Search Results for author: Draguna Vrabie

Found 18 papers, 5 papers with code

Neural Differential Algebraic Equations

no code implementations19 Mar 2024 James Koch, Madelyn Shapiro, Himanshu Sharma, Draguna Vrabie, Jan Drgona

In this work, we show that the proposed NDAEs abstraction is suitable for relevant system-theoretic data-driven modeling tasks.

Domain-aware Control-oriented Neural Models for Autonomous Underwater Vehicles

no code implementations15 Aug 2022 Wenceslao Shaw Cortez, Soumya Vasisht, Aaron Tuor, Ján Drgoňa, Draguna Vrabie

Conventional physics-based modeling is a time-consuming bottleneck in control design for complex nonlinear systems like autonomous underwater vehicles (AUVs).

Differentiable Predictive Control with Safety Guarantees: A Control Barrier Function Approach

1 code implementation3 Aug 2022 Wenceslao Shaw Cortez, Jan Drgona, Aaron Tuor, Mahantesh Halappanavar, Draguna Vrabie

We develop a novel form of differentiable predictive control (DPC) with safety and robustness guarantees based on control barrier functions.

Model Predictive Control

Structural Inference of Networked Dynamical Systems with Universal Differential Equations

no code implementations11 Jul 2022 James Koch, Zhao Chen, Aaron Tuor, Jan Drgona, Draguna Vrabie

Networked dynamical systems are common throughout science in engineering; e. g., biological networks, reaction networks, power systems, and the like.

Neural Lyapunov Differentiable Predictive Control

no code implementations22 May 2022 Sayak Mukherjee, Ján Drgoňa, Aaron Tuor, Mahantesh Halappanavar, Draguna Vrabie

We present a learning-based predictive control methodology using the differentiable programming framework with probabilistic Lyapunov-based stability guarantees.

Model Predictive Control

Data-driven Stabilization of Discrete-time Control-affine Nonlinear Systems: A Koopman Operator Approach

no code implementations26 Mar 2022 Subhrajit Sinha, Sai Pushpak Nandanoori, Jan Drgona, Draguna Vrabie

In recent years data-driven analysis of dynamical systems has attracted a lot of attention and transfer operator techniques, namely, Perron-Frobenius and Koopman operators are being used almost ubiquitously.

Time Series Time Series Analysis

Koopman-based Differentiable Predictive Control for the Dynamics-Aware Economic Dispatch Problem

1 code implementation16 Mar 2022 Ethan King, Jan Drgona, Aaron Tuor, Shrirang Abhyankar, Craig Bakker, Arnab Bhattacharya, Draguna Vrabie

The dynamics-aware economic dispatch (DED) problem embeds low-level generator dynamics and operational constraints to enable near real-time scheduling of generation units in a power network.

Scheduling

Learning Stochastic Parametric Differentiable Predictive Control Policies

1 code implementation2 Mar 2022 Ján Drgoňa, Sayak Mukherjee, Aaron Tuor, Mahantesh Halappanavar, Draguna Vrabie

The problem of synthesizing stochastic explicit model predictive control policies is known to be quickly intractable even for systems of modest complexity when using classical control-theoretic methods.

Computational Efficiency Model Predictive Control

Deep Learning Explicit Differentiable Predictive Control Laws for Buildings

no code implementations25 Jul 2021 Jan Drgona, Aaron Tuor, Soumya Vasisht, Elliott Skomski, Draguna Vrabie

We present a differentiable predictive control (DPC) methodology for learning constrained control laws for unknown nonlinear systems.

Model Predictive Control

Sparse Control Synthesis for Uncertain Responsive Loads with Stochastic Stability Guarantees

no code implementations27 Jun 2021 Sai Pushpak Nandanoori, Soumya Kundu, Jianming Lian, Umesh Vaidya, Draguna Vrabie, Karanjit Kalsi

Detailed numerical studies are carried out on IEEE 39-bus system to demonstrate the closed-loop stochastic stabilizing performance of the sparse controllers in enhancing frequency response under load uncertainties; as well as illustrate the fundamental trade-off between the allowable uncertainties and optimal control efforts.

Occupancy-Driven Stochastic Decision Framework for Ranking Commercial Building Loads

no code implementations21 Mar 2021 Milan Jain, Soumya Kundu, Arnab Bhattacharya, Sen Huang, Vikas Chandan, Nikitha Radhakrishnan, Veronica Adetola, Draguna Vrabie

For effective integration of building operations into the evolving demand response programs of the power grid, real-time decisions concerning the use of building appliances for grid services must excel on multiple criteria, ranging from the added value to occupants' comfort to the quality of the grid services.

Constrained Block Nonlinear Neural Dynamical Models

no code implementations6 Jan 2021 Elliott Skomski, Soumya Vasisht, Colby Wight, Aaron Tuor, Jan Drgona, Draguna Vrabie

Neural network modules conditioned by known priors can be effectively trained and combined to represent systems with nonlinear dynamics.

Dissipative Deep Neural Dynamical Systems

no code implementations26 Nov 2020 Jan Drgona, Soumya Vasisht, Aaron Tuor, Draguna Vrabie

In this paper, we provide sufficient conditions for dissipativity and local asymptotic stability of discrete-time dynamical systems parametrized by deep neural networks.

Learning Constrained Adaptive Differentiable Predictive Control Policies With Guarantees

2 code implementations23 Apr 2020 Jan Drgona, Aaron Tuor, Draguna Vrabie

We present differentiable predictive control (DPC), a method for learning constrained neural control policies for linear systems with probabilistic performance guarantees.

Continuous Control Imitation Learning +1

Constrained Neural Ordinary Differential Equations with Stability Guarantees

1 code implementation ICLR Workshop DeepDiffEq 2019 Aaron Tuor, Jan Drgona, Draguna Vrabie

Differential equations are frequently used in engineering domains, such as modeling and control of industrial systems, where safety and performance guarantees are of paramount importance.

Generative Adversarial Network based Autoencoder: Application to fault detection problem for closed loop dynamical systems

no code implementations15 Apr 2018 Indrasis Chakraborty, Rudrasis Chakraborty, Draguna Vrabie

Traditional classifier based method does not perform well, because of the inherent difficulty of detecting system level faults for closed loop dynamical system.

Fault Detection Generative Adversarial Network

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