نتایج جستجو برای: position and velocity
تعداد نتایج: 16861482 فیلتر نتایج به سال:
Motion graphics and their relationships within the scope of kinematics unit are difficult topics for students to learn. In this study, an Arduino-based in-class physics activity was developed, in which can analyze position-time, velocity-time acceleration-time graphs practically. Within Arduino UNO HC-SR04 distance sensors, very low cost easily obtainable, were used material development process...
We have applied the method of integration of the Heisenberg equation of motion proposed by Bender and Dunne, and M. Kamella and M. Razavy to the potential V(q) = v q - µ q with linear and nonlinear dissipation. We concentrate our calculations on the evolution of basis set of Weyl Ordered Operators and calculate the mean position , velocity , the commutation relation [q, p], and the energ...
Multiple target tracking (MTT) is taken into account as one of the most important topics in tracking targets with radars. In this paper, the MTT problem is used for estimating the position of multiple targets when a 2-D radar is employed to gather measurements. To do so, the Joint Probabilistic Data Association Filter (JPDAF) approach is applied to tracking the position of multiple targets. To ...
this paper presents a stable new algorithm for force/position control in robot manipulators. in this algorithm, position vectors are measured by sensors and then used in the control law. since using force sensor has some issues such as high costs and technical problems, an approach is presented to overcome these issues. in this respect, force sensor is replaced by an adaptive fuzzy estimator to...
Synchronization and coordination are important mechanisms involved in imitation and social interaction. In this paper, we study different methods to improve the reactivity of agents to changes in their environment in different coordination tasks. In a robot synchronization task, we compare the differences between using only position detection or velocity detection. We first test an existing pos...
Background: The ability to maintain body position in space is called postural control. Muscular fatigue created after doing voluntary repeated contractions impairs postural control. Thus, the present study was conducted to compare the effects of fatigue of the lumbar extensor muscles and duration of these effects on postural sway between soccer player and non-athlete participants. &nbs...
Background : Epidemiological studies showed that low back pain after load-carrying and holding is the most common disorder in industrialized countries and cause of dysfunction and economic problems. Variable dynamic loads impose varying moments about the intervertebral joints and cause a threat to balance. The aim of the present study was to compare the postural stability while holding dynami...
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