Results 1 to 10 of about 29,294 (151)

Design of 4UM-120D Electric Leafy Vegetable Harvester Cutter Height off the Ground Automatic Control System Based on Incremental PID

Agriculture, 2023
In this study, a 4UM-120D electric leafy vegetable harvester was employed as the research object. An automatic control system was created to maintain the cutter’s height above the ground within ±2% of the desired value.
Wenming Chen, Lianglong Hu, Gongpu Wang, Jianning Yuan, Guocheng Bao, Haiyang Shen, Wen Wu, Zicheng Yin   +7 more
doaj   +3 more sources

Research on the Control Strategy of Leafy Vegetable Harvester Travel Speed Automatic Control System

AgriEngineering, 2022
This paper used the 4UM-120D electric leafy vegetable harvester as the research object and designed a travel speed automatic control system to maintain the travel speed within a set value of ±2% in order to improve the efficiency and quality of leafy ...
Wenming Chen, Gongpu Wang, Lianglong Hu, Jianning Yuan, Wen Wu, Guocheng Bao, Zicheng Yin   +6 more
doaj   +3 more sources

Design and test of reel speed control system for soybean combine harvester in the strip intercropping mode [PDF]

Scientific Reports
At present, the speed of the reel of soybean combine harvester is mainly adjusted manually, and basically does not have the ability to automatically adjust the speed of the reel according to changes in crops or working speed.
Yuancai Leng, Yuan Fu, Kaiyan Liu, Peng Tang, Jialong Tang, Renqi Wang, Xiaorong Lv   +6 more
doaj   +2 more sources

Behavior analysis of soil by motion of a root-cutting blade in soil for an automatic spinach harvester

Nihon Kikai Gakkai ronbunshu, 2015
Soil behavior generated by a root-cutting blade moving under the ground of an automatic spinach harvester for spinach for eating raw is analyzed in this paper.
Akihiro FUJISAWA, Yuichi CHIDA, Kojiro IIZUKA   +2 more
doaj   +3 more sources

Height detection of crop divider toes of sugarcane harvester based on Kalman adaptive adjustment [PDF]

Scientific Reports, 2023
Crop divider toes are an essential device of sugarcane harvester. Moving forward against the ground is a critical way to improve the harvesting rate of lodged sugarcane.
Chunming Wen, Yunzhi Yan, Wanling Wu, Jianheng Li, Bingxu Hou, Wenxuan Cui, Youzong Huang, Kaihua Li, Xiaozhu Long, Hongliang Nong   +9 more
doaj   +2 more sources

Design and Experiment of an Unoccupied Control System for a Tracked Grain Vehicle [PDF]

Sensors
In order to enhance crop harvesting efficiency, an automatic-driving tracked grain vehicle system was designed. Based on the harvester chassis, we designed the mechanical structure of a tracked grain vehicle with a loading capacity of 4.5 m3 and a grain ...
Jiahui Pan, Lizhang Xu, En Lu, Buwang Dai, Tiaotiao Chen, Weiming Sun, Zhihong Cui, Jinpeng Hu   +7 more
doaj   +2 more sources

Path planning of the root-cutting blade for the automatic spinach harvester in consideration of movement of soil

Nihon Kikai Gakkai ronbunshu, 2017
This paper describes about path planning for a root-cutting blade of an automatic spinach harvester. Automatic harvesters for spinach have not been widely used among farmers because mechanical harvesting easily spells bruises to stems and leaves. We have
Akihiro FUJISAWA, Yuichi CHIDA
doaj   +3 more sources

Arm length and arm angle control of two-degree of freedom system of an automatic harvester for soft vegetables (1st report, arm length control of a root cutting blade)

Nihon Kikai Gakkai ronbunshu, 2017
In the present paper, development of an automatic spinach harvester is discussed. Our research group has been developing a prototype harvester and many filed tests have been successfully executed. The field test results show that spinach can be picked up
Takamitsu HATAKEYAMA, Kosuke HIRANO, Yuta NAKAMURA, Akihiro FUJISAWA, Takashi TSUCHIYA, Tatsuya YAMAGUCHI, Yuichi CHIDA, Tatsuya YOSHIMURA   +7 more
doaj   +3 more sources

Development and Testing of Automatic Row Alignment System for Corn Harvesters

Applied Sciences, 2022
Corn harvester row alignment is a critical factor to improve harvesting quality and reduce cob drop loss. In this paper, a corn harvester automatic row alignment system is designed with a self-propelled corn combine harvester, incorporating a front-end ...
Aijun Geng, Xiaolong Hu, Jiazhen Liu, Zhiyong Mei, Zhilong Zhang, Wenyong Yu   +5 more
doaj   +1 more source

Effect of Mechanical Harvesting Technology Type and Harvester Ownership and Services Acquisition Methods on Profitability of Wild Blueberry Production

International Journal of Fruit Science, 2023
The profitability of wild blueberry (Vaccinium angustifolium) production using two alternative mechanical harvesters was evaluated under three different harvester ownership/service arrangements commonly used by farmers.
Emmanuel K. Yiridoe, Ahmad H. Khan, Travis J. Esau, Prosper S. Koto, Qamar U. Zaman   +4 more
doaj   +1 more source