独立扰动信号生成
利用 Simulink® Control Design™ 软件，您能够在 Simulink 中生成独立的扰动信号，用于桌面仿真和硬件实现，并生成代码。您可以将这些信号注入到被控对象模型中，以收集和分析响应数据，从而执行自定义的离线或在线频率响应估计并确定被控对象特性。使用可用的模块，您可以生成伪随机二进制序列 (PRBS)、叠加正弦扰动信号和顺序正弦扰动信号。此外，正弦信号发生器模块允许您生成三相正弦扰动信号，以确定三相 AC 电力系统的频率响应。
模块
| Start-Stop Generator | Generate start-stop signal used by signal generation, estimation, and autotuning blocks (自 R2024a 起) |
| PRBS Signal Generator | Generate PRBS input signal for plant frequency response estimation (自 R2024a 起) |
| Sinestream Signal Generator | Generate sinestream input signal for plant frequency response estimation (自 R2024a 起) |
| Superposition Signal Generator | Generate superposition input signal for plant frequency response estimation (自 R2024b 起) |
主题
- Use Sinestream Signal Generator Block for Offline Frequency Response Estimation
Estimate frequency responses offline using the Sinestream Signal Generator block. (自 R2024a 起)
- Generate PRBS Input Signals Using PRBS Signal Generator Block
Estimate frequency responses offline using the PRBS Signal Generator block. (自 R2024a 起)
- Use Superposition Signal Generator Block for Offline Frequency Response Estimation
Estimate frequency responses offline using the Superposition Signal Generator block. (自 R2024b 起)
精选示例
Use Start-Stop Generator and PRBS Signal Generator Blocks for Estimation at Multiple Operating Points
Perform frequency response estimation at multiple operating points using Start-Stop Generator and PRBS Signal Generator blocks.
Measure Boost Converter Output Impedance Using Signal Generator Blocks
Use the Sinestream Signal Generator and PRBS Signal Generator blocks to create input signals to measure the output impedance of a boost converter through an offline frequency response estimation experiment.
Estimate Battery Impedance Using Signal Generator Blocks
Use frequency response estimation to estimate the impedance of a battery modeled using Simscape™ Battery™ software.
Measure Three-Phase Electric Circuit Impedance Using Sinestream Signal Generator Block
Measure the three-phase electric circuit impedance through an offline frequency response estimation experiment.
