نتایج جستجو برای: linear quadratic

تعداد نتایج: 514304  

Journal: :Linear Algebra and its Applications 2002

Journal: :Bulletin of the American Mathematical Society 1939

ژورنال: :مکانیک سازه ها و شاره ها 2013
محمد مهدی فاتح مریم بلوچ زاده

optimal discrete-time control of linear systems has been presented already. there are some difficulties to design an optimal discrete-time control of robot manipulator since the robot manipulator is highly nonlinear and uncertain. this paper presents a novel robust optimal discrete-time control of electrically driven robot manipulators for performing repetitive tasks. the robot performs repetit...

 Background: Background and Objectives: The biological variation of body mass index (BMI) and waist circumference (WC) with age may vary by gender. The objective of this study was to investigate the functional relationship of anthropometric measures with age and sex.Methods: The data were collected from a population-based cross-sectional study of 1800 men and 1800 women aged 20-70 years in...

Journal: :تحقیقات مهندسی کشاورزی 0
نسرین جمشیدی کلجاهی دانشجوی کارشناسی ارشد دانشگاه تبریز، دانشکده کشاورزی بابک قنبرزاده دانشیار گروه علوم و صنایع غذایی دانشکده کشاورزی دانشگاه تبریز جلال دهقان نیا دانشیار گروه علوم و صنایع غذایی دانشکده کشاورزی دانشگاه تبریز علی اکبر انتظامی استاد گروه شیمی پلیمر دانشکده شیمی دانشگاه تبریز محمود صوتی خیابانی استادیار گروه علوم و صنایع غذایی دانشکده کشاورزی دانشگاه تبریز

the present study used a constant level of citric acid and polyvinyl alcohol and different amounts of nanocrystalline cellulose (cnc) and tio2 nanoparticles to improve the properties of starch film. the effect of different amounts of glycerol was also examined. the results of differential scanning colorimetry demonstrated that the addition of cnc increased the melting and glass transition tempe...

Introduction: The ability of quadratic dose protocol to maintain a good quality image for an overweight and obese patient is well reported. However, a practical approach to the implementation of this protocol in whole-body imaging in Malaysia is currently lacking. Hence, the aim of this study is to derive the quadratic dose formula that suits our PET system. Metho...

Journal: :علوم دامی ایران 0
ملیحه امیرآبادی فراهانی دانشجوی کارشناسی ارشد ژنتیک و اصلاح نژاد دام، دانشکده کشاورزی، دانشگاه بوعلی سینا پویا زمانی استادیار گروه علوم دامی، دانشکده کشاورزی، دانشگاه بوعلی سینا

a number of 5558 lambing records of 2245 mehraban ewes, collected during years 1995 to 2010 were utilized to estimate the variance components and heritability for the number of lambs per lambing,  making use of b-spline random regression models. the fixed factors affecting the studied trait were identified using general linear model analysis as well as sas software, where flock-year-season and ...

Background. Despite the increasing popularity of the snowboard, there is not scientific literature for sport performance indicators in this sport. Objectives. To analyze the effects of jump difficulty on the final performance during snowboarding-slopestyle competition. Methods. All competition sequences (n=214) from the 2014 Winter Olympic Games were analyzed. Of these, 123 were from the...

Journal: :Transactions of the Society of Instrument and Control Engineers 1999

Ali Akbar Mohsenipour, Serge B. Provost,

Noncentral indefinite quadratic expressions in possibly non- singular normal vectors are represented in terms of the difference of two positive definite quadratic forms and an independently distributed linear combination of standard normal random variables. This result also ap- plies to quadratic forms in singular normal vectors for which no general representation is currently available. The ...

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