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相关论文: Trajectory-Optimized Time Reparameterization for L…

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We consider the problem of steering a system with unknown, stochastic dynamics to satisfy a rich, temporally layered task given as a signal temporal logic formula. We represent the system as a Markov decision process in which the states are…

系统与控制 · 计算机科学 2015-10-23 Austin Jones , Derya Aksaray , Zhaodan Kong , Mac Schwager , Calin Belta

Deep reinforcement learning (DRL) finds extensive application in autonomous drone navigation within complex, high-risk environments. However, its practical deployment faces a safety-exploration dilemma: soft penalty mechanisms encourage…

机器人学 · 计算机科学 2026-05-04 Wentao Chen , Jingtang Chen , Mingjian Fu , Tiantian Li , Youfeng Su , Wenxi Liu , Yuanlong Yu

Existing quadrupedal locomotion learning paradigms usually rely on extensive domain randomization to alleviate the sim2real gap and enhance robustness. It trains policies with a wide range of environment parameters and sensor noises to…

机器人学 · 计算机科学 2025-09-23 Wei Xiao , Shangke Lyu , Zhefei Gong , Renjie Wang , Donglin Wang

Trajectory optimization considers the problem of deciding how to control a dynamical system to move along a trajectory which minimizes some cost function. Differential Dynamic Programming (DDP) is an optimal control method which utilizes a…

系统与控制 · 计算机科学 2017-01-10 David D. Fan , Evangelos A. Theodorou

Due to the unavailability of routing information in design stages prior to detailed routing (DR), the tasks of timing prediction and optimization pose major challenges. Inaccurate timing prediction wastes design effort, hurts circuit…

硬件体系结构 · 计算机科学 2023-10-04 Vidya A. Chhabria , Wenjing Jiang , Andrew B. Kahng , Sachin S. Sapatnekar

For a nonlinear dynamical system that depends on parameters, the paper introduces a novel tensorial reduced-order model (TROM). The reduced model is projection-based, and for systems with no parameters involved, it resembles proper…

数值分析 · 数学 2023-11-16 Alexander V. Mamonov , Maxim A. Olshanskii

As a core part of autonomous driving systems, motion planning has received extensive attention from academia and industry. However, real-time trajectory planning capable of spatial-temporal joint optimization is challenged by nonholonomic…

机器人学 · 计算机科学 2023-04-11 Zhichao Han , Yuwei Wu , Tong Li , Lu Zhang , Liuao Pei , Long Xu , Chengyang Li , Changjia Ma , Chao Xu , Shaojie Shen , Fei Gao

This article builds on the recently proposed RB-ML-ROM approach for parameterized parabolic PDEs and proposes a novel hierarchical Trust Region algorithm for solving parabolic PDE constrained optimization problems. Instead of using a…

最优化与控制 · 数学 2025-03-28 Benedikt Klein , Mario Ohlberger

The static ``train then deploy" paradigm fundamentally limits Large Language Models (LLMs) from dynamically adapting their weights in response to continuous streams of new information inherent in real-world tasks. Test-Time Training (TTT)…

机器学习 · 计算机科学 2026-04-08 Guhao Feng , Shengjie Luo , Kai Hua , Ge Zhang , Di He , Wenhao Huang , Tianle Cai

The reliability of autonomous systems depends on their robustness, i.e., their ability to meet their objectives under uncertainty. In this paper, we study spatiotemporal robustness of temporal logic specifications evaluated over…

人工智能 · 计算机科学 2026-05-19 Oliver Schön , Lars Lindemann

Multidimensional Retiming is one of the most important optimization techniques to improve timing parameters of nested loops. It consists in exploring the iterative and recursive structures of loops to redistribute computation nodes on cycle…

编程语言 · 计算机科学 2012-05-22 Yaroub Elloumi , Mohamed Akil , Mohamed Hedi Bedoui

The primary goal of reinforcement learning is to develop decision-making policies that prioritize optimal performance, frequently without considering safety. In contrast, safe reinforcement learning seeks to reduce or avoid unsafe behavior.…

机器学习 · 计算机科学 2025-06-17 Zahra Shahrooei , Ali Baheri

This paper introduces rotation-equivariance as a self-supervisor to train inertial odometry models. We demonstrate that the self-supervised scheme provides a powerful supervisory signal at training phase as well as at inference stage. It…

机器学习 · 统计学 2021-11-24 Caifa Zhou , Xiya Cao , Dandan Zeng , Yongliang Wang

On-policy deep reinforcement learning algorithms have low data utilization and require significant experience for policy improvement. This paper proposes a proximal policy optimization algorithm with prioritized trajectory replay (PTR-PPO)…

机器学习 · 计算机科学 2021-12-09 Xingxing Liang , Yang Ma , Yanghe Feng , Zhong Liu

This study examines the problem of hopping robot navigation planning to achieve simultaneous goal-directed and environment exploration tasks. We consider a scenario in which the robot has mandatory goal-directed tasks defined using Linear…

机器人学 · 计算机科学 2024-07-10 Jesse Jiang , Samuel Coogan , Ye Zhao

We present a novel reduced order model (ROM) approach for parameterized time-dependent PDEs based on modern learning. The ROM is suitable for multi-query problems and is nonintrusive. It is divided into two distinct stages: A nonlinear…

数值分析 · 数学 2020-11-24 Nikolaj T. Mücke , Sander M. Bohté , Cornelis W. Oosterlee

A default assumption in reinforcement learning (RL) and optimal control is that observations arrive at discrete time points on a fixed clock cycle. Yet, many applications involve continuous-time systems where the time discretization, in…

Model-based approaches for planning and control for bipedal locomotion have a long history of success. It can provide stability and safety guarantees while being effective in accomplishing many locomotion tasks. Model-free reinforcement…

机器人学 · 计算机科学 2023-10-17 Yu-Ming Chen , Hien Bui , Michael Posa

Cascading failure causes a major risk to society currently. To effectively mitigate the risk, dynamic thermal rating (DTR) technique can be applied as a cost-effective strategy to exploit potential transmission capability. From the…

系统与控制 · 电气工程与系统科学 2022-09-21 Qinfei Long , Junhong Liu , Chenhao Ren , Wenqian Yin , Feng Liu , Yunhe Hou

System optimal traffic routing can mitigate congestion by assigning routes for a portion of vehicles so that the total travel time of all vehicles in the transportation system can be reduced. However, achieving real-time optimal routing…

机器学习 · 计算机科学 2024-07-11 Zemian Ke , Qiling Zou , Jiachao Liu , Sean Qian