Identification of parallel Wiener-Hammerstein systems with a decoupled static nonlinearity

M. Schoukens, K. Tiels, M. Ishteva, J. Schoukens
2014 IFAC Proceedings Volumes  
Block-oriented models are often used to model a nonlinear system. This paper presents an identification method for parallel Wiener-Hammerstein systems, where the obtained model has a decoupled static nonlinear block. This decoupled nature makes the interpretation of the obtained model more easy. First a coupled parallel Wiener-Hammerstein model is estimated. Next, the static nonlinearity is decoupled using a tensor decomposition approach. Finally, the method is validated on real-world
more » ... ts using a custom built parallel Wiener-Hammerstein test system.
doi:10.3182/20140824-6-za-1003.00496 fatcat:okx33eqqozfk7kj2hxrkawdz74