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The decision logic for the ACAS X family of aircraft collision avoidance systems is represented as a large numeric table. Due to storage constraints of certified avionics hardware, neural networks have been suggested as a way to…

系统与控制 · 电气工程与系统科学 2020-05-07 Kyle D. Julian , Mykel J. Kochenderfer

We propose a novel surrogate modelling approach to efficiently and accurately approximate the response of complex dynamical systems driven by time-varying exogenous excitations over extended time periods. Our approach, namely manifold…

统计计算 · 统计学 2023-10-13 Styfen Schär , Stefano Marelli , Bruno Sudret

A dynamic model for an automatic berthing and unberthing controller has to estimate harbor maneuvers, which include berthing, unberthing, approach maneuvers to berths, and entering and leaving the port. When the dynamic model is estimated…

系统与控制 · 电气工程与系统科学 2024-11-26 Kouki Wakita , Yoshiki Miyauchi , Youhei Akimoto , Atsuo Maki

Cellular regulatory dynamics is driven by large and intricate networks of interactions at the molecular scale, whose sheer size obfuscates understanding. In light of limited experimental data, many parameters of such dynamics are unknown,…

定量方法 · 定量生物学 2014-04-30 Bryan C. Daniels , Ilya Nemenman

Over the past few years, researchers have presented many different applications for convolutional neural networks, including those for the detection and recognition of objects from images. The desire to understand our own nature has always…

计算机视觉与模式识别 · 计算机科学 2019-11-06 Gergely Csönde , Yoshihide Sekimoto , Takehiro Kashiyama

Is it possible to understand the intricacies of a dynamical system not solely from its input/output pattern, but also by observing the behavior of other systems within the same class? This central question drives the study presented in this…

系统与控制 · 电气工程与系统科学 2023-12-21 Marco Forgione , Filippo Pura , Dario Piga

Neural networks hold great potential to act as approximate models of nonlinear dynamical systems, with the resulting neural approximations enabling verification and control of such systems. However, in safety-critical contexts, the use of…

Data-driven approaches are increasingly popular for identifying dynamical systems due to improved accuracy and availability of sensor data. However, relying solely on data for identification does not guarantee that the identified systems…

系统与控制 · 电气工程与系统科学 2024-10-04 Nam T. Nguyen , Juan C. Tique

Effective inclusion of physics-based knowledge into deep neural network models of dynamical systems can greatly improve data efficiency and generalization. Such a-priori knowledge might arise from physical principles (e.g., conservation…

机器学习 · 计算机科学 2022-12-13 Franck Djeumou , Cyrus Neary , Eric Goubault , Sylvie Putot , Ufuk Topcu

This study presents a method, along with its algorithmic and computational framework implementation, and performance verification for dynamical system identification. The approach incorporates insights from phase space structures, such as…

Recent works exploring deep learning application to dynamical systems modeling have demonstrated that embedding physical priors into neural networks can yield more effective, physically-realistic, and data-efficient models. However, in the…

神经与进化计算 · 计算机科学 2020-11-30 Elliott Skomski , Jan Drgona , Aaron Tuor

Many autonomous control systems are frequently exposed to attacks, so methods for attack identification are crucial for a safe operation. To preserve the privacy of the subsystems and achieve scalability in large-scale systems,…

系统与控制 · 电气工程与系统科学 2020-10-27 Sarah Braun , Sebastian Albrecht , Sergio Lucia

Developing dynamic models for tendon-driven continuum robots is challenging due to their nonlinear, high-dimensional, and friction-dominated dynamics. This paper presents a comparative study of data-driven system identification methods,…

Some visual recognition tasks are more challenging then the general ones as they require professional categories of images. The previous efforts, like fine-grained vision classification, primarily introduced models tailored to specific…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Junde Wu , Jiayuan Zhu , Min Xu , Yueming Jin

In this paper we propose a novel approach to identify dynamical systems. The method estimates the model structure and the parameters of the model simultaneously, automating the critical decisions involved in identification such as model…

系统与控制 · 计算机科学 2020-01-16 Dhruv Khandelwal , Maarten Schoukens , Roland Tóth

Modeling of conservative systems with neural networks is an area of active research. A popular approach is to use Hamiltonian neural networks (HNNs) which rely on the assumptions that a conservative system is described with Hamilton's…

人工智能 · 计算机科学 2024-07-18 Katsiaryna Haitsiukevich , Alexander Ilin

The autonomous operation of flexible-wing aircraft is technically challenging and has never been presented within literature. The lack of an exact modeling framework is due to the complex nonlinear aerodynamic relationships governed by the…

系统与控制 · 电气工程与系统科学 2021-03-31 Mohammed Abouheaf , Nathaniel Mailhot , Wail Gueaieb , Davide Spinello

This study designs and evaluates multiple nonlinear system identification techniques for modeling the UAV swarm system in planar space. learning methods such as RNNs, CNNs, and Neural ODE are explored and compared. The objective is to…

机器学习 · 计算机科学 2024-09-21 Saman Yazdannik , Morteza Tayefi , Mojtaba Farrokh

Natural physical, chemical, and biological dynamical systems are often complex, with heterogeneous components interacting in diverse ways. We show how simple graph neural networks can be designed to jointly learn the interaction rules and…

Artificial neural networks are being proposed as models of parts of the brain. The networks are compared to recordings of biological neurons, and good performance in reproducing neural responses is considered to support the model's…

神经元与认知 · 定量生物学 2023-09-01 Yena Han , Tomaso Poggio , Brian Cheung