نتایج جستجو برای: complex obstacle
تعداد نتایج: 803452 فیلتر نتایج به سال:
An obstacle avoidance approach is introduced that has dynamic active regions. The dynamic regions are adapted to the current speed of the robot and there are different active regions used, one for speed reduction and one of turning away from obstacles. The overall strategy of this approach is that the robot can drive with high speed which will be reduced in front of an obstacle in order to do a...
Let {X1, . . . , Xm} be a basis of the space of horizontal vector fields on the Carnot group G = (R , ◦)(m < N). We establish regularity results for solutions to the following quasilinear degenerate elliptic obstacle problem ∫ Ω 〈〈AXu,Xu〉 p−2 2 AXu,X(v − u)〉dx ≥ ∫ Ω B(x, u,Xu)(v − u)dx
In this paper, we propose a novel type of serial robot with minimal actuation. The robot is a serial rigid structure consisting of multiple links connected by passive joints and of movable actuators. The novelty of this robot is that the actuators travel over the links to a given joint and adjust the relative angle between the two adjacent links. The joints passively preserve their angles until...
We use a characterization of the fractional Laplacian as a Dirichlet to Neumann operator for an appropriate differential equation to study its obstacle problem in perforated domains.
This paper presents a practical solution to the guidance of a unicycle type robot, including path following, obstacle avoidance and the respect of wheeled actuation saturation constraint, without planning procedure. These results are based on an extension of previous results on path following control including actuation saturation constraints. New solution for obstacle avoidance, with guarantee...
P r ~ i o u s LUC of arr$cial pountiab has dononraolcd the need for an oinmcle moidwue p o r e d that closely mo&L he obstacle. ye1 docr not pnworr lord minim0 in the wontrpocc of rhr manipuhror. Recentty we proposed a new ellipticd porcrdolfwvrion which &fis hesc rcquirenunu for rectongrhu objects in spherically synuncrric amocdvc wells. In rhir paper we present a ntw obstacle avoidwue porenri...
We investigate how the use of haptic feedback through electrical muscle stimulation (EMS) can improve collision-avoidance in a robot teleoperation scenario. Background: Collision-free requires extensive situation awareness by operator. This is difficult to achieve purely visually when obstacles exist outside robot’s field view. Therefore, from other sensory channels be beneficial. Method: compa...
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