A Unified MPC Strategy for a Tilt-rotor VTOL UAV Towards Seamless Mode Transitioning

no code implementations • 12 Feb 2024 • Qizhao Chen, Ziqi Hu, Junyi Geng, Dongwei Bai, Mohammad Mousaei, Sebastian Scherer

This paper introduces a unified MPC-based control strategy for a customized tiltrotor VTOL Unmanned Aerial Vehicle (UAV), which does not require mode-switching and can perform the control allocation in a consistent way.

Inference on Optimal Dynamic Policies via Softmax Approximation

1 code implementation • 8 Mar 2023 • Qizhao Chen, Morgane Austern, Vasilis Syrgkanis

Estimating optimal dynamic policies from offline data is a fundamental problem in dynamic decision making.

Causal Inference Decision Making +1

Debiased Machine Learning without Sample-Splitting for Stable Estimators

no code implementations • 3 Jun 2022 • Qizhao Chen, Vasilis Syrgkanis, Morgane Austern

For instance, we show that the stability properties that we propose are satisfied for ensemble bagged estimators, built via sub-sampling without replacement, a popular technique in machine learning practice.

BIG-bench Machine Learning