نتایج جستجو برای: bar linkage
تعداد نتایج: 82540 فیلتر نتایج به سال:
The kinematic synthesis of planar motion generators in the presence of an incomplete set of finitely separated poses is the subject of this paper. Given that the planar rigid-body guidance problem in the realm of four-bar linkage synthesis can be solved exactly for up to five prescribed poses of the coupler link, any number of poses smaller than five is considered incomplete in this paper. The ...
Inspired by the bite and swallowing function of a snake’s mouth, a robot end‐effector grabbing mechanism was designed. The grabbing movement is realized by the ‘bite’ function of the bionic snake mouth actuator, and the ‘swallowing’ function insures a continuous grip on the object. To implement the continuous grip function of the new robot end‐effector, the c...
Spondylocarpotarsal synostosis syndrome is a rare autosomal recessive disorder characterised by vertebral fusions, frequently manifesting as an unsegmented vertebral bar, as well as fusions of the carpal and tarsal bones. In a study of three consanguineous families and one non-consanguineous family, linkage analysis was used to establish the chromosomal location of the disease gene. Linkage ana...
We present an additive approach for the inverse design of kirigami-based mechanical metamaterials by focusing on empty (negative) spaces instead solid tiles. By considering each negative space as a four-bar linkage, we identify simple recursive relationship between adjacent linkages, yielding efficient method creating kirigami patterns. This allows us to solve problem using elementary linear al...
Wearable haptic devices are recently gaining great popularity among researchers. Such interfaces will indeed enable natural forms of communication between the wearer and the environment. Humans will be free to move and interact with the surrounding world while being provided with rich and unobtrusive haptic information. In this respect, fingertip cutaneous technologies have shown promising resu...
At present, the research objects of rigid-body guidance synthesis are mostly limited to pure linkages, and there is little on combined mechanisms gears or cams linkages. In order expand improve kinematic mapping theory, this paper proposes a method noncircular gear-five-bar mechanisms. A mechanism can be regarded as combination 2R (two revolute joints) open chain, 3R (three chain pair gears. Fi...
Recently there has been much interest in linkages (bar-and-joint frameworks) that are locked or stuck in the sense that they cannot be moved into some other configuration while preserving the bar lengths and not crossing any bars. We propose a new algorithmic approach for analyzing whether planar linkages are locked in many cases of interest. The idea is to examine self-touching or degenerate f...
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