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相关论文: Motor State Prediction and Friction Compensation f…

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We propose a Model-Based Reinforcement Learning (MBRL) algorithm named VF-MC-PILCO, specifically designed for application to mechanical systems where velocities cannot be directly measured. This circumstance, if not adequately considered,…

机器人学 · 计算机科学 2023-01-31 Fabio Amadio , Alberto Dalla Libera , Daniel Nikovski , Ruggero Carli , Diego Romeres

An approach for the identification of discontinuous and nonsmooth nonlinear forces, as those generated by frictional contacts, in mechanical systems that can be approximated by a single-degree-of-freedom model is presented. To handle the…

信号处理 · 电气工程与系统科学 2023-07-26 Luca Marino , Alice Cicirello

In this work, we show that a recently proposed method for experimental nonlinear modal analysis based on the extended periodic motion concept is well suited to extract modal properties for strongly nonlinear systems (i.e. in the presence of…

系统与控制 · 电气工程与系统科学 2020-11-18 Maren Scheel , Tobias Weigele , Malte Krack

The dynamic mode decomposition (DMD) is a data-driven method used for identifying the dynamics of complex nonlinear systems. It extracts important characteristics of the underlying dynamics using measured time-domain data produced either by…

数值分析 · 数学 2020-11-24 Ion Victor Gosea , Igor Pontes Duff

This study investigates the use of trajectory and dynamic state information for efficient data curation in autonomous driving machine learning tasks. We propose methods for clustering trajectory-states and sampling strategies in an active…

机器学习 · 计算机科学 2024-05-21 Ross Greer , Mohan Trivedi

This paper tackles a friction compensation problem without using a friction model. The unique feature of the proposed friction observer is that the nominal motor-side signal is fed back into the controller instead of the measured signal. By…

机器人学 · 计算机科学 2019-07-02 Min Jun Kim , Fabian Beck , Christian Ott , Alin Albu-Schaeffer

In many specific scenarios, accurate and effective system identification is a commonly encountered challenge in the model predictive control (MPC) formulation. As a consequence, the overall system performance could be significantly weakened…

多智能体系统 · 计算机科学 2023-03-21 Jun Ma , Zilong Cheng , Wenxin Wang , Abdullah Al Mamun , Clarence W. de Silva , Tong Heng Lee

In many state-of-the-art control approaches for power systems with storage units, an explicit model of the storage dynamics is required. With growing numbers of storage units, identifying these dynamics can be cumbersome. This paper employs…

系统与控制 · 电气工程与系统科学 2024-07-09 Johannes B. Lipka , Christian A. Hans

While data-driven model reduction techniques are well-established for linearizable mechanical systems, general approaches to reducing non-linearizable systems with multiple coexisting steady states have been unavailable. In this paper, we…

动力系统 · 数学 2022-07-13 Mattia Cenedese , Joar Axås , Haocheng Yang , Melih Eriten , George Haller

In this paper, we investigate a hybrid scheme that combines nonlinear model predictive control (MPC) and model-based reinforcement learning (RL) for navigation planning of an autonomous model car across offroad, unstructured terrains…

机器人学 · 计算机科学 2023-10-03 Faraz Lotfi , Khalil Virji , Farnoosh Faraji , Lucas Berry , Andrew Holliday , David Meger , Gregory Dudek

This paper proposes a new stochastic model of traffic dynamics in Lagrangian coordinates. The source of uncertainty is heterogeneity in driving behavior, captured using driver-specific speed-spacing relations, i.e., parametric uncertainty.…

系统与控制 · 计算机科学 2019-08-16 Fangfang Zheng , Saif Eddin Jabari , Henry X. Liu , DianChao Lin

Identifying the location of a disturbance and its magnitude is an important component for stable operation of power systems. We study the problem of localizing and estimating a disturbance in the interconnected power system. We take a…

机器学习 · 计算机科学 2018-06-06 Hyang-Won Lee , Jianan Zhang , Eytan Modiano

Precise modeling soft robots remains a challenge due to their infinite-dimensional nature governed by partial differential equations. This paper introduces an innovative approach for modeling soft pneumatic actuators, employing a nonlinear…

机器人学 · 计算机科学 2024-02-16 Wu-Te Yang , Hannah Stuart , Burak Kurkcu , Masayoshi Tomizuka

The theory of covariance control and covariance steering (CS) deals with controlling the dispersion of trajectories of a dynamical system, under the implicit assumption that accurate prior knowledge of the system being controlled is…

系统与控制 · 电气工程与系统科学 2024-05-21 Joshua Pilipovsky , Panagiotis Tsiotras

We analyze the statistical performance of identification of stochastic dynamical systems with non-linear measurement sensors. This includes stochastic Wiener systems, with linear dynamics, process noise and measured by a non-linear sensor…

最优化与控制 · 数学 2018-05-24 Bo Wahlberg , Lennart Ljung

This paper presents an approach to trajectory-centric learning control based on contraction metrics and disturbance estimation for nonlinear systems subject to matched uncertainties. The approach uses deep neural networks to learn uncertain…

系统与控制 · 电气工程与系统科学 2024-07-25 Pan Zhao , Ziyao Guo , Yikun Cheng , Aditya Gahlawat , Hyungsoo Kang , Naira Hovakimyan

For the application of MPC design in on-line regulation or tracking control problems, several studies have attempted to develop an accurate model, and realize adequate uncertainty description of linear or non-linear plants of the processes.…

最优化与控制 · 数学 2019-04-03 Yuanqiang Zhou , Dewei Li , Yugeng Xi , Zhongxue Gan

This paper presents a comprehensive approach to nonlinear dynamics identification for UAVs using a combination of data-driven techniques and theoretical modeling. Two key methodologies are explored: Proportional-Derivative (PD)…

系统与控制 · 电气工程与系统科学 2024-10-16 Bryan S. Guevara , Viviana Moya , Daniel C. Gandolfo , Juan M. Toibero

Data-driven modeling is useful for reconstructing nonlinear dynamical systems when the underlying process is unknown or too expensive to compute. Having reliable uncertainty assessment of the forecast enables tools to be deployed to predict…

统计方法学 · 统计学 2023-11-01 Mengyang Gu , Yizi Lin , Victor Chang Lee , Diana Qiu

Vehicle platooning has been shown to be quite fruitful in the transportation industry to enhance fuel economy, road throughput, and driving comfort. Model Predictive Control (MPC) is widely used in literature for platoon control to achieve…