Equipment logistics, maintenance, and repair are important aspects of construction equipment management. A well-managed equipment fleet helps reduce downtime, as well as total maintenance and repair costs. With quickly growing fleets of equipment, large contractors tend to divert the maintenance and repair of equipment from equipment managers to project managers. As a result, the equipment mana...

Extracting a tooth is the final treatment for multiple dental problems. Persons who are not dentists, however, have little experience with tooth extractions. When a remote setting makes it impossible to send a patient for optimal dental treatment, the clinician may need to extract teeth, sometimes using improvised equipment. The following cases of two patients with three carious, painful molars...

Piezoelectric sensors are widely used in accelerometers, for detecting failures in structures, and for vibration suppression systems among others. Such sensors can be manufactured in many different sizes, and packages to work in a variety of environments. The main characteristic of the piezoelectric material that allows for this effect is the conversion of mechanical to electrical energy. That ...

Equipment replacement: an integration view " (1989). Retrospective Theses and Dissertations. Paper 9221. The most advanced technology has been used to photo­ graph and reproduce this manuscript from the microfilm master. UMI films the text directly from the original or copy submitted. Thus, some thesis and dissertation copies are in typewriter face, while others may be from any type of computer...

SIL's (Safety Integrity Levels) are used by IEC 61508:1998 [1] to characterise the required functional safety of computer control systems. For example, SIL 4, the highest rating is for fly by wire aircraft and weapons systems and track circuited train signalling systems while SIL 2 is typical of certain Programmable Logic Controllers (PLC). Fire control panels have not been SIL rated to date ev...

In case of leasing, the user rents equipment for a predetermined time. During this period, all maintenance actions are performed by the lessor. In this research paper, the aim consists to determine an optimal maintenance policy for ensuring a minimum reliability, required by the customer. Two strategies are proposed: the first consists to perform preventive actions whenever the system reliabili...

Overall Equipment Efficiency (OEE) by Pepperl+Fuchs GmbH, TE Connectivity, and Software AG The increase in overall equipment effectiveness (OEE) is one of the most important applications of Industrie 4.0. However, retrofitting existing production systems poses major challenges for plant operators. For this reason, Pepperl+Fuchs, TE Connectivity, and Software AG – companies that are technologica...