Search Results for author: Hunmin Kim

Found 9 papers, 1 papers with code

Backup Plan Constrained Model Predictive Control with Guaranteed Stability

no code implementations9 Jun 2023 Ran Tao, Hunmin Kim, Hyung-Jin Yoon, Wenbin Wan, Naira Hovakimyan, Lui Sha, Petros Voulgaris

To include this new safety concept in control problems, we formulate a feasibility maximization problem aiming to maximize the feasibility of the primary and alternative missions.

Autonomous Vehicles Computational Efficiency +1

Certified Robust Control under Adversarial Perturbations

no code implementations4 Feb 2023 Jinghan Yang, Hunmin Kim, Wenbin Wan, Naira Hovakimyan, Yevgeniy Vorobeychik

Autonomous systems increasingly rely on machine learning techniques to transform high-dimensional raw inputs into predictions that are then used for decision-making and control.

Decision Making

Synergistic Redundancy: Towards Verifiable Safety for Autonomous Vehicles

no code implementations4 Sep 2022 Ayoosh Bansal, Simon Yu, Hunmin Kim, Bo Li, Naira Hovakimyan, Marco Caccamo, Lui Sha

The synergistic safety layer uses only verifiable and logically analyzable software to fulfill its tasks.

Autonomous Driving

Verifiable Obstacle Detection

1 code implementation30 Aug 2022 Ayoosh Bansal, Hunmin Kim, Simon Yu, Bo Li, Naira Hovakimyan, Marco Caccamo, Lui Sha

Perception of obstacles remains a critical safety concern for autonomous vehicles.

Autonomous Driving

Path Integral Methods with Stochastic Control Barrier Functions

no code implementations23 Jun 2022 Chuyuan Tao, Hyung-Jin Yoon, Hunmin Kim, Naira Hovakimyan, Petros Voulgaris

In this paper, we utilize Stochastic Control Barrier Functions (SCBFs) constraints to limit sample regions in the sample-based algorithm, ensuring safety in a probabilistic sense and improving sample efficiency with a stochastic differential equation.

Protective Mission against a Highly Maneuverable Rogue Drone Using Defense Margin Strategy

no code implementations29 Mar 2022 Minjun Sung, Christophe Johannes Hiltebrandt-McIntosh, Hunmin Kim, Naira Hovakimyan

We introduce a new concept of defense margin to complement an existing strategy and construct a control strategy that successfully solves our problem.

Control Barrier Function Augmentation in Sampling-based Control Algorithm for Sample Efficiency

no code implementations12 Nov 2021 Chuyuan Tao, Hunmin Kim, HyungJin Yoon, Naira Hovakimyan, Petros Voulgaris

For a nonlinear stochastic path planning problem, sampling-based algorithms generate thousands of random sample trajectories to find the optimal path while guaranteeing safety by Lagrangian penalty methods.

Constrained Attack-Resilient Estimation of Stochastic Cyber-Physical Systems

no code implementations25 Sep 2021 Wenbin Wan, Hunmin Kim, Naira Hovakimyan, Petros Voulgaris

In this paper, a constrained attack-resilient estimation algorithm (CARE) is developed for stochastic cyber-physical systems.

Backup Plan Constrained Model Predictive Control

no code implementations27 Mar 2021 Hunmin Kim, HyungJin Yoon, Wenbin Wan, Naira Hovakimyan, Lui Sha, Petros Voulgaris

To incorporate this new safety concept in control problems, we formulate a feasibility maximization problem that adopts additional (virtual) input horizons toward the alternative missions on top of the input horizon toward the primary mission.

Computational Efficiency Model Predictive Control

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