Search Results for author: Alexander Winkler

Found 12 papers, 0 papers with code

Real-Time Simulated Avatar from Head-Mounted Sensors

no code implementations11 Mar 2024 Zhengyi Luo, Jinkun Cao, Rawal Khirodkar, Alexander Winkler, Jing Huang, Kris Kitani, Weipeng Xu

We present SimXR, a method for controlling a simulated avatar from information (headset pose and cameras) obtained from AR / VR headsets.

Egocentric Pose Estimation Humanoid Control +1

RoHM: Robust Human Motion Reconstruction via Diffusion

no code implementations16 Jan 2024 Siwei Zhang, Bharat Lal Bhatnagar, Yuanlu Xu, Alexander Winkler, Petr Kadlecek, Siyu Tang, Federica Bogo

We apply RoHM to a variety of tasks -- from motion reconstruction and denoising to spatial and temporal infilling.

Denoising

Introducing a Deep Neural Network-based Model Predictive Control Framework for Rapid Controller Implementation

no code implementations12 Oct 2023 David C. Gordon, Alexander Winkler, Julian Bedei, Patrick Schaber, Jakob Andert, Charles R. Koch

Model Predictive Control (MPC) provides an optimal control solution based on a cost function while allowing for the implementation of process constraints.

Model Predictive Control

Physics-based Motion Retargeting from Sparse Inputs

no code implementations4 Jul 2023 Daniele Reda, Jungdam Won, Yuting Ye, Michiel Van de Panne, Alexander Winkler

We introduce a method to retarget motions in real-time from sparse human sensor data to characters of various morphologies.

motion retargeting

QuestEnvSim: Environment-Aware Simulated Motion Tracking from Sparse Sensors

no code implementations9 Jun 2023 Sunmin Lee, Sebastian Starke, Yuting Ye, Jungdam Won, Alexander Winkler

Most existing methods for motion tracking avoid environment interaction apart from foot-floor contact due to their complex dynamics and hard constraints.

Perpetual Humanoid Control for Real-time Simulated Avatars

no code implementations ICCV 2023 Zhengyi Luo, Jinkun Cao, Alexander Winkler, Kris Kitani, Weipeng Xu

We present a physics-based humanoid controller that achieves high-fidelity motion imitation and fault-tolerant behavior in the presence of noisy input (e. g. pose estimates from video or generated from language) and unexpected falls.

Humanoid Control

QuestSim: Human Motion Tracking from Sparse Sensors with Simulated Avatars

no code implementations20 Sep 2022 Alexander Winkler, Jungdam Won, Yuting Ye

Real-time tracking of human body motion is crucial for interactive and immersive experiences in AR/VR.

valid

Machine Learning Integrated with Model Predictive Control for Imitative Optimal Control of Compression Ignition Engines

no code implementations1 Apr 2022 Armin Norouzi, Saeid Shahpouri, David Gordon, Alexander Winkler, Eugen Nuss, Dirk Abel, Jakob Andert, Mahdi Shahbakhti, Charles Robert Koch

One solution is the use of machine learning (ML) and model predictive control (MPC) to minimize emissions and fuel consumption, without adding substantial computational cost to the engine controller.

Model Predictive Control

Deep Learning based Model Predictive Control for Compression Ignition Engines

no code implementations31 Mar 2022 Armin Norouzi, Saeid Shahpouri, David Gordon, Alexander Winkler, Eugen Nuss, Dirk Abel, Jakob Andert, Mahdi Shahbakhti, Charles Robert Koch

Machine learning (ML) and a nonlinear model predictive controller (NMPC) are used in this paper to minimize the emissions and fuel consumption of a compression ignition engine.

Model Predictive Control

Optimal and Learning Control for Autonomous Robots

no code implementations30 Aug 2017 Jonas Buchli, Farbod Farshidian, Alexander Winkler, Timothy Sandy, Markus Giftthaler

Optimal and Learning Control for Autonomous Robots has been taught in the Robotics, Systems and Controls Masters at ETH Zurich with the aim to teach optimal control and reinforcement learning for closed loop control problems from a unified point of view.

reinforcement-learning Reinforcement Learning (RL) +1

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