Coordinated taxiing planning for multiple aircraft on flight deck is of vital importance which can dramatically improve the dispatching efficiency.In this paper,first,the coordinated taxiing path planning problem is t...Coordinated taxiing planning for multiple aircraft on flight deck is of vital importance which can dramatically improve the dispatching efficiency.In this paper,first,the coordinated taxiing path planning problem is transformed into a centralized optimal control problem where collision-free conditions and mechanical limits are considered.Since the formulated optimal control problem is of large state space and highly nonlinear,an efficient hierarchical initialization technique based on the Dubins-curve method is proposed.Then,a model predictive controller is designed to track the obtained reference trajectory in the presence of initial state error and external disturbances.Numerical experiments demonstrate that the proposed“offline planningþonline tracking”framework can achieve efficient and robust coordinated taxiing planning and tracking even in the presence of initial state error and continuous external disturbances.展开更多
分布式模型预测控制(Distributed model predictive control,DMPC)是一类用十多输入多输出的人规模系统的控制方式.每个智能体通过相互协作完成整个系统的摔制.已有的分布式预测摔制算法可以划分为迭代式算法和非迭代算法:迭代算法在迭...分布式模型预测控制(Distributed model predictive control,DMPC)是一类用十多输入多输出的人规模系统的控制方式.每个智能体通过相互协作完成整个系统的摔制.已有的分布式预测摔制算法可以划分为迭代式算法和非迭代算法:迭代算法在迭代到收敛情况下,具有集中式预测控制(Centralized model predictive control,CMPC)算法的性能,但迭代次数过多,子系统问通信量人;非迭代算法不需要迭代,但性能有一定损失.本文提出了一种基十串联结构的非迭代分布式预测控制算法.本文算法在串联结构系统中可以有效减少计算量,并结合氧化铝碳分解(Alumina continuous carbonationdecomposition process,ACCDP)这一串联过程,通过仿真验证了算法的有效性;同时分析了算法运用在串联结构下的性能并证明了其稳定性.展开更多
文摘Coordinated taxiing planning for multiple aircraft on flight deck is of vital importance which can dramatically improve the dispatching efficiency.In this paper,first,the coordinated taxiing path planning problem is transformed into a centralized optimal control problem where collision-free conditions and mechanical limits are considered.Since the formulated optimal control problem is of large state space and highly nonlinear,an efficient hierarchical initialization technique based on the Dubins-curve method is proposed.Then,a model predictive controller is designed to track the obtained reference trajectory in the presence of initial state error and external disturbances.Numerical experiments demonstrate that the proposed“offline planningþonline tracking”framework can achieve efficient and robust coordinated taxiing planning and tracking even in the presence of initial state error and continuous external disturbances.
文摘分布式模型预测控制(Distributed model predictive control,DMPC)是一类用十多输入多输出的人规模系统的控制方式.每个智能体通过相互协作完成整个系统的摔制.已有的分布式预测摔制算法可以划分为迭代式算法和非迭代算法:迭代算法在迭代到收敛情况下,具有集中式预测控制(Centralized model predictive control,CMPC)算法的性能,但迭代次数过多,子系统问通信量人;非迭代算法不需要迭代,但性能有一定损失.本文提出了一种基十串联结构的非迭代分布式预测控制算法.本文算法在串联结构系统中可以有效减少计算量,并结合氧化铝碳分解(Alumina continuous carbonationdecomposition process,ACCDP)这一串联过程,通过仿真验证了算法的有效性;同时分析了算法运用在串联结构下的性能并证明了其稳定性.
