1. USING LINEAR ANALYSIS IN MATLAB FOR MEP 1422/1522 (MATLAB V7, R14) Dr. Nik Rumzi Nik Idris Dept. of Energy Conversion Fakulti Kejuruteraan Elektrik Universiti Teknologi Malaysia

2. Say, we need to obtain Bode plot of this TF: Which can be constructed using SIMULINK blocks: Fakulti Kejuruteraan Elektrik

3. We can to put dummy blocks so that we can define the input-output points Fakulti Kejuruteraan Elektrik

4. Right click the input point and select Linearization Points  Input Point Fakulti Kejuruteraan Elektrik

5. Right click the output point and select Linearization Points  Output Point Fakulti Kejuruteraan Elektrik

6. Start the Linear Analysis: Tools  Control Design  Linear Analysis Fakulti Kejuruteraan Elektrik

7. Start the Linear Analysis: Tools  Control Design  Linear Analysis Fakulti Kejuruteraan Elektrik

8. Select the Bode response plot and Linearize Model Fakulti Kejuruteraan Elektrik

9. Select the Bode response plot and Linearize Model Fakulti Kejuruteraan Elektrik

10. Try to place input point at several different input points. For each points, obtain the Bode plot Fakulti Kejuruteraan Elektrik

11. The Bode plots of the 3 different input points: Fakulti Kejuruteraan Elektrik

12. Open-loop and close-loop plots Crossover frequency approximates close–loop bandwidth Fakulti Kejuruteraan Elektrik

13. Contain a zero and a pole at origin DC gain can be adjusted independently from location of zero Transfer function PI controller Fakulti Kejuruteraan Elektrik

14. PI controller Fakulti Kejuruteraan Elektrik