Operational modal analysis using order-based analysis in a two-stage planetary gear with mechanical power recirculation

Modal analysis techniques are considered as the most used of allowing characterization dynamic behaviour in systems such planetary gear transmission. During operational conditions, modal can be altered. The main purpose this paper is to estimate Properties (MP) two-stage during non-stationary regimes using a further version Operational Analysis (OMA). natural frequencies and damping determined by Order Tracking (OT) processed diagram stability tool. Moreover, modelling treatment were established. proposed technique proves that order-based OMA extract resonances which related interaction between structural modes rotational speed harmonics. experimental measurements compared obtained results via numerical model. It significantly dependent on load.