变量初始化

在仿真之前初始化模块变量并校验结果

Simscape™ 求解器通过查找所有系统变量的初始值来满足所有模型方程，以此计算模型仿真的初始条件。您可以通过指定模块变量的优先级和目标初始值来影响初始条件计算。还可以从保存的工作点初始化整个模型的变量。初始化模块变量后，在对模型进行仿真前，您可以打开变量查看器来查看已满足的变量目标有哪些。

对象

`simscape.op.OperatingPoint`	Operating point object containing hierarchical target data for variable initialization
`simscape.op.Target`	Variable initialization target object

函数

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工作点和目标

`simscape.op.create`	Create operating point by extracting data from model or from logged simulation data
`simscape.op.targetTable`	Generate a table view of operating point data (自 R2025a 起)

工作点对象函数

`set`	Add or update element of operating point
`get`	Access element of operating point data tree
`relativePath`	Get path to node associated with block or subsystem
`hasPath`	Determine whether operating point data contains element at specified path
`remove`	Remove element from operating point
`move`	Move element from one path to another
`merge`	Create operating point by merging data from two operating points
`hasPrivateData`	Determine whether operating point data contains private data elements
`removePrivateData`	Remove private data elements from operating point

模型设置

启用工作点初始化	Option to specify whether to use operating point data to initialize the model
模型工作点	Name of operating point to use to initialize the model

主题

Block-Level Variable Initialization
The principles of initializing variables and recommended workflows.
设置模块变量的优先级和初始目标值
如何为模块变量指定初始目标值和设置优先级。
Initialize Variables for a Mass-Spring-Damper System
This example shows how you can use block variable initialization, and how it affects the simulation results of a simple mechanical system.
Variable Viewer
How to use and customize the Variable Viewer.
Using Operating Point Data for Model Initialization
The principles of initializing model variables from saved operating points, ways to extract data from models, and recommended workflows.
Initialize Model Using Operating Point from Logged Simulation Data
This example shows how you can create an OperatingPoint object from logged simulation data and then use this operating point to initialize the model for a subsequent simulation run.
Indexing into Component Arrays
You can use command-line interface to index into an array of components, for example, to get or set operating point targets for a particular array member, or to plot simulation data.

精选示例

Operating Point for Van der Pol Oscillator

Advantage of initialization with a Simscape operating point (OP) for a Van der Pol oscillator. OP initialization enables pushing the Van der Pol oscillator directly into its periodic steady state.

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