Drive control system for automobile
First Claim
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1. An automatic drive control system for a car comprising:
- recognizing means for recognizing external circumstances in a path ahead of the car;
drive situation determining means for determining a drive situation of the car on the basis of circumstances recognized by said recognizing means;
program storage means for storing control programs prepared for a plurality of different drive control modes according to previously specified drive situations;
control scheduling means for selecting at least one of said control programs according to a drive situation determined by said drive situation determining means;
control means for providing control signals in accordance with said at least one of said control programs selected by said control scheduling means; and
actuators for providing said car with speed and direction control in response to said control signals.
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Abstract
A plurality of drive control programs are selectively used to automatically control a car according to a driving situation recognized based on circumstances of a path ahead in which the car is traveling.
181 Citations
18 Claims
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1. An automatic drive control system for a car comprising:
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recognizing means for recognizing external circumstances in a path ahead of the car; drive situation determining means for determining a drive situation of the car on the basis of circumstances recognized by said recognizing means; program storage means for storing control programs prepared for a plurality of different drive control modes according to previously specified drive situations; control scheduling means for selecting at least one of said control programs according to a drive situation determined by said drive situation determining means; control means for providing control signals in accordance with said at least one of said control programs selected by said control scheduling means; and actuators for providing said car with speed and direction control in response to said control signals. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An automatic drive control system for a car comprising:
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recognizing means for recognizing external circumstances in a path ahead of the car; drive situation determining means for determining a drive situation of the car on the basis of circumstances recognized by said recognizing means; program storage means for storing a plurality of control programs prepared according to specified drive situations; control scheduling means for selecting at least one of said control programs according to a drive situation determined by said drive situation determining means; control means for providing control signals in accordance with said at least one of said control programs selected by said control scheduling means; and actuators for providing said car with speed and direction control in response to said control signals; wherein said control signals control said actuators in accordance with a control program which has a minimum control burden among control burdens for said at least one of said control programs.
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8. An automatic drive control system for a car comprising:
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a recognizing device for recognizing external circumstances in a path ahead of the car; a drive situation determining device for determining a drive situation of the car based on circumstances recognized by said recognizing device; a program storage device for storing control programs including steering control programs and speed control programs prepared for a plurality of different drive control modes according to previously specified drive situations; a control scheduling device for selecting at least one of said control programs according to a drive situation determined by said drive situation determining device; a control device for providing control signals in accordance with said at least one of said control programs selected by said control scheduling device; and actuators for providing said car with speed and direction control in response to said control signals. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. An automatic drive control system for a car comprising:
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a recognizing device for recognizing external circumstances in a path ahead of the car; a drive situation determining device for determining a drive situation of the car based on circumstances recognized by said recognizing device; a program storage device for storing a plurality of control programs including steering control programs and speed control programs prepared according to specified drive situations; a control scheduling device for selecting at least one of said control programs according to a drive situation determined by said drive situation determining device; a control device for providing control signals in accordance with said at least one of said control programs selected by said control scheduling device; and actuators for providing said car with speed and direction control in response to said control signals; wherein said control device controls an acceleration system and a braking system according to one of said control programs and said control scheduling device selects a control program which provides a lowest speed.
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16. An automatic drive control system for a car comprising;
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a recognizing device for recognizing external circumstances in a path ahead of the car; a drive situation determining device for determining a drive situation of the car based on circumstances recognized by said recognizing device; a program storage device for storing a plurality of control programs including steering control programs and speed control programs prepared according to specified drive situations; a control scheduling device for selecting at least one of said control programs according to a drive situation determined by said drive situation determining device; a control device for providing control signals in accordance with said at least one of said control programs selected by said control scheduling device; and actuators for providing said car with speed and direction control in response to said control signals; wherein said control scheduling device selects one of said control programs which provides a minimum control burden. - View Dependent Claims (17, 18)
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Specification