نتایج جستجو برای: mobile base
تعداد نتایج: 421872 فیلتر نتایج به سال:
this paper presents optimal control method to path planning of mobile robots with flexible joints. dynamic equations are derived and additional kinematic constraints are used to solve the extra dofs arose from base mobility. then with modeling the elasticity at each joint as a linear torsinal spring, the set of equations are formed. the hamiltonian function is formed and the necessary condition...
Optimal load of mobile robots, while carrying a load with predefined motion precision is an important consideration regarding their applications. In this paper a general formulation for finding maximum load carrying capacity of flexible joint mobile manipulators is presented. Meanwhile, overturning stability of the system and precision of the motion on the given end-effector trajectory are take...
In this paper a general formulation for finding the maximum allowable dynamic load (MADL) of flexible link mobile manipulators is presented. The main constraints used for the algorithm presented are the actuator torque capacity and the limited error bound for the end-effector during motion on the given trajectory. The precision constraint is taken into account with two boundary lines in plane w...
Determination of mobile localization with time of arrival (TOA) signal is a requirement in cellular mobile communication. In some of the previous methods, localization with non-line-of-sight (NLOS) paths can lead to large position error. Also for simplicity, in most simulations suppose non stationary actual environments as stationary. This paper proposes (residual test + recursive least square)...
Background: The health effect of rapidly increasing everyday exposure of humans to radiofrequency radiation is a major global concern. Mobile phone jammers prevent the mobile phones from receiving signals from base stations by interfering with authorized mobile carriers’ services. In spite of the fact that mobile jammer use is illegal, they are occasionally used in offices, shrines, confe...
In adaptive mobile network like battle fields or military applications, the base station configuration may change dynamically. Mobile nodes communicate via a base station and can move freely. This dynamic change together with the constraints make the assignment of mobile nodes to base stations difficult. In this paper, we propose the polynomial-time algorithms to find a good partitioning of mob...
the teledensity in india is estimated at 74.50 per cent (january, 2014) with an increase in subscriber base each day. no other revolution in the mankind has transformed the communication scenario to the extent as done by the mobile technologies. india has the fastest growing telecom network in the world with its high population and development potential base. education is at a critical juncture...
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