Models and methodology for optimal trajectory generation in safety-critical road–vehicle manoeuvres

K Berntorp, B Olofsson, K Lundahl… - Vehicle System …, 2014 - Taylor & Francis
There is currently a strongly growing interest in obtaining optimal control solutions for
vehicle manoeuvres, both in order to understand optimal vehicle behaviour and, perhaps …

Embedded optimization algorithms for steering in autonomous vehicles based on nonlinear model predictive control

R Quirynen, K Berntorp… - 2018 Annual American …, 2018 - ieeexplore.ieee.org
Steering control for autonomous vehicles on slippery road conditions, such as on snow or
ice, results in a highly nonlinear and therefore challenging online control problem, for which …

Trajectory tracking for autonomous vehicles on varying road surfaces by friction-adaptive nonlinear model predictive control

K Berntorp, R Quirynen, T Uno… - Vehicle System …, 2020 - Taylor & Francis
We propose an adaptive nonlinear model predictive control (NMPC) for vehicle tracking
control. The controller learns in real time a tyre force model to adapt to a varying road …

PRESAS: Block‐structured preconditioning of iterative solvers within a primal active‐set method for fast model predictive control

R Quirynen, S Di Cairano - Optimal Control Applications and …, 2020 - Wiley Online Library
Model predictive control (MPC) for linear dynamical systems requires solving an optimal
control structured quadratic program (QP) at each sampling instant. This article proposes a …

Joint wheel-slip and vehicle-motion estimation based on inertial, GPS, and wheel-speed sensors

K Berntorp - IEEE Transactions on Control Systems …, 2015 - ieeexplore.ieee.org
Joint wheel-slip and vehicle-motion estimation is considered, based on measurements from
wheel encoders, an inertial measurement unit, and a global positioning system (GPS). The …

Friction-adaptive stochastic predictive control for trajectory tracking of autonomous vehicles

S Vaskov, R Quirynen, M Menner… - 2022 American Control …, 2022 - ieeexplore.ieee.org
This paper addresses the trajectory-tracking problem under uncertain road-surface
conditions for autonomous vehicles. We develop a stochastic nonlinear model-predictive …

Friction-Adaptive Stochastic Nonlinear Model Predictive Control for Autonomous Vehicles

S Vaskov, R Quirynen, M Menner… - arXiv preprint arXiv …, 2023 - arxiv.org
This paper addresses the trajectory-tracking problem under uncertain road-surface
conditions for autonomous vehicles. We propose a stochastic nonlinear model predictive …

Steering of autonomous vehicles based on friction-adaptive nonlinear model-predictive control

K Berntorp, R Quirynen… - 2019 American Control …, 2019 - ieeexplore.ieee.org
The vehicle steering-control behavior is highly dependent on the road surface. However, the
road surface conditions are typically unknown a priori, and control actions that are safe to …

Joint decision making and motion planning for road vehicles using particle filtering

K Berntorp, S Di Cairano - IFAC-PapersOnLine, 2016 - Elsevier
This paper describes a probabilistic framework for real-time, joint decision making and
trajectory generation of road vehicles. The selection of desired lane and state profile is …

Hierarchical predictive control for ground-vehicle maneuvering

K Berntorp, F Magnusson - 2015 American Control Conference …, 2015 - ieeexplore.ieee.org
This paper presents a hierarchical approach to feedback-based trajectory generation for
improved vehicle autonomy. Hierarchical vehicle-control structures have been used before …