一种电动飞机电推进系统的能效优化方法

doi:10.7527/S1000-6893.2020.23942

电动飞机专栏

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一种电动飞机电推进系统的能效优化方法

王书礼^1,2,4, 孙金博^1,4, 康桂文^1,4, 马少华³

1. 辽宁通用航空研究院, 沈阳 110136;
2. 辽宁锐翔通用飞机制造有限公司, 沈阳 110131;
3. 沈阳工业大学电气工程学院, 沈阳 110870;
4. 沈阳航空航天大学通用航空重点实验室, 沈阳 110136

收稿日期:2020-03-07 修回日期:2020-03-31 发布日期:2020-04-25
通讯作者: 马少华 E-mail:mash_dq@sut.edu.cn
基金资助:
辽宁省教育厅科学技术研究项目（LZGD2017041）

Energy efficiency optimization method for electric aircraft propulsion system

WANG Shuli^1,2,4, SUN Jinbo^1,4, KANG Guiwen^1,4, MA Shaohua³

1. Liaoning General Aviation Academy, Shenyang 110136, China;
2. Rhyxeon General Aircraft Co., Ltd. (RGAC), Shenyang 110131, China;
3. School of Electrical Engineering, Shenyang University of Technology, Shenyang 110870, China;
4. Key Laboratory of General Aviation, Shenyang Aerospace University, Shenyang 110136, China

Received:2020-03-07 Revised:2020-03-31 Published:2020-04-25
Supported by:
Foundation Department of Education Liaoning Province (LZGD2017041)

摘要/Abstract

摘要： 电动飞机依靠电推进系统为飞机提供所需的动力，而电动飞机蓄电池的能量密度制约了飞机续航能力的提升。在蓄电池能量密度受限的条件下，进行电推进系统能效优化，提高电推进系统效率，降低电推进系统损耗，对增加飞机的续航时间具有重要意义。以某双座可调定桨距螺旋桨电动飞机电推进系统为例，依据飞机的飞行任务剖面搭建了飞机电推进系统在起飞及巡航阶段的系统损耗模型，以可调定桨距螺旋桨桨矩角为优化变量，以飞机完成一次飞行任务剖面能耗最小为目标，提出一种适于可调定桨距螺旋桨电动飞机电推进系统的能效优化方法。为了验证该方法的有效性，搭建样机测试平台，进行了样机试验，试验结果表明：该能效优化方法能够有效提高飞机电推进系统效率，使飞机完成一次飞行任务剖面的系统能耗降低了8%以上。

关键词: 电动飞机, 电推进系统, 能效优化, 系统损耗, 定桨距螺旋桨

Abstract: Electric propulsion systems provide power for electric aircraft, while the energy density of batteries limits the endurance capacity of electric aircraft. It is, therefore, of essential significance to optimize the energy efficiency of electric propulsion systems, improving the efficiency, reducing the system loss and consequently increasing the endurance time of electric aircraft. For a given two-seater controllable pitch propeller electric aircraft, a system loss model of the electric propulsion system in takeoff and cruise stages is established according to the mission profile of the electric aircraft. A novel energy efficiency optimization method tailored for controllable fixed pitch propeller electric aircraft is proposed with the pitch angle of the propeller with adjustable pitch as the optimal variable and minimizing the total energy consumption of one flight as the goal. To verify the effectiveness of this method, a prototype test platform is built, followed by a prototype test. Experimental results suggest that the energy efficiency optimization method can achieve better energy efficiency while reducing the energy consumption by more than 8%.

Key words: electric aircraft, electric propulsion systems, energy efficiency optimization, system loss, fixed pitch propeller

中图分类号:

V272

王书礼, 孙金博, 康桂文, 马少华. 一种电动飞机电推进系统的能效优化方法[J]. 航空学报, 2021, 42(3): 623942-623942.

WANG Shuli, SUN Jinbo, KANG Guiwen, MA Shaohua. Energy efficiency optimization method for electric aircraft propulsion system[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2021, 42(3): 623942-623942.

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主管单位：中国科学技术协会主办单位：中国航空学会北京航空航天大学

一种电动飞机电推进系统的能效优化方法

Energy efficiency optimization method for electric aircraft propulsion system

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