نتایج جستجو برای: prehensile manipulation
تعداد نتایج: 62566 فیلتر نتایج به سال:
every discourse, written or oral, is the conveyer of some hidden agenda of the producer, most importantly in such genres of speech as journalism, politics, propaganda, and advertisements. given the role of translation in discourse, a difference exists between when the translator carries the ideological values of the elite in contrast with one with patriotic preferences. in this study a comparis...
The authors explored application of analytical inverse optimization (ANIO) method to the normal finger forces in unimanual and bimanual prehensile tasks with discrete and continuously changing constraints. The subjects held an instrumented handle vertically with one or two hands. The external torque and grip force changed across trials or within a trial continuously. Principal component analysi...
A modified "Klüver" or dexterity board was developed to assess fine control of hand and digit movements by nonhuman primates during the acquisition of small food pellets from wells of different diameter. The primary advantages of the new device over those used previously include standardized positioning of target food pellets and controlled testing of each hand without the need for restraints, ...
In this paper, we define semi-holonomic controllability (SHC) and a general task and motion planning framework. We give a perturbation algorithm that can take a prehensile task and motion planning (PTAMP) domain and create a jointly-controllable-open (JC-open) variant with practically identical semantics. We then present a decomposition-based algorithm that computes the reachability set of a pr...
ADSTRA CT. The study of the human hand in prehensile movements can offer insights into the design of robot grasp planners. A design for a two-level llierarchical grasp planner is presented. The first phase maps an object and task representation into a grasporiented description of the task The second phase maps this description into an opposition space, which captures the available foices and de...
Investigators study the kinematics of grasping movements (prehension) under a variety of conditions to probe visuomotor function in normal and brain-damaged individuals. "Natural" prehensile acts are directed at the goal object and are executed using real-time vision. Typically, they also entail the use of tactile, proprioceptive, and kinesthetic sources of haptic feedback about the object ("ha...
An account of the postural determinants of perceived reachability is proposed to explain systematic overestimations of the distance at which an object is perceived to be reachable. In this account, these errors are due to a mapping of the limits of prehensile space onto a person's perceived region of maximum stretchability, in the context of a whole-body engagement. In support of this account, ...
we sought to understand whether, how, and why the translated journalistic texts related to the iranian nuclear negotiations were manipulated. to this end, we monitored a news agency’s webpage in a time span of 46 days that began 3 days before almaty i nuclear talks and ended 3 days after almaty ii talks. monitoring resulted in a corpus made up of 36 target texts p...
the most modern techniques in biotechnology owe their existence to the discovery of dna cloning and the genetic manipulation of organisms. however biotechnology is not new science in fact, many applications represent old practices with new methodologies. human have been used organisms for their benefit in many processes for several thousand years. therefore, one way of thinking about biotechnol...
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