Smart Transportation Systems 2020 by Unknown

Author:Unknown
Language: eng
Format: epub
ISBN: 9789811552700
Publisher: Springer Singapore

As shown in Fig. 3b, the leader should slow down first and then speed up to a speed which is not less than to pass through the intersection. For simplicity, we assume that the end speed is equal to . The speed trajectory can be illustrated in Fig. 4, the vehicle will first decelerate from to in time , then it will travel at a constant speed for time , and after that, it will accelerate to and pass through the intersection. Therefore, the time headway between the adjacent vehicles when crossing the intersection will always be equal to , which guarantees the capacity of the intersection further. To achieve the speed guidance strategy, , and are concerned and can be calculated as follows:

Fig. 4Speed trajectory of the deceleration-and-acceleration strategy

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