Observer-Based Approximate Affine Nonlinear Model Predictive Controller for Hydraulic Robotic Excavators with Constraints

J Wang, H Zhang, P Hao, H Deng - Processes, 2023 - mdpi.com
Given the highly nonlinear and strongly constrained nature of the electro-hydraulic system,
we proposed an observer-based approximate nonlinear model predictive controller …

H‐infinity fault‐tolerant control for Markov jump system with actuator time delay

F Weng, L Hou, H Wei, Y Huang… - The Journal of …, 2022 - Wiley Online Library
This study investigates H‐infinity fault‐tolerant control for Markov jump systems with actuator
time delay. The main objective is to obtain some theorems such that the corresponding …

Finite-time energy-to-peak control for Markov jump systems with pure time delays

F Weng, Y Zeng, Z Yu, Y Ding… - Measurement and …, 2022 - journals.sagepub.com
This study investigates finite-time energy-to-peak control for pure-time-delay Markov jump
systems. The main objective is to obtain some theorems such that the corresponding pure …

Time‐energy consumption optimal path‐constrained trajectory planning of excavator robotics

Y Zhang, Z Sun, Q Sun, Y Wang - The Journal of Engineering, 2024 - Wiley Online Library
Reasonable operation of each excavator joint under path constraints directly affects
operation efficiency and energy consumption. Efficiency and energy consumption are …

Task coordinate frame-based contouring control of an excavator with sliding mode observer and prescribed performance

HV Dao, KK Ahn - 2021 24th International Conference on …, 2021 - ieeexplore.ieee.org
In this paper, a contouring control algorithm is developed for surface flattening tasks of an
excavator regardless of lumped disturbances/uncertainties and system nonlinearities. The …

[PDF][PDF] Research Progress on Kinetics Analysis of Hydro-Mechanical Excavator‒A review

AS Kofi, AEN Laryea, S Michael, GCL Joys - 2022 - academia.edu
To this end, a progressive model was built and used to analyze the excavator's dynamic
responses. The undercarriage's transverse primary central axis of inertia is represented by a …

Design and Trajectory Control of a Novel Excavator Manipulator Based on Electro-Mechanical Actuators

Q Liu, X He, J Zhang, Y Chen, X Zhou - Available at SSRN 4703855 - papers.ssrn.com
To improve control performance and energy efficiency, a novel excavator manipulator (NEM)
based on electro-mechanical actuators (EMAs) is designed in this paper. Real-time planning …