The minimization of the direct operating cost for hydrogen-powered aircraft is formulated in this paper as an optimal control problem and is solved based on Pontryagin’s minimum principle.As a consequence,the optimum...The minimization of the direct operating cost for hydrogen-powered aircraft is formulated in this paper as an optimal control problem and is solved based on Pontryagin’s minimum principle.As a consequence,the optimum cruise flight speed is determined assuming cruising at a constant altitude.The optimization criterion corresponds to theminimization of a functional representing the trade-off between the cost of hydrogen fuel and time-dependent costs,which are related by a parameter denoted by cost index.The value of this parameter is introduced by a pilot into the flight management system of the aircraft.The HY4 aircraft model is used to obtain numerical results for the proposed methodology.展开更多
文摘The minimization of the direct operating cost for hydrogen-powered aircraft is formulated in this paper as an optimal control problem and is solved based on Pontryagin’s minimum principle.As a consequence,the optimum cruise flight speed is determined assuming cruising at a constant altitude.The optimization criterion corresponds to theminimization of a functional representing the trade-off between the cost of hydrogen fuel and time-dependent costs,which are related by a parameter denoted by cost index.The value of this parameter is introduced by a pilot into the flight management system of the aircraft.The HY4 aircraft model is used to obtain numerical results for the proposed methodology.
