CN-121482890-B - Data security enhancement method and system for vehicle-mounted log acquisition

CN121482890BCN 121482890 BCN121482890 BCN 121482890BCN-121482890-B

Abstract

The invention provides a data security enhancement method and a system for vehicle-mounted log acquisition, which belong to the technical field of data security, and specifically comprise the steps of acquiring target vehicle data, determining a vehicle with high vehicle-mounted log data reading failure probability according to the distribution data of the target vehicle in a reading success period when the reading data of the vehicle-mounted log data of the target vehicle is required to be considered, determining a vehicle with failure reading in the target vehicle in a latest preset period according to the reading data of the vehicle-mounted log data of the failure reading vehicle, and determining vehicles with vehicle-mounted log data reading processing in different periods according to the reading data of the vehicle-mounted log data of the target vehicle in different periods when the vehicle-mounted log data of other vehicles can be read.

Inventors

LIU XIAOBEI
LU XIWEN
YUAN ZITING
HAN WENTING
SUN ZHITAO
LIU YIXUAN

Assignees

杭州车凌网络科技有限公司

Dates

Publication Date: 20260508
Application Date: 20260112

Claims (8)

1. The data security enhancement method for vehicle-mounted log acquisition is characterized by comprising the following steps of: Determining the reading failure condition of vehicle-mounted date data of a vehicle in different time periods according to the reading data of the vehicle-mounted log data, and determining a vehicle of a target reading strategy in the vehicle as a target vehicle based on the reading failure condition; Acquiring the target vehicle data, and when the read data of the vehicle-mounted log data of the target vehicle needs to be considered in combination with the distribution data of the read success period of the target vehicle, entering the next step; Determining a vehicle with failed reading in the target vehicle in a latest preset period according to the read data of the target vehicle, and determining a vehicle with the processing of reading the vehicle-mounted log data in different periods according to the read data of the vehicle-mounted log data of the target vehicle in different periods when the processing of reading the vehicle-mounted log data of other vehicles is determined to be possible based on the read data of the vehicle-mounted log data of the failed reading vehicle; the method for determining the vehicle for reading the vehicle-mounted log data in the period comprises the following steps of: According to the read data of the vehicle-mounted log data of the target vehicles in different time periods, determining the target vehicles belonging to the successful reading time period in the time periods, and taking the target vehicles as matched target vehicles; Determining the number ratio of the failed-read vehicles in the matched target vehicles according to the composition data of the failed-read vehicles in the matched target vehicles; determining vehicles for reading the vehicle-mounted log data in the period according to the matching target vehicles in the period and the number proportion of the vehicles which fail to be read in the matching target vehicles; According to the number of the matching target vehicles in the period and the number of the vehicles with failed reading in the matching target vehicles, determining the vehicles for reading the vehicle-mounted log data in the period specifically comprises the following steps: And acquiring the number of the matched target vehicles in the time period, determining a sequencing result of the time period based on the number of the matched target vehicles in the time period, and determining that the vehicle-mounted log data reading processing is performed on the vehicles which belong to the successful reading time period only in the time period when the number of the time period which is more than the number of the matched target vehicles in the time period is not more than a preset time period number threshold value based on the sequencing result.
2. The method for enhancing data security of vehicle-mounted log collection according to claim 1, wherein the vehicle-mounted log data includes monitoring data of a sensing device of a vehicle during traveling and traveling data of the vehicle.
3. The method for enhancing data security of vehicle-mounted log collection according to claim 1, wherein the read data includes a read period of vehicle-mounted date data of the vehicle and a read failure condition of different read periods.
4. The method for enhancing data security collected by vehicle-mounted log according to claim 1, wherein the method for determining the target vehicle is as follows: determining the number of times of the reading failure of the vehicle in different time periods according to the reading failure condition; Determining the probability of reading failure in different time periods based on the number of times of reading failure of the vehicle-mounted date data in the time periods and combining the number of times of reading the vehicle-mounted log data in the time periods; According to the probability of failure in reading in different time periods, it is determined whether the vehicle is a target vehicle.
5. The data security enhancement method for vehicle-mounted log collection according to claim 4, wherein the probability of read failure is determined according to a ratio of the number of read failures among the number of read failures of the vehicle-mounted date data in the period.
6. The method for enhancing data security of vehicle-mounted log collection according to claim 4, wherein determining whether the vehicle is a target vehicle according to probability of failure of reading in different time periods comprises: Judging whether the vehicle has a period of time when the reading failure probability is smaller than a preset failure probability threshold value, if not, entering the next step, and if so, determining that the vehicle does not belong to a target vehicle; judging whether the average value of the reading failure probabilities of the vehicle in different time periods is larger than a preset recognition probability value, if so, determining that the vehicle is a target vehicle, and if not, entering the next step; and taking the time period when the vehicle reading failure probability is not more than the identification probability preset value as the reading success time period, judging whether the number of the vehicle reading success time periods is more than the preset success time period number threshold, if not, determining that the vehicle is a target vehicle, and if so, determining that the vehicle does not belong to the target vehicle.
7. The data security enhancement method for vehicle-mounted log collection according to claim 1, wherein the target vehicle is a vehicle that performs reading processing of vehicle-mounted log data in different periods of the day.
8. A computer system comprising a memory and a processor in communication, and a computer program stored on the memory and capable of running on the processor, wherein the processor, when running the computer program, performs a method of enhancing data security for vehicle log collection as claimed in any one of claims 1 to 7.

Description

Data security enhancement method and system for vehicle-mounted log acquisition Technical Field The invention belongs to the technical field of data security, and particularly relates to a data security enhancement method and system for vehicle-mounted log acquisition. Background With the rapid development of intelligent automobiles, the running state of the automobile can be evaluated by collecting vehicle-mounted log data through a cloud, and early warning signals of the automobile are generated in a targeted manner, and particularly in the invention patent application CN202510850715.4, namely a communication method and a communication system for real-time downloading of the vehicle-mounted data, the data in the wireless transmission process are dynamically encrypted, and meanwhile, the priority is distinguished according to the data type in the transmission process, so that the vehicle-mounted data are rapidly acquired on the premise of ensuring the safety of vehicle-mounted data transmission, and further, the troubleshooting analysis and repair of faults are rapidly realized, but the following technical problems exist: In order to improve the reliability of reading the vehicle-mounted log, the vehicle-mounted date reading processing is required to be carried out on the cloud platform from the vehicle at regular intervals according to the user setting condition, so that the reliability of the recognition processing of the vehicle problem can be improved, but at the same time, due to the difference of vehicle habits, the acquisition success rate of the vehicle-mounted log data is possibly caused to be low due to the influence of idle or parking positions of part of vehicles, so that the determination of the vehicle-mounted log acquisition processing strategy in the cloud platform is carried out according to the acquisition failure condition of the vehicle-mounted log with low acquisition success rate, the vehicle-mounted log data of the vehicle with acquisition failure can be timely acquired, and the technical problem of low data safety caused by long-term vehicle-end storage is avoided. Therefore, a method and a system for enhancing the data security of vehicle-mounted log acquisition are needed. Disclosure of Invention In order to achieve the purpose of the invention, the invention adopts the following technical scheme: specifically, the application provides a data security enhancement method for vehicle-mounted log acquisition, which specifically comprises the following steps: S1, determining the reading failure condition of vehicle-mounted date data of a vehicle in different time periods according to the reading data of vehicle-mounted log data, and determining a vehicle of a target reading strategy in the vehicle as a target vehicle based on the reading failure condition; S2, acquiring the target vehicle data, and when the read data of the vehicle-mounted log data of the target vehicle needs to be considered in combination with the distribution data of the read success period of the target vehicle, entering the next step; S3, determining a vehicle with failed reading in the target vehicle in the latest preset time period according to the read data of the target vehicle, and determining the vehicle with the vehicle-mounted log data read processing in different time periods according to the read data of the vehicle-mounted log data of the target vehicle when the vehicle-mounted log data of other vehicles can be read based on the read data of the vehicle-mounted log data of the failed reading. The invention has the beneficial effects that: Based on the read data of the vehicle-mounted log data of the failed vehicle, whether the read processing of the vehicle-mounted log data of other vehicles can be carried out is determined, so that the problem that the target vehicles, namely vehicles with low success rate of the read processing of the vehicle-mounted log data and large data safety risks, caused by the fact that a large number of vehicle-mounted log data with the failed vehicle are not successfully read in the cloud is avoided, and the safety and the reliability of the data are ensured through the targeted limit processing of the read processing of the vehicle-mounted log data of the other vehicles is avoided. According to the reading data of the vehicle-mounted log data of the target vehicle in different time periods, the vehicle which carries out the reading processing of the vehicle-mounted log data in the time periods is determined, the requirement of the vehicle-mounted log data of the target vehicle in the time periods and the requirement of the vehicle-mounted log data of the vehicle which fails to read are considered, meanwhile, the difference of the reading processing requirement of the vehicle in the time periods caused by the difference of the reading success rate of the vehicle in the history in the time periods is considered, the vehicle determination of the vehicle which carries out the