A Sliding Window-based CAN Bus Electric Power Recording Data Transmission Method

Abstract

In the existing CAN bus-based distributed electric power distribution control system, the terminal device has the problems of difficult transmission of recording data and low transmission efficiency, and for these problems, a sliding window-based CAN bus power recording data transmission method is proposed in the design. The characteristics and transmission requirements of recording data in terminal device are analyzed, the data transmission method based on binary byte stream is proposed, the characteristics of CAN short frame structure are analyzed, and the idea of separating data frame and control frame is proposed. The sliding window-based frame sending and receiving mechanism is introduced to achieve maximum bandwidth data transmission, and the lost frame retransmission mechanism based on the receive bitmap is proposed to achieve fast retransmission of lost frames. The test shows that the fast and reliable transmission of recording data can be realized based on the design scheme, which has strong application value.