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This paper is devoted to the study of the dynamic optimization of several controlled crowd motion models in the general planar settings, which is an application of a class of optimal control problems involving a general nonconvex sweeping…

最优化与控制 · 数学 2025-01-20 Tan H. Cao , Nilson Chapagain , Haejoon Lee , Phung Ngoc Thi , Nguyen Nang Thieu

Visual representation learning hold great promise for robotics, but is severely hampered by the scarcity and homogeneity of robotics datasets. Recent works address this problem by pre-training visual representations on large-scale but…

机器人学 · 计算机科学 2023-10-16 Sudeep Dasari , Mohan Kumar Srirama , Unnat Jain , Abhinav Gupta

Given a geometric path, the Time-Optimal Path Tracking problem consists in finding the control strategy to traverse the path time-optimally while regulating tracking errors. A simple yet effective approach to this problem is to decompose…

机器人学 · 计算机科学 2018-03-20 Hung Pham , Quang-Cuong Pham

Optimization is offered as an objective approach to resolving complex, real-world decisions involving uncertainty and conflicting interests. It drives business strategies as well as public policies and, increasingly, lies at the heart of…

人工智能 · 计算机科学 2023-08-01 Benjamin Laufer , Thomas Krendl Gilbert , Helen Nissenbaum

Before the deep learning revolution, many perception algorithms were based on runtime optimization in conjunction with a strong prior/regularization penalty. A prime example of this in computer vision is optical and scene flow. Supervised…

计算机视觉与模式识别 · 计算机科学 2021-11-03 Xueqian Li , Jhony Kaesemodel Pontes , Simon Lucey

How can a robot navigate successfully in rich and diverse environments, indoors or outdoors, along office corridors or trails on the grassland, on the flat ground or the staircase? To this end, this work aims to address three challenges:…

机器人学 · 计算机科学 2022-06-01 Bo Ai , Wei Gao , Vinay , David Hsu

We study the problem of representation learning in goal-conditioned hierarchical reinforcement learning. In such hierarchical structures, a higher-level controller solves tasks by iteratively communicating goals which a lower-level policy…

人工智能 · 计算机科学 2019-01-10 Ofir Nachum , Shixiang Gu , Honglak Lee , Sergey Levine

Pretraining for partial differential equation (PDE) modeling has recently shown promise in scaling neural operators across datasets to improve generalizability and performance. Despite these advances, our understanding of how pretraining…

机器学习 · 计算机科学 2024-10-03 Anthony Zhou , Cooper Lorsung , AmirPouya Hemmasian , Amir Barati Farimani

We propose enhancing trajectory optimization methods through the incorporation of two key ideas: variable-grasp pose sampling and trajectory commitment. Our iterative approach samples multiple grasp poses, increasing the likelihood of…

机器人学 · 计算机科学 2023-05-23 Jiahe Pan , Kerry He , Jia Ming Ong , Akansel Cosgun

We provide a new perspective to understand why reinforcement learning (RL) struggles with robustness and generalization. We show, by examples, that local optimal policies may contain unstable control for some dynamic parameters and…

机器人学 · 计算机科学 2023-11-03 Bing Song , Jean-Jacques Slotine , Quang-Cuong Pham

Motion trajectories offer reliable references for physics-based motion learning but suffer from sparsity, particularly in regions that lack sufficient data coverage. To address this challenge, we introduce a self-supervised, structured…

机器学习 · 计算机科学 2024-02-22 Chenhao Li , Elijah Stanger-Jones , Steve Heim , Sangbae Kim

Parameter control and dynamic algorithm configuration study how to dynamically choose suitable configurations of a parametrized algorithm during the optimization process. Despite being an intensively researched topic in evolutionary…

神经与进化计算 · 计算机科学 2025-07-14 Gianluca Covini , Denis Antipov , Carola Doerr

Mappings to structured output spaces (strings, trees, partitions, etc.) are typically learned using extensions of classification algorithms to simple graphical structures (eg., linear chains) in which search and parameter estimation can be…

机器学习 · 计算机科学 2009-07-07 Hal Daumé , Daniel Marcu

Control of complex systems involves both system identification and controller design. Deep neural networks have proven to be successful in many identification tasks, however, from model-based control perspective, these networks are…

最优化与控制 · 数学 2019-02-28 Yize Chen , Yuanyuan Shi , Baosen Zhang

Many real-world systems often involve physical components or operating environments with highly nonlinear and uncertain dynamics. A number of different control algorithms can be used to design optimal controllers for such systems, assuming…

系统与控制 · 电气工程与系统科学 2023-04-06 Navid Hashemi , Justin Ruths , Jyotirmoy V. Deshmukh

We propose a new family of neural networks to predict the behaviors of physical systems by learning their underpinning constraints. A neural projection operator lies at the heart of our approach, composed of a lightweight network with an…

神经与进化计算 · 计算机科学 2020-12-15 Shuqi Yang , Xingzhe He , Bo Zhu

Attempts from different disciplines to provide a fundamental understanding of deep learning have advanced rapidly in recent years, yet a unified framework remains relatively limited. In this article, we provide one possible way to align…

机器学习 · 计算机科学 2019-10-01 Guan-Horng Liu , Evangelos A. Theodorou

The expansion in automation of increasingly fast applications and low-power edge devices poses a particular challenge for optimization based control algorithms, like model predictive control. Our proposed machine-learning supported approach…

系统与控制 · 电气工程与系统科学 2025-01-08 Hendrik Alsmeier , Anton Savchenko , Rolf Findeisen

Model predictive control (MPC) is a promising approach for the lateral and longitudinal control of autonomous vehicles. However, the parameterization of the MPC with respect to high-level requirements such as passenger comfort as well as…

系统与控制 · 电气工程与系统科学 2022-12-14 David Stenger , Robert Ritschel , Felix Krabbes , Rick Voßwinkel , Hendrik Richter

Video action models are an appealing foundation for Vision--Language--Action systems because they can learn visual dynamics from large-scale video data and transfer this knowledge to downstream robot control. Yet current diffusion-based…