Results 91 to 100 of about 2,452,648 (268)

Monitor and control equipment for the MV-3 mobile very long baseline interferometry station [PDF]

open access: yes
The system, designed around a commercially available process controller, is described. The hardware design, selection of the process control equipment, the design of the interface to other systems, and the analog monitor and process control assembly used
Sniffin, R. W.
core   +1 more source

Product development of equipment for people with disabilities : the development of an axilla crutch : a case study : a thesis presented in partial fulfilment of the requirements for the degree of Master of Technology in Product Development at Massey University [PDF]

open access: yes, 1990
Pages 61, 83-84 Missing from Original Copy.The application of product development in the area of designing equipment for people with disabilities was studied using, as a case study, the development of a new design of axilla crutch.
Challis, Percival Brent
core  

A Novel Friction Compensation Method for Machine Tool Drive Systems in Insufficient Lubrication

open access: yesSensors
Friction is the dominant factor restricting tracking accuracy and machining surface quality in mechanical systems such as machine tool feed-drive. Hence, friction modeling and compensation is an important method in accurate tracking control of CNC ...
Yanliang Sheng   +3 more
doaj   +1 more source

Integration of physical equipment and simulators for on-campus and online delivery of practical networking labs [PDF]

open access: yesarXiv, 2015
This paper presents the design and development of a networking laboratory that integrates physical networking equipment with the open source GNS3 network simulators for delivery of practical networking classes simultaneously to both on-campus and online students.
arxiv  

Deformation analysis and hole diameter error compensation for hybrid robot based helical milling

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2019
As an innovative machining process for hole-making, helical milling (also known as orbital drilling) presents great potential in machining aircraft structures due to temperature and cutting force reduction, flexible kinematics, and improved borehole ...
Hao LI   +4 more
doaj   +1 more source

Apollo experience report: Development flight instrumentation [PDF]

open access: yes
Development flight instrumentation was delivered for 25 Apollo vehicles as Government-furnished equipment. The problems and philosophies of an activity that was concerned with supplying telemetry equipment to a space-flight test program are discussed ...
Farmer, N. B.
core   +1 more source

Three-point compound sine plate offers cost and weight savings [PDF]

open access: yes, 1972
Work piece adjustment fixture reduces size, weight and set-up complexity of alignment platforms used in metal blank machining.
Barras, A. P.
core   +1 more source

Multi-Field-Coupled Model and Solution of Active Electronically Scanned Array Antenna Based on Model Reconstruction

open access: yesInternational Journal of Antennas and Propagation, 2018
Active electronically scanned array antenna (AESA antenna) is capable of controlling the radiation pattern by controlling the feeding phase of the radiating elements. It has good performance and plays an important role in radar systems.
Dan Han   +6 more
doaj   +1 more source

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