@article{Ziyou GAO:139, author = {Ziyou GAO, Lixing YANG}, title = {Energy-saving operation approaches for urban rail transit systems}, publisher = {Front. Eng}, year = {2019}, journal = {Frontiers of Engineering Management}, volume = {6}, number = {2}, eid = {139}, numpages = {12}, pages = {139}, keywords = {urban rail transit;energy saving;speed profile optimization;regenerative energy;train timetable}, url = {https://journal.hep.com.cn/fem/EN/abstract/article_24564.shtml}, doi = {10.1007/s42524-019-0030-7} }