Search Results for author: Ankit Goel

Found 8 papers, 0 papers with code

Experimental Flight Testing of an Adaptive Autopilot with Parameter Drift Mitigation

no code implementations20 Apr 2023 Yin Yong Chee, Parham Oveissi, Siyuan Shao, Joonghyun Lee, Juan A. Paredes, Dennis S. Bernstein, Ankit Goel

This paper modifies an adaptive multicopter autopilot to mitigate instabilities caused by adaptive parameter drift and presents simulation and experimental results to validate the modified autopilot.

A Tutorial on Neural Networks and Gradient-free Training

no code implementations26 Nov 2022 Turibius Rozario, Arjun Trivedi, Ankit Goel

Specifically, we develop neural networks as a composition of several vector-valued functions.

Experimental Flight Testing of a Fault-Tolerant Adaptive Autopilot for Fixed-Wing Aircraft

no code implementations24 Oct 2022 Joonghyun Lee, John Spencer, Siyuan Shao, Juan Augusto Paredes, Dennis S. Bernstein, Ankit Goel

Next, the performance of the adaptive autopilot is examined under failure conditions by simulating a scenario where one of the control surfaces is assumed to be stuck at an unknown angle.

On the Accuracy of the One-step UKF and the Two-step UKF

no code implementations18 Aug 2022 Ankit Goel, Dennis S. Bernstein

The most accurate version of the unscented Kalman filter (UKF) involves the construction of two ensembles.

Retrospective Cost Parameter Estimation with Application to Space Weather Modeling

no code implementations15 Aug 2022 Ankit Goel, Dennis S. Bernstein

This technique, called retrospective cost parameter estimation (RCPE), is motivated by large-scale complex estimation models characterized by high-dimensional nonlinear dynamics, nonlinear parameterizations, and representational models.

An Adaptive Digital Autopilot for Fixed-Wing Aircraft with Actuator Faults

no code implementations21 Oct 2021 Joonghyun Lee, John Spencer, Juan Augusto Paredes, Sai Ravela, Dennis S. Bernstein, Ankit Goel

This paper develops an adaptive digital autopilot for a fixed-wing aircraft and compares its performance with a fixed-gain autopilot.

Position

An Adaptive PID Autotuner for Multicopters with Experimental Results

no code implementations27 Sep 2021 John Spencer, Joonghyun Lee, Juan Augusto Paredes, Ankit Goel, Dennis Bernstein

This paper develops an adaptive PID autotuner for multicopters, and presents simulation and experimental results.

Two Modifications of the Unscented Kalman Filter that Specialize to the Kalman Filter for Linear Systems

no code implementations1 Apr 2021 Ankit Goel, Dennis S. Bernstein

The ultimate goal is thus to develop modifications of UKF that specialize to the Kalman filter for linear systems and have improved accuracy for nonlinear systems.

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