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In this paper, a novel approach for the multidisciplinary design optimization (MDO) of complex mechatronic systems. This approach, which is a part of a global project aiming to include the MDO aspect inside an innovative design process. As a first step, the paper considers the MDO as a redesign approach which is limited to the parametric optimization. After defining and introducing the different keywords, the proposed method which is based on the V-Model which is commonly used in mechatronics.

This paper presents the software part of the ”spatbox” project, an interface to intuitively generate 3D trajectories and to spatialize them on a loudspeaker array with Ambisonics. Each trajectory is described by a parametric curve, where each of the coordinates varies according to a configurable LFO. Depending on the LFO parameters, many trajectories can be generated. The similarity of the interface to that of a synthesizer allows the user to quickly get to grips with the tool. In particular, it is possible to create trajectory presets for fixed parameter configurations. An implementation in the Faust language is made and a visual feedback tool is introduced. Some additional features for the trajectory modification are proposed: choice of the coordinate system, trajectory scaling and acceleration, Doppler effect, hold/reset and rotation/translation functionalities.