The effective independence method is a method that is used to iteratively eliminate sensor positions to optimally maintain linear independence and orthogonality between the mode shapes. These methods may be computationally expensive and are used as a second step to other sensor placement methods.
Sources
- C. Ciavarella, M. Priems, Y. Govers, and M. Böswald, “AN EXTENSIVE HELICOPTER GROUND VIBRATION TEST: FROM PRETEST ANALYSIS TO THE STUDY OF NON-LINEARITIES,” 2018.