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This paper presents a new methodology of using tetrahedron configurations to determine the forward kinematics of 6-dof parallel manipulators. The approach is introduced in the form of the Tetrahedron Proposition and Theorem using the special characteristics of tetrahedral geometry which are then applied to obtaining the kinematic solutions of two 6-dof parallel manipulators such as the Hunt-Pri...

SUMMARY Herpes Zoster Cephalicus or Ramsey-Hunt syndrome is second only to Bells palsy as the most common cause of acute facial paralysis. The varicclla zoster virus is thought to be responsible for this syndrome; Involvement or the racial and auditory nerve. In this article, a patient who was admitted with vesticular eruption of the external car with facial paralysis, and auditory symptoms i...

This paper describes the UMass Lowell entry into the Scavenger Hunt Competition at the AAAI-2005 Robot Competition and Exhibition. The scavenger hunt entry was built on top of the system we have been developing for urban search and rescue (USAR) research. The system includes new behaviors and behavior sequencing, vision algorithms and sensor processing algorithms, all used to locate the objects...

A b s t r a c t. The purpose of this note is to expose a new way of viewing the canonical extension of posets and bounded lattices. Specifically, we seek to expose categorical features of this completion and to reveal its relationship to other completion processes. The theory of canonical extensions is introduced by Jónsson and Tarski [15, 16] for Boolean algebras with operators. Their approach...