气候变化领域集成服务门户(CCPortal): Effects of Boom-Tip Control and a Rotating Cabin on Loading Efficiency of a Forwarder: A Pilot Study

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DOI	10.5552/crojfe.2024.2179
	Effects of Boom-Tip Control and a Rotating Cabin on Loading Efficiency of a Forwarder: A Pilot Study
	Hartsch, Florian; Schoenauer, Marian; Pohle, Christopher; Breinig, Lorenz; Wagner, Thilo; Jaeger, Dirk
发表日期	2024
ISSN	1845-5719
起始页码	45
结束页码	1
卷号	45 期号:1
英文摘要	Climate change and associated heat waves and droughts are causing enormous amounts of damaged wood in Central Europe. To face these challenges, mechanized timber harvesting systems consisting of single-grip-harvesters and forwarders are commonly employed due to their high productivity and work safety. Despite the advantages of these work systems, the operation of advanced forestry machines requires lengthy training and entails high levels of mental strain for machine operators. In recent years, operator assistance systems have been installed in forest machines with the intention of reducing mental workload of machine operators, thereby improving productivity. However, knowledge of the actual effect of operator assistance systems on productivity is still lacking. The present case study surveyed the effect of two recently released operator assitance fea- tures, Intelligent Boom Control (>> IBC <<) and a rotating cabin (>> RC <<), on productivity during loading cycles, by means of a time study. Therefore, IBC and RC were tested in different loading settings using a forwarder, John Deere 1210G. Three loading angles were tested (55 degrees, 90 degrees and 125 degrees azimuthal and counterclockwise to the machine axis) in combination with five loading distances (4 m, 5.5 m, 7 m, 8.5 m, and 10 m distance from the crane pillar). The 15 loading positions were sampled using four variants (I: IBC off RC off, II: RC on IBC off, III: IBC on RC off, IV: IBC on RC on), capturing 10 replications for each position and variant, resulting in 600 loading cycles in total. When the operator was not supported by any system, mean time consumption per loading cycle amounted to 20.6 +/- 0.114 sec. The utilization of IBC resulted in a significant reduction in time consumption of 2 seconds per loading cycle. Moreover, further time savings were observed when IBC was engaged in combination with a rotating cabin, leading to a mean time consumption of 17.8 +/- 0.114 sec (or 14% improvement) per loading cycle. Although the lowest time consumption was observed when IBC and RC were engaged, the use of RC alone did not show any significant time improvements. Since loading activities occupy approximately 50% of the total cycle time in timber forward- ing, potential time savings within this work element are crucial for further improvements of work productivity. This pilot case study quantified the time savings when IBC and RC were engaged during loading in an experimental setting. The results can be used as a basis for further investigations dealing with factors influencing the productivity of highly mech- anized timber harvesting systems.
英文关键词	forest work science; time study; mechanized harvesting; cut-to-length; forest operations; forwarding
语种	英语
WOS研究方向	Forestry
WOS类目	Forestry
WOS记录号	WOS:001145109000004
来源期刊	CROATIAN JOURNAL OF FOREST ENGINEERING
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/306255
作者单位	University of Gottingen
推荐引用方式 GB/T 7714	Hartsch, Florian,Schoenauer, Marian,Pohle, Christopher,et al. Effects of Boom-Tip Control and a Rotating Cabin on Loading Efficiency of a Forwarder: A Pilot Study[J],2024,45(1).
APA	Hartsch, Florian,Schoenauer, Marian,Pohle, Christopher,Breinig, Lorenz,Wagner, Thilo,&Jaeger, Dirk.(2024).Effects of Boom-Tip Control and a Rotating Cabin on Loading Efficiency of a Forwarder: A Pilot Study.CROATIAN JOURNAL OF FOREST ENGINEERING,45(1).
MLA	Hartsch, Florian,et al."Effects of Boom-Tip Control and a Rotating Cabin on Loading Efficiency of a Forwarder: A Pilot Study".CROATIAN JOURNAL OF FOREST ENGINEERING 45.1(2024).