摘要
电动助力车在我国的发展正方兴未艾，对其技术性能的检测便显得尤其重要。本文是对基于智能检测技术的电动助力车主要技术性能检测系统的研究。
在对智能检测系统的发展、基本结构及其特点探讨的基础上，提出了自适应检测方法的原理和特征。分析和确定了电动助力车主要性能的检测项目，并对车速、续行里程、载荷、蓄电池的放电电压和放电电流等被测项目的检测原理及实现方法进行了探讨。重点对车速的检测方法及其所用霍尔传感器进行了讨论和设计，提出了一种关于转速计算的自适应检测方法。同时针对本系统多个参数需要同时进行检测的特点，将多个参数的测量模拟信号通过信号采集系统全部变换为频率进行数据处理，系统的硬什方面有比较统一的模式，软件方面有统一的计算流程，能实现单机的多功能设计，最终形成了多参数的统一智能检测方法。
在以上智能检测技术的基础上，将各种电量和非电量集中在一个检测系统中，以8031单片机为下位机，PC机为上位机进行检测。整个检测系统进行模块化设计，主要包括信号采集子系统、8031单片机子系统、显示和打印子系统以及数据通信子系统等几大模块。利用智能化系统强大的软件功能对系统进行控制并实现系统的功能要求。此外，还对系统的检测结果的误差进行了分析，并提出了解决方法，同时给出了系统抗干扰的软硬件措施。
通过对电动助力车主要技术性能的智能化检测系统的研究，可以逐步探索出多参数智能检测的科学有效的途径和方法，促进智能检测技术的发展，从而提高检测系统的精度和准确度。
Electro-hybrid bicycle is in the ascendant in China. It is obvi6usly important to measure the technical performance of the bicycle. This paper presents the research on primary technical performance of electro-hybrid bicycle based on intelligence measuring technology.
The principle and character of adaptive measuring method are proposed based on discussing the development, structure and characteristic of intelligence measuring system. The testing principle and the performing method of testing items such as speed, range, load, discharge voltage and current for electro-hybrid bicycle are described based on deciding the items. Discussion and design of the method and Hall sensor of speed test are keystone, and an adaptive method of rotation calculation is presented. Meanwhile several parameters are measured at one time in the system, therefore the analog signals can be converted frequency signals by making use of signal acquisition system. The uniform pattern in the hardware and uniform How in the software can implement the multi-function design for single machine. Ultimately the uniform multi-parameter intelligent measuring method comes into being.
The electric quantity and non-electric quantity are measured in an intelligent testing system in which 8031 single-chip microcomputer is lower machine and PC is upper machine based on the above measuring method. The measuring system contains several modules such as signal acquisition subsystem, 8031 SCM subsystem, display and print subsystem, data traffic subsystem. Making use of mighty software function can control the system and implement the functional requirements of the system. In addition, error of the result is analyzed, and the resolving ways are put forward. Finally this paper presented the anti-interference measure for the system.
Researching the intelligent measuring system for primary technical performance of electro-hybrid bicycle can explore more effective and more scientific methods for the multi-parameter intelligent measurement. This can promote the development of measuring technology. Consequently precision and exactness of the system are improved.
引文
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