数字农科院2.0

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： Zhao, S. Y.;Li, N.;Zhao, M. Z.;Cai, W. J.;Liu, J. Z.;Liu, J. Z.;Zhu, X. Y.;Li, P. P.;Faheem, M.;Zhou, T.

作者机构：

关键词： Autonomous; Elevated Cultivation; Strawberry; Seedling; Transplanter

期刊名称： APPLIED ENGINEERING IN AGRICULTURE

ISSN： 0883-8542

年卷期： 2019 年 35 卷 6 期

页码：

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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