DEVELOPMENT AND FIELD TEST OF AN AUTONOMOUS STRAWBERRY PLUG SEEDING TRANSPLANTER FOR USE IN ELEVATED CULTIVATION
文献类型： 外文期刊
作者： Liu, J. Z. 1 ; Zhao, S. Y. 1 ; Li, N. 1 ; Faheem, M. 1 ; Zhou, T. 1 ; Cai, W. J. 2 ; Zhao, M. Z. 2 ; Zhu, X. Y. 3 ; Li, P. P 1 ;
作者机构： 1.Jiangsu Univ, Key Lab Modern Agr Equipment & Technol, Minist Educ, Zhenjiang, Jiangsu, Peoples R China
2.Jiangsu Acad Agr Sci, Inst Pomol, Nanjing, Peoples R China
3.Jiangsu Univ, Lab Modern Agr Equipment & Technol, Minist Educ, Zhenjiang, Jiangsu, Peoples R China
4.Nanjing Forestry Univ, Coll Forest Resources & Environm, Nanjing, Peoples R China
关键词： Autonomous; Elevated cultivation; Strawberry; Seedling; Transplanter
期刊名称：APPLIED ENGINEERING IN AGRICULTURE （ 影响因子：0.985； 五年影响因子：1.02 ）
ISSN： 0883-8542
年卷期： 2019 年 35 卷 6 期
页码：
收录情况： SCI
摘要： Transplanting seedlings is one of the most important but labor-intensive operations in strawberry cultivation. However, oversized strawberry seedlings, the planting environment of elevated cultivation facilities and the requirement of positioning the arched back outward are unique challenges compared with current transplanters for other plants. First, we investigated the working environment and goal of the transplanter. In this research, a new system was proposed that is completely different from existing transplanters. The main components, including the autonomous vehicle navigated with an arc array of photoelectric switches, the pneumatic rotary dual-gripper unit, the dual-hole punching unit, the grip punch coupled transportation unit, and the easy plug-feeding unit, were developed. Then, the structure and basic control logic of the control system was introduced, and an autonomous control mode with minimal manual intervention was described. In field tests, it was found that the prototype achieved the autonomous transplantation of oversized strawberry seedlings into elevated facilities, ensuring the proper orientation of the arched back. The overall success rate and speed reached 95.3% and 1047.8 plants/h, respectively, and the coefficients of variation of plant distance, row spacing, and row straightness were 4.67%, 6.55% and 5.77%, respectively. The transplanter developed here has good application prospects to replace manual operation.
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