郑育行,唐庆如,安斯奇,等.轻微型无人机活塞发动机测控与建模方法[J].内燃机工程,2022,43(4):65-73.
轻微型无人机活塞发动机测控与建模方法
Measurement， Control and Modeling Method of Piston Engine on Light Unmanned Aerial Vehicle
DOI：10.13949/j.cnki.nrjgc.2022.04.008
关键词:轻微型无人机  活塞发动机  测控试验台  多元线性回归  万有特性曲线  实验建模  数值模型
Key Words:light unmanned aerial vehicle（UAV）  piston engine  measurement and control test bench  multiple linear regression  universal characteristic curve  experimental modeling  numerical model
基金项目:中国民用航空飞行学院科研基金面上项目（J2020—042）
作者单位E-mail
郑育行* 中国民用航空飞行学院 航空工程学院，广汉 618307 1362151524@qq.com 
唐庆如* 中国民用航空飞行学院 航空工程学院，广汉 618307 cafuc_zyh@163.com 
安斯奇 中国民用航空飞行学院 航空工程学院，广汉 618307  
陈思成 中国民用航空飞行学院 航空工程学院，广汉 618307  
摘要点击次数: 943
全文下载次数: 593
摘要:针对活塞发动机应用到油电混合动力无人机（unmanned aerial vehicle， UAV）系统中燃油经济性的不确定性，基于Arduino平台开发了一套轻微型无人机活塞发动机测控试验台，给出了试验台总体设计方案，介绍了测控系统的总体架构和功能。基于多元线性回归数据处理方法，对测控试验台采集到的数据进行处理，在MATLAB中将发动机等燃油消耗率曲线和等功率曲线拟合成三维模型，获得了活塞发动机万有特性曲线，在此基础上建立了活塞发动机稳态模型。此外，采用实验建模法在Simulink软件中建立了轻微型无人机活塞发动机动态模型，通过模型数据与实物数据进行对比，验证了建模方法的有效性。结果表明，测控试验台具有较高的稳定性与良好的精度，所建立的活塞发动机数值模型能够较好地表征发动机稳态与动态响应过程，该建模方法能够寻找到轻微型无人机活塞发动机工作高效区间。
Abstract:Based on the uncertainty of fuel consumption in the application of piston engines on hybrid power unmanned aerial vehicle（UAV） systems， a set of light UAVs’ piston engine measurement and control test bench was developed based on the Arduino platform. The total design scheme of the test bench was given， and the overall structure and functions of the measurement and control system were described. Based on the multiple linear regression method， the data collected by the test bench were processed. The equal fuel consumption characteristic curve and equal power characteristic curve of the engine were fitted into a three-dimensional model in MATLAB， and the universal characteristic curve of the piston engine was further obtained. The steady-state model of the piston engine was established based on this method. In addition， light UAVs’ piston engine dynamic model was established in Simulink software with the experimental modeling method. The model data was compared to physical data to verify the validlity of the modeling method. Result shows that the measurement and control test bench have high stability and accuracy， and the numerical model of piston engine can better characterize the steady and dynamic response process of the engine. The fuel-efficiency area of the light UAVs’ piston engine can be found with the modeling method.
查看全文  HTML   查看/发表评论