基于单片机的发动机无外载功率检测系统设计  

Design of engine no-load power measuring system based on single chip

作　　者：杜辉[1] 陈平[1] 

机构地区：[1]山东理工大学计算机科学与技术学院,山东淄博255049

出　　处：《山东理工大学学报（自然科学版）》2008年第1期75-78,共4页Journal of Shandong University of Technology:Natural Science Edition

摘　　要：介绍了一种发动机无外载功率检测系统的软、硬件设计,利用测频法测量出某一时刻的瞬时速度,并利用最小二乘法求出角加速度.得出相应的检测数据和误差分析.This paper introduce the design of no-load power measuring system. By the meth od of frequency measurement, instant rotational speed is measured in the test system, angu lar acceleration is calculated by using the feature of the MCU with the least square method At last, testing data were measured and error analysis was conducted.

关 键 词：测频法 角加速度 最小二乘法 瞬时功率 无外载测功 

分 类 号：TP273.5[自动化与计算机技术—检测技术与自动化装置]