English
Related papers

Related papers: Coordinate-free Isoline Tracking in Unknown 2-D Sc…

200 papers

Many robotic applications, such as milling, gluing, or high precision measurements, require the exact following of a pre-defined geometric path. In this paper, we investigate the real-time feasible implementation of model predictive…

Systems and Control · Computer Science 2017-07-18 Timm Faulwasser , Tobias Weber , Juan Pablo Zometa , Rolf Findeisen

We propose the application of Koopman operator theory for the design of stabilizing feedback controller for a nonlinear control system. The proposed approach is data-driven and relies on the use of time-series data generated from the…

Optimization and Control · Mathematics 2019-01-24 Bowen Huang , Xu Ma , Umesh Vaidya

When designing path tracking controllers for car-like vehicles, two main aspects are the tracking performance and the characteristics of the actuation signal. Our work bases on an existing variable structure controller that was designed…

Systems and Control · Electrical Eng. & Systems 2023-06-16 Karin Festl , Michael Stolz , Daniel Watzenig

Artificial time delay controller was conceptualised for nonlinear systems to reduce dependency on precise system modelling unlike the conventional adaptive and robust control strategies. In this approach unknown dynamics is compensated by…

Robotics · Computer Science 2024-09-04 Swati Dantu

We study the problem of devising a closed-loop strategy to control the position of a robot that is tracking a possibly moving target. The robot is capable of obtaining noisy measurements of the target's position. The key idea in active…

Robotics · Computer Science 2016-11-09 Zhonghshun Zhang , Pratap Tokekar

A new model-free setting and the corresponding "intelligent" P and PD controllers are employed for the longitudinal and lateral motions of a vehicle. This new approach has been developed and used in order to ensure simultaneously a best…

Optimization and Control · Mathematics 2015-03-25 Lghani Menhour , Brigitte D'Andréa-Novel , Michel Fliess , Dominique Gruyer , Hugues Mounier

This published paper investigates the distributed tracking control problem for a class of Euler-Lagrange multi-agent systems when the agents can only measure the positions. In this case, the lack of the separation principle and the strong…

Systems and Control · Electrical Eng. & Systems 2019-07-02 Qingkai Yang , Hao Fang , Jie Chen , Zhong-Ping Jiang , Ming Cao

In this paper, a new control scheme, called as additive-decomposition-based tracking control, is proposed to solve the output feedback tracking problem for a class of systems with measurable nonlinearities and unknown disturbances. By the…

Adaptation and Self-Organizing Systems · Physics 2020-03-10 Quan Quan , Kai-Yuan Cai , Hai Lin

Circumnavigation control is useful in real-world applications such as entrapping a hostile target. In this paper, we consider a heterogeneous multi-robot system where robots have different physical properties, such as maximum movement…

Robotics · Computer Science 2018-05-18 Weijia Yao , Sha Luo , Huimin Lu , Junhao Xiao

This paper investigates a novel underlaid sensing pilot signal design for integrated sensing and communications (ISAC) in an OFDM-based communication system. The proposed two-dimensional (2D) pilot signal is first generated on the…

Information Theory · Computer Science 2023-07-25 Pu Yuan , Hao Liu , Junjie Tan , Dajie Jiang , Lei Yan

We present a method for determining the unknown location of a sensor placed in a known 2D environment in the presence of unknown dynamic obstacles, using only few distance measurements. We present guarantees on the quality of the…

Robotics · Computer Science 2024-08-20 Michael M. Bilevich , Shahar Guini , Dan Halperin

This paper presents a data-driven strategy to streamline the deployment of model-based controllers in legged robotic hardware platforms. Our approach leverages a model-free safe learning algorithm to automate the tuning of control gains,…

Robotics · Computer Science 2023-10-27 Daniel Widmer , Dongho Kang , Bhavya Sukhija , Jonas Hübotter , Andreas Krause , Stelian Coros

This is a complementary document to the paper presented in [1], to provide more detailed proofs for some results. The main paper addresses the problem of trajectory tracking control of autonomous rotorcraft in operation scenarios where only…

Systems and Control · Computer Science 2017-05-04 Bruno J. Guerreiro , Carlos Silvestre , Rita Cunha , David Cabecinhas

This letter presents a new intelligent control scheme for the accurate trajectory tracking of flexible link manipulators. The proposed approach is mainly based on a sliding mode controller for underactuated systems with an embedded…

Localization in a global map is critical to success in many autonomous robot missions. This is particularly challenging for multi-robot operations in unknown and adverse environments. Here, we are concerned with providing a small unmanned…

Robotics · Computer Science 2016-09-20 Gordon Christie , Garrett Warnell , Kevin Kochersberger

The safety and security of robotic systems are paramount when navigating around a hostile target. This paper addresses the problem of circumnavigating an unknown target by a unicycle robot while ensuring it maintains a desired safe distance…

Systems and Control · Electrical Eng. & Systems 2025-01-15 Anand Singh , Anoop Jain

Flexible sensors are increasingly employed in soft robotics and wearable devices to provide proprioception of freeform deformations.Although supervised learning can train shape predictors from sensor signals, prediction accuracy strongly…

Robotics · Computer Science 2026-03-12 Yingjun Tian , Guoxin Fang , Aoran Lyu , Xilong Wang , Zikang Shi , Yuhu Guo , Weiming Wang , Charlie C. L. Wang

In this paper, a MIMO simulated annealing SA based Q learning method is proposed to control a line follower robot. The conventional controller for these types of robots is the proportional P controller. Considering the unknown mechanical…

Robotics · Computer Science 2020-01-27 Sepehr Saadatmand , Sima Azizi , Mohammadamir Kavousi , Donald Wunsch

Quadcopter trajectory tracking control has been extensively investigated and implemented in the past. Available controls mostly use the Euler angle standards to describe the quadcopters rotational kinematics and dynamics. As a result, the…

Robotics · Computer Science 2022-12-06 Aeris El Asslouj , Hossein Rastgoftar

This paper presents a novel feedback method on the motion planning for unicycle robots in environments with static obstacles, along with an extension to the distributed planning and coordination in multi-robot systems. The method employs a…

Robotics · Computer Science 2014-10-22 Dimitra Panagou