An automated apple harvesting robot—From system design to field evaluation

K Zhang, K Lammers, P Chu, Z Li… - Journal of Field …, 2023 - Wiley Online Library
Decreased availability and rising cost in labor poses a serious threat to the long‐term
profitability and sustainability of the apple industry in the United States and many other …

RISE-based trajectory tracking control of an aerial manipulator under uncertainty

D Lee, J Byun, HJ Kim - IEEE Control Systems Letters, 2022 - ieeexplore.ieee.org
This letter presents a robust integral of the sign of the error (RISE)-based controller for an
aerial manipulator consisting of a multi-rotor and a robotic arm which guarantees tracking …

Adaptive Safety with a RISE-Based Disturbance Observer

A Isaly, OS Patil, HM Sweatland… - … on Automatic Control, 2024 - ieeexplore.ieee.org
Ensuring the safety (formally, forward invariance) of control systems using control barrier
functions typically requires being overly conservative when the dynamics of the control …

Accelerated Gradient Approach For Deep Neural Network-Based Adaptive Control of Unknown Nonlinear Systems

DM Le, OS Patil, CF Nino… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Recent connections in the adaptive control literature to continuous-time analogs of
Nesterov's accelerated gradient method have led to the development of new real-time …

Nonlinear Temperature Control of Additive Friction Stir Deposition Evaluated on an Echo State Network

GR Merritt, CA Cousin, HS Yoon - Journal of …, 2024 - asmedigitalcollection.asme.org
Additive friction stir deposition is a recent innovation in additive manufacturing allowing the
deposition of metallic alloys onto a metallic deposit bed, creating a purely mechanical …

Vision-Based Safety-Critical Landing Control of Quadrotors With External Uncertainties and Collision Avoidance

J Lin, Z Miao, Y Wang, H Wang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This article addresses the quadrotors' safety-critical landing control problem with external
uncertainties and collision avoidance. A geometrically robust hierarchical control strategy is …

Telerehabilitation Through a Remotely Operated Motorized Functional Electric Stimulation Actuated Cycle

KJ Stubbs, BC Allen, WE Dixon - IEEE Transactions on Control …, 2023 - ieeexplore.ieee.org
Neuromuscular disorders (NDs) affect millions of people each year, many of whom are
prescribed functional electrical stimulation (FES) rehabilitative cycling. However, it is often …

Robust Control of a Nonsmooth or Switched Control Affine Uncertain Nonlinear System Using a Novel RISE-Inspired Approach

J Ting, S Basyal, BC Allen - 2023 American Control Conference …, 2023 - ieeexplore.ieee.org
For decades, nonlinear control methodologies have been developed to compensate for
uncertain terms in the dynamical model that are upper bounded by constants. Classes of …

Incorporating Recurrent Networks for Online System Identification Alongside Traditional Sine-Sweep Experiments

CAL Segura - IEEE Access, 2024 - ieeexplore.ieee.org
The experimental identification of an unknown system, and the blind system identification
(BSI) methods, allows engineers to establish mathematical models that represent the real …

Lyapunov-Based Long Short-Term Memory (Lb-LSTM) Neural Network-Based Adaptive Observer

EJ Griffis, OS Patil, RG Hart… - IEEE Control Systems …, 2023 - ieeexplore.ieee.org
Long short-term memory (LSTM) neural networks excel at capturing short-and long-term
dependencies, making them powerful tools for system identification and state estimation …