Results 41 to 50 of about 684,731 (263)

Switching Power Amplifier and Its Improved Current Control Strategy of Active Magnetic Bearing

Kongzhi Yu Xinxi Jishu, 2021
In order to optimize the performance of the magnetic bearing system, a five-axis common-bridge arm topology structure is proposed by analyzing the performance characteristics of magnetic bearing switching power amplifier, which has the advantages of less
HE Xi, HE Yaping, LI Jia
doaj  

A study on tolerance design of machine tool components based on shape generation motions (Theoretical analysis considering rotational table positions)

Nihon Kikai Gakkai ronbunshu, 2017
The kinematic motion deviations of the five-axis machining centers are deeply influenced by the geometric deviations of the components, such as guide-ways and bearings.
Naoki SATONAKA, Ryo TAKEMATSU, Nobuhiro SUGIMURA, Koji IWAMURA, Yoshitaka TANIMIZU   +4 more
doaj   +1 more source

Hypothalamic-pituitary-adrenal axis and renin-angiotensin-aldosterone system in adulthood PTSD and childhood maltreatment history

Frontiers in Psychiatry, 2023
Accumulated evidence shows that psychological trauma and posttraumatic stress disorder (PTSD) are associated with dysfunction in the hypothalamic-pituitary-adrenal (HPA) axis.
Ryoko Kakehi, Ryoko Kakehi, Ryoko Kakehi, Hiroaki Hori, Fuyuko Yoshida, Fuyuko Yoshida, Mariko Itoh, Mariko Itoh, Mingming Lin, Madoka Niwa, Megumi Narita, Keiko Ino, Keiko Ino, Risa Imai, Daimei Sasayama, Toshiko Kamo, Hiroshi Kunugi, Hiroshi Kunugi, Yoshiharu Kim   +18 more
doaj   +1 more source

Clinical performance of the urine‐based TERT promoter AbsoluteQ Digital PCR for non‐invasive detection of bladder cancer

Molecular Oncology, EarlyView.
A urine‐based digital PCR assay targeting two hotspot TERT promoter variants detected bladder cancer with high sensitivity and no false positives in this case–control cohort. The streamlined AbsoluteQ workflow outperformed Sanger sequencing and supports non‐invasive molecular testing for bladder cancer detection.
Anna Nykel, Izabela Kubiak, Lena Rutkowska, Żaneta Kasprzyk, Łukasz Kępczyński, Michał Bednarek, Dariusz Sobieraj, Jacek Wilkosz, Piotr Kania, Adam Jędrzejczyk, Bogdan Kałużewski, Agnieszka Gach, Tadeusz Kałużewski   +12 more
wiley   +1 more source

A study on tolerance design of machine tool components based on shape generation motions

Nihon Kikai Gakkai ronbunshu, 2016
The kinematic motion deviations of the five-axis machining centers are deeply influenced by the geometric deviations of the components, such as guide-ways and bearings.
Ryo TAKEMATSU, Naoki SATONAKA, Arata YOSHIDA, Nobuhiro SUGIMURA, Koji IWAMURA, Yoshitaka TANIMIZU   +5 more
doaj   +1 more source

Simulation model for uncertainty estimation of measurements performed on five-axis measuring systems [PDF]

The International Journal of Advanced Manufacturing Technology, 2019
Five-axis measuring systems (i.e. coordinate measuring machines equipped with articulated probe heads capable of continuous indexation or five-axis machine tools with inspection probe mounted on a tilt and swivel head) are becoming more and more popular, especially in industrial applications, since their usage speeds up the measurement process without ...
Piotr Gąska, Adam Gąska, Jerzy Sładek, Jędrzejewski, Jerzy   +3 more
openaire   +2 more sources

Developmental programmes drive cellular plasticity, disease progression and therapy resistance in lung adenocarcinoma

Molecular Oncology, EarlyView.
This study shows that lung adenocarcinomas exploit developmental branching morphogenesis to acquire a therapy resistant basal‐like tumour cell state. This process was found to be regulated by combined TP53 loss‐of‐function and type‐I interferon signalling, identifying a novel axis for biomarker and therapeutic target discovery.
Kamila J Bienkowska, Stephany Gallardo, Nur S. Zainal, Leena Arora, Matthew Ellis, Maria‐Antoinette Lopez, Judith Austine, Sai Pittla, Serena J Chee, Aiman Alzetani, Emily C Shaw, Christian H Ottensmeier, Gareth J Thomas, Christopher J Hanley   +13 more
wiley   +1 more source

Implementation Method of Five-Axis CNC RTOS Kernel Based on gLink-II Bus

Sensors
With the rapid development of Computerized Numerical Control (CNC) systems, traditional industrial communication protocols fail to meet the requirements for high real-time performance and reliability.
Liangji Chen, Hansong Gao, Huiying Li, Haohao Xu   +3 more
doaj   +1 more source

Identification Method of Geometric Deviations for Multi-Tasking Machine Tools Considering the Squareness of Translational Axes

Applied Sciences, 2020
Some methods to identify geometric deviations of five-axis machining centers have been proposed until now. However, they are not suitable for multi-tasking machine tools because of the different configuration and the mutual motion of the axes. Therefore,
Yan Yao, Keisuke Nishizawa, Noriyuki Kato, Masaomi Tsutsumi, Keiichi Nakamoto   +4 more
doaj   +1 more source

Design of five axis welding robot based on leadshine control system

IOP Conference Series: Materials Science and Engineering, 2019
The five-axis welding robot based on leadshine control system can accomplish various welding tasks in industry, and can accomplish arc welding and linear welding and other welding types. When welding, the machine has small chattering and high welding accuracy. In this paper, the D-H linkage coordinate system and kinematics forward and inverse solutions
Zhao Yongguo, Li Minglei, Wang Peng, Han Yuanda   +3 more
openaire   +1 more source