基于HAL880的电子油门踏板编程校准系统设计  

Design of electronic accelerator pedal programming calibration system based on HAL880

作　　者：袁月峰[1] 郭斌[1] 胡淑女 徐源[1] YUAN Yuefeng;GUO Bin;HU Shunu;XU Yuan(China Jiliang University, Hangzhou 310018, China)

机构地区：[1]中国计量大学,浙江杭州310018

出　　处：《现代电子技术》2018年第12期115-119,共5页Modern Electronics Technique

基　　金：浙江省公益性技术应用研究计划资助项目(2015C31081);浙江省大学生科技创新计划项目(2016R409003)~~

摘　　要：采用可编程线性霍尔位置传感器为角度测量元件的非接触式汽车电子油门踏板正在获得越来越广泛的应用。为了实现产品在线编程校准,企业目前需要依赖购买原装进口的编程器套件,不仅价格高昂,也经常出现各种故障和异常,维护沟通困难、周期长,且通信协议复杂难于掌握使用。针对MicronasTM公司的HAL880型霍尔传感器设计研制了一种电子油门踏板专用编程校准系统,采用线性稳压器LM317和低导通内阻的多路模拟开关ADG1608控制HAL880的编程通道,采用脉冲宽度捕获法读取识别其输出寄存器数值。编程器采用ds PIC33EP256单片机为核心,设计开发了固件程序,采用Visual C#开发上位机通信校准程序。在某型踏板产品上进行实验测试,结果显示该系统能实现传感器的数据读取、曲线校准和编程写入的完整过程。The non-contact automobile electronic accelerator pedal which uses programmable linear Hall position sensor as the angle measurement element is being more and more widely applied. Enterprises currently need to rely on purchase of programmer sets imported with original packaging which are expensive,often have various faults and exceptions,are difficult for maintenance and communication,and have long period and complex communication protocols difficult to master and use,to realize the online programming calibration of products. A special programming calibration system for the electrical accelerator pedal was designed and developed for the application of Hall sensor HAL880 of MicronasTM. The linear voltage regulator LM317 and the multi-path analog switch ADG1608 with low-pass internal resistance are adopted to control the programming channel of HAL880.The pulse width capture method is adopted to read and recognize the values of the output register. Firmware program is designed and developed for the programmer,taking ds PIC33 EP256 MCU as its core. Visual C# is adopted to develop the communication calibration program for the upper computer. An experiment for testing a certain type of pedal product was carried out. The results show that the system can accomplish the whole process of sensor data reading,curve calibration and programming write-in.

关 键 词：电子油门踏板 霍尔传感器HAL880 系统设计 编程校准 多路模拟开关 dsPIC33EP256 

分 类 号：TN99-34[电子电信—信号与信息处理] U467.4[电子电信—信息与通信工程]