Virtual Field Bus Interface for Standalone Drive Controller Simulation
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Solution Overview
Problem
Existing simulation models of electric drive systems face challenges in interacting with peripheral system variables without real periphery input/output variables, requiring extensive adaptation and increasing susceptibility to systematic errors, making it difficult to simulate drive systems as standalone software without physical connections.
Innovation Solution
A parameterizable, software-implemented interface for data exchange between a simulation model of a drive controller and its periphery, emulating a field bus interface to enable bi-directional communication of process variables, allowing for standalone simulation without physical connections and supporting various simulation depths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a simulation model of a drive controller is extended and supplemented by peripheral variables to interact with external simulation models, then the simulation accuracy and realism are improved, but the programming effort and device complexity increase
Solution Approach 1:
The patent introduces a virtual periphery as an intermediary component that mediates between the drive controller simulation model and external simulation models. This virtual periphery provides standardized interface variables that enable interaction without requiring direct extension of the drive controller model, thus maintaining simulation accuracy while reducing programming effort and complexity
Solution Approach 2:
The patent segments the simulation system into distinct modular components: the drive controller simulation model, the virtual periphery, and external simulation models. This segmentation allows each component to be developed and maintained independently, reducing the complexity of integrating peripheral variables while preserving simulation realism
2Reliability
If a comprehensive simulation model including peripheral variables is created, then the realism of drive system simulation is improved, but the adaptability to different simulation scenarios decreases
Solution Approach 1:
The virtual periphery is designed with universal interface variables that can accommodate different simulation scenarios and external models. The standardized interface allows the same drive controller simulation model to interact with various external simulation models (mechanical, kinematic, etc.) without requiring model-specific extensions, thus maintaining realism while enhancing adaptability
3Ease of operation
If a simulation model is designed to run as standalone software without physical connections, then the ease of operation and productivity are improved, but the ability to correctly virtualize real behavior decreases
Solution Approach 1:
The patent creates a virtual copy of the field bus interface and peripheral variables within the simulation environment. This virtual periphery replicates the behavior of physical connections, allowing the drive controller simulation to run standalone while maintaining accurate virtualization of real system behavior through software-based interface emulation
Data Source
AI summary
A parameterizable software-implemented interface is for data exchange of at least one process variable between a simulation model of a drive controller of an electric drive and a periphery of the drive controller of the electric drive.