Parts count method calculation, Computer Networking

Assignment Help:

 

METHOD OF CALCULATION

It involves counting the number of each part type and multiplying with the generic failure rate of each part. On summing up the product, we obtain the failure rate of each functional circuit.

The information needed to apply the method is:

(1) Generic failure rate

(2) Part Quality level

(3) Equipment Environment

The equipment failure rate is obtained by looking up a generic failure rate in Table - 4.1, multiplying it by quality factor, and then summing it with failure rate obtained by other components. The general mathematical expression for equipment failure rate with this method is:

1534_PARTS COUNT METHOD Calculation.jpg

Above equation is applied, when the entire equipment is being used in one environment. If the equipment comprises several units operating in different environments, (such as avionics systems with units in airborne inhabited or uninhabited  environment), then this equation should be applied to the period of the equipment in each environment. These "environment equipment" failure rates should be added to determine total .the same values that are used in part stress analysis. Microcircuits  have  an  additional  multiplying  factor,  πL,  which  accounts  for maturity of the manufacturing process. For devices that are in production for two years or more, there is no need to apply learning factor. For those in production less than two years, λg should be multiplied by learning factor πL 

 

 


Related Discussions:- Parts count method calculation

Troubleshoot and correct vtp and configuration errors-ccna, Troubleshoot an...

Troubleshoot and Correct VTP and Configuration Errors When all errors are corrected, you should be capable to ping PC4 from PC1, PC5 from PC2, and PC6 from PC3. You should also

Show the masking process, Q. Show the Masking process? Masking ...

Q. Show the Masking process? Masking Take out the address of the physical network from an IP address Used by routers inside the organization

Comparison of connection-oriented and connectionless, CONNECTION-ORIENTED: ...

CONNECTION-ORIENTED: Accounting is simpler. Application can learn of network causes immediately. CONNECTIONLESS: It has fewer load. It is easier to cre

Function of the transport system and workbench organizer, What is the funct...

What is the function of the transport system and workbench organizer? The function of the transport system and the Workbench Organizer is to handle any changes made to objects

Explain about lan, What is a LAN? A LAN is a Local Area Network, within...

What is a LAN? A LAN is a Local Area Network, within a single building or a specific confined space. LANs typically comprise only one transmission media type like coaxial cable

What are the major technologies to create client application, What are the ...

What are the five major technologies that can be used to create Client/Server applications? Database Servers Groupware TP Monitors Distributed Objects Intranets.

link layer - computer network, Link Layer To move  to packet  from o...

Link Layer To move  to packet  from one node( host  or packet swtich0 to  net node  in the  route the network  layer  relies  on the  services  of the link layer. Particularl

Physical media - computer network, Physical Media In order  to define ...

Physical Media In order  to define what is meant by a physical medium let us reflect on the brief life of a bit. Consider  a bit travelling from one end system through a serie

Configure the physical topology- ccna, Configure the Physical Topology ...

Configure the Physical Topology Step 1: Cable the network. Refer to the figure and table below for the essential cables. Step 2: Physically connect lab devices. C

Explain how reducing ineffective taxation, Question: (a) With mobile t...

Question: (a) With mobile telecommunications providing an important engine for growth, continuing to stimulate growth and to ensure mobiles remain affordable for all, will re

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd