نتایج جستجو برای: position of control
تعداد نتایج: 21278352 فیلتر نتایج به سال:
مشخصات پایان نامه: الف-عنوان تحقیق: 1-فارسی:اثر خستگی عضله چهار سر ران بر تعادل پویا 2-خارجی:the effect of quadriceps muscle fatigue on dynamic balance ب-نوع تحقیق: 1-کاربردی? 2-بنیادی ? 3-توسعه ای ? ج-کلید واژه ها: 1- عضله چهار سر ران muscles quadriceps 2- خستگی fatigue 3- تعادل پویاdynamic balance 4-راه رفتنwalking ...
This paper presents a practical implementation for a new formula of nonlinear PID (NPID) control. The purpose of the controller is to accurately trace a preselected position reference of one stage servomechanism system. The possibility of developing a transfer function model for experimental setup is elusive because of the lack of system data. So, the identified model has been developed via gat...
2 Background Theory on Modeling 4 2.1 Modeling of 2DOF systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.1.1 Schematics and block diagram of experimental set up . . . . . . . . . 4 2.1.2 Dynamic model for 2DOF system . . . . . . . . . . . . . . . . . . . . 5 2.1.3 Comparison of rectilinear and torsional system . . . . . . . . . . . . . 6 2.2 Dynamic response of second order sy...
the construct of self-efficacy has received increasing attention in research over the past two decades. many studies have been carried out 1.3 significance of the study this study has pedagogical implications since improving students’ self- efficacy and autonomy is important for promoting actual performance on classroom academic tasks. in academic settings, it has been shown that self-effi...
The direct drive permanent magnet synchronous motor (DD-PMSM) is a suitable choice for high-precision position control applications. Among various control methods of this motor, the vector control approaches especially the field oriented control has a high-performance in the industrial drives. In this method, the components of stator current are controlled independently and as a result, the tor...
the ability to speak two languages in the world is a remarkable achievement. there is a good reason to believe that bilingualism is the norm for the majority of people in the world because 70% of the earth’s population are supposed to be bilingual or multilingual. various investigations have shown that the native language impacts foreign word recognition, and this influence is adapted by the de...
Background & Aims: The aim of the present study was to find whether prone position is one of the symptoms of childhood gastroesophageal reflux disease or not. Method: In this prospective case-control study, 200 children with gastroesophgeal reflux disease (case group) and 210 healthy children (control group) were studied between 21 march 2009 and 21 march 2011. Data gathering was performed by a...
Quadrotor control has been noted for its trouble as the consequence of the high maneuverability, system nonlinearity and strongly coupled multivariable. This paper deals with the simulation depend on proposed controller of a quadrotor that can overcome this trouble. The mathematical model of quadrotor is determined using a Newton-Euler formulation. Fractional Order Proportional Integral Derivat...
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