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Legged robot locomotion requires the planning of stable reference trajectories, especially while traversing uneven terrain. The proposed trajectory optimization framework is capable of generating dynamically stable base and footstep…

机器人学 · 计算机科学 2021-03-24 Oguzhan Cebe , Carlo Tiseo , Guiyang Xin , Hsiu-chin Lin , Joshua Smith , Michael Mistry

We propose a state-averaged orbital optimization scheme for improving the accuracy of excited states of the electronic structure Hamiltonian for use on near-term quantum computers. Instead of parameterizing the orbital rotation operator in…

化学物理 · 物理学 2024-04-09 Joel Bierman , Yingzhou Li , Jianfeng Lu

In this article we analyze the optimal control strategy for rotating a monitored qubit from an initial pure state to an orthogonal state in minimum time. This strategy is described for two different cost functions of interest which do not…

最优化与控制 · 数学 2012-11-27 Srinivas Sridharan , Masahiro Yanagisawa , Joshua Combes

A continuous-time random walk in the quarter plane with homogeneous transition rates is considered. Given a non-negative reward function on the state space, we are interested in the expected stationary performance. Since a direct derivation…

概率论 · 数学 2017-08-31 Xinwei Bai , Jasper Goseling

The objective of this paper is to develop a model and a minimization method to provide flight path optimums reducing aircraft noise in the vicinity of airports. Optimization algorithm has solved a complex optimal control problem, and…

最优化与控制 · 数学 2008-12-18 Lina Abdallah , Mounir Haddou , Salah Khardi

Autonomous spacecraft maneuver planning using an evolutionary algorithmic approach is investigated. Simulated spacecraft were placed into four different initial orbits. Each was allowed a string of thirty delta-v impulse maneuvers in six…

神经与进化计算 · 计算机科学 2020-11-17 Sidhdharth Sikka , Harshvardhan Sikka

This paper considers a trajectory planning problem for a robot navigating complex terrains, which arises in applications ranging from autonomous mining vehicles to planetary rovers. The problem seeks to find a low-cost dynamically feasible…

机器人学 · 计算机科学 2024-07-04 Yilin Cai , Zhongqiang Ren

This paper proposes an optimization-based approach to predict trajectories of autonomous race cars. We assume that the observed trajectory is the result of an optimization problem that trades off path progress against acceleration and jerk…

系统与控制 · 电气工程与系统科学 2022-12-06 Rudolf Reiter , Florian Messerer , Markus Schratter , Daniel Watzenig , Moritz Diehl

A simple procedure is developed to determine orbital elements of an object orbiting in a central force field which contribute more than three independent celestial positions. By manipulation of formal three point Gauss method of orbit…

地球与行星天体物理 · 物理学 2015-06-17 Taghi Mirtorabi

The optimal transport problem has many applications in machine learning, physics, biology, economics, etc. Although its goal is very clear and mathematically well-defined, finding its optimal solution can be challenging for large datasets…

数值分析 · 数学 2021-12-14 Roozbeh Yousefzadeh

Most of the optimal guidance problems can be formulated as nonconvex optimization problems, which can be solved indirectly by relaxation, convexification, or linearization. Although these methods are guaranteed to converge to the global…

最优化与控制 · 数学 2024-03-19 Gyubin Park , Jiwoo Choi , Da Hoon Jeong , Jong-Han Kim

This paper proposes a preliminary work on a Conditional Task and Motion Planning algorithm able to find a plan that minimizes robot efforts while solving assigned tasks. Unlike most of the existing approaches that replan a path only when it…

机器人学 · 计算机科学 2020-09-08 Nicola Castaman , Elisa Tosello , Enrico Pagello

Bayesian estimation with an explicit transitional prior is required for a tracking algorithm to be embedded in most multi-target tracking frameworks. This paper describes a novel approach capable of tracking maneuvering spacecraft with an…

系统与控制 · 电气工程与系统科学 2024-10-25 Enrico M. Zucchelli , Brandon A. Jones

Operating unmanned aerial vehicles (UAVs) in complex environments that feature dynamic obstacles and external disturbances poses significant challenges, primarily due to the inherent uncertainty in such scenarios. Additionally, inaccurate…

机器人学 · 计算机科学 2023-09-29 Tianyu Liu , Fu Zhang , Fei Gao , Jia Pan

Recently, the centroidal momentum dynamics has received substantial attention to plan dynamically consistent motions for robots with arms and legs in multi-contact scenarios. However, it is also non convex which renders any optimization…

机器人学 · 计算机科学 2018-02-27 Brahayam Ponton , Alexander Herzog , Andrea Del Prete , Stefan Schaal , Ludovic Righetti

Recent advancements in constrained kinematic control make it an attractive strategy for controlling robots with arbitrary geometry in challenging tasks. Most current works assume that the robot kinematic model is precise enough for the task…

机器人学 · 计算机科学 2023-09-21 Murilo Marques Marinho , Bruno Vilhena Adorno

Inverted landing is a challenging feat to perform in aerial robots, especially without external positioning. However, it is routinely performed by biological fliers such as bees, flies, and bats. Our previous observations of landing…

机器人学 · 计算机科学 2022-03-04 Bryan Habas , Bader AlAttar , Brian Davis , Jack W. Langelaan , Bo Cheng

We study the minimum time control problem of the launchers. The optimal trajectories of the problem may contain singular arcs, and thus chattering arcs. The motion of the launcher is described by its attitude kinematics and dynamics and…

最优化与控制 · 数学 2015-09-28 Jiamin Zhu , Emmanuel Trélat , Max Cerf

Many combinatorial optimization problems can be formulated as the search for a subgraph that satisfies certain properties and minimizes the total weight. We assume here that the vertices correspond to points in a metric space and can take…

数据结构与算法 · 计算机科学 2024-12-25 Marin Bougeret , Jérémy Omer , Michael Poss

The parallel orbital-updating approach is an orbital/eigenfunction iteration based approach for solving eigenvalue problems when many eigenpairs are required. It has been proven to be efficient, for instance, in electronic structure…

数值分析 · 数学 2025-07-08 Xiaoying Dai , Yan Li , Bin Yang , Aihui Zhou
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