Search Results for author: Shengling Shi

Found 10 papers, 0 papers with code

Data-informativity conditions for structured linear systems with implications for dynamic networks

no code implementations5 Sep 2024 Paul M. J. Van den Hof, Shengling Shi, Stefanie J. M. Fonken, Karthik R. Ramaswamy, Håkan Hjalmarsson, Arne G. Dankers

When estimating a single module in a linear dynamic network, the data-informativity conditions can generically be formulated as path-based conditions on the graph of the network.

State-action control barrier functions: Imposing safety on learning-based control with low online computational costs

no code implementations18 Dec 2023 Kanghui He, Shengling Shi, Ton van den Boom, Bart De Schutter

Learning-based control with safety guarantees usually requires real-time safety certification and modifications of possibly unsafe learning-based policies.

valid

Regret Analysis of Learning-Based Linear Quadratic Gaussian Control with Additive Exploration

no code implementations5 Nov 2023 Archith Athrey, Othmane Mazhar, Meichen Guo, Bart De Schutter, Shengling Shi

In this paper, we analyze the regret incurred by a computationally efficient exploration strategy, known as naive exploration, for controlling unknown partially observable systems within the Linear Quadratic Gaussian (LQG) framework.

Efficient Exploration

A Behavioral Perspective on Models of Linear Dynamical Networks with Manifest Variables

no code implementations24 Oct 2023 Shengling Shi, Zhiyong Sun, Bart De Schutter

This work makes an initial step towards addressing the above issues by taking a behavioral perspective, where input and output channels are not pre-determined.

Approximate Dynamic Programming for Constrained Piecewise Affine Systems with Stability and Safety Guarantees

no code implementations27 Jun 2023 Kanghui He, Shengling Shi, Ton van den Boom, Bart De Schutter

Infinite-horizon optimal control of constrained piecewise affine (PWA) systems has been approximately addressed by hybrid model predictive control (MPC), which, however, has computational limitations, both in offline design and online implementation.

Computational Efficiency Model Predictive Control

Suboptimality analysis of receding horizon quadratic control with unknown linear systems and its applications in learning-based control

no code implementations19 Jan 2023 Shengling Shi, Anastasios Tsiamis, Bart De Schutter

In this work, we aim to analyze how the trade-off between the modeling error, the terminal value function error, and the prediction horizon affects the performance of a nominal receding-horizon linear quadratic (LQ) controller.

Approximate Dynamic Programming for Constrained Linear Systems: A Piecewise Quadratic Approximation Approach

no code implementations20 May 2022 Kanghui He, Shengling Shi, Ton van den Boom, Bart De Schutter

A novel convex and piecewise quadratic neural network with a local-global architecture is proposed to provide an accurate approximation of the value function, which is used as the cost-to-go function in the online dynamic programming problem.

Model Predictive Control

Finite-sample analysis of identification of switched linear systems with arbitrary or restricted switching

no code implementations18 Mar 2022 Shengling Shi, Othmane Mazhar, Bart De Schutter

To capture the effect of the parameters of the switching strategies on the LS estimation error, finite-sample error bounds are developed in this work.

Single module identifiability in linear dynamic networks with partial excitation and measurement

no code implementations21 Dec 2020 Shengling Shi, Xiaodong Cheng, Paul M. J. Van den Hof

Depending on whether the input or the output of the module can be measured, we present four identifiability conditions which cover all possible situations in single module identification.

Generic identifiability of subnetworks in a linear dynamic network: the full measurement case

no code implementations4 Aug 2020 Shengling Shi, Xiaodong Cheng, Paul M. J. Van den Hof

Conditions for generic identifiability of multiple modules, i. e. a subnetwork, are developed for the situation that all node signals are measured and excitation of the network is provided by both measured excitation signals and unmeasured disturbance inputs.

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