中文
相关论文

相关论文: Study of improving nano-contouring performance by …

200 篇论文

Neural networks have been increasingly employed in Model Predictive Controller (MPC) to control nonlinear dynamic systems. However, MPC still poses a problem that an achievable update rate is insufficient to cope with model uncertainty and…

机器人学 · 计算机科学 2022-07-15 Taekyung Kim , Hojin Lee , Seongil Hong , Wonsuk Lee

This paper presents a model-based, adaptive, nonlinear controller for the bicopter stabilization and trajectory-tracking problem. The nonlinear controller is designed using the backstepping technique. Due to the non-invertibility of the…

最优化与控制 · 数学 2024-02-07 Jhon Manuel Portella Delgado , Mohammad Mirtaba , Ankit Goel

Motion planning for autonomous robots in dynamic environments poses numerous challenges due to uncertainties in the robot's dynamics and interaction with other agents. Sampling-based MPC approaches, such as Model Predictive Path Integral…

机器人学 · 计算机科学 2024-05-07 Elia Trevisan , Javier Alonso-Mora

We present a model predictive controller (MPC) for multi-contact locomotion where predictive optimizations are realized by time-optimal path parameterization (TOPP). A key feature of this solution is that, contrary to existing planners…

机器人学 · 计算机科学 2017-10-12 Stéphane Caron , Quang-Cuong Pham

Adaptive tracking-by-detection approaches are popular for tracking arbitrary objects. They treat the tracking problem as a classification task and use online learning techniques to update the object model. However, these approaches are…

计算机视觉与模式识别 · 计算机科学 2017-04-04 Kourosh Meshgi , Maryam Sadat Mirzaei , Shigeyuki Oba , Shin Ishii

This paper presents a novel approach to improve the Model Predictive Path Integral (MPPI) control by using a transformer to initialize the mean control sequence. Traditional MPPI methods often struggle with sample efficiency and…

机器人学 · 计算机科学 2024-12-24 Shrenik Zinage , Vrushabh Zinage , Efstathios Bakolas

This paper introduces the Bidirectional Clustered MPPI (BiC-MPPI) algorithm, a novel trajectory optimization method aimed at enhancing goal-directed guidance within the Model Predictive Path Integral (MPPI) framework. BiC-MPPI incorporates…

机器人学 · 计算机科学 2024-10-10 Minchan Jung , Kwangki Kim

We propose a hybrid model predictive control algorithm, consensus complementarity control (C3), for systems that make and break contact with their environment. Many state-of-the-art controllers for tasks which require initiating contact…

机器人学 · 计算机科学 2024-07-29 Alp Aydinoglu , Adam Wei , Wei-Cheng Huang , Michael Posa

This paper investigates narrowband coordinated user scheduling in multi-cell massive multiple-input multiple-output (MIMO) systems. We formulate the problem under a spectral-efficiency maximization criterion, revealing inherent challenges…

信号处理 · 电气工程与系统科学 2026-03-24 Jiayang Wan , Hongwei Hou , Jiawei Zhuang , Wenjin Wang , Shi Jin

In this paper, synchronization of fractional order Coullet system with precise and also unknown parameters are studied. The proposed method which is based on the adaptive backstepping, has been developed to synchronize two chaotic systems…

混沌动力学 · 物理学 2012-06-12 T. M. Shahiri , A. Ranjbar , R. Ghaderi , M. Karami , S. H. Hosseinnia

We present a novel sparsity-based space-time adaptive processing (STAP) technique based on the alternating direction method to overcome the severe performance degradation caused by array gain/phase (GP) errors. The proposed algorithm…

数据结构与算法 · 计算机科学 2017-06-27 Zhaocheng Yang , Rodrigo C. de Lamare , Weijian Liu

To obtain precise motion control of wafer stages, an adaptive neural network and fractional-order super-twisting control strategy is proposed. Based on sliding mode control (SMC), the proposed controller aims to address two challenges in…

系统与控制 · 电气工程与系统科学 2021-02-02 Zhian Kuang , Liting Sun , Huijun Gao , Masayoshi Tomizuka

We present the design of a safe Adaptive Cruise Control (ACC) which uses road grade and lead vehicle motion preview. The ACC controller is designed by using a Model Predictive Control (MPC) framework to optimize comfort, safety,…

系统与控制 · 计算机科学 2018-10-23 Roya Firoozi , Shima Nazari , Jacopo Guanetti , Ryan O'Gorman , Francesco Borrelli

An optimization-based method for improving the productivity of precision machine tools is proposed, where the reference path is computed in local coordinates, and information about the machine tool performance is learned from experimental…

系统与控制 · 电气工程与系统科学 2021-01-11 Samuel Balula , Alex Liniger , Alisa Rupenyan , John Lygeros

This paper is primarily studying the behaver of the twin-accumulator suspension over the conventional passive system focusing on ride quality behavior and road holding. Therefore, a dynamic modeling of passive and twin-accumulator…

系统与控制 · 计算机科学 2017-06-08 Mohamed A. Hassan , Ali M. Abd-El-Tawwab , k. A. Abd El-gwwad , M. M. M. Salem

We present a holistically designed three layer control architecture capable of outperforming a professional driver racing the same car. Our approach focuses on the co-design of the motion planning and control layers, extracting the full…

机器人学 · 计算机科学 2021-08-23 Sirish Srinivasan , Sebastian Nicolas Giles , Alexander Liniger

This paper addresses the design of transmit precoder and receive combiner matrices to support $N_{\rm s}$ independent data streams over a time-division duplex (TDD) point-to-point massive multiple-input multiple-output (MIMO) channel with…

信息论 · 计算机科学 2024-06-10 Tao Jiang , Wei Yu

Online Feedback Optimization (OFO) controllers steer a system to its optimal operating point by treating optimization algorithms as auxiliary dynamic systems. Implementation of OFO controllers requires setting the parameters of the…

系统与控制 · 电气工程与系统科学 2024-03-12 Marta Zagorowska , Lukas Ortmann , Alisa Rupenyan , Mehmet Mercangoez , Lars Imsland

To reduce the contour error of the end-effector of a robotic manipulator during trajectory tracking, a dual-mode synchronization predictive control is proposed. Firstly, the dynamic model of n-DoF robotic manipulator is discretized by using…

机器人学 · 计算机科学 2021-10-28 Zhu Dachang , Cui Aodong , Du Baolin , Zhu Puchen

We propose a data-driven optimization-based pre-compensation method to improve the contour tracking performance of precision motion stages by modifying the reference trajectory and without modifying any built-in low-level controllers. The…

系统与控制 · 电气工程与系统科学 2022-09-07 Samuel Balula , Dominic Liao-McPherson , Alisa Rupenyan , John Lygeros