My subscriptions: Analytics & Calculations

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Add Six Sigma calculations

As a quality engineer, I need the ability to calculate Six Sigma SQC statitistics for key quality attirbutes. Cp, Cpu, Cpl, Pp, Ppk

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 1 No status

60 VOTE

More functions to support operations on arrays

The arrays in Expression and Event Frame Generation analyses are useful, but use cases are emerging where more functions are needed to reduce/calculate the arrays in more streamlined fashion. For example, Concat function should support array of ch...

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 19 No status

59 VOTE

PI Analysis Performance Checker

Currently PI Analysis Service has a built-in Statistics tool in PI System Explorer. It is able to show statistics regarding Evaluation and Calculation Lag as well as Skipped Evaluations and some other important information. PI System Explorer ...

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 1 No status

57 VOTE

Percentile function

As a user of analyses, I would like to have a Percentile function so that I can filter out atypical events when doing summary calls. The function would look like this: Percentile('attribute', 'timerange', value). This is related to enhancement req...

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 4 No status

57 VOTE

Improve Asset Analytics Data Cache performance to handle large scale changes

There is a considerable amount of downtime in our system (20+ minutes) when a template change is performed. The root cause is a limitation on how the analysis service handles the removal of AF Attributes from the Data Cache. Due to this limitation...

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 2 Evaluating

52 VOTE

Enlarge area for editing analysis expressions

When editing an Analysis Expression, only 4.5 lines appear. It would helpful if more lines appeared (greater than 20 lines).

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 5 No status

51 VOTE

Allow writing arrays as a time series to an output

I would like to be able to configure outputs in an analysis to write at multiple time points (which are defined by the result of an array function). My use case is to: 1. Configure an attribute as a Time Series Table Lookup 2. Create an analysi...

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 2 Tell us more

50 VOTE

Selectable Write Mode for Analyses

As an analysis user I would like to define what should happen if multiple triggers occur with the same timestamp. Currently AF analysis are using "Replace" mode when writing to the archive (meaning if multiple triggers have the same timestamp, the...

phsutter over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 6 No status

48 VOTE

PI AF - Child Event Frames using different template to parent

We currently have Event Frames generating for machine faults, with child event frames then tracking things such as maintenance team response time etc. Leveraging this data in excel reports is proving difficult however due to the Child Event Frame...

alan.mccarthy over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 3 Declined

45 VOTE

Which tags are being used by a PI Analysis

As a PI Administrator, I want to know which tags are being used at which PI Analysis so I can know exactly if there is already another Analysis writing to a tag and avoid duplicated or wrong data.

Guest over 2 years ago in AVEVA™ PI Server / Analytics & Calculations 10 No status

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