 H-infinity loop-shaping

H-infinity loop-shaping is a control design methodology that combines the principles of robust control and frequency domain techniques. This approach is often used in the design of feedback controllers for dynamic systems, particularly when robustness to disturbances and model uncertainties is a key concern. ### Key Concepts of H-Infinity Loop-Shaping: 1. **H-infinity Norm**: The H-infinity norm is a measure of the worst-case gain of a system when subjected to all possible inputs.