| With the development of intelligent keys and Bluetooth 4.0 technology,smart car keys have steppedto the times of "cloud key".Digital App key cannot only lock and unlock the car at close range by the Bluetooth technology,but also share the car keys to other users in order to achieve vehicle sharing.In this paper,we achieve the research and application of the virtual key sharing method based on Bluetooth.Based on the originalrenting system of smart car,this research uses the rights management model to achieve virtual keys to share the rights managementand renting in the complex environment.Through the use of Bluetooth technology,it achieves the virtual key of the smart car,whichto start and lock a smart car.The main work is as follows:1.The system determines the authorization and use of smart car according to the characteristics of vehicle and user.Regardless of home or public of smart car,the owner of the carhas the right to decide to authorize or cancel the using privilege of smart car of other users,who may be the owner’s family or friend.Authorization is achieved through the sharing and retrieval of virtual keys.2.Based on the information of authorization and the basic information of the users,the mobile phone client establishes the constraint authority decision model to decide whether the vehicle is visible or not.3.This system implements the search and use and other functions of smart car,through the use of Bluetooth technology.In order to improve the security and convenience of vehicle use,the mobile phone client can realize the function of close distance automatic car driving and returning based on Bluetooth ranging technology.Based on the research of the virtual key sharing method of the smartcar,the virtual key system based on Bluetooth is realized.The system realizes the off-site authorized driving function of the home and publicsmart cars.In addition,the existing intelligent renting system is improved by using the Bluetooth driving mode. |
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