نتایج جستجو برای: continuous and discontinuous control

تعداد نتایج: 17039551  

Journal: :Systems & Control Letters 2010
Yury Orlov Alessandro Pisano Elio Usai

A spatially distributed form of a second-order sliding-mode control algorithm is suggested for the feedback control of a heat process subject to unmeasurable, sufficiently smooth, persistent disturbances of arbitrary shape. In order to obtain a continuous control input, while retaining similar properties of robustness as those usually endowing the discontinuous control systems, a dynamic input-...

2002
Marius-F Danca Steliana Codreanu

This work presents the arguments for the possibility of approximating some discontinuous dynamical systems with continuous or even smooth dynamical systems. The discontinuous di€erential equation, which describes the system, is transformed into a di€erential inclusion and then into a di€erential equation with continuous or smooth right-hand side. As an example a generalization of the equations ...

پایان نامه :0 1371

the treatment of in completely formed pulpless teeth has presented considrable problems. these teeth have wide open apexes and the walls of the root canal diverge toward the apical tissues. mechanical preparation cannot be done in the normal manner beacause of the large initial size and the taper of apical part of the canal , a mechanical stop cannot be produced at the apex of the canal and , t...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی برق و کامپیوتر 1391

this thesis is presented 10 ghz voltage controlled ring oscillator for high speed application. the voltage controlled ring oscillator was designed and fabricated in 0.13یm cmos technology. the oscillator is 7-stages ring oscillator with one inverter replaced by nand-gate for shutting down in the ring oscillator during idle mode. tri-state inverter was used to control of 126 bit vector in ri...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم انسانی 1391

the present study sought to investigate the impact of using mind-mapping technique instruction on female elementary efl learners reading comprehension; it also investigated their attitudes towards using mind-mapping technique as a tool to improve their reading comprehension. this study followed a quasi-experimental design with two intact groups as experimental, and control groups. the participa...

2003
Fernando A. C. C. Fontes Lalo Magni

This paper proposes a Model Predictive Control (MPC) algorithm for the solution of a robust control problem for continuous-time systems. Discontinuous feedback strategies are allowed in the solution of the min-max problems to be solved. The use of such strategies allows MPC to address a large class of nonlinear systems, including among others nonholonomic systems. Robust stability conditions to...

2008
Xuerong Mao Alexandra Rodkina

The control circuit for a single-link manipulator robot constructed on a proportional-diierential controller is considered in the presence of various random nonlinear continuous and discontinuous perturbations. Results on diierent kinds of stability are obtained. Computer simulations of the motion of a robot hand for an actual robot-manipulator are presented.

2011
Mikhail Egorov

The paper presents models developed to study modulation systems of inverters that supply the induction motor drives. A modelling technique and simulation results are proposed. The benefits of the discontinuous space vector modulation algorithms for the six-step, pulse-width, and continuous space vector control methods are described.

2011
Gianluca Giovannetti Carmine Ortix Martijn Marsman Massimo Capone Jeroen van den Brink José Lorenzana

In several materials, unconventional superconductivity appears nearby a quantum phase transition where long-range magnetic order vanishes as a function of a control parameter like charge doping, pressure or magnetic field. The nature of the quantum phase transition is of key relevance, because continuous transitions are expected to favour superconductivity, due to strong fluctuations. Discontin...

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