汽车智能无匙门控系统的设计与应用  

Design and application of passive keyless vehicle entry system

作　　者：昂志敏[1] 孙述鹏[1] 韦康[1] 刘正琼[1] 

机构地区：[1]合肥工业大学计算机与信息学院,安徽合肥230009

出　　处：《电子技术应用》2007年第8期48-51,54,共5页Application of Electronic Technique

摘　　要：一种汽车智能无匙门控系统设计方法。结合微芯公司PIC16F639微控制器的特性,设计出相应的无线收发通信系统,给出了硬件电路和软件流程。在此基础上,针对短程无线通信的特点提出了系统改进措施,讨论了数据传输格式和差错控制原理。实验结果表明,该系统在功耗、通信距离及可靠性方面均达到较高指标。Introduces a method of designning passive keyless vehicle entrance system.The corresponding communication system for wireless data switching are described in detail , based on MICROCHIP＇s microcontroller PIC16F639. The hardware circuit and software flowchart are presented. Furthermore, some possible improvement are proposed according to the characteristic of short-haul wireless . Data format and error control method are discussed. Our expertimental results suggest that the system possesses many advantages in power consumption, communication distance and reliability.

关 键 词：智能无匙门控 低频唤醒 KEELOQ滚码编码 通断键控 脉宽调制 

分 类 号：TP277[自动化与计算机技术—检测技术与自动化装置]