Energy–work connection integration schemes for mechanico-electrical systems

The non-linear analysis of undesired vibrations observed on hybrid electric vehicle (HEV) powertrains is hardly developed in the literature. In this paper, a mathematical modeling of the vibrations observed at the level of the electromechanical coupling between the internal combustion engine and the generator in the series architecture of HEVs, named (SHEVs), is established using the Lagrangian theory. The stability and instability motions of this SHEV are perfectly detailed using amplitude–frequency response curves. An analysis of the electromagnetic torque amplitude of the new SHEV demonstrates the presence of multistability with the coexistence of two or three different types of attractors. In addition, this new SHEV model has other dynamic regimes of chaotic and periodic oscillations. Coexisting bifurcations with parallel branches, hysteresis, and period-doubling are also discovered. A unique contribution of this work is the abundance and complicated dynamical behaviors found in such types of systems compared with some rare cases previously reported on HEV powertrain models. The simulation results obtained using non-linear analysis tools sufficiently demonstrate that the objectives of this paper are achieved.

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Energy–work connection integration schemes for mechanico-electrical systems

Cited by 4 publications

References 14 publications

Application of canonical coordinates for solving single-freedom constraint mechanical systems

Application of canonical coordinates for solving single-freedom constraint mechanical systems

Bifurcation and chaos analysis of torsional vibration in a PMSM-based driven system considering electromechanically coupled effect

Multistability analysis and nonlinear vibration for generator set in series hybrid electric vehicle through electromechanical coupling

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