A Novel Design of the CNG Dispenser Electronic Control System

This paper presents a novel design of the CNG dispenser electronic control system. The hardware design includes the ARM11 core-board and the expansion board, and the software design is based on the embedded Linux system with QT Embedded and SQLite. In addition to the general function as filling natural gas, the system has the GUI designed for touch input, the embedded database, and equipped with a RJ45 cable network interface, WiFi wireless network interface and RS485 interface etc.