... reduced order systems stability nonlinear systems singular perturbation robust performance H -infinity control disturbance attenuations One drawback of H ∞ design is that the order of the controller is at least equal to that of the plant, and larger if, as is common...

... robust control simplified design H-infinity control LMI The reduction of C O 2 emissions to help stem global warming is an important issue, and improved automotive fuel economy is more necessary than ever. To help solve this problem, research and development efforts are ongoing...