Results 31 to 40 of about 51,039 (292)

Robust servo linear quadratic regulator controller based on state compensation and velocity feedforward of the spherical robot: Theory and experimental verification

open access: yesInternational Journal of Advanced Robotic Systems, 2023
There are few studies on the lateral motion of spherical robots. In this article, a new algorithm is proposed to solve the problem of low control accuracy of the lateral motion.
Yixu Wang   +7 more
doaj   +1 more source

High-Performance Robust Controller Design of Plug-In Hybrid Electric Vehicle for Frequency Regulation of Smart Grid Using Linear Matrix Inequality Approach

open access: yesIEEE Access, 2019
This paper proposes a high-performance and robust linear quadratic regulator-proportional integral derivative (LQR-PID) controller for frequency regulation in a two-area interconnected smart grid with a population of plug-in hybrid electric vehicles ...
Sajal Kumar Das   +5 more
doaj   +1 more source

A Q‐Learning Algorithm to Solve the Two‐Player Zero‐Sum Game Problem for Nonlinear Systems

open access: yesInternational Journal of Adaptive Control and Signal Processing, Volume 39, Issue 3, Page 566-581, March 2025.
A Q‐learning algorithm to solve the two‐player zero‐sum game problem for nonlinear systems. ABSTRACT This paper deals with the two‐player zero‐sum game problem, which is a bounded L2$$ {L}_2 $$‐gain robust control problem. Finding an analytical solution to the complex Hamilton‐Jacobi‐Issacs (HJI) equation is a challenging task.
Afreen Islam   +2 more
wiley   +1 more source

Surface Tension Measurement of Ti‐6Al‐4V by Falling Droplet Method in Oxygen‐Free Atmosphere

open access: yesAdvanced Engineering Materials, EarlyView.
In this article, the temperature‐dependent surface tension of free falling, oscillating Ti‐6Al‐4V droplets is investigated in both argon and monosilane doped, oxygen‐free atmosphere. Droplet temperature and oscillation are captured with one single high‐speed camera, and the surface tension is calculated with Rayleigh's formula.
Johannes May   +9 more
wiley   +1 more source

Design of Linear Quadratic Regulator (LQR) Based on Solving Algebraic Riccati Equation (ARE) for Minimize the Performance Index

open access: yesمجلة جامعة الزيتونة, 2022
This paper deals with the theoretical and computational analysis of linear quadratic regulator (LQR) problems, with the aim of providing solutions to them with MATLAB simulation and implementation.
Jassm Khalefa, Salma Saeid
doaj   +2 more sources

Model-based Aeroservoelastic Design and Load Alleviation of Large Wind Turbine Blades

open access: yes, 2014
This paper presents an aeroservoelastic modeling approach for dynamic load alleviation in large wind turbines with trailing-edge aerodynamic surfaces. The tower, potentially on a moving base, and the rotating blades are modeled using geometrically non ...
Bossanyi E. A.   +17 more
core   +1 more source

An extended linear quadratic regulator and its application for control of power system dynamics [PDF]

open access: yes, 2016
This paper presents a generalized solution to the problem of optimal control of systems having an extra set of exogenous inputs besides control inputs. The solution is derived in the framework of linear quadratic control and it is termedextended linear ...
Pal, Bikash C., Singh, Abhinav K.
core   +1 more source

Numerical Modeling of Tank Cars Carrying Hazardous Materials With and Without Composite Metal Foam

open access: yesAdvanced Engineering Materials, EarlyView.
Large‐scale puncture models consisting of hazardous materials (HAZMATs) tank car with protective steel–steel composite metal foam (S–S CMF) are solved numerically. Tank car plate with added 10.91–13.33 mm thick S–S CMF layer does not puncture. Protective S–S CMF absorbs impact energy, reduces plate deformation, and prevents shear bands formation ...
Aman Kaushik, Afsaneh Rabiei
wiley   +1 more source

DESAIN LINEAR QUADRATIC REGULATOR PADA SISTEM INVERTED PENDULUM [PDF]

open access: yes, 2009
Abstak. Makalah ini membahas desain pengontrol tipe Linear Quadratic Regulator (LQR) untuk menstabilkan pendulum yang berada di atas kereta tetap dalam posisi terbalik dengan meminimumkan tenaga listrik yang disuplai ke dalam
Muhammad Wakhid, Musthofa
core  

Optimal Output Regulation for Square, Over-Actuated and Under-Actuated Linear Systems

open access: yes, 2019
This paper considers two different problems in trajectory tracking control for linear systems. First, if the control is not unique which is most input energy efficient. Second, if exact tracking is infeasible which control performs most accurately. These
Adamy, Jürgen, Bernhard, Sebastian
core   +1 more source

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