding behavior characteristic information with the time series variation in the currently obtained travel condition information.
32 Citations
13 Claims
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1. A vehicle behavior prediction apparatus comprising:
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a storage device that stores a plurality of pieces of behavior characteristic information that is information associating a vehicle behavior of a vehicle with a characteristic of time series variation in travel condition information, the plurality of pieces of the behavior characteristic information being divided into a plurality of patterns corresponding to different traffic conditions in a preceding location preceding a predetermined location; acquisition circuitry configured to obtain travel condition information of the vehicle; selection circuitry configured to select, as corresponding behavior characteristic information, behavior characteristic information having a pattern that corresponds to a current traffic condition from among the plurality of pieces of the behavior characteristic information stored in the storage device on the basis of the travel condition information obtained by the acquisition circuitry upon arrival of the vehicle in the preceding location; and prediction circuitry configured to; predict vehicle behavior of the vehicle in the predetermined location by comparing the corresponding behavior characteristic information selected by the selection circuitry with the time series variation in the travel condition information of the vehicle currently obtained by the acquisition circuitry, and output a prediction result based upon the predicted vehicle behavior of the vehicle to driving assist control circuitry configured to perform driving assist based upon the prediction result, wherein the prediction circuitry is configured to predict, as the vehicle behavior, one of occurrence of deceleration behavior and occurrence of acceleration behavior by the vehicle in the predetermined location. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A vehicle behavior prediction method comprising:
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storing a plurality of pieces of behavior characteristic information that is information associating a vehicle behavior of a vehicle with a characteristic of time series variation in travel condition information, in a storage device, the plurality of pieces of the behavior characteristic information being divided into a plurality of patterns corresponding to different traffic conditions in a preceding location preceding a predetermined location; obtaining travel condition information of the vehicle; selecting, as corresponding behavior characteristic information, behavior characteristic information having a pattern that corresponds to a current traffic condition from among the plurality of pieces of the behavior characteristic information stored in the storage device on the basis of the travel condition information obtained upon arrival of the vehicle in the preceding location; predicting vehicle behavior of the vehicle in the predetermined location by comparing the selected corresponding behavior characteristic information with the time series variation in the currently obtained travel condition information of the vehicle; and outputting a prediction result based upon the predicted vehicle behavior of the vehicle to a driving assist control unit configured to perform driving assist based upon the prediction result, wherein predicting the vehicle behavior of the vehicle includes predicting, as the vehicle behavior, one of occurrence of deceleration behavior and occurrence of acceleration behavior by the vehicle in the predetermined location.
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11. A vehicle behavior prediction apparatus comprising:
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a storage device that stores a plurality of pieces of behavior characteristic information that is information associating a vehicle behavior of a vehicle with a characteristic of time series variation in travel condition information, the plurality of pieces of the behavior characteristic information being divided into a plurality of patterns corresponding to different traffic conditions in a preceding location preceding a predetermined location; acquisition circuitry configured to obtain travel condition information of the vehicle; selection circuitry configured to select, as corresponding behavior characteristic information, behavior characteristic information having a pattern that corresponds to a current traffic condition from among the plurality of pieces of the behavior characteristic information stored in the storage device on the basis of the travel condition information obtained by the acquisition circuitry upon arrival of the vehicle in the preceding location; and prediction circuitry configured to; predict vehicle behavior of the vehicle in the predetermined location by comparing the corresponding behavior characteristic information selected by the selection circuitry with the time series variation in the travel condition information of the vehicle currently obtained by the acquisition circuitry, and output a prediction result based upon the predicted vehicle behavior of the vehicle to driving assist control circuitry configured to perform driving assist based upon the prediction result, wherein; the behavior characteristic information is created for each travel location; and the prediction circuitry is configured to identify the travel location of the vehicle and compare the corresponding behavior characteristic information created in a location corresponding to the identified travel location with the time series variation in the travel condition information. - View Dependent Claims (12)
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13. A vehicle behavior prediction method comprising:
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storing a plurality of pieces of behavior characteristic information that is information associating a vehicle behavior of a vehicle with a characteristic of time series variation in travel condition information, in a storage device, the plurality of pieces of the behavior characteristic information being divided into a plurality of patterns corresponding to different traffic conditions in a preceding location preceding a predetermined location; obtaining travel condition information of the vehicle; selecting, as corresponding behavior characteristic information, behavior characteristic information having a pattern that corresponds to a current traffic condition from among the plurality of pieces of the behavior characteristic information stored in the storage device on the basis of the travel condition information obtained upon arrival of the vehicle in the preceding location; predicting vehicle behavior of the vehicle in the predetermined location by comparing the selected corresponding behavior characteristic information with the time series variation in the currently obtained travel condition information of the vehicle; and outputting a prediction result based upon the predicted vehicle behavior of the vehicle to a driving assist control unit configured to perform driving assist based upon the prediction result, wherein; the behavior characteristic information is created for each travel location; and the predicting the vehicle behavior of the vehicle includes identifying the travel location of the vehicle and comparing the corresponding behavior characteristic information created in a location corresponding to the identified travel location with the time series variation in the travel condition information.
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Specification