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| Optimal Control of Intersection Timing in Left Turn Waiting Area Based on Improved NSGAⅡ |
| LI Yan, ZHAO Hong, MU Liang, QIU Junzheng, SUN Chuanlong, LIU Xiaotong
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| 1. School of Mechanical & Electrical Engineering, Qingdao University, Qingdao 266071, China |
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Abstract In order to further improve the comprehensive performance of road intersections, a typical intersection of Nanjing Road and Jiangxi Road in Qingdao is selected, an optimization model with a left-turn waiting area is established. The improved fast non-dominant genetic algorithm is used to optimize both vehicle delays and motor vehicle CO emissions at intersections. A model with VISSIM software is built to verify the effectiveness of the algorithm. The results show that the improved algorithm search efficiency increased by 57.4%, after multi-objective optimization of timing, the average delay of vehicles dropped by 11.7%, CO emissions decreased by 13.5%, average queue length decreased by 11.3%, and HC and NOx emissions both decreased by 2.7 %. The algorithm effectively improves the traffic capacity and environmental benefits of the intersection.
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Received: 17 August 2020
Published: 28 December 2020
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