A time delay controller included terminal sliding mode and fuzzy gain tuning for underwater vehicle-manipulator systems

HN Esfahani, V Azimirad, M Danesh - Ocean Engineering, 2015 - Elsevier
Abstract An improved Time Delay Control (TDC) method for an Underwater Vehicle-
Manipulator System (UVMS) is proposed. The proposed controller consists of three terms: a …

High performance super-twisting sliding mode control for a maritime autonomous surface ship (MASS) using ADP-based adaptive gains and time delay estimation

HN Esfahani, R Szlapczynski, H Ghaemi - Ocean Engineering, 2019 - Elsevier
This research addresses two kinds of problems related to optimal trajectory tracking of a
Maritime Autonomous Surface Ship (MASS): those caused by the time-varying external …

[PDF][PDF] Model predictive super-twisting sliding mode control for an autonomous surface vehicle

HN Esfahani, R Szlapczynski - Polish Maritime Research, 2019 - sciendo.com
This paper presents a new robust Model Predictive Control (MPC) algorithm for trajectory
tracking of an Autonomous Surface Vehicle (ASV) in presence of the time-varying external …

Robust-adaptive dynamic programming-based time-delay control of autonomous ships under stochastic disturbances using an actor-critic learning algorithm

HN Esfahani, R Szlapczynski - Journal of Marine Science and Technology, 2021 - Springer
This paper proposes a hybrid robust-adaptive learning-based control scheme based on
Approximate Dynamic Programming (ADP) for the tracking control of autonomous ship …

[PDF][PDF] Robust model predictive control for autonomous underwater vehicle–manipulator system with fuzzy compensator

HN Esfahani - Polish Maritime Research, 2019 - sciendo.com
This paper proposes an improved Model Predictive Control (MPC) approach including a
fuzzy compensator in order to track desired trajectories of autonomous Underwater Vehicle …

Uncertainty and velocity observer-based predefined-time nonsingular terminal sliding mode control of the underwater robot manipulators

S Zaare, MR Soltanpour - European Journal of Control, 2024 - Elsevier
This paper introduces an observer-based predefined-time nonsingular terminal sliding
mode control to the position tracking control of the n-degree-of-freedoms underwater robot …

A novel robust fuzzy control of an uncertain system

A Bayrak, H Gürsoy, MÖ Efe - Transactions of the Institute of …, 2017 - journals.sagepub.com
This paper presents a robust control method combining the conventional proportional–
integral–derivative (PID) scheme and the sliding mode fuzzy control scheme for a second …

[PDF][PDF] بررس یثأت ی ر قطر دانهها ي کاتالیست بر عملکرد محفظه تجزیه رانشگر کاتال یستی هیدرازینی.

محمد رضا سلیمی, حدیثه کریمایی… - Journal of Applied …, 2023‎ - mechanic-ferdowsi.um.ac.ir
Most spacecraft such as rockets, satellites, and space probes have small propulsion systems
for situation control, orbital transfer, and position correction. Among these propulsion …

بررسی تأثیر پارامترهای ورودی مدل اصطکاکی اچ‌کا بر نیرو و زمان بحرانی در جابه‌جایی نانوذره طلا

طاهری, معین, فرجی, حامد - علوم کاربردی و محاسباتی در …, 2023‎ - mechanic-ferdowsi.um.ac.ir
در مقیاس ماکرو نیروهای سطحی مانند اصطکاک و چسبندگی اهمیت کمی دارند و می‌توان از آن‌ها صرف‌نظر
کرد، اما در دنیای میکرو/نانو، این نیروها از اهمیت بالایی برخوردار می‌باشند. بدین منظور، جهت …

Nonlinear Robust Tracking Control of an Underwater Vehicle-Manipulator System

M Mahmoodi, AF Ehyaei, J Ehyaei - AUT Journal of Electrical …, 2020 - eej.aut.ac.ir
This paper develops an improved robust multi-surface sliding mode controller for a
complicated five degrees of freedom Underwater Vehicle-Manipulator System with floating …