Car Driving Record System Based on Ferroelectric Memory Reading Function and SD Card Chip

Abstract

The advent of the new era has promoted the rapid rise of technology. It drives the rapid development of the well-off economy. The car sales rate has also skyrocketed, but due to the frequent occurrence of various traffic accidents, it has become a difficult problem for relevant personnel to find the cause of the accident and driving. The arrival of the recorder is able not only to record the problems of traffic accidents but also to monitor the drivers as a basis for judging traffic violations. Based on the investigation and research on the current car driving recorders on the market, all the driving recorders on the market have relatively simple system structures and functions, and the transmission of communication information is slow. The SD card emphasizes the security of data and can set the stored usage rights to prevent the data from being copied by others, and the transmission speed is fast. Based on the problems described above, the design of the system program of the car driving recorder based on the reading function of the ferroelectric memory and the combination of the small size and large storage capacity of the SD card chip is proposed, and the combination of GPS positioning is added, to improve the accuracy of the positioning function. In order to obtain a more practical car driving recorder, the experimental results show that when the distance of each observation location is less than 0.45 m, its average accuracy factor is also less than 0.45 m, which can meet the requirements of the system for accuracy performance, that is to say, it can be shown under the accuracy analysis. The research and design system has a certain degree of practicability, and the stability function is very good.