| 摘要 |
PURPOSE:To provide warning to a driver, and also adjust speeds so as to enable a vehicle to pass through a corner at an appropriate speed. CONSTITUTION:An area A through which a vehicle can pass at a present speed V0, is set up based on the temporary position P1 of your vehicle which is located forward by a set advanced distance L from the position P0 of your vehicle on a map, and on the possible minimum turning radius R determined by the vehicle speed V0. If node points N1... are located in the inside of the aforesaid area A, it is possible for the vehicle to pass through with the present speed V0 kept on as is, but if the nodes N1... are located outside beyond the aforesaid area A, is impossible for the vehicle to pass through with the present speed V0 kept on as is. When it is found impossible for the vehicle to pass through, the speed is lowered down to a speed at which the vehicle can pass through by means of warning, automatic braking and the like during the period of time for the vehicle to arrive at the temporary position P1 of your vehicle. |
