Study of Practical Use of Machine Combined Seeder and Thinner with Compressed Air

机用压缩空气联合播种机和稀薄机的实用化研究

• 批准号: 61860026
• 负责人: KAWAMURA Tsuneo
• 金额: $ 5.82万
• 依托单位: Kobe university
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Developmental Scientific Research
• 财政年份: 1986
• 资助国家: 日本
• 起止时间: 1986 至 1988
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-61860026/
• 关键词: Machine Combined Seeder and Thinner; Precision Fruidic Drill Machine Operated by Compressed Air; Thinning Unit with Jetted out an Agricultural Chemical; Active Control Method for Seeding Numbers; アクティブ・コントロール; 薬液噴射式間引き機構; 植物生長画像データベース; 微少量定量吐出バルブ /

The objects of this research are to develop a machine combined seeder and thinner on a high-clearlance, 4WD tractor and to investigate its practical use. 1.1986(the first year) : A seeding unit is a precision fruidic drill machine operated by compressed air. Germinated seeds float in gel made by pladtic particiles with high capacity water absorbing characteristics and the both of seeds and gel are carried by compressed air of 0.05-03kgf/cm^2 pressures. Because it is difficult to keep seeds distribution for conveying constant, an active control method which controls a conveying speed by detecting time interval of conveyed seeds and residue of gen in the tank, and controls to remove unnecessary gel and seeds to a reservoir is made on trial. A thinning unit is constructed by a very low volume discharging valve for factory automation. An Agricultural chemical is sent and jetted to a target by compressed air. In this year, next terms are obtaind from experiments. (1)conveying speed of gel a … More nd seed with pressure value of compressed air, (2)relation between flow rate of agricultural chemicals, nozzle varieties, covering area and pressure value of compressed air. 2.1987(the second year) : The seeding unit is improved to full electronic-pneumatic controlling operation with 8-bit cpu by changing a pinch valve from a electro-magnetic solenoid to an air cylinder. The thinning unit is improved by changing the very low volume discharging valve from a electro-magnetic operated valve to a full air operation valve, so an acculately constant discharge is obtained and a wirepulling phenomenon is prevented. In the next place, a manipulator moving on two dimensional planeis made on trial. The manipulator is controlled by an image processing unit and moves the very low volume dischaging valve on a target. And then, the seeding unit, the thinning unit, the controller and compressor are built in a high-clearlance 4WD tractor and experiments were done. 3.1988(the last year) : Optimum values of a density of gel, a rate mixing gel and germinated or dried seeds, pressure value for conveying and seeding gel and seeds as to various kinds of vegetable are obtained on the field tests. for the thinning unit, optimum values of a density of agricultural chemical used on this research, discharging pressure are obtained. 4. future research : A future research is to clarify next terms. (1)Construction of image databases which are leaf area of seedling, growing speed of leaf and stalk of seedling, shape of leaf and extraction of significant features about growing stages of vegetables and weeds, (2)Automation of plant control added to the seeding and thinning operation. Less

本研究的目的是开发一种在高间隙四轮驱动拖拉机上组合播种机和稀释剂的机器，并研究其实际用途。 1.1986（第一年）：播种机是一种由压缩空气驱动的精密流体播种机。发芽的种子漂浮在具有高吸水特性的塑料颗粒制成的凝胶中，种子和凝胶均由0.05-03kgf/cm^2压力的压缩空气携带。由于难以保持输送种子分布恒定，因此尝试采用主动控制方法，通过检测输送种子的时间间隔和槽内的种质残留物来控制输送速度，并控制将不需要的凝胶和种子移至储液器中。稀疏装置由用于工厂自动化的极低容量排放阀构成。通过压缩空气将农业化学品发送并喷射到目标。今年，下一项是通过实验获得的。 (1)凝胶、种子的输送速度与压缩空气压力值的关系，(2)农药流量、喷嘴品种、覆盖面积与压缩空气压力值的关系。 2.1987年（第二年）：播种机由电磁螺线管改为气缸，改进为采用8位CPU的全电子气动控制操作。对细化装置进行了改进，将微量出料阀由电磁操作阀改为全气动操作阀，从而获得精确恒定的出料，并防止拉丝现象。其次，试制了二维平面上运动的机械臂。操纵器由图像处理单元控制，并将极低流量排放阀移动到目标上。然后将播种装置、间苗装置、控制器和压缩机安装在高间隙四轮驱动拖拉机上并进行试验。 3.1988年（去年）：通过田间试验获得了各种蔬菜的凝胶密度、凝胶与发芽或干燥种子的混合率、输送和播种凝胶和种子的压力值的最佳值。对于间伐装置，获得了本研究中使用的农药浓度、排放压力的最佳值。 4.未来的研​​究：未来的研究是为了澄清接下来的术语。 (1)构建苗木叶面积、苗木叶柄生长速度、叶形以及提取蔬菜和杂草生长阶段显着特征的图像数据库，(2)在播种和间苗操作中添加植物控制自动化。较少的

项目成果

西村功: 農業機械学会関西支部報. 64号. 65-66 (1988)

Isao Nishimura：日本农业机械学会关西分会杂志，第 64. 65-66 (1988)。

西村功: 農業機械学会関西支部報. 66号. (1989)

Isao Nishimura：日本农业机械学会关西分会杂志，第 66 期（1989 年）。

川村恒夫: 第46回農業機械学会年次大会講演要旨. 54 (1987)

Tsuneo Kawamura：第 46 届日本农业机械学会年会摘要 54（1987）。

西村功: 農業機械学会関西支部報. 62号. 74-75 (1987)

Isao Nishimura：日本农业机械学会关西分会公报，第 62. 74-75 号（1987 年）。

西村功: 農業機械学会関西支部報. 62号. 72-73,88 (1987)

Isao Nishimura：日本农业机械学会关西分会通报第 62. 72-73,88 (1987)。