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Daniel Layeghi

dblp:302/4264 · DBLP profile ↗
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1ranked-venue papers
1as first author
1since 2021 · last 2022
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Artificial intelligence and machine learning · 1 · 1 first-author · 1 since 2021Systems, architecture and hardware · 1 · 1 first-author · 1 since 2021

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Artificial intelligence
1 paper
Motion planning and robot control · 87% Robot manipulation · 13%

Topics — the 3 heaviest of 3, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Robotics › Motion planning and robot control › robot control
optimal control
0.612022
Optimal Control via Combined Inference and Numerical Optimization · ICRA 2022
Robotics › Motion planning and robot control
robot control
0.612022
Optimal Control via Combined Inference and Numerical Optimization · ICRA 2022
Robotics › Robot manipulation
manipulation
0.212022
Optimal Control via Combined Inference and Numerical Optimization · ICRA 2022

Methods — techniques the papers use, named apart from their topics

second-order optimization · 0.6model predictive path integral · 0.6KL-control · 0.6
YearPublicationVenuePosition
2022 Optimal Control via Combined Inference and Numerical Optimization
abstract
Derivative based optimization methods are efficient at solving optimal control problems near local optima. However, their ability to converge halts when derivative information vanishes. The inference approach to optimal control does not have strict requirements on the objective landscape. However, sampling, the primary tool for solving such problems, tends to be much slower in computation time. We propose a new method that combines second order methods with inference. We utilise the Kullback Leibler (KL) control framework to formulate an inference problem that computes the optimal controls from an adaptive distribution approximating the solution of the second order method. Our method allows for combining simple convex and non convex cost functions. This simplifies the process of cost function design and leverages the strengths of both inference and second order optimization. We compare our method to Model Predictive Path Integral (MPPI) and iterative Linear Quadratic Gaussian controller (iLQG), outperforming both in sample efficiency and quality on manipulation and obstacle avoidance tasks.
Daniel Layeghi, Steve Tonneau, Michael N. Mistry
ICRA1