Import model information from MATLAB tables
creates a new architecture model based on MATLAB® tables that specify components, ports, connections, port interfaces, and
requirement links. The only required input arguments are
archModel = systemcomposer.importModel(
components table. For empty table input arguments, enter
table.empty. However, trailing empty tables are ignored and do not need
to be entered. To import a basic architecture model, see Define Basic Architecture. To import
requirementLinks, you need a Requirements Toolbox™ license.
creates a new architecture model based on a structure of MATLAB tables that have prescribed formats to specify model element relationships,
stereotypes, and properties. For more information on the import structure, see Import and Export Architecture Models.
archModel = systemcomposer.importModel(
creates a new architecture model with output arguments
errorLog] = systemcomposer.importModel(___)
with table information,
importLog to display import information, and
errorLog to display import error information. All previous syntax
descriptions are included.
Import and Export Architectures
In System Composer™, an architecture is fully defined by three sets of information:
You can import an architecture into System Composer when this information is defined in or converted into MATLAB® tables.
In this example, the architecture information of a simple unmanned aerial vehicle (UAV) system is defined in a Microsoft® Excel® spreadsheet and is used to create a System Composer architecture model. It also links elements to the specified system level requirement. You can modify the files in this example to import architectures defined in external tools, when the data includes the required information. The example also shows how to export this architecture information from System Composer architecture model to an Excel spreadsheet.
Architecture Definition Data
You can characterize the architecture as a network of components and import by defining components, ports, connections, interfaces and requirement links in MATLAB tables. The
components table must include name, unique ID, and parent component ID for each component. The spreadsheet can also include other relevant information required to construct the architecture hierarchy for referenced model, and stereotype qualifier names. The
ports table must include port name, direction, component, and port ID information. Port interface information may also be required to assign ports to components. The
connections table includes information to connect ports. At a minimum, this table must include the connection ID, source port ID, and destination port ID.
Reads stereotype names from the
componentstable and loads the profiles
Creates components and attaches ports
Creates connections using the connection map
Sets interfaces on ports
Links elements to specified requirements (requires a Requirements Toolbox™ license)
Saves referenced models
Saves the architecture model
Instantiate adapter class to read from Excel.
modelName = "simpleUAVArchitecture";
ImportModelFromExcel function reads the Excel file and creates the MATLAB tables.
importAdapter = ImportModelFromExcel("SmallUAVModel.xls","Components", ... "Ports","Connections","PortInterfaces","RequirementLinks"); importAdapter.readTableFromExcel();
Import an Architecture
model = systemcomposer.importModel(modelName,importAdapter.Components, ... importAdapter.Ports,importAdapter.Connections,importAdapter.Interfaces, ... importAdapter.RequirementLinks);
Auto-arrange blocks in the generated model.
Export an Architecture
You can export an architecture to MATLAB tables and then convert the tables to an external file.
exportedSet = systemcomposer.exportModel(modelName);
The output of the function is a structure that contains the component table, port table, connection table, the interface table, and the requirement links table. Save this structure to an Excel file.
modelName — Name of model
character vector | string
Name of model to be created, specified as a character vector or string.
components — Model component information
Model component information, specified as a MATLAB table. The component table must include the columns
Behavior (reference components and subsystem components) and to set
ReferenceModelName, see Import Variant Components, Stateflow Behaviors, or Reference Components. To apply
StereotypeNames and set property values to
components, see Apply Stereotypes and Set Property Values on Imported Model.
ports — Model port information
Model port information, specified as a MATLAB table. The ports table must include the columns
Direction column can have values
Physical. The optional column
InterfaceID specifies the interface.
portInterfaces information may also be required to assign
interfaces to ports.
connections — Model connections information
Model connections information, specified as a MATLAB table. The connections table must include the columns
DestPortID. To specify
DestinationElement on an architecture port, see Specify Elements on Architecture Port. Assign a
stereotype using the optional column
StereotypeNames. The optional
Kind column can be specified as the default
Physical for physical connections.
portInterfaces — Model port interfaces information
Model port interfaces information, specified as a MATLAB table. The port interfaces table must include the columns
Maximum. To import interfaces and map ports to interfaces, see
Import Data Interfaces and Map Ports to Interfaces. Add a
description using the option column
Description. Assign a stereotype
using the optional column
requirementLinks — Model requirement links information
Model requirement links information, specified as a MATLAB table. The requirement links table must include the columns
Type. For an example, see Assign Requirement Links on Imported Model. To update
reference requirement links from an imported file and integrate them into the model, see
Update Reference Requirement Links from Imported File. Optional
Revision. A Requirements Toolbox license is required to import the
table to a System Composer™ architecture
importStruct — Model tables
Model tables, specified as a structure containing the tables
requirementLinks, and a field
domain. Only the
components table is required. Possible values for
domain are the default
"System" for architecture
"Software" for software architecture models. For software
architecture models, to import a model with functions, the
importStruct can have a
functions field that
contains function information.
For more information on the import structure, see Import and Export Architecture Models.
archModel — Handle to architecture model
Handle to architecture model, specified as a
idMappingTable — Mapping of custom IDs and internal UUIDs of elements
Mapping of custom IDs and internal UUIDs of elements, returned as a
struct of MATLAB tables.
importLog — Confirmation that elements were imported
cell array of character vectors
Confirmation that elements were imported, returned as a cell array of character vectors.
errorLog — Errors reported during import process
cell array of message objects
Errors reported during import process, returned as a cell array of
message objects. You can obtain the error text by calling the
getString method on each
message object. For
errorLog.getString is used to obtain the errors reported as
A System Composer architecture represents a system of components and how they interface with each other structurally and behaviorally. You can represent specific architectures using alternate views.
Different types of architectures describe different aspects of systems:
|Compose Architecture Visually|
A System Composer model is the file that contains architectural information, including components, ports, connectors, interfaces, and behaviors.
Perform operations on a model:
A System Composer model is stored as an SLX file.
|Create Architecture Model with Interfaces and Requirement Links|
A component is a nontrivial, nearly independent, and replaceable part of a system that fulfills a clear function in the context of an architecture. A component defines an architectural element, such as a function, a system, hardware, software, or other conceptual entity. A component can also be a subsystem or subfunction.
Represented as a block, a component is a part of an architecture model that can be separated into reusable artifacts.
A port is a node on a component or architecture that represents a point of interaction with its environment. A port permits the flow of information to and from other components or systems.
There are different types of ports:
Connectors are lines that provide connections between ports. Connectors describe how information flows between components or architectures.
A connector allows two components to interact without defining the nature of the interaction. Set an interface on a port to define how the components interact.
|interface data dictionary|
An interface data dictionary is a consolidated list of all the interfaces and value types in an architecture and where they are used.
Local interfaces on a System Composer model can be saved in an interface data dictionary using the Interface Editor. Interface dictionaries can be reused between models that need to use a given set of interfaces, elements, and value types. Data dictionaries are stored in separate SLDD files.
A data interface defines the kind of information that flows through a port. The same interface can be assigned to multiple ports. A data interface can be composite, meaning that it can include data elements that describe the properties of an interface signal.
Data interfaces represent the information that is shared through a connector and enters or exits a component through a port. Use the Interface Editor to create and manage data interfaces and data elements and store them in an interface data dictionary for reuse between models.
A data element describes a portion of an interface, such as a communication message, a calculated or measured parameter, or other decomposition of that interface.
Data interfaces are decomposed into data elements:
A value type can be used as a port interface to define the atomic piece of data that flows through that port and has a top-level type, dimension, unit, complexity, minimum, maximum, and description.
You can also assign the type of data elements in data interfaces to value types. Add value types to data dictionaries using the Interface Editor so that you can reuse the value types as interfaces or data elements.
|Create Value Types as Interfaces|
An owned interface is an interface that is local to a specific port and not shared in a data dictionary or the model dictionary.
Create an owned interface to represent a value type or data interface that is local to a port.
|Define Owned Interfaces Local to Ports|
An adapter helps connect two components with incompatible port interfaces by mapping between the two interfaces. An adapter can act as a unit delay or rate transition. You can also use an adapter for bus creation. Use the Adapter block to implement an adapter.
With an adapter, you can perform functions on the Interface Adapter dialog:
Requirements are a collection of statements describing the desired behavior and characteristics of a system. Requirements ensure system design integrity and are achievable, verifiable, unambiguous, and consistent with each other. Each level of design should have appropriate requirements.
To enhance traceability of requirements, link system, functional, customer, performance, or design requirements to components and ports. Link requirements to each other to represent derived or allocated requirements. Manage requirements from the Requirements Manager on an architecture model or through custom views. Assign test cases to requirements using the Test Manager (Simulink Test) for verification and validation.
|Link and Trace Requirements|
A requirement set is a collection of requirements. You can structure the requirements hierarchically and link them to components or ports.
Use the Requirements
Editor (Requirements Toolbox) to edit and refine requirements in a requirement set. Requirement sets are
A link is an object that relates two model-based design elements. A requirement link is a link where the destination is a requirement. You can link requirements to components or ports.
View links using the Requirements Perspective in System Composer. Select a requirement in the Requirements Browser to highlight the component or the port to which the requirement is assigned. Links are stored externally as
A test harness is a model that isolates the component under test with inputs, outputs, and verification blocks configured for testing scenarios. You can create a test harness for a model component or for a full model. A test harness gives you a separate testing environment for a model or a model component.
Create a test harness for a System Composer component to validate simulation results and verify design. The Interface Editor is accessible in System Composer test harness models to enable behavior testing and implementation-independent interface testing.
A physical subsystem is a Simulink® subsystem with Simscape™ connections.
A physical subsystem with Simscape connections uses a physical network approach suited for simulating systems with real physical components and represents a mathematical model.
|Describe Component Behavior Using Simscape|
A physical port represents a Simscape physical modeling connector port called a Connection Port (Simscape).
Use physical ports to connect components in an architecture model or to enable physical systems in a Simulink subsystem.
|Define Physical Ports on Component|
A physical connector can represent a nondirectional conserving connection of a specific physical domain. Connectors can also represent physical signals.
Use physical connectors to connect physical components that represent features of a system to simulate mathematically.
|Architecture Model with Simscape Behavior for a DC Motor|
A physical interface defines the kind of
information that flows through a physical port. The same interface can be assigned to multiple
ports. A physical interface is a composite interface equivalent to a
Use a physical interface to bundle physical elements to describe a physical model using at least one physical domain.
|Specify Physical Interfaces on Ports|
A physical element describes the
decomposition of a physical interface. A physical element is equivalent to a
|Describe Component Behavior Using Simscape|