Saturation Block

 🚗Implementing Saturation Block Logic Without Using the Built-In Saturation Block in Simulink

When working on control systems or signal conditioning in Simulink, you’ll often need to limit a signal within a certain range — for example, to ensure an actuator input never exceeds its physical constraints or to prevent numeric overflow.

Simulink provides a convenient Saturation block, but what if you want to implement the same functionality manually — for learning, custom modeling, or to comply with modeling guidelines (like MAAB or ISO 26262) ...

(i) By using Simulink Method:

Use Case 1: By inputting the value to 0 with the help of manual switch, the Output will be 0.

Use Case 2: By inputting the value to 1.1 with the help of manual switch, the Output will be 1.

Simulink Blocks Used:

1. Inport

2. Constant

3. Manual Switch

4. MinMax

5. Outport

(ii) By using MATLAB Scripting Method:

Results:

Conclusion:

• Saturation can be implemented easily without using the built-in block.

• The Min–Max approach is simplest and most efficient.

• Switch–Relational logic provides clarity for documentation.

• MATLAB Function gives flexibility for code generation and customization.

For more info, please visit the blog justsimulink.blogspot.com 

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