ALTADataSet.AddFailureInterval

Adds a failure interval and associated stress level to the data set.

Syntax

• AddFailureInterval( StartValue As Double , EndValue As Double , NumberInGroup As Integer , Stress() As Object ) Adds interval censored failures to the data set, using the specified start/end times, the number of failures during the interval and an array of stress values/profiles for all the stresses.
• AddFailureInterval( StartValue As Double , EndValue As Double , NumberInGroup As Integer , Stress1 As Object ) Adds interval censored failures to the data set, using the specified start/end times, the number of failures during the interval and a single stress value/profile.
• AddFailureInterval( StartValue As Double , EndValue As Double , NumberInGroup As Integer , Stress1 As Object , Stress2 As Object ) Adds interval censored failures to the data set, using the specified start/end times, the number of failures during the interval and two stress values/profiles.

Parameters

StartValue: The starting value of this failure interval.

EndValue: The ending value of this failure interval.

NumberInGroup: The number of units that failed during this interval.

Stress(): An array containing numeric stress values or references to added ALTAStressProfiles.

Stress1: A numeric stress value or reference to an added ALTAStressProfile.

Stress2: A numeric stress value or reference to an added ALTAStressProfile.

Usage Example

 'Declare a new ALTADataSet object. See ALTADataSet. 
 Dim ADS As New ALTADataSet("AddFailure_Example")
 
 'Define a new stress. See AddStressDefinition. 
 ADS.AddStressDefinition("Stress1")

 'Add 2 interval censored data points at stress = 100 to the data set. 
 'The failures occurred between time= 10 and time = 20. 
 ADS.AddSuspensions(10, 20, 2, 100)