Position tracking control of electro-hydraulic single-rod actuator based on an extended disturbance observer

K Guo, J Wei, J Fang, R Feng, X Wang - Mechatronics, 2015 - Elsevier
This paper presents a nonlinear cascade controller based on an extended disturbance
observer to track desired position trajectory for electro-hydraulic single-rod actuators in the …

Development of a redundant anthropomorphic hydraulically actuated manipulator with a roll-pitch-yaw spherical wrist

M Cheng, Z Han, R Ding, J Zhang, B Xu - Frontiers of mechanical …, 2021 - Springer
The demand for redundant hydraulic manipulators that can implement complex heavy-duty
tasks in unstructured areas is increasing; however, current manipulator layouts that …

Fractional-order nonsingular terminal sliding mode control of hydraulic manipulators using time delay estimation

Y Wang, G Luo, L Gu, X Li - Journal of Vibration and Control, 2016 - journals.sagepub.com
For the trajectory tracking control problem of rigid hydraulic manipulators under heavy
uncertainties and nonlinearities, a novel fractional-order nonsingular terminal sliding mode …

Dynamic modelling and parameter estimation of a hydraulic robot manipulator using a multi-objective genetic algorithm

A Montazeri, C West, SD Monk… - International Journal of …, 2017 - Taylor & Francis
This paper concerns the problem of dynamic modelling and parameter estimation for a
seven degree of freedom hydraulic manipulator. The laboratory example is a dual …

Vision-based assisted tele-operation of a dual-arm hydraulically actuated robot for pipe cutting and grasping in nuclear environments

M Bandala, C West, S Monk, A Montazeri, CJ Taylor - Robotics, 2019 - mdpi.com
This article investigates visual servoing for a hydraulically actuated dual-arm robot, in which
the user selects the object of interest from an on-screen image, whilst the computer control …

A genetic algorithm approach for parameter optimization of a 7DOF robotic manipulator

C West, A Montazeri, SD Monk, CJ Taylor - IFAC-PapersOnLine, 2016 - Elsevier
In this paper the problem of dynamic modeling and parameter estimation of a seven degree
of freedom hydraulic manipulator is investigated. The numerical model is developed in …

Towards a cooperative robotic system for autonomous pipe cutting in nuclear decommissioning

T Burrell, C West, SD Monk… - 2018 UKACC 12th …, 2018 - ieeexplore.ieee.org
A mobile camera is used to support an assisted teleoperation pipe-cutting system for nuclear
decommissioning. The base system consists of dual-manipulators with a single mounted …

[HTML][HTML] Virtual sensing of load forces in hydraulic actuators using second-and higher-order sliding modes

M Ruderman, L Fridman, P Pasolli - Control Engineering Practice, 2019 - Elsevier
External load forces are challenging for sensing or estimating in the hydraulic actuators.
Once it is due to inconvenient instrumentation of the force sensors, especially on an open …

Development of dynamic model of a 7DOF hydraulically actuated tele-operated robot for decommissioning applications

A Montazeri, J Ekotuyo - 2016 American control conference …, 2016 - ieeexplore.ieee.org
In this paper the problem of system integration and dynamic modeling of a hydraulically
actuated manipulator with seven degrees of freedom, ie HydroLek HLK-7W is investigated …

New developments in the CAPTAIN Toolbox for Matlab with case study examples

CJ Taylor, PC Young, W Tych, ED Wilson - IFAC-PapersOnLine, 2018 - Elsevier
The CAPTAIN Toolbox is a collection of Matlab algorithmic routines for time series analysis,
forecasting and control. It is intended for system identification, signal extraction …