Abstract
We provide a remote online program update method for multi-machine control system in distributed industrial control field based on WiFi Wireless LAN and CAN bus in this paper. On this basis to achieve the accurate and efficient update for remote multi-machine.
Highlights
At the present stage, program updating in complex industrial environment has many problems such as process cumbersome, poor stability, The increase in the number of machines poses a great challenge to the efficiency of the update
The Application's online upgrade method is mostly based on a single bus, so that the program update should use a dedicated adapter to connect to the bus to update the program, or cannot accurately update a specific device, or because of the huge amount of code makes the update time greatly extended
According to the shortcomings of the existing technology, based on the in-depth analysis of the boot loader mechanism and develop a custom transmission communication protocol, we put forward a remote multi-machine program reliable update method based on Wi-Fi wireless LAN and CAN bus in this paper
Summary
Program updating in complex industrial environment has many problems such as process cumbersome, poor stability, The increase in the number of machines poses a great challenge to the efficiency of the update. There are some multi-machine Application online upgrade method, but the boot program upgrade are basically a single machine update. As the automation and the intelligent system has gotten more and more development on the machining field, the demand for high compatibility, high reliability, low cost and compactsize has been constantly increasing[3]. According to the shortcomings of the existing technology, based on the in-depth analysis of the boot loader mechanism and develop a custom transmission communication protocol, we put forward a remote multi-machine program reliable update method based on Wi-Fi wireless LAN and CAN bus in this paper
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