نتایج جستجو برای: wmr
تعداد نتایج: 187 فیلتر نتایج به سال:
In this paper, a realistic simulation model for Wheeled Mobile Robot (WMR) is given by a dynamical system that switches between three models corresponding to three different tire/road contact conditions: ideal condition, skidding condition and slipping condition. Then, an algebraic based numerical identification for the discrete state (tire/road contact condition) of this switching system is pr...
a Kings Health Partners, c/o St Thomas’ Hospital, London, UK b Perinatal Pediatrics, Latin American Centre for Perinatology Women Maternal and Reproductive Health Unit (CLAP/WMR), Pan American Health Organization, World Health Organization, Montevideo, Uruguay c University of Rhode Island, Alpert Medical School Brown University Department of Pediatrics, Research Scientist Women & Infants Hospit...
This paper deals with the kinematic analysis of a wheeled mobile robot (WMR) moving on uneven terrain. It is known in literature that a wheeled mobile robot, with a fixed length axle and wheels modeled as thin disk, will undergo slip when it negotiates an uneven terrain. To overcome slip, variable length axle (VLA) has been proposed in literature. In this paper, we model the wheels as a torus a...
This paper presents a novel methodology to deal with the problem of trajectory tracking in WMR. This new approach uses the dynamic model of WMR and allows perfect velocities tracking. Generally, the classic control approaches applied to the dynamic model of the robot solve the problem of trajectory tracking in two stages. In the first one is designed a controller that ensures the perfect tracki...
Weak microwave radiation (WMR) in our environment has raised health concerns in the public. Among those, communication frequencies are more than ever becoming widespread and their effects need thorough studies. A correct understanding of these effects in-vivo by in-vitro experiments shall preferentially use primary cells. In this study we compared non-modulated (CW) and modulated WMR exposure o...
The subject of this chapter is the motion control problem of wheeled mobile robots (WMRs). With reference to the unicycle kinematics, we review and compare several control strategies for trajectory tracking and posture stabilization in an environment free of obstacles. Experiments are reported for SuperMARIO, a two-wheel differentially-driven mobile robot. From the comparison of the obtained re...
Amaç: Amacımız dünyada ölüm nedenleri arasında ön sıralarda yer alan iskemik inme ile kolay ulaşılabilir, ucuz ve hızlı bir test olan hematolojik parametrelerin ilişkisini araştırmaktır.
 
 Gereç Yöntemler: Araştırma tek merkezli, retrospektif olup Medipol Mega Üniversitesi Hastanesi Acil Servisine başvuran 18 yaş üzeri akut geçici atak (GİA) tanısı hastalar dahil edildi. Hastaların p...
In this paper, we examine the development of a decentralized control framework for a modular system of wheeled mobile manipulators that can team up to cooperatively transport a large common object. Each individually autonomous mobile manipulator consists of a differentially-driven wheeled mobile robot (WMR) with a passive, two-degree-of-freedom, planar, revolute-jointed arm mounted in the plane...
Rice is the staple food for nearly two-thirds of the world's population. Food components and environmental load of rice depends on the rice form that is resulted by different processing conditions. Brown rice (BR), germinated brown rice (GBR) and partially-milled rice (PMR) contains more health beneficial food components compared to the well milled rice (WMR). Although the arsenic concentration...
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