نتایج جستجو برای: motor control

تعداد نتایج: 1452218  

In this paper the method of sensorless startup of direct current brushless motor using third harmonic back Electromotive Force (EMF) and motor startup using microcontroller for pulse width modulation, power switch control and motor output analysis is presented which renders RPM control and high speed achievement for motor. The microcontroller is used for processor and MOSFETs are used for power...

Nowadays, due to significant increase in demands of electric motors for residential, commercial and industrial applications, and for optimum consumption of electrical energy, the design and manufacturing of high efficiency motors and related variable speed drives have been considered by many suppliers. Among several kinds of motors, the brushless DC (BLDC) motor is employed in many applications...

Journal: :رشد و یادگیری حرکتی - ورزشی 0
علیرضا فارسی استادیار دانشگاه شهید بهشتی بهروز عبدلی دانشیار دانشگاه شهید بهشتی مریم کاویانی کارشناس ارشد دانشگاه شهید بهشتی اکرم کاویانی کارشناس ارشد دانشگاه شهید بهشتی

the purpose of this study was to investigate the effect of perceptual – motor experience on motor development quotient of fine and gross motor skills in infants. fifteen 5-8-month-old healthy infants participated randomly in this study and were divided homogenously into two groups (experimental and control) according to their age. experimental group had 36 training sessions, each session an hou...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان 1387

چکیده ندارد.

Elham Zarghami, Mohammad Ashori, Mohsen Ghaforian, Seyyedeh Somayyeh Jalil-Abkenar,

Objectives: Sensory integration training plays a crucial role on the attention span and motor skills of students with Down syndrome. The present research aimed to investigate the effect of sensory integration training on the attention span and motor skills of students with Down syndrome.  Methods: This was a quasi-experimental research with a pretest, posttest design and control group. Partici...

Journal: :وقایع علوم کاربردی ورزش 0
rahman sheikhhoseini facualty of physical education and sport siences kieran o'sullivan sports spine centre, aspetar orthopaedic and sports hospital, doha, qatar mohammad hossein alizadeh department of health & sport medicine, faculty of sport sciences, university of tehran, tehran, iran meisam sadeghisani faculty of rehabilitation, shahid beheshti university of medical science, tehran, iran

low back pain (lbp) is also one of the most common medical conditions in athletes. there is little doubt that patients with lbp use from their body differently than pain free individuals. the purpose of this review was to investigate changes in motor control which may be present in athletes with lbp. the search strategy for this review consisted of an electronic database search of full text in ...

Background and Objective: Appropriate programs should be provided to improve the function of memory, learning, and the effects of processing efficiency in the daily life of children with intellectual disabilities. Therefore, the present study aimed to compare the effectiveness of motor-working memory training and perceptual-motor exercises on digit span and letter-number sequencing in educable ...

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