Search Results for author: Erik Frisk

Found 15 papers, 5 papers with code

A Preprocessing and Evaluation Toolbox for Trajectory Prediction Research on the Drone Datasets

no code implementations1 May 2024 Theodor Westny, Björn Olofsson, Erik Frisk

The availability of high-quality datasets is crucial for the development of behavior prediction algorithms in autonomous vehicles.

Neural Network-Based Piecewise Survival Models

no code implementations27 Mar 2024 Olov Holmer, Erik Frisk, Mattias Krysander

In this paper, a family of neural network-based survival models is presented.

Usage-Specific Survival Modeling Based on Operational Data and Neural Networks

no code implementations27 Mar 2024 Olov Holmer, Mattias Krysander, Erik Frisk

The results also show that randomly resampling the dataset on each epoch is an effective way to reduce the size of the training data.

Observer-Based Environment Robust Control Barrier Functions for Safety-critical Control with Dynamic Obstacles

no code implementations20 Mar 2024 Ying Shuai Quan, Jian Zhou, Erik Frisk, Chung Choo Chung

This paper proposes a safety-critical controller for dynamic and uncertain environments, leveraging a robust environment control barrier function (ECBF) to enhance the robustness against the measurement and prediction uncertainties associated with moving obstacles.

Diffusion-Based Environment-Aware Trajectory Prediction

no code implementations18 Mar 2024 Theodor Westny, Björn Olofsson, Erik Frisk

The ability to predict the future trajectories of traffic participants is crucial for the safe and efficient operation of autonomous vehicles.

Autonomous Vehicles Trajectory Prediction

Structural Diagnosability Analysis of Switched and Modular Battery Packs

no code implementations27 Dec 2023 Fatemeh Hashemniya, Arvind Balachandran, Erik Frisk, Mattias Krysander

The findings indicate that the default sensor setup is insufficient for achieving complete fault isolability.

Stability-Informed Initialization of Neural Ordinary Differential Equations

1 code implementation27 Nov 2023 Theodor Westny, Arman Mohammadi, Daniel Jung, Erik Frisk

This paper addresses the training of Neural Ordinary Differential Equations (neural ODEs), and in particular explores the interplay between numerical integration techniques, stability regions, step size, and initialization techniques.

Numerical Integration

Uncertainties in Robust Planning and Control of Autonomous Tractor-Trailer Vehicles

no code implementations24 Nov 2023 Theodor Westny, Björn Olofsson, Erik Frisk

To study the effects of uncertainty in autonomous motion planning and control, an 8-DOF model of a tractor-semitrailer is implemented and analyzed.

Motion Planning

Evaluation of Differentially Constrained Motion Models for Graph-Based Trajectory Prediction

1 code implementation11 Apr 2023 Theodor Westny, Joel Oskarsson, Björn Olofsson, Erik Frisk

This research investigates the performance of various motion models in combination with numerical solvers for the prediction task.

Autonomous Driving motion prediction +1

Energy-Based Survival Models for Predictive Maintenance

no code implementations1 Feb 2023 Olov Holmer, Erik Frisk, Mattias Krysander

Due to the complex behavior of system degradation, data-driven methods are often preferred, and neural network-based methods have been shown to perform particularly very well.

MTP-GO: Graph-Based Probabilistic Multi-Agent Trajectory Prediction with Neural ODEs

1 code implementation1 Feb 2023 Theodor Westny, Joel Oskarsson, Björn Olofsson, Erik Frisk

Enabling resilient autonomous motion planning requires robust predictions of surrounding road users' future behavior.

Motion Planning Trajectory Prediction

Interaction-Aware Motion Planning for Autonomous Vehicles with Multi-Modal Obstacle Uncertainty Predictions

1 code implementation22 Dec 2022 Jian Zhou, Björn Olofsson, Erik Frisk

This paper proposes an interaction and safety-aware motion-planning method for an autonomous vehicle in uncertain multi-vehicle traffic environments.

Autonomous Vehicles Collision Avoidance +3

Time Series Fault Classification for Wave Propagation Systems with Sparse Fault Data

no code implementations30 Mar 2022 Erik Jakobsson, Erik Frisk, Mattias Krysander, Robert Pettersson

In this work Time Series Classification techniques are investigated, and especially their applicability in applications where there are significant differences between the individuals where data is collected, and the individuals where the classification is evaluated.

Classification Dynamic Time Warping +3

Resilient Branching MPC for Multi-Vehicle Traffic Scenarios Using Adversarial Disturbance Sequences

no code implementations17 Dec 2021 Victor Fors, Björn Olofsson, Erik Frisk

Simulation results from highway driving scenarios show that the proposed method in real-time negotiates traffic situations out of scope for a nominal MPC approach and performs favorably to state-of-the-art reinforcement-learning approaches without requiring prior training.

Autonomous Vehicles Model Predictive Control

Vehicle Behavior Prediction and Generalization Using Imbalanced Learning Techniques

1 code implementation22 Sep 2021 Theodor Westny, Erik Frisk, Björn Olofsson

The use of learning-based methods for vehicle behavior prediction is a promising research topic.

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