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pro vyhledávání: '"Raymond J. Cipra"'
Autor:
Raymond J. Cipra, Hun Chan Lee
Publikováno v:
Journal of Medical Devices. 14
As affordable and efficient three-dimensional (3D) printers became widely available, researchers are focusing on developing prosthetic hands that are reasonably priced and effective at the same time. By allowing anyone with a 3D printer to build a bo
Publikováno v:
Applied Mechanics Reviews. 68
Topologically interlocked material (TIM) systems are load-carrying assemblies of unit elements interacting by contact and friction. TIM assemblies have emerged as a class of architectured materials with mechanical properties not ordinarily found in m
Publikováno v:
International Journal of Solids and Structures. 49(18):2394-2403
Topologically interlocked materials (TIMs) are a class of materials made by a structured assembly of an array of identically shaped and sized unit elements that are held in a confining framework. The assembly can resist transverse forces in the absen
Publikováno v:
International Journal of Structural Integrity. 3:61-78
PurposeTopologically interlocked materials are a class of materials in which individual unit elements interact with each other through contact only. Cracks and other defects occurring due to external loading are contained in the individual unit eleme
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 63:999-1009
A process is described to acquire geometrical data of the target object and to utilize it to rapidly create a near-net-shape component with flexible tooling system. The topological data acquisition of the object is made possible using a robot-assiste
Publikováno v:
Tribology Transactions. 51:351-360
Fretting phenomena operating in the presence of grease was investigated experimentally and analytically. A fretting test rig was designed, developed, and equipped with a microscope and high-speed video camera to observe the effects of the lubricant e
Publikováno v:
UIST
In recent years, 3D printing has gained significant attention from the maker community, academia, and industry to support low-cost and iterative prototyping of designs. Current unidirectional extrusion systems require printing sacrificial material to
Autor:
Raymond J. Cipra, Dennis Hong
Publikováno v:
Journal of Mechanical Design. 128:295-302
This paper addresses the determination, representation, and visualization of the contact force solution space of a multi-limbed mobile robotic system with three feet in contact with its environment. Since the limbs of the robot have enough joints and
Autor:
Dennis Hong, Raymond J. Cipra
Publikováno v:
Journal of Mechanical Design. 128:566-573
One of the inherent problems of multi-limbed mobile robotic systems is the problem of multi-contact force distribution; the contact forces and moments at the feet required to support it and those required by its tasks are indeterminate. A new strateg
Autor:
Carl A. Nelson, Raymond J. Cipra
Publikováno v:
Journal of Mechanical Design. 127:269-277
This paper addresses similarities between various nutating or wobbling mechanisms, in particular kinematic similarities. A case is made for the generalization of these mechanisms into a mechanism “class” having common kinematic characteristics, w