LIN Comm with MATLAB and Python for Visual Inspection

In modern industrial settings, testing the hardware and software quality of electronic products is both essential and widely adopted. To achieve this, communication with the target device often involves multiple protocols such as serial, Modbus, TCP/IP, CAN, and LIN.

JV Technologies developed an end-to-end testing workflow by integrating MATLAB^® and Python^®, enabling them to leverage the strengths of both platforms, particularly for visual inspection use cases.

Among these protocols, LIN (Local Interconnect Network) stands out as a cost-effective alternative to CAN for short-distance communication. While offering comparable functionality, LIN is more economical and is increasingly used as a standard communication interface in two- and four-wheeler automotive systems.

Using the extensive libraries and built-in support provided by MATLAB and Python, JV Technologies successfully implemented the LIN protocol for various automotive manufacturing applications, including lamp testing, ECU testing, infotainment systems, windshield wipers, and other components on production lines. The end application is used in a manufacturing line for anomaly detection based on the lamp image captured from the camera, such as low beam and high beam indicators.

Their development process began with MATLAB, where they also integrated Python scripts directly into the MATLAB environment. They have leveraged Python's LIN capability, which is called from a MATLAB script. They then created a user-friendly UI in MATLAB and deployed it as a standalone application at the manufacturing line/assembly, ensuring ease of use and scalability across different testing scenarios.