systemcomposer.analysis.loadInstance

Load architecture instance

Syntax

instance = systemcomposer.analysis.loadInstance(fileName,overwrite)

Description

instance = systemcomposer.analysis.loadInstance(fileName,overwrite) loads an architecture instance from a MAT-file.

Note

This function is part of the instance programmatic interfaces that you can use to analyze the model iteratively, element-by-element. The instance refers to the element instance on which the iteration is being performed.

Examples

Load Architecture Instance from MAT-File

Create a profile for latency characteristics and save it.

profile = systemcomposer.profile.Profile.createProfile("LatencyProfile");

latencybase = profile.addStereotype("LatencyBase");
latencybase.addProperty("latency",Type="double");
latencybase.addProperty("dataRate",Type="double",DefaultValue="10");

connLatency = profile.addStereotype("ConnectorLatency",...
Parent="LatencyProfile.LatencyBase");
connLatency.addProperty("secure",Type="boolean");
connLatency.addProperty("linkDistance",Type="double");

nodeLatency = profile.addStereotype("NodeLatency",...
Parent="LatencyProfile.LatencyBase");
nodeLatency.addProperty("resources",Type="double",DefaultValue="1");

portLatency = profile.addStereotype("PortLatency",...
Parent="LatencyProfile.LatencyBase");
portLatency.addProperty("queueDepth",Type="double");
portLatency.addProperty("dummy",Type="int32");

profile.save

Instantiate all stereotypes in the profile.

model = systemcomposer.createModel("archModel");
systemcomposer.openModel("archModel");
instance = instantiate(model.Architecture,"LatencyProfile","NewInstance");

Save the architecture instance.

instance.save("InstanceFile");

Delete the architecture instance.

systemcomposer.analysis.deleteInstance(instance);

Load the architecture instance.

loadedInstance = systemcomposer.analysis.loadInstance("InstanceFile");

Input Arguments

fileName — MAT-file that contains architecture instance

character vector | string

MAT-file that contains architecture instance, specified as a character vector or string.

Data Types: char | string

overwrite — Whether to overwrite instance if it already exists in workspace

1 (true) | 0 (false)

Whether to overwrite instance if it already exists in workspace, specified as true so the load operation overwrites duplicate instances in the workspace or false).if not.

Output Arguments

instance — Loaded architecture instance

architecture instance object

Loaded architecture instance, returned as a systemcomposer.analysis.ArchitectureInstance object.

More About

Definitions

Term	Definition	Application	More Information
analysis	Analysis is a method for quantitatively evaluating an architecture for certain characteristics. Static analysis analyzes the structure of the system. Static analysis uses an analysis function and parametric values of properties and parameters captured in the system model.	Use analyses to calculate overall reliability, mass roll-up, performance, or thermal characteristics of a system, or to perform a size, weight, and power (SWaP) analysis to increase efficiency.	Analyze Architecture Model with Analysis Function Analyze Architecture Simple Roll-Up Analysis Using Robot System with Properties
analysis function	An analysis function is a MATLAB® function that computes values necessary to evaluate the architecture using the properties of each element in the model instance and instance-specific parameters on the component and architecture level.	Use an analysis function to calculate the result of an analysis.	Analysis Function Constructs Write Analysis Function
instance model	An instance model is a collection of instances.	You can update an instance model with changes to a model, but the instance model will not update with changes in active variants or model references. You can use an instance model, saved in a MAT file, of a System Composer™ architecture model for analysis.	Run Analysis Function
instance	An instance is an occurrence of an architecture model element at a given point in time.	An instance freezes the active variant or model reference of the component in the instance model.	Create a Model Instance for Analysis

Version History

Introduced in R2019a