Search Results for author: Monimoy Bujarbaruah

Found 13 papers, 7 papers with code

Output Feedback Stochastic MPC with Hard Input Constraints

no code implementations21 Feb 2023 Eunhyek Joa, Monimoy Bujarbaruah, Francesco Borrelli

We present an output feedback stochastic model predictive controller (SMPC) for constrained linear time-invariant systems.

Stochastic MPC with Realization-Adaptive Constraint Tightening

no code implementations21 Sep 2022 Hotae Lee, Monimoy Bujarbaruah, Francesco Borrelli

A sample-based strategy is used to compute sets of disturbance sequences necessary for robustifying the state chance constraints.

A Simple Robust MPC for Linear Systems with Parametric and Additive Uncertainty

1 code implementation23 Mar 2021 Monimoy Bujarbaruah, Ugo Rosolia, Yvonne R. Stürz, Francesco Borrelli

We propose a simple and computationally efficient approach for designing a robust Model Predictive Controller (MPC) for constrained uncertain linear systems.

Learning How to Solve Bubble Ball

no code implementations20 Nov 2020 Hotae Lee, Monimoy Bujarbaruah, Francesco Borrelli

"Bubble Ball" is a game built on a 2D physics engine, where a finite set of objects can modify the motion of a bubble-like ball.

Friction

Learning to Play Cup-and-Ball with Noisy Camera Observations

1 code implementation19 Jul 2020 Monimoy Bujarbaruah, Tony Zheng, Akhil Shetty, Martin Sehr, Francesco Borrelli

In this paper, we present a learning model based control strategy for the cup-and-ball game, where a Universal Robots UR5e manipulator arm learns to catch a ball in one of the cups on a Kendama.

Robust MPC for Linear Systems with Parametric and Additive Uncertainty: A Novel Constraint Tightening Approach

2 code implementations2 Jul 2020 Monimoy Bujarbaruah, Ugo Rosolia, Yvonne R Stürz, Xiaojing Zhang, Francesco Borrelli

We propose a novel approach to design a robust Model Predictive Controller (MPC) for constrained uncertain linear systems.

Learning to Satisfy Unknown Constraints in Iterative MPC

1 code implementation9 Jun 2020 Monimoy Bujarbaruah, Charlott Vallon, Francesco Borrelli

We propose a control design method for linear time-invariant systems that iteratively learns to satisfy unknown polyhedral state constraints.

Exploiting Model Sparsity in Adaptive MPC: A Compressed Sensing Viewpoint

no code implementations L4DC 2020 Monimoy Bujarbaruah, Charlott Vallon

This paper proposes an Adaptive Stochastic Model Predictive Control (MPC) strategy for stable linear time-invariant systems in the presence of bounded disturbances.

Denoising Model Predictive Control

Learning Robustness with Bounded Failure: An Iterative MPC Approach

1 code implementation22 Nov 2019 Monimoy Bujarbaruah, Akhil Shetty, Kameshwar Poolla, Francesco Borrelli

We propose an approach to design a Model Predictive Controller (MPC) for constrained Linear Time Invariant systems performing an iterative task.

Relaxed Actor-Critic with Convergence Guarantees for Continuous-Time Optimal Control of Nonlinear Systems

no code implementations11 Sep 2019 Jingliang Duan, Jie Li, Qiang Ge, Shengbo Eben Li, Monimoy Bujarbaruah, Fei Ma, Dezhao Zhang

The warm-up phase minimizes the square of the Hamiltonian to achieve admissibility, while the generalized policy iteration phase relaxes the update termination conditions for faster convergence.

Safe and Near-Optimal Policy Learning for Model Predictive Control using Primal-Dual Neural Networks

1 code implementation19 Jun 2019 Xiaojing Zhang, Monimoy Bujarbaruah, Francesco Borrelli

In contrast to most existing approaches, we not only learn the control policy, but also a "certificate policy", that allows us to estimate the sub-optimality of the learned control policy online, during execution-time.

Model Predictive Control

Adaptive Trajectory Planning and Optimization at Limits of Handling

1 code implementation11 Mar 2019 Lars Svensson, Monimoy Bujarbaruah, Nitin Kapania, Martin Törngren

In this paper, we tackle the problem of trajectory planning and control of a vehicle under locally varying traction limitations, in the presence of suddenly appearing obstacles.

Robotics

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