200 kw 级挖掘机在实际工作运行模式下的负载率特性

IF 1.5 4区工程技术 Q3 ENGINEERING, MECHANICAL

International Journal of Automotive Technology Pub Date : 2024-05-18 DOI:10.1007/s12239-024-00095-7

Dal Ho Shin, Seok Joo Kwon, Yun Seo Park, Chul Yoo, Suhan Park

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引用次数: 0

摘要

为改进排放清单，设计了一种模拟挖掘机操作特性的实际工作操作模式。测试在专门的工程机械测试场地进行，以保持操作员和土壤条件的恒定。通过数据采集装置从车载诊断终端获取发动机转速和发动机实际百分比扭矩。在韩国，所有工程机械的固定 LF 均为 0.48。然而，对于执行各种任务的工程机械来说，使用这一 LF 可能并不完全合理。在对两台挖掘机进行的实际操作测试中，测得的 LF 分别为 0.426 和 0.47，这表明固定 LF 并不总是适用的。通过对每种特定类型的建筑机械实施细分的 LF，可将排放计算误差减少 2% 至 12%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Load Factor Characteristics of 200 kw Class Excavators in Real-Work Operation Mode

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Load Factor Characteristics of 200 kw Class Excavators in Real-Work Operation Mode

To improve emissions inventory, design a real-work operation mode that simulates the operating characteristics of an excavator. The test was conducted at a specialized construction machinery test site to maintain constant operator and soil conditions. Engine speed and actual engine percentage torque were obtained from the onboard diagnostic terminal through a data acquisition device. In Korea, a fixed LF of 0.48 is uniformly applied to all construction machinery. However, it may not be entirely reasonable to use this LF for construction machines performing a variety of tasks. In practical operation tests conducted on two excavators, the LF was measured as 0.426 and 0.47, demonstrating that the fixed LF may not always be applicable. By implementing an LF that is subdivided for each specific type of construction machine, the error in emission calculations could potentially be reduced by 2% to 12%.

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来源期刊

International Journal of Automotive Technology 工程技术-工程：机械

CiteScore

3.10

自引率

12.50%

发文量

129

审稿时长

6 months

期刊介绍： The International Journal of Automotive Technology has as its objective the publication and dissemination of original research in all fields of AUTOMOTIVE TECHNOLOGY, SCIENCE and ENGINEERING. It fosters thus the exchange of ideas among researchers in different parts of the world and also among researchers who emphasize different aspects of the foundations and applications of the field. Standing as it does at the cross-roads of Physics, Chemistry, Mechanics, Engineering Design and Materials Sciences, AUTOMOTIVE TECHNOLOGY is experiencing considerable growth as a result of recent technological advances. The Journal, by providing an international medium of communication, is encouraging this growth and is encompassing all aspects of the field from thermal engineering, flow analysis, structural analysis, modal analysis, control, vehicular electronics, mechatronis, electro-mechanical engineering, optimum design methods, ITS, and recycling. Interest extends from the basic science to technology applications with analytical, experimental and numerical studies. The emphasis is placed on contributions that appear to be of permanent interest to research workers and engineers in the field. If furthering knowledge in the area of principal concern of the Journal, papers of primary interest to the innovative disciplines of AUTOMOTIVE TECHNOLOGY, SCIENCE and ENGINEERING may be published. Papers that are merely illustrations of established principles and procedures, even though possibly containing new numerical or experimental data, will generally not be published. When outstanding advances are made in existing areas or when new areas have been developed to a definitive stage, special review articles will be considered by the editors. No length limitations for contributions are set, but only concisely written papers are published. Brief articles are considered on the basis of technical merit.