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An evolution strategy (ES) variant based on a simplification of a natural evolution strategy recently attracted attention because it performs surprisingly well in challenging deep reinforcement learning domains. It searches for neural…

神经与进化计算 · 计算机科学 2018-05-03 Joel Lehman , Jay Chen , Jeff Clune , Kenneth O. Stanley

Many applications in machine learning require optimizing a function whose true gradient is unknown, but where surrogate gradient information (directions that may be correlated with, but not necessarily identical to, the true gradient) is…

神经与进化计算 · 计算机科学 2019-06-12 Niru Maheswaranathan , Luke Metz , George Tucker , Dami Choi , Jascha Sohl-Dickstein

The deployment flexibility and maneuverability of Unmanned Aerial Vehicles (UAVs) increased their adoption in various applications, such as wildfire tracking, border monitoring, etc. In many critical applications, UAVs capture images and…

分布式、并行与集群计算 · 计算机科学 2022-12-22 Marwan Dhuheir , Emna Baccour , Aiman Erbad , Sinan Sabeeh Al-Obaidi , Mounir Hamdi

This study proposes a framework for human-like autonomous car-following planning based on deep reinforcement learning (deep RL). Historical driving data are fed into a simulation environment where an RL agent learns from trial and error…

机器学习 · 计算机科学 2019-01-04 Meixin Zhu , Xuesong Wang , Yinhai Wang

A prototype tool to assist architects during the early design stage of floor plans has been developed, consisting of an Evolutionary Program for the Space Allocation Problem (EPSAP), which generates sets of floor plan alternatives according…

计算工程、金融与科学 · 计算机科学 2013-08-06 Eugénio Rodrigues , Adélio Rodrigues Gaspar , Álvaro Gomes

We present FlightDiffusion, a diffusion-model-based framework for training autonomous drones from first-person view (FPV) video. Our model generates realistic video sequences from a single frame, enriched with corresponding action spaces to…

Navigation precision, speed and stability are crucial for safe Unmanned Aerial Vehicle (UAV) flight maneuvers and effective flight mission executions in dynamic environments. Different flight missions may have varying objectives, such as…

机器人学 · 计算机科学 2025-01-22 Junyang Zhang , Cristian Emanuel Ocampo Rivera , Kyle Tyni , Steven Nguyen

Increasing the response time of emergency vehicles(EVs) could lead to an immeasurable loss of property and life. On this account, tactical decision making for EVs' microscopic control remains an indispensable issue to be improved. In this…

人工智能 · 计算机科学 2021-02-01 Haoyi Niu , Jianming Hu , Zheyu Cui , Yi Zhang

Solving the Goal-Conditioned Reward Sparse (GCRS) task is a challenging reinforcement learning problem due to the sparsity of reward signals. In this work, we propose a new formulation of GCRS tasks from the perspective of the drifted…

机器学习 · 计算机科学 2020-05-01 Hao Sun , Xinyu Pan , Bo Dai , Dahua Lin , Bolei Zhou

Future Mars missions will require advanced guidance, navigation, and control algorithms for the powered descent phase to target specific surface locations and achieve pinpoint accuracy (landing error ellipse $<$ 5 m radius). The latter…

系统与控制 · 计算机科学 2018-10-23 Brian Gaudet , Richard Linares , Roberto Furfaro

The upgrading and updating of vehicles have accelerated in the past decades. Out of the need for environmental friendliness and intelligence, electric vehicles (EVs) and connected and automated vehicles (CAVs) have become new components of…

系统与控制 · 电气工程与系统科学 2023-02-07 Xia Jiang , Jian Zhang , Xiaoyu Shi , Jian Cheng

Deep Reinforcement Learning (DRL) algorithms have been successfully applied to a range of challenging control tasks. However, these methods typically suffer from three core difficulties: temporal credit assignment with sparse rewards, lack…

机器学习 · 计算机科学 2018-10-30 Shauharda Khadka , Kagan Tumer

Safe navigation of drones in the presence of adversarial physical attacks from multiple pursuers is a challenging task. This paper proposes a novel approach, asynchronous multi-stage deep reinforcement learning (AMS-DRL), to train…

机器人学 · 计算机科学 2024-02-22 Jiaping Xiao , Mir Feroskhan

Given the evolving application scenarios of current fixed-wing unmanned aerial vehicles (UAVs), it is necessary for UAVs to possess agile and rapid 3-dimensional flight capabilities. Typically, the trajectory of a tail-sitter is generated…

机器人学 · 计算机科学 2025-01-22 Mingyue Fan , Fangfang Xie , Tingwei Ji , Yao Zheng

In this paper, we investigate an unmanned aerial vehicle (UAV)-assisted Internet-of-Things (IoT) system in a sophisticated three-dimensional (3D) environment, where the UAV's trajectory is optimized to efficiently collect data from multiple…

信息论 · 计算机科学 2022-01-20 Yang Wang , Zhen Gao , Jun Zhang , Xianbin Cao , Dezhi Zheng , Yue Gao , Derrick Wing Kwan Ng , Marco Di Renzo

Deep reinforcement learning (DRL) faces significant challenges in addressing the hard-exploration problems in tasks with sparse or deceptive rewards and large state spaces. These challenges severely limit the practical application of DRL.…

机器学习 · 计算机科学 2024-01-03 Guojian Wang , Faguo Wu , Xiao Zhang , Ning Guo , Zhiming Zheng

Attitude control of fixed-wing unmanned aerial vehicles (UAVs) is a difficult control problem in part due to uncertain nonlinear dynamics, actuator constraints, and coupled longitudinal and lateral motions. Current state-of-the-art…

系统与控制 · 电气工程与系统科学 2023-04-20 Eivind Bøhn , Erlend M. Coates , Dirk Reinhardt , Tor Arne Johansen

We train neural models to represent both the optimal policy (i.e. the optimal thrust direction) and the value function (i.e. the time of flight) for a time optimal, constant acceleration low-thrust rendezvous. In both cases we develop and…

地球与行星天体物理 · 物理学 2023-03-22 Dario Izzo , Sebastien Origer

In this paper, we consider the problem of controlling an underactuated system in unknown, and potentially adversarial environments. The emphasis will be on autonomous aerial vehicles, modelled by Dubins dynamics. The proposed control law is…

多智能体系统 · 计算机科学 2019-09-04 Shashwat Shivam , Aris Kanellopoulos , Kyriakos G. Vamvoudakis , Yorai Wardi

Autonomous vehicles are controlled today either based on sequences of decoupled perception-planning-action operations, either based on End2End or Deep Reinforcement Learning (DRL) systems. Current deep learning solutions for autonomous…

机器人学 · 计算机科学 2019-06-27 Sorin Grigorescu , Bogdan Trasnea , Liviu Marina , Andrei Vasilcoi , Tiberiu Cocias