中文
相关论文

相关论文: Neighboring Optimal Guidance for Low-Thrust Multi-…

200 篇论文

In this paper we study the problem of designing periodic orbits for a special class of hybrid systems, namely mechanical systems with underactuated continuous dynamics and impulse events. We approach the problem by means of optimal control.…

最优化与控制 · 数学 2017-02-16 Sara Spedicato , Giuseppe Notarstefano

Optimized Schwarz Methods (OSMs) are based on optimized transmission conditions along the interfaces between the subdomains. Optimized transmission conditions are derived at the theoretical level, using techniques developed in the last…

数值分析 · 数学 2021-08-20 Martin J. Gander , Roland Masson , Tommaso Vanzan

Low-thrust trajectory design and in-flight control remain two of the most challenging topics for new-generation satellite operations. Most of the solutions currently implemented are based on reference trajectories and lead to sub-optimal…

机器学习 · 计算机科学 2022-11-16 Carlos M. Casas , Belen Carro , Antonio Sanchez-Esguevillas

In this paper, the trajectory planning problem for autonomous rendezvous and docking between a controlled spacecraft and a tumbling target is addressed. The use of a variable planning horizon is proposed in order to construct an appropriate…

系统与控制 · 电气工程与系统科学 2024-09-11 Mirko Leomanni , Renato Quartullo , Gianni Bianchini , Andrea Garulli , Antonio Giannitrapani

It has been hypothesized that the most likely atomic rearrangement mechanism during grain boundary (GB) migration is the one that minimizes the lengths of atomic displacements in the dichromatic pattern. In this work, we recast the problem…

材料科学 · 物理学 2021-12-07 Ian Chesser , Elizabeth Holm , Brandon Runnels

To mitigate computational power gap between the network core and edges, mobile edge computing (MEC) is poised to play a fundamental role in future generations of wireless networks. In this letter, we consider a non-orthogonal multiple…

信息论 · 计算机科学 2023-10-16 Vaibhav Kumar , Muhammad Fainan Hanif , Markku Juntti , Le-Nam Tran

We develop a single pass method for approximating the solution to an anisotropic eikonal equation related to the anisotropic min-time optimal trajectory problem. Ordered Upwind Method (OUM) solves this equation, which is a single-pass…

最优化与控制 · 数学 2021-04-14 Myong-Song Ho , Ji-Song Pak , Song-Mi Jo , Ju-Song Kim

This paper describes an efficient and nonlinearly consistent parallel solution methodology for solving coupled nonlinear thermal transport problems that occur in nuclear reactor applications over hundreds of individual 3D physical…

It has been shown that using appropriate channel coding schemes in wireless environments, transmission energy can be significantly reduced by controlling the packet transmission rate. This paper seeks optimal solutions for downlink…

最优化与控制 · 数学 2016-11-17 Lei Miao , Jianfeng Mao , Christos G. Cassandras

Non-orthogonal multiple access (NOMA) and beamforming are well-established techniques for enabling massive connectivity in future wireless networks. However, many optimal beamforming solutions rely on highly complex iterative algorithms and…

信号处理 · 电气工程与系统科学 2026-02-24 Chentong Li , Saeed Mohammadzadeh , Kanapathippillai Cumanan , Octavia A. Dobre

We consider a multimarginal optimal transport, which includes as a particular case the Wasserstein barycenter problem. In this problem one has to find an optimal coupling between $m$ probability measures, which amounts to finding a tensor…

最优化与控制 · 数学 2020-09-11 Nazarii Tupitsa , Pavel Dvurechensky , Alexander Gasnikov , César A. Uribe

This paper presents an optimization-based receding horizon trajectory planning algorithm for dynamical systems operating in unstructured and cluttered environments. The proposed approach is a two-step procedure that uses a motion planning…

最优化与控制 · 数学 2019-12-12 Kristoffer Bergman , Oskar Ljungqvist , Torkel Glad , Daniel Axehill

This paper proposes a new communication protocol for a cooperative non-orthogonal multiple access (NOMA) system. In this system, based on users' channel conditions, each two NOMA users are paired to reduce system complexity. In this…

信号处理 · 电气工程与系统科学 2018-03-29 Duc-Dung Tran , Ha-Vu Tran , Dac-Binh Ha , Georges Kaddoum

This paper discusses an outer-approximation guided optimization method for constrained neural network inverse problems with rectified linear units. The constrained neural network inverse problems refer to an optimization problem to find the…

最优化与控制 · 数学 2020-02-25 Myun-Seok Cheon

The novel concept of near-field non-orthogonal multiple access (NF-NOMA) communications is proposed. The near-filed beamfocusing enables NOMA to be carried out in both angular and distance domains. Two novel frameworks are proposed, namely,…

信息论 · 计算机科学 2023-05-22 Jiakuo Zuo , Xidong Mu , Yuanwei Liu

Industrial robotics demands significant energy to operate, making energy-reduction methodologies increasingly important. Strategies for planning minimum-energy trajectories typically involve solving nonlinear optimal control problems…

机器人学 · 计算机科学 2025-01-17 Domenico Dona' , Giovanni Franzese , Cosimo Della Santina , Paolo Boscariol , Basilio Lenzo

Low-thrust trajectories play a crucial role in optimizing scientific output and cost efficiency in asteroid belt missions. Unlike high-thrust transfers, low-thrust trajectories require solving complex optimal control problems. This…

地球与行星天体物理 · 物理学 2024-05-30 Giacomo Acciarini , Laurent Beauregard , Dario Izzo

In pursuit of a minimal basis for systems with non-ideal bond angles, in this work we try to pinpoint the exact orientation of the major overlapping orbitals along the nearest neighbouring coordination segments in a given system such that…

材料科学 · 物理学 2022-09-14 Joydev De , Sujith N S , Manoar Hossain , Joydeep Bhattacharjee

We design optimal harmonic-trap trajectories to transport cold atoms without final excitation, combining an inverse engineering techniqe based on Lewis-Riesenfeld invariants with optimal control theory. Since actual traps are not really…

量子物理 · 物理学 2011-11-08 Xi Chen , E. Torrontegui , Dionisis Stefanatos , Jr-Shin Li , J. G. Muga

In many unpaired image domain translation problems, e.g., style transfer or super-resolution, it is important to keep the translated image similar to its respective input image. We propose the extremal transport (ET) which is a mathematical…

机器学习 · 计算机科学 2023-11-03 Milena Gazdieva , Alexander Korotin , Daniil Selikhanovych , Evgeny Burnaev