Results 31 to 40 of about 851,816 (312)
Parallel Mechanisms. Parallel CMM (Coordinate Measuring Machine Using Parallel Mechanism).
Journal of the Japan Society for Precision Engineering, 1997 本解説では,座標測定機の種々の構成を紹介し,新しい座標測定機としてパラレルCMMの構成を考えた.しかし,4章に示したようにパラレルCMMの実用化には多くの課題が残されている.これを解決するためにはいくつかの基本的なアイデアの実用化が必要である.特に絶対的な校正の問題は,多関節タイプやスカラタイプの座標測定機を含めて大きな課題であると考えている.直交型の座標測定機が座標測定機として成熟しつつあることを考えると,パラレルCMMは,その高速性を生かしたり,小さくて高精度の座標測定を目指したり,逆に大きくて低価格な測定機を目指すなど,直交型の座標測定機とのうまい住み分けを目指す必要があると考えている.
TAKAMASU, Kiyoshi, HIRAKI, Masahiko
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Research of Design and Kinematic Characteristic of a 3-UPS/RPP Parallel Mechanism
Jixie chuandong, 2020 A new 3-DOF parallel mechanism 3-UPS/RPP is designed， which can realize two shifts and one rotation. Based on the traditional 3-UPS structure， a constrained branched chain of RPP structure is added to the structure.
Xuqi Wu-Fan +3 more
doaj
Design and Workspace Analysis of Cable-rod Hybrid Drive Parallel Mechanism
Jixie chuandong, 2020 A new type of cable-rod hybrid drive parallel mechanism is proposed，and the overall device model is built in SolidWorks. The inverse kinematics model of the mechanism is derived by using the space vector analysis method.
Gao Zheng +3 more
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Machines, 2021 This paper presents a novel six degrees-of-freedom (DOF) compliant parallel mechanism (CPM) with decoupled output motions, large workspace of ≥6 mm for translations and ≥12° for rotations, optimized stiffness, and dynamic properties.
Minh Tuan Pham +4 more
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Probabilistic motion planning for parallel mechanisms [PDF]
2003 IEEE International Conference on Robotics and Automation (Cat. No.03CH37422), 2004 Despite the increasing interest in parallel mechanisms during the last years, few researchers have addressed the motion planning problem for such systems. The few existing techniques lie in a representation of the workspace of the mechanism (or its boundary).
Cortés, Juan, Simeon, Thierry
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Self-organized Invasive Parallel Optimization with Self-repairing Mechanism
, 2011 The parallelization of optimization algorithms is very beneficial when the function evaluations of optimization problems are time consuming. However, parallelization gets very complicated when we deal with a large number of parallel resources.
Mostaghim, Sanaz +2 more
core +1 more source
Therapeutic Apheresis and Dialysis, EarlyView.ABSTRACT Background Neuromyelitis optica spectrum disorder (NMOSD) is a relapsing autoimmune disease of the central nervous system. High‐dose intravenous methylprednisolone (IVMP) is the standard first‐line therapy for acute attacks, although some patients remain refractory.
Wataru Horiguchi +5 more
wiley +1 more source
IEEE Access, 2021 A parallel-mechanism-equivalent model for repeatability analysis of an overconstrained kinematic coupling is proposed. An overconstrained Kelvin-type coupling with one additional support is introduced and used for method illustration.
Jianzhong Ding, Xueao Liu, Chunjie Wang
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Modeling and Verification of Kinematics Error of 3UPS-PU Parallel Mechanism
Jixie chuandong, 2020 Taking the 3UPS-PU parallel mechanism，the experiment platform of sample package special test in the lunar exploration project as the study object，the error analysis model of 3UPS-PU parallel mechanism is established by using matrix differential method ...
Wang Na, Zhang Tao, Wang Qiuhong
doaj
Dietary Protein Intake and Peritoneal Protein Losses in Peritoneal Dialysis Patients
Therapeutic Apheresis and Dialysis, EarlyView.ABSTRACT Introduction Peritoneal dialysis (PD) patients lose protein in their waste dialysate, potentially increasing their risk for malnutrition. We wished to determine whether there was any association between losses and dietary protein intake (DPI). Methods DPI was assessed from 24‐h dietary recall using Nutrics software.
Haalah Shaaker, Andrew Davenport
wiley +1 more source