[논문]플라우 및 로터리 작업 시 농업용 관리기의 엔진 부하율 분석

이시언; 김택진; 김용주; 임류갑; 김완수

doi:10.7839/ksfc.2023.20.2.031

[국내논문] 플라우 및 로터리 작업 시 농업용 관리기의 엔진 부하율 분석
Analysis of Engine Load Factor for Agricultural Cultivator during Plow and Rotary Tillage Operation 원문보기

드라이브ㆍ컨트롤 = Journal of drive and control, v.20 no.2, 2023년, pp.31 - 39

이시언 (Department of Bio-Industrial Machinery Engineering, Kyungpook National University) , 김택진 (Department of Drive System Team, TYM R&D Center) , 김용주 (Department of Biosystems Machinery Engineering, Chungnam National University) , 임류갑 (Department of Smart Agriculture, Korea Agriculture Technology Promotion Agency) , 김완수 (Department of Bio-Industrial Machinery Engineering, Kyungpook National University)

Abstract ▼ AI-Helper

The aim of this study was to measure and analyze engine load factor (LF) according to working conditions (operation type and gear stage) of small agricultural multi-purpose cultivator to estimate the emission of air pollutants. To calculate LF, a torque sensor capable of collecting torque and rotational speed was installed on the engine output shaft and DAQ was used to collect data. A field test was conducted with major operation of a cultivator and tillage operations (plow tillage and rotary tillage). Engine power was calculated using engine torque and rotational speed and LF was calculated using real-time power and rated power. In addition, unified LF was calculated using the weight for each operation and the average LF for each operation. As a result, average LF values at 1.87 and 3.10 km/h by plow tillage were 0.50 and 0.69, respectively. Average LF values at 1.87 and 3.10 km/h by rotary tillage were 0.70 and 0.78, respectively. Furthermore, unified LF calculated in consideration of the weight factor showed a value of 0.65, which was 135% higher than the conventional LF (0.48). Results of this study could be used as basic information for realizing LF values in the field of agricultural machinery.

주제어

표/그림 (20)

그림 Fig. 1 Engine performance curve of cultivator used in this study
표 Table 1 Specifications of cultivator
그림 Fig. 2 Torque sensor installed on the engine shaft of the cultivator
그림 Fig. 3 Instrumentation system for engine data collection of the cultivator
그림 Fig. 4 Field experiment site for LF data collection of cultivator
그림 Fig. 5 Photos of field experiment: (a) plow tillage and (b) rotary tillage
표 Table 2 Specifications of torque sensor
그림 Fig. 6 Working patterns of cultivator during field experiments
그림 Fig. 7 Schematic diagram of unified load factor calculation process
표 Table 3 Number of data by operating conditions
표 Table 4 Result of calculating the unified load factorusing the weight factor using the weight factor
그림 Fig. 8 Engine characteristic profile for cultivator during plow tillage: (a) 1.87 km/h (b) 3.10 km/h
표 Table 5 Results of engine characteristic analysis for cultivator during plow tillage
그림 Fig. 9 Engine characteristic profile for cultivator during rotary tillage: (a) 1.87 km/h and (b) 3.10 km/h
그림 Fig. 10 Result of mapping the load factor to the engine map: (a) plow tillage and (b) rotary tillage
표 Table 6 Results of engine characteristic analysis for cultivator during rotary tillage
그림 Fig. 11 Comparison between LF values measured through experiments and conventional LF
그림 Fig. 12 Evaluation results of cultivator LF by each working conditions
표 Table 7 Result of calculating the unified load factor using the weight factor
그림 Fig. 13 Comparison between the unified LF of the cultivator derived from this study and the LF of construction³⁾ and agricultural machinery^6-7) derived from previous studies

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