BlockSim Example: CM Triggered by Subsystem Down - Revision history

Richard House: /* Block Up/Down plot */

2012-08-06T07:26:39Z

Block Up/Down plot

← Older revision		Revision as of 07:26, 6 August 2012
Line 63:		Line 63:
	#...		#...

	<br> [[Image:CM triggered by subsystem down (subdiagram solution) Up Down plot.png~~\|thumb~~\|center\|600px]]		<br> [[Image:CM triggered by subsystem down (subdiagram solution) Up Down plot.png\|center\|600px]]

Richard House: /* BlockSim Solution */

2012-08-06T07:26:25Z

BlockSim Solution

← Older revision		Revision as of 07:26, 6 August 2012
Line 41:		Line 41:
	The BlockSim model of this system is shown in the figure below.		The BlockSim model of this system is shown in the figure below.

	[[Image:CM_triggered_by_subsystem_down_(subdiagram_solution)_Main.png~~\|thumb~~\|center\|500px]]		[[Image:CM_triggered_by_subsystem_down_(subdiagram_solution)_Main.png\|center\|500px]]

	By using a subdiagram, we can break the limitation in method 1.		By using a subdiagram, we can break the limitation in method 1.

Richard House: /* Block Up/Down plot */

2012-08-06T07:26:14Z

Block Up/Down plot

← Older revision		Revision as of 07:26, 6 August 2012
Line 33:		Line 33:
	#...		#...

	<br> [[Image:CM triggered by susbystem failure Up Down plot.png~~\|thumb~~\|center\|600px]]		<br> [[Image:CM triggered by susbystem failure Up Down plot.png\|center\|600px]]

	=== Method 2: With subdiagram ===		=== Method 2: With subdiagram ===

Richard House: /* BlockSim Solution */

2012-08-06T07:26:01Z

BlockSim Solution

← Older revision		Revision as of 07:26, 6 August 2012
Line 11:		Line 11:
	The BlockSim modeling of this system is shown in the figure below.		The BlockSim modeling of this system is shown in the figure below.

	[[Image:System_CM_triggered_by_subsystem_down.png‎~~\|thumb~~\|center\|500px]]		[[Image:System_CM_triggered_by_subsystem_down.png‎\|center\|500px]]

	*The reliability of all blocks follows a Weibull distribution with Beta = 1.5 and Eta = 500 hours.		*The reliability of all blocks follows a Weibull distribution with Beta = 1.5 and Eta = 500 hours.

Richard House: /* Block Up/Down plot */

2012-08-02T06:31:14Z

Block Up/Down plot

← Older revision		Revision as of 06:31, 2 August 2012
Line 53:		Line 53:
	====  Block Up/Down plot ====		====  Block Up/Down plot ====

	The system event log is shown in the figure below:		The system event log is shown in the figure below and explained next:

	#At 13 hours, Block C fails. Since subsystem ABC doesn't fail, Block C waits for repair.		#At 13 hours, Block C fails. Since subsystem ABC doesn't fail, Block C waits for repair.

Richard House: /* Block Up/Down plot */

2012-08-02T06:31:05Z

Block Up/Down plot

← Older revision		Revision as of 06:31, 2 August 2012
Line 21:		Line 21:
	==== Block Up/Down plot ====		==== Block Up/Down plot ====

	The system event log is shown in the figure below:		The system event log is shown in the figure below and explained next:

	#At 271 hours, Block C fails and the repair is finished at 291 hours.		#At 271 hours, Block C fails and the repair is finished at 291 hours.

Richard House: /* Block Up/Down plot */

2012-08-02T06:19:58Z

Block Up/Down plot

← Older revision		Revision as of 06:19, 2 August 2012
Line 33:		Line 33:
	#...		#...

	<br> [[Image:CM triggered by susbystem failure Up Down plot.png\|thumb\|center\|~~550px~~]]		<br> [[Image:CM triggered by susbystem failure Up Down plot.png\|thumb\|center\|600px]]

	=== Method 2: With subdiagram ===		=== Method 2: With subdiagram ===

Richard House: /* Block Up/Down plot */

2012-08-02T06:19:44Z

Block Up/Down plot

← Older revision		Revision as of 06:19, 2 August 2012
Line 63:		Line 63:
	#...		#...

	<br> [[Image:CM triggered by subsystem down (subdiagram solution) Up Down plot.png\|thumb\|center\|~~500px~~]]		<br> [[Image:CM triggered by subsystem down (subdiagram solution) Up Down plot.png\|thumb\|center\|600px]]

Richard House: /* Block Up/Down plot */

2012-08-02T06:18:51Z

Block Up/Down plot

← Older revision		Revision as of 06:18, 2 August 2012
Line 53:		Line 53:
	====  Block Up/Down plot ====		====  Block Up/Down plot ====

	The system event log is shown in the figure below ~~and is as follows~~:		The system event log is shown in the figure below:

	#At 13 hours, Block C fails. Since subsystem ABC doesn't fail, Block C waits for repair.		#At 13 hours, Block C fails. Since subsystem ABC doesn't fail, Block C waits for repair.

Richard House: /* BlockSim Solution */

2012-08-02T06:17:36Z

BlockSim Solution

← Older revision		Revision as of 06:17, 2 August 2012
Line 47:		Line 47:
	*The reliability of all blocks follows a Weibull distribution with Beta = 1.5 and Eta = 100 hours.		*The reliability of all blocks follows a Weibull distribution with Beta = 1.5 and Eta = 100 hours.
	*The subdiagram block ABC belongs to maintenance group MG_ABC.		*The subdiagram block ABC belongs to maintenance group MG_ABC.
	*The corrective maintenance of Blocks A, B and C are set to "When found failed during an inspection". The corrective maintenance duration is 20 hours. Upon repair, they are as good as new.		*The corrective maintenance of Blocks A, B and C are set to "When found failed during an inspection." The corrective maintenance duration is 20 hours. Upon repair, they are as good as new.
	*An inspection is ~~setup~~ for Blocks A, B and C. The inspection is performed based on events in maintenance group MG_ABC. If any of the blocks in the maintenance group fail or if corrective maintenance starts for any of them, then the inspection is performed. The inspection duration is 30 hours. Upon inspection, the device is restored to the same condition it was in prior to the inspection (i.e, as bad as old).		*An inspection is set up for Blocks A, B and C. The inspection is performed based on events in maintenance group MG_ABC. If any of the blocks in the maintenance group fail or if corrective maintenance starts for any of them, then the inspection is performed. The inspection duration is 30 hours. Upon inspection, the device is restored to the same condition it was in prior to the inspection (i.e., as bad as old).
	*The corrective maintenance of Block D is performed upon the failure of Block D and the duration is 40 hours. It is as good as new upon repair.		*The corrective maintenance of Block D is performed upon the failure of Block D and the duration is 40 hours. It is as good as new upon repair.