نتایج جستجو برای: optimal trajectory

تعداد نتایج: 408525  

Journal: :Journal of Guidance Control and Dynamics 2022

This paper presents a novel approach to the robust solution of optimal impulsive control problems under aleatory and epistemic uncertainty. The uses belief Markov decision processes reformulate problem in terms uncertainty distributions, called beliefs, rather than realizations system states. formulation leads definition where cost function constraints are functions distributions. encompasses o...

2015
Thijs van Keulen Gerrit Naus Bram de Jager René van de Molengraft Maarten Steinbuch Edo Aneke

Deceleration rates have considerable influence on the fuel economy of hybrid electric vehicles. Given the vehicle characteristics and actual/measured operating conditions, as well as upcoming route information, optimal velocity trajectories can be constructed that maximize energy recovery. To support the driver in tracking of the energy optimal velocity trajectory, automatic cruise control is a...

Journal: :Transactions of the Institute of Systems, Control and Information Engineers 1989

Hamid Reza Sahebi, S. Ebrahimi

The main attempt of this article is extension the method so that it generallywould be able to consider the classical solution of the systems and moreover,produces the optimal trajectory and control directly at the same time. There-fore we consider a control system governed by a bone marrow cancer equation.Next, by extending the underlying space, the existence of the solution is con-sidered and ...

He Linshu S. Tauqeer ul Islam Rizvi Tawfiqur Rahman,

A numerical trajectory optimization study of two types of lifting-entry reentry vehicle has been presented at low suborbital speed of 4.113 km/s and -15 degree entry angle. These orbital speeds are typical of medium range ballistic missile with ballistic range of approximately 2000 km at optimum burnout angle of approximately 41 degree for maximum ballistic range. A lifting reentry greatly enha...

2009
Y. Pang B. Wu X. Zhang

Introduction: Sparse MRI [1] is able to reduce the acquisition time and raw data size by significantly undersampling the k-space. However, the issue on how to design an optimal k-space trajectory on sparse k-space is technically challenging and has not been addressed. In this work, we use graphic theory to design an optimized non-Cartesian k-trajectory which can further decrease the acquisition...

Ali Jazayeri Narjes Jazayeri,

This paper studies the dynamic behavior of price elasticity and its effects on the overall profit. Although price elasticity has a significant effect on sales, its dynamics have not been examined so far in pricing models. In this paper, a simple pricing model is suggested in which, price elasticity is considered dynamic. The suggested pricing model is concerned with a monopolist that its object...

2015
Akilan Bharathi Jingyan Dong

The generation of a time-optimal feedrate trajectory has received significant attention in CNC machining and robotics applications. Most of the existing feedrate planning algorithms take velocity and acceleration into the consideration for capability constraints. The introduction of higher order dynamic states, such as jerk and/or jounce into the feedrate scheduling problem makes generating com...

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