نتایج جستجو برای: velocity control

تعداد نتایج: 1454777  

Journal: :Transactions of the Society of Instrument and Control Engineers 2005

In this paper, optimal distributed control of the time-dependent Navier-Stokes equations is considered. The control problem involves the minimization of a measure of the distance between the velocity field and a given target velocity field. A mixed numerical method involving a quasi-Newton algorithm, a novel calculation of the gradients and an inhomogeneous Navier-Stokes solver, to find the opt...

Journal: :journal of rehabilitation sciences and research 0
seyed ali hosseini university of social welfare and rehabilitation sciences, tehran, iran bahareh zeynalzadeh ghoochani university of social welfare and rehabilitation sciences, tehran, iran saeed talebian department of physiotherapy faculty of rehabilitation sciences tehran university of medical sciences and health services, tehran , iran ebrahim pishyare university of social welfare and rehabilitation sciences, tehran, iran hojjat allah haghgoo university of social welfare and rehabilitation sciences, tehran, iran roya mahmoodi meymand university of social welfare and rehabilitation sciences, tehran, iran

background: centre of pressure displacement is an indicator of postural control. children with cerebral palsy have poor postural control. one common intervention to enhance their balance is vestibular stimulation. the aim of this research was to investigate the effect of vestibular stimulation on cop parameters in children with cerebral palsy (3-10 years old). methods: this study was a randomiz...

Journal: :International Journal of Intelligent Systems and Applications 2013

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده کشاورزی 1393

پایین بودن ظرفیت گرمای ویژه ی هوا و همچنین، پایین بودن ضریب انتقال حرارت جابه جایی مابین سیال هوای عبوری از مجرای کالکتور و صفحه ی جاذب حرارت، از مشکلات اصلی استفاده سیال هوا در کالکتورهای تخت خورشیدی می باشد. ایجاد ناهمواری در زیر صفحه ی جاذب حرارت از جمله روش های موثر در افزایش ضریب انتقال حرارت جابه جایی، شکستن زیرلایه ی آرام، به منظور افزایش سطح و زمان تماس هوا با صفحه ی جاذب حرارت در جریان...

Journal: :Behavior Research Methods & Instrumentation 1975

Journal: :Stochastic Processes and their Applications 2002

Journal: :Sangyo oyo kogakkai ronbunshi 2022

In autonomous driving, longitudinal velocity control has attracted significant attention for research on driving. If the feedback gain of vehicle can be tuned appropriately, desired response vehicles desired. this study, we proposed VRFT controls. We extend standard an online type controller parameter tuning method since dynamics are time-variant systems. This is more practical than indirect me...

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