Xfmea Risk Discovery Analysis Example - Revision history

Lisa Hacker: Replaced content with "A newer version of this article is now available in the [https://help.reliasoft.com/articles/content/hotwire/issue111/relbasics111.htm ReliaSoft Articles Archive]. Please update any links and references."

2024-01-17T00:37:54Z

Replaced content with "A newer version of this article is now available in the [https://help.reliasoft.com/articles/content/hotwire/issue111/relbasics111.htm ReliaSoft Articles Archive]. Please update any links and references."

← Older revision		Revision as of 00:37, 17 January 2024
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	~~{{Banner Xfmea Examples}}__NOTOC__~~		A newer version of this article is now available in the [https://help.reliasoft.com/articles/content/hotwire/issue111/relbasics111.htm ReliaSoft Articles Archive]. Please update any links and references.
	~~Let’s examine the new Risk Discovery analysis feature~~ in Xfmea through a fictional example. Suppose that a technology company is developing a new complex product. It is a multi-function printer that prints, copies, scans and has several other features, such as scan to e-mail, document management, etc.

	~~===System Hierarchy===~~
	~~The figure below shows~~ the ~~system hierarchy, with some subsystems fully expanded down to the component level and others collapsed at the subsystem level.~~
	[~~[Image~~:~~Printer System for FMEA Example~~.~~png\|center\|562px\|]]~~

	~~===System FMEA===~~
	~~As a best practice, the team first conducts an FMEA at the top (system) level in order to address any potential problems related to interactions and interfaces~~. Starting the analysis at lower levels has been proven to be a practice that can lead to omission of interactions between subsystems. In most complex systems, interactions will account for more than 50% of the total failure modes that the system will experience. In such cases, it is essential to start with a top-down approach.

	~~===Risk Discovery Analysis===~~
	Once the top (system) level FMEA has been completed, the next question that the FMEA team faces is which subsystems and components to focus on. This is where the Risk Discovery feature in Xfmea is used. The team adds a Risk Discovery analysis for each of the main subsystems of the product: the printing system, the copying system, the scanning system and the document management system. Xfmea supports two configurable methods for this type of analysis: a set of yes/~~no questions (where a yes answer indicates that the assembly~~/~~component poses a risk that warrants more detailed analysis) or a set of predefined rating scales (which can be used to calculate an overall rating for each assembly~~/~~component)~~.

	~~====Using Questions====~~
	~~For this example, we will assume that the organization has selected to use the Questions tab with the sample questions that are shipped by default with the software~~. These questions address the issues that would typically be considered with a change point analysis approach (e.g., new technology, new application, historical problems and supplier capability), together with other relevant issues (e.g., safety, regulatory requirements and mission criticality).

	When the team uses the questions to discuss each subsystem, they determine that the assemblies with the highest risk are the printing system followed by the document management system. The copying and scanning systems are highly leveraged from previous designs and as a result they were graded lower in terms of risk. The assemblies that will receive subsystem level FMEAs will be marked by selecting the '''Mark item for more detailed analysis''' check box. This will give the team a clear path of where to focus their FMEA efforts first.

	The next figure shows the analysis for the printing system. Notice that because the subsystem was marked for more detailed analysis, a red icon appears next to it in the Risk Discovery Analysis column of the System Hierarchy tab. The number 6 next to this icon is the total of questions answered with a "Yes," which provides an indication of the risk associated with this system (higher number = more risk).

	~~[[Image:Printer System for FMEA Example 1.png\|center\|800px\|]]~~

	~~====Using Ratings====~~
	~~If the rating scales method were used instead, a risk rating scale would be assigned for each factor, as shown in the figure below~~. ~~In this case, the number 12 next to the red icon is the sum of the selected rating numbers, which also provides an indication of the level of risk.~~
	~~[[Image:Printer System for FMEA Example 2.png\|center\|800px\|]]~~

Richard House: /* Using Ratings */

2016-10-18T18:06:55Z

Using Ratings

← Older revision		Revision as of 18:06, 18 October 2016
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	====Using Ratings====		====Using Ratings====
	If the rating scales method were used instead, a risk rating scale would be assigned for each factor, as shown in the figure below. In this case, the number 12 next to the red icon is the sum of the selected rating numbers, which also provides an indication of the level of risk.		If the rating scales method were used instead, a risk rating scale would be assigned for each factor, as shown in the figure below. In this case, the number 12 next to the red icon is the sum of the selected rating numbers, which also provides an indication of the level of risk.
	[[Image:Printer System for FMEA Example 2.png\|center\|~~650px~~\|]]		[[Image:Printer System for FMEA Example 2.png\|center\|800px\|]]

Richard House: /* Using Questions */

2016-10-18T18:06:24Z

Using Questions

← Older revision		Revision as of 18:06, 18 October 2016
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	The next figure shows the analysis for the printing system. Notice that because the subsystem was marked for more detailed analysis, a red icon appears next to it in the Risk Discovery Analysis column of the System Hierarchy tab. The number 6 next to this icon is the total of questions answered with a "Yes," which provides an indication of the risk associated with this system (higher number = more risk).		The next figure shows the analysis for the printing system. Notice that because the subsystem was marked for more detailed analysis, a red icon appears next to it in the Risk Discovery Analysis column of the System Hierarchy tab. The number 6 next to this icon is the total of questions answered with a "Yes," which provides an indication of the risk associated with this system (higher number = more risk).

	[[Image:Printer System for FMEA Example 1.png\|center\|~~650px~~\|]]		[[Image:Printer System for FMEA Example 1.png\|center\|800px\|]]

	====Using Ratings====		====Using Ratings====
	If the rating scales method were used instead, a risk rating scale would be assigned for each factor, as shown in the figure below. In this case, the number 12 next to the red icon is the sum of the selected rating numbers, which also provides an indication of the level of risk.		If the rating scales method were used instead, a risk rating scale would be assigned for each factor, as shown in the figure below. In this case, the number 12 next to the red icon is the sum of the selected rating numbers, which also provides an indication of the level of risk.
	[[Image:Printer System for FMEA Example 2.png\|center\|650px\|]]		[[Image:Printer System for FMEA Example 2.png\|center\|650px\|]]

Richard House: /* System Hierarchy */

2016-10-18T18:04:16Z

System Hierarchy

← Older revision		Revision as of 18:04, 18 October 2016
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	===System Hierarchy===		===System Hierarchy===
	The figure below shows the system hierarchy, with some subsystems fully expanded down to the component level and others collapsed at the subsystem level.		The figure below shows the system hierarchy, with some subsystems fully expanded down to the component level and others collapsed at the subsystem level.
	[[Image:Printer System for FMEA Example.png\|center\|~~400px~~\|]]		[[Image:Printer System for FMEA Example.png\|center\|562px\|]]

	===System FMEA===		===System FMEA===

Lisa Hacker: /* Using Questions */

2012-08-20T00:09:58Z

Using Questions

← Older revision		Revision as of 00:09, 20 August 2012
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	Once the top (system) level FMEA has been completed, the next question that the FMEA team faces is which subsystems and components to focus on. This is where the Risk Discovery feature in Xfmea is used. The team adds a Risk Discovery analysis for each of the main subsystems of the product: the printing system, the copying system, the scanning system and the document management system. Xfmea supports two configurable methods for this type of analysis: a set of yes/no questions (where a yes answer indicates that the assembly/component poses a risk that warrants more detailed analysis) or a set of predefined rating scales (which can be used to calculate an overall rating for each assembly/component).		Once the top (system) level FMEA has been completed, the next question that the FMEA team faces is which subsystems and components to focus on. This is where the Risk Discovery feature in Xfmea is used. The team adds a Risk Discovery analysis for each of the main subsystems of the product: the printing system, the copying system, the scanning system and the document management system. Xfmea supports two configurable methods for this type of analysis: a set of yes/no questions (where a yes answer indicates that the assembly/component poses a risk that warrants more detailed analysis) or a set of predefined rating scales (which can be used to calculate an overall rating for each assembly/component).

	=====Using Questions=====		====Using Questions====
	For this example, we will assume that the organization has selected to use the Questions tab with the sample questions that are shipped by default with the software. These questions address the issues that would typically be considered with a change point analysis approach (e.g., new technology, new application, historical problems and supplier capability), together with other relevant issues (e.g., safety, regulatory requirements and mission criticality).		For this example, we will assume that the organization has selected to use the Questions tab with the sample questions that are shipped by default with the software. These questions address the issues that would typically be considered with a change point analysis approach (e.g., new technology, new application, historical problems and supplier capability), together with other relevant issues (e.g., safety, regulatory requirements and mission criticality).

Lisa Hacker: /* Using Questions */

2012-08-20T00:09:45Z

Using Questions

← Older revision		Revision as of 00:09, 20 August 2012
Line 12:		Line 12:
	Once the top (system) level FMEA has been completed, the next question that the FMEA team faces is which subsystems and components to focus on. This is where the Risk Discovery feature in Xfmea is used. The team adds a Risk Discovery analysis for each of the main subsystems of the product: the printing system, the copying system, the scanning system and the document management system. Xfmea supports two configurable methods for this type of analysis: a set of yes/no questions (where a yes answer indicates that the assembly/component poses a risk that warrants more detailed analysis) or a set of predefined rating scales (which can be used to calculate an overall rating for each assembly/component).		Once the top (system) level FMEA has been completed, the next question that the FMEA team faces is which subsystems and components to focus on. This is where the Risk Discovery feature in Xfmea is used. The team adds a Risk Discovery analysis for each of the main subsystems of the product: the printing system, the copying system, the scanning system and the document management system. Xfmea supports two configurable methods for this type of analysis: a set of yes/no questions (where a yes answer indicates that the assembly/component poses a risk that warrants more detailed analysis) or a set of predefined rating scales (which can be used to calculate an overall rating for each assembly/component).

	====Using Questions====		=====Using Questions=====
	For this example, we will assume that the organization has selected to use the Questions tab with the sample questions that are shipped by default with the software. These questions address the issues that would typically be considered with a change point analysis approach (e.g., new technology, new application, historical problems and supplier capability), together with other relevant issues (e.g., safety, regulatory requirements and mission criticality).		For this example, we will assume that the organization has selected to use the Questions tab with the sample questions that are shipped by default with the software. These questions address the issues that would typically be considered with a change point analysis approach (e.g., new technology, new application, historical problems and supplier capability), together with other relevant issues (e.g., safety, regulatory requirements and mission criticality).

Lisa Hacker at 00:09, 20 August 2012

2012-08-20T00:09:00Z

← Older revision		Revision as of 00:09, 20 August 2012
Line 1:		Line 1:
	{{Banner Xfmea Examples}}~~{{No TOC}}~~		{{Banner Xfmea Examples}}__NOTOC__
	Let’s examine the new Risk Discovery analysis feature in Xfmea through a fictional example. Suppose that a technology company is developing a new complex product. It is a multi-function printer that prints, copies, scans and has several other features, such as scan to e-mail, document management, etc.		Let’s examine the new Risk Discovery analysis feature in Xfmea through a fictional example. Suppose that a technology company is developing a new complex product. It is a multi-function printer that prints, copies, scans and has several other features, such as scan to e-mail, document management, etc.

Lisa Hacker at 00:07, 20 August 2012

2012-08-20T00:07:04Z

← Older revision		Revision as of 00:07, 20 August 2012
Line 1:		Line 1:
	{~~\| class="FCK__ShowTableBorders" border="0" cellspacing="0" cellpadding="0" align="center"; style="width:100%;"~~		{{Banner Xfmea Examples}}{{No TOC}}
	\|-
	~~\| valign="middle" align="left" bgcolor=EEEDF7\|[[Image:Xfmea_Examples_Banner.png\|400px\|center]]~~
	\|}
	~~<br>~~
	Let’s examine the new Risk Discovery analysis feature in Xfmea through a fictional example. Suppose that a technology company is developing a new complex product. It is a multi-function printer that prints, copies, scans and has several other features, such as scan to e-mail, document management, etc.		Let’s examine the new Risk Discovery analysis feature in Xfmea through a fictional example. Suppose that a technology company is developing a new complex product. It is a multi-function printer that prints, copies, scans and has several other features, such as scan to e-mail, document management, etc.

			===System Hierarchy===
	The figure below shows the system hierarchy, with some subsystems fully expanded down to the component level and others collapsed at the subsystem level.		The figure below shows the system hierarchy, with some subsystems fully expanded down to the component level and others collapsed at the subsystem level.
	[[Image:Printer System for FMEA Example.png\|center\|400px\|]]		[[Image:Printer System for FMEA Example.png\|center\|400px\|]]

Lisa Hacker at 00:06, 20 August 2012

2012-08-20T00:06:02Z

← Older revision		Revision as of 00:06, 20 August 2012
Line 9:		Line 9:
	[[Image:Printer System for FMEA Example.png\|center\|400px\|]]		[[Image:Printer System for FMEA Example.png\|center\|400px\|]]

			===System FMEA===
	As a best practice, the team first conducts an FMEA at the top (system) level in order to address any potential problems related to interactions and interfaces. Starting the analysis at lower levels has been proven to be a practice that can lead to omission of interactions between subsystems. In most complex systems, interactions will account for more than 50% of the total failure modes that the system will experience. In such cases, it is essential to start with a top-down approach.		As a best practice, the team first conducts an FMEA at the top (system) level in order to address any potential problems related to interactions and interfaces. Starting the analysis at lower levels has been proven to be a practice that can lead to omission of interactions between subsystems. In most complex systems, interactions will account for more than 50% of the total failure modes that the system will experience. In such cases, it is essential to start with a top-down approach.

			===Risk Discovery Analysis===
	Once the top (system) level FMEA has been completed, the next question that the FMEA team faces is which subsystems and components to focus on. This is where the Risk Discovery feature in Xfmea is used. The team adds a Risk Discovery analysis for each of the main subsystems of the product: the printing system, the copying system, the scanning system and the document management system. Xfmea supports two configurable methods for this type of analysis: a set of yes/no questions (where a yes answer indicates that the assembly/component poses a risk that warrants more detailed analysis) or a set of predefined rating scales (which can be used to calculate an overall rating for each assembly/component).		Once the top (system) level FMEA has been completed, the next question that the FMEA team faces is which subsystems and components to focus on. This is where the Risk Discovery feature in Xfmea is used. The team adds a Risk Discovery analysis for each of the main subsystems of the product: the printing system, the copying system, the scanning system and the document management system. Xfmea supports two configurable methods for this type of analysis: a set of yes/no questions (where a yes answer indicates that the assembly/component poses a risk that warrants more detailed analysis) or a set of predefined rating scales (which can be used to calculate an overall rating for each assembly/component).

			====Using Questions====
	For this example, we will assume that the organization has selected to use the Questions tab with the sample questions that are shipped by default with the software. These questions address the issues that would typically be considered with a change point analysis approach (e.g., new technology, new application, historical problems and supplier capability), together with other relevant issues (e.g., safety, regulatory requirements and mission criticality).		For this example, we will assume that the organization has selected to use the Questions tab with the sample questions that are shipped by default with the software. These questions address the issues that would typically be considered with a change point analysis approach (e.g., new technology, new application, historical problems and supplier capability), together with other relevant issues (e.g., safety, regulatory requirements and mission criticality).

Line 21:		Line 24:
	[[Image:Printer System for FMEA Example 1.png\|center\|650px\|]]		[[Image:Printer System for FMEA Example 1.png\|center\|650px\|]]

			====Using Ratings====
	If the rating scales method were used instead, a risk rating scale would be assigned for each factor, as shown in the figure below. In this case, the number 12 next to the red icon is the sum of the selected rating numbers, which also provides an indication of the level of risk.		If the rating scales method were used instead, a risk rating scale would be assigned for each factor, as shown in the figure below. In this case, the number 12 next to the red icon is the sum of the selected rating numbers, which also provides an indication of the level of risk.
	[[Image:Printer System for FMEA Example 2.png\|center\|650px\|]]		[[Image:Printer System for FMEA Example 2.png\|center\|650px\|]]

Lisa Hacker at 00:03, 20 August 2012

2012-08-20T00:03:45Z

← Older revision		Revision as of 00:03, 20 August 2012
Line 17:		Line 17:
	When the team uses the questions to discuss each subsystem, they determine that the assemblies with the highest risk are the printing system followed by the document management system. The copying and scanning systems are highly leveraged from previous designs and as a result they were graded lower in terms of risk. The assemblies that will receive subsystem level FMEAs will be marked by selecting the '''Mark item for more detailed analysis''' check box. This will give the team a clear path of where to focus their FMEA efforts first.		When the team uses the questions to discuss each subsystem, they determine that the assemblies with the highest risk are the printing system followed by the document management system. The copying and scanning systems are highly leveraged from previous designs and as a result they were graded lower in terms of risk. The assemblies that will receive subsystem level FMEAs will be marked by selecting the '''Mark item for more detailed analysis''' check box. This will give the team a clear path of where to focus their FMEA efforts first.

	The next figure shows the analysis for the printing system. Notice that because the subsystem was marked for more detailed analysis, a red ~~exclamation sign~~ appears next to it in the Risk Discovery Analysis column of the System Hierarchy tab. The number 6 next to this ~~sign~~ is the total of questions answered with a "Yes", which provides an indication of the risk associated with this system (higher number = more risk).		The next figure shows the analysis for the printing system. Notice that because the subsystem was marked for more detailed analysis, a red icon appears next to it in the Risk Discovery Analysis column of the System Hierarchy tab. The number 6 next to this icon is the total of questions answered with a "Yes," which provides an indication of the risk associated with this system (higher number = more risk).

	[[Image:Printer System for FMEA Example 1.png\|center\|650px\|]]		[[Image:Printer System for FMEA Example 1.png\|center\|650px\|]]

	If the rating scales method were used instead, a risk rating scale would be assigned for each factor, as shown in the figure below. In this case, the number 12 next to the red ~~exclamation sign~~ is the sum of the selected rating numbers, which also provides an indication of the level of risk.		If the rating scales method were used instead, a risk rating scale would be assigned for each factor, as shown in the figure below. In this case, the number 12 next to the red icon is the sum of the selected rating numbers, which also provides an indication of the level of risk.
	[[Image:Printer System for FMEA Example 2.png\|center\|650px\|]]		[[Image:Printer System for FMEA Example 2.png\|center\|650px\|]]