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Integrated optimization of energy management strategy and mission path for hybrid-electric VTOL UAVs in cargo transportation
Received date: 2023-09-19
Revised date: 2023-10-23
Accepted date: 2023-12-22
Online published: 2023-12-26
Supported by
Fundamental Research Funds for the Central Universities(56XCA2205402)
Aiming at the demand of reducing energy consumption and cost for hybrid-electric Vertical Take-Off and Landing (VTOL) UAV cargo transportation missions, an integrated optimization method for energy management strategy and mission path is proposed. A hybrid-electric VTOL UAV energy consumption model is constructed by comprehensively considering the power demand in vertical flight, forward flight and transition modes, battery charging and discharging characteristics, and engine fuel consumption characteristics. An energy management strategy of hybrid-electric VTOL UAV based on dynamic programming is proposed, and an integrated optimization model of energy management strategy and cargo transportation mission path, as well as a secondary utility evaluation system based on the shortest path solver and dynamic programming solver are constructed. With this method, the overall operation path and the energy management scheme of each sortie are optimized for two cases. The results show that the proposed method can comprehensively consider the effects of hybrid-electric system management strategy and operation path on energy consumption compared with the shortest path optimization, so that a reasonable operation path and corresponding energy management scheme can be planned to minimize the mission cost while satisfying multiple constraints.
Cheng HE , Yuqi TONG , Xinglu XIA , Gang CHEN . Integrated optimization of energy management strategy and mission path for hybrid-electric VTOL UAVs in cargo transportation[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2024 , 45(14) : 229606 -229606 . DOI: 10.7527/S1000-6893.2023.29606
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