نتایج جستجو برای: modeling and control

تعداد نتایج: 17061332  

Journal: :ACM Transactions on Applied Perception 2011

2003
Indrakshi Ray Na Li Dae-Kyoo Kim Robert B. France

Abstract: Situations can arise in which organizations have to merge policies that are based on different access control frameworks, such as Role Based Access Control (RBAC) and Mandatory Access Control (MAC). Integrating policies requires addressing the following question: How will the integration impact access to protected resources? In particular, one needs to determine that the integration d...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده روانشناسی و علوم تربیتی 1391

the purpose of this study was the relationship between problem – solvi ability with fdi cognitive style of students.the research method was correlation method. for data analysis pearson test was used. statistical society in this research was all the students of alligoodarz city in 1391-92 year.to sampling of statiscal population was used sampling multi-stage random the size of sample selected 2...

Journal: :journal of computational applied mechanics 0
mahdi khorram center of excellence in robotics and control advanced robotics and automated systems lab, dept of mech eng, k. n. toosi univ of tech, tehran, iran. s. ali a. moosavian center of excellence in robotics and control advanced robotics and automated systems lab, dept of mech eng, k. n. toosi univ of tech, tehran, iran.

quadruped robots have unique capabilities for motion over uneven natural environments. this article presents a stable gait for a quadruped robot in such motions and discusses the inverse-dynamics control scheme to follow the planned gait. first, an explicit dynamics model will be developed using a novel constraint elimination method for an 18-dof quadruped robot. thereafter, an inverse-dynamics...

Journal: :international journal of environmental research 2010
k.s. jeong d.k. kim h.s. shin h.w. kim h. cao

in this study a machine learning algorithm was applied in order to develop a predictive model for the changes in phytoplankton biomass (chlorophyll a) in the lower nakdong river, south korea. we used a “hybrid evolutionary algorithm (hea)” which generated model consists of three functions ‘if-thenelse’ on the basis of a 15-year, weekly monitored ecological database. we used the average ...

Journal: :iranian journal of basic medical sciences 0
weiguo wang research on 2013 stage doctoral student of shandong university of traditional chinese medicine department of orthopaedic surgery, general hospital of jinan military command, jinan, china, 250031 lin wang department of orthopedics, affiliated hospital of taishan medical university, taian, china, 271000 zhanwang xu shandong university of traditional chinese medicine, jinan, china, 250014 yanxia yin department of orthopaedic surgery, general hospital of jinan military command, jinan, china, 250031 jun su department of orthopaedic surgery, general hospital of jinan military command, jinan, china, 250031

objective(s): osteoarthritis (oa), as a known degenerative joint disease, is the most common form of arthritis. in this study, we aimed to elucidate unclear pathogenesis of oa. materials and methods: rabbit models of oa were established by the transection of the anterior cruciate ligament. rabbits were randomly divided into three equal groups: the experimental group (oa modeling, treated with e...

2006
Kamyar Sarshar Peter Loos

A number of process modelling notations use connectors for the representation of the control-flow while others apply the token game. There are number of good arguments in favour as well as against each to these two ways of representing the control-flow. This contribution describes the results of an empirical comparison of these two approaches from the end-used perspective. The overall outcome o...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان 1389

wireless sensor networks (wsns) are one of the most interesting consequences of innovations in different areas of technology including wireless and mobile communications, networking, and sensor design. these networks are considered as a class of wireless networks which are constructed by a set of sensors. a large number of applications have been proposed for wsns. besides having numerous applic...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده ادبیات و علوم انسانی 1394

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...

Journal: :پژوهش های زراعی ایران 0
علیرضا کوچکی مهدی نصیری محلاتی سارا سنجانی

in order to investigate the weed diversity and modeling light interception in sole and intercropping millet and bean an experiment was conducted as complete randomized block design with 4 treatments and 4 replications at the agricultural research station, ferdowsi university of mashhad, iran, during 2008. treatments included monocultures, intercropping of millet and bean and a control treatment...

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