Research paper: “Composable Modelling for a Hybrid Gearbox” – 2nd Japanese Modelica Conference 2018

Composable Modelling for a Hybrid Gearbox

Joshua Sutherland, Rui Gao


Proceedings of the 2nd Japanese Modelica Conference, Tokyo, Japan, May 17-18, 2018

Gearbox modelling is an important topic to the simulation community due to its difficulty in representing mixed continuous and discrete behaviour. Such kind of models also usually couple the loss of power that is dependent on the angular velocity and the load. However, one single gearbox model with a certain fidelity cannot satisfy the broader needs of modelling during product development. In this paper, we will address hybrid modelling issues and take the gearbox model as an example to illustrate how to model gearboxes from a Systems Engineering perspective. A supervisor and supervised model structure is investigated that could also be regarded as a use case to a general cyber-physical modelling approach. The resultant model achieves the same output as the LossyGear model in Modelica Standard Library.

Full paper and presentation available below:

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