نتایج جستجو برای: adaptive

تعداد نتایج: 198990  

Journal: :international journal of automotive engineering 0
m. baghaeian a. akbari

in this paper, the enhancement of vehicle stability and handling is investigated by control of the active geometry suspension system (ags). this system could be changed through control of suspension mounting point’s position in the perpendicular direction to wishbone therefore the dynamic is alternative and characteristics need to change. for this purpose, suitable controller needs to change mo...

Journal: :iranian journal of oil & gas science and technology 2013
karim salahshoor behnam lotfi

control of well drilling operations poses a challenging issue to be tackled. the loss of well control could lead to the occurrence of blowout as a severe threat, involving the risk of human lives and environmental and economic consequences. conventional proportional-integral (pi) controller is a common practice in the well control operation. the small existing margin between pore pressure and f...

Journal: :international journal of smart electrical engineering 2012
soodeh faraji ali khaki seddigh

this paper presents a theoretical approach to implementation of the “multi-realization of nonlinear mimo systems”. this method aims to find state-variable realization for a set of systems, sharing as many parameters as possible. in this paper a special nonlinear multi-realization problem, namely the multi-realization of feedback linearizable nonlinear systems is considered and an algorithm for ...

Journal: :practice in clinical psychology 0
nafiseh mahdavi department of psychology, faculty of human science, university of science and culture, tehran, iran. esmaeilpour khalil university of tabriz khajeh vajiheh university of tabriz

objective: many behavioral problems are resulting from inappropriate parenting styles and inattention to behavioral-emotional difficulties in childhood. the purpose of this research was to examine the relationship between parenting styles and dimensions of children's maladaptive behaviors. methods: 120 six-year old boys, who were enrolled in the first grade of elementary school, were selec...

Journal: :journal of biomedical physics and engineering 0
s abbaspour department of biomedical engineering, amirkabir university of technology, tehran, iran a fallah department of biomedical engineering, amirkabir university of technology, tehran, iran

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Journal: :journal of biomedical physics and engineering 0
s. abbaspour a. fallah

background: the electrocardiogram artifact is a major contamination in the electromyogram signals when electromyogram signal is recorded from upper trunk muscles and because of that the contaminated electromyogram is not useful. objective: removing electrocardiogram contamination from electromyogram signals. methods: in this paper, the clean electromyogram signal, electrocardiogram artifact and...

Journal: :journal of advances in computer research 0
milad malekzadeh young researchers and elite club, ayatollah amoli branch, islamic azad university, amol, iran alireza khosravi faculty of electrical and computer engineering, babol univ. of tech., babol, iran

this paper presents a new observer-based control scheme for a class of nonlinear systems. in the proposed method, nonlinear observer and twisting algorithm controller are employed to realize a sensor-less control strategy for complex systems which makes use of non measurable process information instead of installing as many sensors as possible. due to lack of availability of the complex system ...

M. M. Fateh R. Gholipour,

This paper introduces a robust task-space control scheme for a robotic system with an adaptive observer. The proposed approach does not require the availability of the system states and an adaptive observer is developed to estimate the state variables. These estimated states are then used in the control scheme. First, the dynamic model of a robot is derived. Next, an observer-based robust contr...

بقولی, حسین, بوالهری, جعفر, بیرشک, بهروز, توکلی, محمد علی, قامت بلند, حمید رضا,

Objective: Standardizing the Vineland Adaptive Behavior Scale among Iranian population from birth through 18 years and 11 months of age. Method: The Scale is consisted of four domains: Communication, daily life skills, socialization and motor skills. To validate this Scale on Iranian population, 1650 normal subjects composed of 15 age groups in urban and rural areas in Fars, Khorasan, Zanjan, K...

In an effort to expand the disciplinary discussions on transfer in L2 writing and because most studies have focused on transfer as reuse and not as an adequate adaptation of writing knowledge in new contexts, the present study as the first of its kind aimed to explore the issue of adaptive transfer in an English for General Academic Purposes (EGAP) writing course. The study thus focused on type...

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