Related Topics:

ALTA Standard Folio Control Panel

ALTA Single-Stress Example

ALTA Quick Calculation Pad (QCP)

The Quick Calculation Pad (QCP) provides a quick and accurate way of calculating a variety of useful reliability metrics. To access the tool, click the QCP icon on the Main page of the control panel.

This topic includes the following sections:

How to Use the QCP

To use the QCP, do the following:

Confidence bounds

If you select Both One-Sided, the QCP will calculate both the lower one-sided bound and the upper one-sided bound.

QCP with Captions on
Figure 1: QCP window with Captions on.

QCP with Captions off
Figure 2: QCP window with Captions off.

Under the log display, you can also click Feed to "advance the tape" or Clear to delete all data from the current log. If you click inside the log, you can copy some or all of the text to the clipboard.

QCP Calculations

There are several types of calculations you can perform in the standard folio QCP. The calculations are based on the estimated parameters and other information from the current data sheet. Each type of calculation may require additional user inputs in order to solve for the metric of interest.

Probability

Reliability

Probability of Failure

Conditional Reliability

Conditional Probability of Failure

Life

Reliable Life

BX% Life

Mean Life

Rate

Failure Rate

Acceleration

Acceleration Factor

Bounds

Parameter Bounds

 

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