Bob is a bus driver. One fine day, Bob went to the garage(车库), started his bus and drove off along the route(路线). There were no problems for the first few stops. A few people got on the bus, then a few people got ...Bob is a bus driver. One fine day, Bob went to the garage(车库), started his bus and drove off along the route(路线). There were no problems for the first few stops. A few people got on the bus, then a few people got off, and things went well. At the next stop, however, a big hulk of a guy( 大块头) got on. He展开更多
Foreign bus engine makers are climbing aboard to seize the market as a stringent auto emission standard is implemented While Beijing citizens applaud the implementation of the environmentally friendly EuroⅢauto emiss...Foreign bus engine makers are climbing aboard to seize the market as a stringent auto emission standard is implemented While Beijing citizens applaud the implementation of the environmentally friendly EuroⅢauto emission standard in Beijing this year, domestic engine manufacturers find themselves in an embarrassing situation-they don't have the know-how to produce the motors. This salient fact is allowing foreign manufacturers to scoop up the lion's share of the motor business, especially bus engines. "Ou...展开更多
This paper aims to answer how to use traffic information to design energy management strategies for fuel cell buses in a networked environment.For the buses entering the bus stops scenario,this paper proposes a hierar...This paper aims to answer how to use traffic information to design energy management strategies for fuel cell buses in a networked environment.For the buses entering the bus stops scenario,this paper proposes a hierarchical energy management strategy for fuel cell buses,which considers the traffic information near the bus stops.In the upper-level trajectory planning stage,the optimal SOC trajectory under various historical traffic conditions is solved through dynamic planning.The traffic information and the best SOC trajectory are mapped through BiLSTM,which can achieve fast,real-time long-term SOC reference.In the lower-level real-time predictive energy management strategy,the optimal SOC is used as the state reference to guide the predictive energy management of fuel cell buses when entering the bus stops.Simulation results show that compared with the strategy without SOC trajectory reference,the life cost of the proposed strategy is reduced by 13.8%,and the total cost is reduced by 3.61%.The SOC of the proposed strategy is closer to the DP optimal solution.展开更多
文摘Bob is a bus driver. One fine day, Bob went to the garage(车库), started his bus and drove off along the route(路线). There were no problems for the first few stops. A few people got on the bus, then a few people got off, and things went well. At the next stop, however, a big hulk of a guy( 大块头) got on. He
文摘Foreign bus engine makers are climbing aboard to seize the market as a stringent auto emission standard is implemented While Beijing citizens applaud the implementation of the environmentally friendly EuroⅢauto emission standard in Beijing this year, domestic engine manufacturers find themselves in an embarrassing situation-they don't have the know-how to produce the motors. This salient fact is allowing foreign manufacturers to scoop up the lion's share of the motor business, especially bus engines. "Ou...
基金supported by the National Natural Science Foundation of China(Grand No.52202484)the Hebei Natural Science Foundation(Grand No.F2021203118)+1 种基金the Beijing Natural Science Foundation(Grand No.J210007)the Science and Technology Project of Hebei Education Department(Grand No.QN2022093).
文摘This paper aims to answer how to use traffic information to design energy management strategies for fuel cell buses in a networked environment.For the buses entering the bus stops scenario,this paper proposes a hierarchical energy management strategy for fuel cell buses,which considers the traffic information near the bus stops.In the upper-level trajectory planning stage,the optimal SOC trajectory under various historical traffic conditions is solved through dynamic planning.The traffic information and the best SOC trajectory are mapped through BiLSTM,which can achieve fast,real-time long-term SOC reference.In the lower-level real-time predictive energy management strategy,the optimal SOC is used as the state reference to guide the predictive energy management of fuel cell buses when entering the bus stops.Simulation results show that compared with the strategy without SOC trajectory reference,the life cost of the proposed strategy is reduced by 13.8%,and the total cost is reduced by 3.61%.The SOC of the proposed strategy is closer to the DP optimal solution.
