نتایج جستجو برای: cascade control system

تعداد نتایج: 3289948  

Journal: :iranian journal of fuzzy systems 2011
jinliang liu zhou gu hua han songlin hu

a memory control for t-s fuzzy discrete-time systems with sto- chastic input delay is proposed in this paper. dierent from the common assumptions on the time delay in the existing literatures, it is assumed in this paper that the delays vary randomly and satisfy some probabilistic dis- tribution. a new state space model of the discrete-time t-s fuzzy system is derived by introducing some stocha...

2006
Xiuxia Du Pingkang Li

An on line Fuzzy Logic Controller (FLC) realization with Genetic Algorithm (GA) optimization for Automatic Generation Control (AGC) system is developed. By rearranging the multi area AGC system into integration of the SISO cascade loops, the simple FLC Decision Table algorithm could be used in the complex AGC system. This Decision Table looking up algorithm for FLC with GA optimization is suita...

Bisma Malik, Pervaiz Ahmad Dar Seema Rashid Sheikh Tanveer Salam Tanveer Bilal Pirzadah

Heavy metal (HMs) pollution is currently one of the serious issues for the environment and agriculture as it has a direct impact on the production yield. This situation has gained a rapid momentum in the present era due to the population pressure, industrialization, and various anthropogenic activities which in turn lead to oxidative ...

Journal: :ISA transactions 2012
Jianhua Zhang Fenfang Zhang Mifeng Ren Guolian Hou Fang Fang

In this paper, an improved cascade control methodology for superheated processes is developed, in which the primary PID controller is implemented by neural networks trained by minimizing error entropy criterion. The entropy of the tracking error can be estimated recursively by utilizing receding horizon window technique. The measurable disturbances in superheated processes are input to the neur...

2015
Shan Chen Bin Yao Zheng Chen Shiqiang Zhu

The control objective of exoskeleton for human performance augmentation is to minimize the human machine interaction force while carrying external loads and following human motion. This paper addresses the dynamics and the interaction force control of a 1-DOF hydraulically actuated joint exoskeleton. A spring with unknown stiffness is used to model the humanmachine interface. A cascade force co...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی امیرکبیر(پلی تکنیک تهران) - دانشکده مهندسی برق 1380

در این رساله به روش تحلیلی، طراحی کنترل کننده تطبیقی به کمک شبکه های عصبی برای سیستمهای ابعاد وسیع نامتمرکز دارای زیر سیستمهای غیر خطی غیر فاین با درجه نسبی کامل انجام شده است. طراحی کنترل کننده به کونه ای است که پایداری زیر سیستمهای حلقه بسته، کل سیستم و همگرایی خطای بین هر زیر سیستم و مدل مرجع آن به سمت صفر، تضمین می شود.رویکرد این رساله به شبکه های عصبی، رویکرد جدیدی است که در چند سال اخیر ب...

2000
Janusz Pluta Agata Piotrowska

Výskum vlastností hydrostatickej transmisie regulovanej rôznymi regulátormi In this paper the possibility of a uses control system with a signal processor DSP to control hydrostatic transmission was described. A hydrostatic transmission with pump variable efficiency and engine radial with constant working absorptivity was chosen. The control of the efficiency of pump was realized by using the e...

2011

Capacity and efficiency of any refrigerating system diminish rapidly as the difference between the evaporating and condensing temperature is increased by reduction in the evaporator temperature. The single stage vapour compression refrigeration system is limited to an evaporator temperature of -40 C. Below temperature of -40 C the either cascade refrigeration system or multi stage vapour compre...

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