English
Related papers

Related papers: GCImOpt: Learning efficient goal-conditioned polic…

200 papers

This paper aims to improve the path quality and computational efficiency of kinodynamic planners used for vehicular systems. It proposes a learning framework for identifying promising controls during the expansion process of sampling-based…

Robotics · Computer Science 2022-01-10 Seth Karten , Aravind Sivaramakrishnan , Edgar Granados , Troy McMahon , Kostas E. Bekris

Controlling spacecraft near asteroids in deep space comes with many challenges. The delays involved necessitate heavy usage of limited onboard computation resources while fuel efficiency remains a priority to support the long loiter times…

Robotics · Computer Science 2025-02-04 Patrick Quinn , George Nehma , Madhur Tiwari

Robotic learning for navigation in unfamiliar environments needs to provide policies for both task-oriented navigation (i.e., reaching a goal that the robot has located), and task-agnostic exploration (i.e., searching for a goal in a novel…

Robotics · Computer Science 2023-10-13 Ajay Sridhar , Dhruv Shah , Catherine Glossop , Sergey Levine

The goal of imitation learning is to mimic expert behavior from demonstrations, without access to an explicit reward signal. A popular class of approach infers the (unknown) reward function via inverse reinforcement learning (IRL) followed…

Machine Learning · Computer Science 2022-04-19 Carl Qi , Pieter Abbeel , Aditya Grover

The computational burden of model predictive control (MPC) limits its application on real-time systems, such as robots, and often requires the use of short prediction horizons. This not only affects the control performance, but also…

In learning from demonstrations, many generative models of trajectories make simplifying assumptions of independence. Correctness is sacrificed in the name of tractability and speed of the learning phase. The ignored dependencies, which…

Robotics · Computer Science 2020-11-09 Emmanuel Pignat , Hakan Girgin , Sylvain Calinon

Learning to navigate to an image-specified goal is an important but challenging task for autonomous systems. The agent is required to reason the goal location from where a picture is shot. Existing methods try to solve this problem by…

Computer Vision and Pattern Recognition · Computer Science 2023-10-12 Xinyu Sun , Peihao Chen , Jugang Fan , Thomas H. Li , Jian Chen , Mingkui Tan

The combination of policy search and deep neural networks holds the promise of automating a variety of decision-making tasks. Model Predictive Control (MPC) provides robust solutions to robot control tasks by making use of a dynamical model…

Robotics · Computer Science 2021-05-11 Yunlong Song , Davide Scaramuzza

The increasing energy demands and carbon footprint of large-scale AI require intelligent workload management in globally distributed data centers. Yet progress is limited by the absence of benchmarks that realistically capture the interplay…

We present a distributed model predictive control (DMPC) algorithm to generate trajectories in real-time for multiple robots. We adopted the \textit{on-demand collision avoidance} method presented in previous work to efficiently compute…

Robotics · Computer Science 2020-01-28 Carlos E. Luis , Marijan Vukosavljev , Angela P. Schoellig

Model-free reinforcement learning has recently been shown to be effective at learning navigation policies from complex image input. However, these algorithms tend to require large amounts of interaction with the environment, which can be…

Robotics · Computer Science 2018-07-17 Jake Bruce , Niko Sünderhauf , Piotr Mirowski , Raia Hadsell , Michael Milford

We demonstrate the first large-scale application of model-based generative adversarial imitation learning (MGAIL) to the task of dense urban self-driving. We augment standard MGAIL using a hierarchical model to enable generalization to…

Policy gradient methods have shown success in learning control policies for high-dimensional dynamical systems. Their biggest downside is the amount of exploration they require before yielding high-performing policies. In a lifelong…

Machine Learning · Computer Science 2020-10-23 Jorge A. Mendez , Boyu Wang , Eric Eaton

We study generalizable policy learning from demonstrations for complex low-level control (e.g., contact-rich object manipulations). We propose a novel hierarchical imitation learning method that utilizes sub-optimal demos. Firstly, we…

Machine Learning · Computer Science 2024-07-09 Zhiwei Jia , Vineet Thumuluri , Fangchen Liu , Linghao Chen , Zhiao Huang , Hao Su

Developing autonomous vehicles that can navigate complex environments with human-level safety and efficiency is a central goal in self-driving research. A common approach to achieving this is imitation learning, where agents are trained to…

Robotics · Computer Science 2025-03-19 Clémence Grislain , Risto Vuorio , Cong Lu , Shimon Whiteson

We propose GameOpt: a novel hybrid approach to cooperative intersection control for dynamic, multi-lane, unsignalized intersections. Safely navigating these complex and accident prone intersections requires simultaneous trajectory planning…

Robotics · Computer Science 2022-03-21 Nilesh Suriyarachchi , Rohan Chandra , John S. Baras , Dinesh Manocha

Recent advances in motion planning for autonomous driving have led to models capable of generating high-quality trajectories. However, most existing planners tend to fix their policy after supervised training, leading to consistent but…

Robotics · Computer Science 2025-08-26 Fan Ding , Xuewen Luo , Hwa Hui Tew , Ruturaj Reddy , Xikun Wang , Junn Yong Loo

Trajectory Optimization (TO) solvers exploit known system dynamics to compute locally optimal trajectories through iterative improvements. A downside is that each new problem instance is solved independently; therefore, convergence speed…

Machine Learning · Computer Science 2026-05-29 Théotime Le Hellard , Franki Nguimatsia Tiofack , Quentin Le Lidec , Justin Carpentier

We propose to meta-learn an a self-supervised patient trajectory forecast learning rule by meta-training on a meta-objective that directly optimizes the utility of the patient representation over the subsequent clinical outcome prediction.…

Machine Learning · Computer Science 2024-07-30 Yuan Xue , Nan Du , Anne Mottram , Martin Seneviratne , Andrew M. Dai

It is crucial to ask how agents can achieve goals by generating action plans using only partial models of the world acquired through habituated sensory-motor experiences. Although many existing robotics studies use a forward model…

Robotics · Computer Science 2020-06-01 Takazumi Matsumoto , Jun Tani