Last edited by Jumuro
Saturday, August 21, 2021 | History

2 edition of Reliability factors for ground electronic equipment. found in the catalog.

Reliability factors for ground electronic equipment.

Keith Henney

Reliability factors for ground electronic equipment.

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Published by McGraw-Hill in New York .
Written in English


The Physical Object
Pagination282p., ill., 29cm
Number of Pages282
ID Numbers
Open LibraryOL19503948M

The traditional formula for overall equipment effectiveness — including speed, quality and uptime — treated all three factors as equals and OEE as a measure of equipment effectiveness over a hour period, assuming 24 hours was the required performance companies have refined the calculation to fit the actual required performance window. The Modeling Tool can be downloaded to your PC. However, neither the U.S. Government nor any of the sponsors, including Electric Transportation Engineering Corporation (ETEC), makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of the model, nor represents that its use would not infringe privately owned rights.


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Reliability factors for ground electronic equipment. by Keith Henney Download PDF EPUB FB2

Study of reliability factors in electronic equipment. Commissioned by Rome Air Development Center at Griffiss Air Force Base, Rome, N. Chapters: Reliability Concepts, Causes of Unreliability, System Aspects, Mathematical Approaches to Reliability, Electrical and Electronic Factors, Mechanical and Environmental Factors, Human Engineering, Component Parts.

Reliability factors for ground electronic equipment by,McGraw-Hill edition, in English. Reliability factors for ground electronic equipment on FREE shipping on qualifying offers. Reliability factors for ground electronic equipment.

book factors for ground electronic equipment. - Vintage info from the age of vacuum tubes. Reliability is a discipline that continues to increase in importance as systems become more complex, support costs increase, and defense budgets decrease. Reliability has been a recognized performance factor for at least 50 years.

During World War II, the V-1 missile team, led. Reliability Reliability factors for ground electronic equipment. book Factors for Electronic Equipment "What if" questions are often asked regarding reliability figures of merit.

The tool provides a quick "back-of-the-envelope" estimate based on conversion factors found on page - of the USAF Rome Laboratory Reliability Engineer's Toolkit (Ref. 1), with this correction. Abstract: The problems and experiences from about thirty years in the reliability prediction of electronic equipment.

using MIL-HDBK and teaching reliability and maintainability theory in. Mil-Hdbk, Reliability Prediction of Electronic Equipment, and progeny, is not to be used as it has been shown to be unreliable and its use can lead to erroneous and misleading reliability predictions.

October U. Military View of Mil-Hdbk Decker, Assistant Secretary of the Army (Research, Development, and Acquisition). updating) field failure rate data on electronic Connectors, Relays, Switches, InductorsCoils, previously contained only in the Reliability Information Analysis Center (RIAC) Nonelectronic Part Reliability Data (NPRD) release.

Reliability data is required to perform reliability assessments of systems. The part types for which data. construction equipment reliability with Power law model and time series model, though it was focused on the comparison of these two research methods.

There is more research on the reliability of the plants or equipment in other industries such as mining and aviation industries.

With the development of computer science in the last. 1 The AOS Reliability Program In a power device application, high power is usually encountered. AOS strives to make power devices reliable for their intended application.

In order to achieve this goal, the reliability activities are spread throughout all phases of a products lifetime. Design-in of Reliability. A convenient criterion for a poor antenna, i. a good ground wire, is that its length be l10 or less.

Thus, a recommended goal in the design of an effective grounding system is to maintain ground wires exposed to potentially interfering signals at lengths less than 110 of a wavelength of the interfering signal.

Mechanical equipment reliability is more sensitive to loading, operating mode and utilization rate than electronic equipment reliability. Failure rate data based on operating time alone are usually inadequate for a reliability prediction of mechanical equipment. Definition of failure for mechanical equipment depends upon its application.

in an electronic circuit designers can limit the pressure placed on a device and thus prevent it from being damaged or destroyed. SUMMARY: The resistor is an electronic component that has electrical friction. This friction opposes the flow of electrons and thus reduces the voltage (pressure) placed on other electronic.

Automotive electronics reliability, SP (February): Discusses reliability modeling of automotive wiring harnesses. Electronics Reliability Subcommittee.

Automotive electronics reliability handbook. Warrendale, PA: Society of Automotive Engineers, Inc. This book is extremely useful when trying to learn about electronic reliability.

Electronic Equipment Failures: Cause, Effect and Resolution Research shows that every 18 oF rise in temperature in an electrical enclosure reduces the reliability of the electronic The Vortec Heat Load Calculator incorporates all of these factors into an easy-to-use calculator. [adsense:block:AdSense1] All part reliability models include the effects of environmental stresses through the environmental factor πE (except for the effect of ionizing radiation).

The descriptions of these environments are shown in the following table. The πE factor is quantified within each part failure rate model. These environments encompass the major areas of equipment.

Composite System Reliability Evaluation 2. A four unit hydro plant serves a remote load through two transmission lines. The four units are connected to a single step-up transformer which is then connected to two transmission lines. The remote load has a daily peak load variation curve which is a straight line from the to the 60 point.

electric power distribution systems are discussed in Gold Book. Reliability analysis based on probability methods, fundamentals of power system reliability evaluation, economic evaluation of reliability, cost of power outage data, equipment reliability data, and examples of reliability analysis are discussed in detail.

electronics reliability are discussed, respectively, which cover from physics-of-failure(PoF) analysis of critical power electronic components, state-of-the-art design for reliability process and robustness validation, and intelligent control and condition monitoring to achieve improved reliability.

same ground references as the electronic load equipment. Heating, ventilation, air conditioning, process cooling equipment, related metal piping and electrical conduits are recommended to be bonded to the same ground reference serving the electronic load equipment.

Once the grounding complies with the safety rules, the ground connections have to. System reliability models typically use average equipment failure rates. Even if these models are calibrated based on historical reliability indices, all-like components within a calibrated region.

Grounding Equipment Ground metal enclosures and exposed metal parts of electrical instruments in accordance with OSHA rules and regulations as specified in Design Safety Standards for Electrical Systems, 29 CFR, PartSubpart S, dated: Ap (OSHA rulings are in agreement with the National Electrical Code).

The term ground is one of the most frequently used words in electronics, and its also one of its most-often misused and misunderstood terms.

Fortunately, in many cases of misuse, the engineers using it know what it actually being referred to, and are able to translate it internally and so avoid negative consequences.

K-factor ratings range between 1 and A standard transformer designed for linear loads is said to have a K-factor of 1.

The higher the K-factor, the more heat from harmonic currents the transformer is able to handle. Making the right selection of K-factor is very important, because it affects cost and safety.

An effective equipment-grounding system should, under conditions of maximum ground-fault current flow, accomplish the following objectives: 1. maintain a low potential difference, perhaps 50 volts maximum, between machine frames, equipment enclosures, conductor enclosures, building metallic structure, and metallic components contained therein to avoid electric shock hazard and unwanted.

The equipment ground also provides a zero-voltage reference for the logic circuits in the equipment. Figure 3 below illustrates the same VAC circuit under a ground fault condition.

When a ground fault occurs, the equipment-grounding conductor becomes the. stress-related failure modes of post-silicon power electronic (PE) devices such as silicon carbide (SiC) and gallium nitride (GaN) switches.

Seek opportunities for condition monitoring (CM) and prognostics and health management (PHM) to further enhance the reliability of power electronics devices and equipment.

CM: detect anomalies. The economic benefit of reliability in engine electrical equipment is a product of application, design and technology, but it is also dependent upon knowing limitations of the individual components of the systems, the interrelationships of the systems, and the ability to identify and specify new requirements that result from new use concepts permitted by increased perfection in engines and.

Test equipment can help solve a problem and it can "lead to frustration," "give an incorrect answer," "mess you up," and make things worse.

You have to be very careful with test equipment and especially EXPENSIVE equipment because it is very sensitive and can detect pulses and glitches and voltages that are not affecting the operation of the.

Industrial electronics for instance, the power stage of a variable speed drive is a powerful source of electromagnetic emission (Wunsch et al. ; Shakweh, ). This electromagnetic noise could be emitted due to rapid switching of high voltage and current.

Sanders et al. () explain that thyristors are relatively slow switches. This chapter discusses the airworthiness.

For an aircraft, or aircraft part (airworthiness), is the possession of the necessary requirements for flying in safe conditions, within allowable limits. In this definition, three key elements deserve special consideration: safe conditions, possession of the necessary requirements, and allowable limits.

Proceedings of the Annual Reliability and Maintainability Symposium, About the Author. Larry H. Crow is an independent consultant as well as an instructor and consultant for ReliaSoft in the areas of reliability growth and repairable systems analysis.

He developed the Crow (AMSAA) model and other reliability models, which have. Q factors being more desirable here due to the need to avoid resonances.

EPCOS provides suitable inductive components for all applications. This data book contains a wide selection of standard components, from SMT types (starting with SIMID ) right up to the 4-line high-current inductors for power electronics applications.

The book series Lecture Notes in Electrical Engineering (LNEE) publishes the latest developments in Electrical Engineering - quickly, informally and in high quality. While original research reported in proceedings and monographs has traditionally formed the core of LNEE, we also encourage authors to submit books devoted to supporting student education and professional training in the various.

A good equipment reliability process is an important factor in enabling a company to be the low-cost, high-quality producer. Failure Mode: Commitment Falters over Time When mangers fail in the implementation of the reliability process, it allows other failure modes to begin eroding the program.

NERC. Mission Statement Rich HTML Content. The vision for the Electric Reliability Organization Enterprise, which is comprised of NERC and the six Regional Entities, is a highly reliable and secure North American bulk power system. Our mission is to assure the effective and efficient reduction of risks to the reliability and security of the grid.

We provide side-by-side reliability and maintenance consulting and training designed to keep your equipment running. For over 45 years, weve partnered with s of manufacturing plants around the world to eliminate the costs and the pressure caused by unreliable equipment.

Earthing system. An earthing system (UK and IEC) or grounding system (US) connects specific parts of an electric power system with the ground, typically the Earth's conductive surface, for safety and functional purposes. The choice of earthing system can affect the safety and electromagnetic compatibility of the installation.

Adopting our high-level optimization-driven approach you can achieve the best result while dramatically reducing both development costs and time-to-market. Our Design Optimization technology includes a wide set of methods (Design of Experiments, Response Surface Models, Multiobjective and Multidisciplinary Design Optimization) to drive.

Very high frequency omni-directional range (VOR) is a type of short-range radio navigation system for aircraft, enabling aircraft with a receiving unit to determine its position and stay on course by receiving radio signals transmitted by a network of fixed ground radio uses frequencies in the very high frequency (VHF) band from to MHz.  What is reliability testing for electronic hardware?

The idea is to get the product to function in extreme conditions (temperature, humidity, vibrations), in order to see if/when it fails.

Ideally, the tests should mimic the normal use of the product. The best time to run such tests is typically in the pre-production stage, once all the.The Importance of Electrical Grounding. Grounding your electrical systems is critical to protect both building occupants and equipment from the danger of high voltage.

When a conductive surface, like metal, is not grounded and becomes electrically energized, it can carry sufficient voltage to administer a .