نتایج جستجو برای: lqr

تعداد نتایج: 1241  

در این مقاله کنترل فعال ارتعاشات یک تیر دوار یک‌سر گیردار هوشمند به کمک وصله‌های پیزوالکتریک حسگری و عملگری روی سطوح خارجی آن بررسی شده‌است. معادلات حرکت با استفاده از روش المان محدود و به کمک المان‌های 6 و 9 درجه برای قسمت‌های فاقد وصله و قسمت‌های شامل آن‌ها، گسسته‌سازی شده‌است. چند نوع مختلف کنترل‌کننده مانند LQR، LQG و پسخورد سرعت برای کنترل فعال نوسانات استفاده شده‌است. نتایج شبیه‌سازی نشان...

2015
MOHAMED ZAHRAN ALI M. YOUSEF GHAREEB MOUSTAFA

This paper proposes a robust control framework for power system stabilizer to improve system dynamic performance based on model predictive control (MPC). The effectiveness of the proposed power system stabilizer is validated by a simple power system composed of a synchronous generator connected to an infinite bus through a transmission line. A comparison between power system responses at variet...

2004
M.

The paper presents a novel systematic procedure for the design of excitation based stabilisers for large-scale interconnected electric power systems. The design method is based on newly obtained results in optimal linear quadratic regulator (LQR) design, and is superior to previously reported LQR approaches. A model of a fivemachine interconnected power system which includes detailed representa...

2012
M. A. Ahmad Raja Ismail M. S. Ramli

This paper presents the detailed account on the control design for input tracking of a buck converter driven dc motor. Proportional-Integral (PI), Proportional-Integral-type Fuzzy Logic controller (PI-type FLC) and Linear Quadratic Regulator (LQR) are the techniques proposed in this investigation to control the speed of a dc motor. The dynamic system composed from buck-converter/dc motor is con...

2012
Sandeep Kumar Yadav Sachin Sharma Narinder Singh

Double Inverted Pendulum is a nonlinear system, unstable and fast reaction system. Double Inverted Pendulum is stable when its two pendulums allocated in vertically position and have no oscillation and movement and also inserting force should be zero. The aim of the paper is to design and performance analysis of the double inverted pendulum and simulation of Linear Quadratic Regulator (LQR) con...

Journal: :Automatica 2009
Chao Liu Zhisheng Duan Guanrong Chen Lin Huang

In this paper, the synchronizability problem of dynamical networks is addressed, where better synchronizability means faster network synchronization with lower vibration. The L2 norm of the error vector e is taken as a performance index to measure this kind of synchronizability. For the equilibrium synchronization case, it is shown that there is a close relationship between the L2 norm of the e...

2012
Punitkumar Bhavsar

This paper considers the trajectory tracking control of linear inverted pendulum (IP) system. First the linearized model of IP is derived to facilitate the control design. To avoid non robust reaching phase, integral sliding mode control (ISMC) has been proposed but single variable case is tested. Linear IP is a multivariable system having angle of pendulum and position of cart are two variable...

2012
Ali Fellah Jahromi Wen Fang Rama B. Bhat

A semi-active control strategy for suspension systems of passenger cars is presented employing Magnetorheological (MR) dampers. The vehicle is modeled with seven DOFs including the, roll pitch and bounce of car body, and the vertical motion of the four tires. In order to design an optimal controller based on the actuator constraints, a Linear-Quadratic Regulator (LQR) is designed. The design pr...

2004
Chiharu Ishii Shigehiko Yamamoto Hiroshi Hashimoto

An integrated design of structure/controller for parallel inverted pendulum systems is presented. In practical parallel inverted pendulum systems, existence of a realizable stabilizing controller is inevitably determined depending on the position of center of gravity of two pendulums. In this paper these parameters are set as structural parameters in structural systems and a descriptor form rep...

2011
Soumya Kundu Nikolai Sinitsyn Scott Backhaus Ian Hiskens

As the penetration of intermittent energy sources grows substantially, loads will be required to play an increasingly important role in compensating the fast timescale fluctuations in generated power. Recent numerical modeling of thermostatically controlled loads (TCLs) has demonstrated that such load following is feasible, but analytical models that satisfactorily quantify the aggregate power ...

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