Learning Collective Behaviors from Observation
- URL: http://arxiv.org/abs/2311.00875v3
- Date: Thu, 4 Apr 2024 23:30:37 GMT
- Title: Learning Collective Behaviors from Observation
- Authors: Jinchao Feng, Ming Zhong,
- Abstract summary: We present a comprehensive examination of learning methodologies employed for the structural identification of dynamical systems.
Our approach not only ensures theoretical convergence guarantees but also exhibits computational efficiency when handling high-dimensional observational data.
- Score: 13.278752237440022
- License: http://creativecommons.org/licenses/by/4.0/
- Abstract: We present a comprehensive examination of learning methodologies employed for the structural identification of dynamical systems. These techniques are designed to elucidate emergent phenomena within intricate systems of interacting agents. Our approach not only ensures theoretical convergence guarantees but also exhibits computational efficiency when handling high-dimensional observational data. The methods adeptly reconstruct both first- and second-order dynamical systems, accommodating observation and stochastic noise, intricate interaction rules, absent interaction features, and real-world observations in agent systems. The foundational aspect of our learning methodologies resides in the formulation of tailored loss functions using the variational inverse problem approach, inherently equipping our methods with dimension reduction capabilities.
Related papers
- Reinforcement Learning under Latent Dynamics: Toward Statistical and Algorithmic Modularity [51.40558987254471]
Real-world applications of reinforcement learning often involve environments where agents operate on complex, high-dimensional observations.
This paper addresses the question of reinforcement learning under $textitgeneral$ latent dynamics from a statistical and algorithmic perspective.
arXiv Detail & Related papers (2024-10-23T14:22:49Z) - A Competitive Learning Approach for Specialized Models: A Solution for
Complex Physical Systems with Distinct Functional Regimes [0.0]
We propose a novel competitive learning approach for obtaining data-driven models of physical systems.
The primary idea behind the proposed approach is to employ dynamic loss functions for a set of models that are trained concurrently on the data.
arXiv Detail & Related papers (2023-07-19T23:29:40Z) - Interactive System-wise Anomaly Detection [66.3766756452743]
Anomaly detection plays a fundamental role in various applications.
It is challenging for existing methods to handle the scenarios where the instances are systems whose characteristics are not readily observed as data.
We develop an end-to-end approach which includes an encoder-decoder module that learns system embeddings.
arXiv Detail & Related papers (2023-04-21T02:20:24Z) - Learning Interaction Variables and Kernels from Observations of
Agent-Based Systems [14.240266845551488]
We propose a learning technique that, given observations of states and velocities along trajectories of agents, yields both the variables upon which the interaction kernel depends and the interaction kernel itself.
This yields an effective dimension reduction which avoids the curse of dimensionality from the high-dimensional observation data.
We demonstrate the learning capability of our method to a variety of first-order interacting systems.
arXiv Detail & Related papers (2022-08-04T16:31:01Z) - Stabilizing Q-learning with Linear Architectures for Provably Efficient
Learning [53.17258888552998]
This work proposes an exploration variant of the basic $Q$-learning protocol with linear function approximation.
We show that the performance of the algorithm degrades very gracefully under a novel and more permissive notion of approximation error.
arXiv Detail & Related papers (2022-06-01T23:26:51Z) - Summarising and Comparing Agent Dynamics with Contrastive Spatiotemporal
Abstraction [12.858982225307809]
We introduce a data-driven, model-agnostic technique for generating a human-interpretable summary of the salient points of contrast within an evolving dynamical system.
A practical algorithm is outlined for continuous state spaces, and deployed to summarise the learning histories of deep reinforcement learning agents.
arXiv Detail & Related papers (2022-01-17T11:34:59Z) - Structure-Preserving Learning Using Gaussian Processes and Variational
Integrators [62.31425348954686]
We propose the combination of a variational integrator for the nominal dynamics of a mechanical system and learning residual dynamics with Gaussian process regression.
We extend our approach to systems with known kinematic constraints and provide formal bounds on the prediction uncertainty.
arXiv Detail & Related papers (2021-12-10T11:09:29Z) - Supervised DKRC with Images for Offline System Identification [77.34726150561087]
Modern dynamical systems are becoming increasingly non-linear and complex.
There is a need for a framework to model these systems in a compact and comprehensive representation for prediction and control.
Our approach learns these basis functions using a supervised learning approach.
arXiv Detail & Related papers (2021-09-06T04:39:06Z) - On Contrastive Representations of Stochastic Processes [53.21653429290478]
Learning representations of processes is an emerging problem in machine learning.
We show that our methods are effective for learning representations of periodic functions, 3D objects and dynamical processes.
arXiv Detail & Related papers (2021-06-18T11:00:24Z) - Data-driven discovery of interacting particle systems using Gaussian
processes [3.0938904602244346]
We study the data-driven discovery of distance-based interaction laws in second-order interacting particle systems.
We propose a learning approach that models the latent interaction kernel functions as Gaussian processes.
Numerical results on systems that exhibit different collective behaviors demonstrate efficient learning of our approach from scarce noisy trajectory data.
arXiv Detail & Related papers (2021-06-04T22:00:53Z) - Learning Theory for Inferring Interaction Kernels in Second-Order
Interacting Agent Systems [17.623937769189364]
We develop a complete learning theory which establishes strong consistency and optimal nonparametric min-max rates of convergence for the estimators.
The numerical algorithm presented to build the estimators is parallelizable, performs well on high-dimensional problems, and is demonstrated on complex dynamical systems.
arXiv Detail & Related papers (2020-10-08T02:07:53Z)
This list is automatically generated from the titles and abstracts of the papers in this site.
This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.