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VHDL-AMS Statistical Analysis Packages
- Ground Vehicle Standard
- J2748_200610
- Issued
Downloadable datasets available
Annotation ability available
Sector:
Issuing Committee:
Language:
English
Scope
This document specifies the interface and the behavior of the VHDL-AMS packages for use in modeling statistical behavior. These packages are useful in defining the statistical variation of parameters of electrical, electronic, and mechatronic components and sub-systems. These can then be used with simulation tools to analyze the performance and reliability of systems composed of these components and sub-systems.
Providing a standard definition of the package interfaces and their behavior is intended to facilitate the exchange of models between component and system manufacturers and the use of different CAE simulation tools.
The SAE statistical package supports the statistical modeling of design parameters subject to tolerances for designs described using the VHDL or VHDL-AMS languages. The performance of a design that uses this package to model parameter tolerances may be analyzed by a Monte Carlo simulation, which consists of multiple simulation runs of the design, each run with a different set of parameter values according to their statistical distributions. The Monte Carlo simulation will yield an estimate of the behavior of the design subject to the parameter tolerances. Additionally, the package may be used to perform an Extreme Value Analysis of a design, that is, an analysis that computes the worst case behavior of the design.
The SAE statistical package does not support other statistical modeling needs, for example the modeling of statistical variations of the arrival of events in a queue, or any other situation where a value exhibits a statistical behavior during a single simulation.
Rationale
Not applicable.
Recommended Content
Topic
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Issuing Committee
Electronic Design Automation Standards Committee
The Electronic Design Automation Standards Committee reports to the Electrical Systems Group of the Motor Vehicle Council. The Committee is responsible for developing and maintaining SAE Standards, Recommended Practices, and Information Reports related to electronic design automation. The J2780 Model Based Embedded Systems Engineering Task Force have been developed under the committee's scope. Participants in the Electronic Design Automation Standards Committee include OEMs, suppliers, consulting firms, government, and other interested parties.
Reference
| Number | Title |
|---|---|
| IEEE1076.1 | This document is not part of the subscrption. |
| J2546 | This document is not part of the subscrption. |
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