Abstract
The validation of control software using methods of Virtual Commissioning (VC), with its origin in the field of machine tools, gains more and more importance in other application areas like process engineering or material-flow-intensive production systems. Especially because of the increasing complexity of technical systems the validation of the control software quality is a major challenge in production technology. To reduce the efforts of modeling and to increase the value of simulation results, a so-called physically model is integrated in the VC. Currently the physically based Virtual Commissioning is restricted to rigid body simulation objects. In this publication new methods for the simulation of deformable objects are shown and validated in an industrial context. Therefore the hybridization of existing simulation methods from computer science using so called physic engines is introduced as a method that simplifies the description of complex simulation objects by adapting well known simulation models. The new approach is comparable to a mixture of a multi body simulation and a real-time finite element simulation.
Highlights
Today’s production systems contain an increasing part of mechatronic components
Beside the geometrical data the physical model contains additional information such as mass, inertia or friction. These physical parameters and the boundary condition of the technical system are used for the calculation of the physical behavior of the simulation object in real time
Joints from physic engines are used for the links between the discretized simulation objects
Summary
Today’s production systems contain an increasing part of mechatronic components They are characterized by a mechanical principle driven by electrical devices and synchronized by complex software systems. This leads to a steady rise of functional integration and an increasing complexity of the technical systems. New methods are necessary to handle resulting challenges in the development process, especially during the system control design. To meet these various challenges and to improve the start up of production systems, Virtual Commissioning has been established within the development process. In order to still take advantage of the simulation, a so-called physical model is integrated in VC, containing physical properties such as mass and gravity. The physically based VC has to be enhanced by new methods to simulate deformation
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