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Design and testing of planting unit for rice dry-direct-seeding planter in cold region 寒区水稻旱作直播播种机种植装置的设计与试验
2区 农林科学 Q1 Agricultural and Biological Sciences Pub Date : 2023-01-01 DOI: 10.25165/j.ijabe.20231604.7843
Jiale Zhao, Chengliang Zhang, Yanpeng Wei, Mingzhuo Guo, Chao Chen, Chongqin Zhang, Yungan Zhang
Rice dry-direct-seeding technology is a time-saving, cost-saving and efficient rice cultivation technique that increases the efficiency of seeding. In order to implement the specialization, light simplicity and scale of rice production, improve the level of mechanization of the whole rice production process, and solve the problems of uneven seed furrows, uneven number of seeds sown, shallow mulching and uncompact repression that occur during the promotion and application of dry-direct-seeding for rice in the cold region of northeast China. In this paper, a planting unit for rice dry-direct-seeding planter is designed. The working principles and structural parameters of the furrow opening components, the seeding apparatus and the soil covering-pressing device are described. The mechanical model of the key components of the seeding unit was established, and the forward speed, roller diameter and compacting strength were selected as the test factors. A three-factor, five-level quadratic rotation orthogonal combination test was conducted with the seed breakage rate, seeding depth qualification rate, seeding uniformity coefficient of variation and hole grain count qualification rate as the evaluation indexes. Field performance test and test results show that: at a forward speed of 4 km/h, a roller diameter of 427 mm and a compacting strength of 48.45 kPa, the seed breakage rate was 1.31%, the sowing depth qualification rate was 9.95%, the coefficient of variation of sowing uniformity was 3.75% and the number of holes was 86.75%. This accords with the agronomic requirements of dry-direct-seeding for rice and implements a combination of superior agronomy and modern farm machinery. Keywords: rice, dry-direct-seeding, planting unit, structural design, testing research DOI: 10.25165/j.ijabe.20231604.7843 Citation: Zhao J L, Zhang C L, Wei Y P, Guo M Z, Chen C, Zhang C Q, et al. Design and testing of planting unit for rice dry-direct-seeding planter in cold region. Int J Agric & Biol Eng, 2023; 16(4): 76-84
水稻干播技术是一种省时、节约成本、提高播种效率的水稻栽培技术。为实现水稻生产专业化、轻型化、规模化,提高水稻生产全过程机械化水平,解决东北寒区水稻旱作直播推广应用过程中出现的种沟不平整、播种数量不均匀、覆盖浅、压制不密实等问题。本文设计了一种水稻干播种机的播种装置。介绍了开沟部件、播种器和覆盖压土装置的工作原理和结构参数。建立了播种机关键部件的力学模型,选取前进速度、辊筒直径和压实强度作为试验因素。以碎种率、播深合格率、播种均匀变异系数和孔粒数合格率为评价指标,进行三因素五水平二次旋转正交组合试验。现场性能试验及试验结果表明:在前进速度为4 km/h、辊筒直径为427 mm、压实强度为48.45 kPa的条件下,种子破碎率为1.31%,播种深度合格率为9.95%,播种均匀度变异系数为3.75%,孔数为86.75%。这既符合水稻干播的农艺要求,又实现了优势农艺与现代农业机械的结合。关键词:水稻,旱作直播,种植单元,结构设计,试验研究DOI: 10.25165/ j.j ijabe.20231604.7843引用本文:赵建林,张春林,魏永平,郭明志,陈超,张春青,等。寒区水稻旱作直播播种机种植装置的设计与试验。农业与生物工程学报,2023;16 (4): 76 - 84
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引用次数: 0
Digital twins in smart farming: An autoware-based simulator for autonomous agricultural vehicles 智能农业中的数字孪生:用于自动农业车辆的基于汽车的模拟器
2区 农林科学 Q1 Agricultural and Biological Sciences Pub Date : 2023-01-01 DOI: 10.25165/j.ijabe.20231604.8039
Xin Zhao, Wanli Wang, Long Wen, Zhibo Chen, Sixian Wu, Kun Zhou, Mengyao Sun, Lanjun Xu, Bingbing Hu, Caicong Wu
Digital twins can improve the level of control over physical entities and help manage complex systems by integrating a range of technologies. The autonomous agricultural machine has shown revolutionary effects on labor reduction and utilization rate in field works. Autonomous vehicles in precision agriculture have the potential to improve competitiveness compared to current crop production methods and have become a research hotspot. However, the development time and resources required in experiments have limited the research in this area. Simulation tools in unmanned farming that are required to enable more efficient, reliable, and safe autonomy are increasingly demanding. Inspired by the recent development of an open-source virtual simulation platform, this study proposed an autoware-based simulator to evaluate the performance of agricultural machine guidance based on digital twins. Oblique photogrammetry using drones is used to construct three-dimensional maps of fields at the same scale as reality. A communication format suitable for agricultural machines was developed for data input and output, along with an inter-node communication methodology. The conversion, publishing, and maintenance of multiple coordinate systems were completed based on ROS (Robot Operating System). Coverage path planning was performed using hybrid curves based on Bézier curves, and it was tested in both a simulation environment and actual fields with the aid of Pure Pursuit algorithms and PID controllers. Keywords: autoware, simulation platform, autonomous agricultural vehicle, digital twin; autonomous robots DOI: 10.25165/j.ijabe.20231604.8039 Citation: Zhao X, Wang W L, Wen L, Chen Z B, Wu S X, Zhou K, et al. Digital twins in smart farming: An autoware-based simulator for autonomous agricultural vehicles. Int J Agric & Biol Eng, 2023; 16(4): 185-190.
数字孪生可以提高对物理实体的控制水平,并通过集成一系列技术帮助管理复杂的系统。自主农业机械在减少劳动力和提高田间作业利用率方面发挥了革命性的作用。与目前的作物生产方式相比,精准农业中的自动驾驶汽车具有提高竞争力的潜力,已成为研究热点。然而,实验所需的开发时间和资源限制了这一领域的研究。为了实现更高效、可靠和安全的自主性,无人农场需要越来越多的仿真工具。受开源虚拟仿真平台最新发展的启发,本研究提出了一种基于数字孪生的自动仿真器,用于评估农机制导性能。使用无人机的倾斜摄影测量用于构建与现实相同比例尺的三维野外地图。开发了一种适合农业机械的数据输入和输出通信格式,以及节点间通信方法。基于ROS (Robot Operating System)完成多个坐标系的转换、发布和维护。采用基于bsamzier曲线的混合曲线进行覆盖路径规划,并结合Pure Pursuit算法和PID控制器在仿真环境和实际现场进行了测试。关键词:自动化软件,仿真平台,自动农用车,数字孪生;自主机器人DOI: 10.25165/ j.j ijabe.20231604.8039引用本文:赵鑫,王文林,文磊,陈志斌,吴世祥,周凯,等。智能农业中的数字孪生:用于自动农业车辆的基于汽车的模拟器。农业与生物工程学报,2023;16(4): 185 - 190。
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引用次数: 0
Design and experiment of fuzzy-PID based tillage depth control system for a self-propelled electric tiller 基于模糊pid的自行式电动分蘖机耕深控制系统设计与试验
2区 农林科学 Q1 Agricultural and Biological Sciences Pub Date : 2023-01-01 DOI: 10.25165/j.ijabe.20231604.8116
Maohua Xiao, Ye Ma, Chen Wang, Junyun Chen, Yejun Zhu, Petr Bartos, Guosheng Geng
The research on the self-propelled electric tiller is vital for further improving the quality and efficiency of greenhouse rotary tillage operation, reducing the work intensity and operation risk of operators, and achieving environmentally friendly characteristics. Most of the existing self-propelled tillers rely on manual adjustment of the tillage depth. Moreover, the consistency and stability of the tillage depth are difficult to guarantee. In this study, the automatic control method of tillage depth of a self-propelled electric tiller is investigated. A method of applying the fuzzy PID (Proportional Integral Derivative) control method to the tillage depth adjustment system of a tiller is also proposed to realize automatic control. The system uses the real-time detection of the resistance sensor and angle sensor. The controller runs the electronically controlled hydraulic system to adjust the force and position comprehensively. The fuzzy control algorithm is used in the operation error control to realize the double-parameter control of the tillage depth. The simulation and experimental verification of the system are conducted. Results show that the control system applying fuzzy PID can improve the soil breaking rate by 3% in the operation process based on reducing the stability variation of tillage depth by 24%. The control strategy can reach the set value of tillage depth quickly and accurately. It can also meet the requirement of tillage depth consistency during the operation. Keywords: fuzzy PID, self-propelled electric tiller, tillage depth, electro-controlled hydraulic system, comprehensive adjustment of force and position DOI: 10.25165/j.ijabe.20231604.8116 Citation: Xiao M H, Ma Y, Wang C, Chen J Y, Zhu Y J, Bartos P, et al. Design and experiment of fuzzy-PID based tillage depth control system for a self-propelled electric tiller. Int J Agric & Biol Eng, 2023; 16(4): 116-125.
自走式电动分蘖机的研究对于进一步提高温室旋耕机作业质量和效率,降低操作人员的工作强度和操作风险,实现环境友好化具有重要意义。现有的自行式分蘖机大多依靠人工调节耕作深度。此外,耕作深度的一致性和稳定性难以保证。本文研究了自行式电动分蘖机的耕深自动控制方法。提出了一种将模糊PID(比例积分导数)控制方法应用于分蘖机耕深调节系统,实现自动控制的方法。该系统采用电阻传感器和角度传感器进行实时检测。控制器通过电控液压系统对力和位置进行综合调节。在操作误差控制中采用模糊控制算法,实现了耕作深度的双参数控制。对系统进行了仿真和实验验证。结果表明,采用模糊PID控制系统,在将耕深稳定性变化降低24%的基础上,可使操作过程中的破土率提高3%。该控制策略能快速、准确地达到耕深设定值。同时也能满足作业中对耕作深度一致性的要求。关键词:模糊PID,自走式电动分耕机,耕深,电控液压系统,力位综合调节[DOI: 10.25165/ j.j ijabe.20231604.8116]基于模糊pid的自行式电动分蘖机耕深控制系统设计与试验。农业与生物工程学报,2023;16(4): 116 - 125。
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引用次数: 0
Analysis of black soil compaction with driver-agricultural machinery-soil system under corn sowing with high-power tractor in Northeast China 大功率拖拉机玉米播种黑土驾驶员-农机-土壤系统压实分析
2区 农林科学 Q1 Agricultural and Biological Sciences Pub Date : 2023-01-01 DOI: 10.25165/j.ijabe.20231604.7284
Xiao Yang, Zhiqiang Zhai, Weijie Guo, Wenjie Li, Minli Yang, Zhenghe Song
Soil compaction leads to crop yield reduction in Northeast of China. The interaction mechanism of driver-agricultural machinery-black soil is not clear. A comprehensive field experiment of 4 hm2 of maize seeding was carried out in Baiquan County Cooperative. The results showed that the average increase rates of soil compaction before and after sowing were 118.82% and 71.02%. The SEM showed that waist fatigue had the greatest impact on soil compaction, and the unit fatigue of waist caused 1.51 and 1.27 unit compactions to the soil at the depths of 10 cm and 20 cm. The neck, waist, arm and leg fatigue of drivers increased the surface soil compaction by 1.83, 1.76, 1.78 and 1.55 units, and the deep soil compaction by 1.65, 1.58, 1.60 and 1.40 units. The results can provide a reference for the integration of human factor efficiency and conservation tillage. Keywords: agriculture ergonomics, structural equation model, black soil compaction, sowing, high-power tractor DOI: 10.25165/j.ijabe.20231604.7284 Citation: Yang X, Zhai Z Q, Guo W J, Li W J, Yang M L, Song Z H. Analysis of black soil compaction with driver-agricultural machinery-soil system under corn sowing with high-power tractor in Northeast China. Int J Agric & Bio Eng, 2023; 16(4): 168-173
土壤压实导致东北地区农作物减产。驾驶员-农机-黑土的相互作用机制尚不清楚。在百泉县合作社进行了4 hm2玉米播种综合大田试验。结果表明,播前、播后土壤压实度平均增幅分别为118.82%和71.02%。SEM结果表明,腰部疲劳对土壤压实的影响最大,在10 cm和20 cm深度,腰部单位疲劳对土壤压实的影响分别为1.51和1.27个单位。驾驶员颈部、腰部、手臂和腿部疲劳分别增加表层土壤压实1.83、1.76、1.78和1.55个单位,深层土壤压实1.65、1.58、1.60和1.40个单位。研究结果可为人因效率与保护性耕作的整合提供参考。关键词:农业工效学,结构方程模型,黑土压实,播种,大功率拖拉机[DOI: 10.25165/ j.j ijabe.20231604.7284]引用本文:杨欣,翟志强,郭文杰,李文杰,杨明林,宋志华。大功率拖拉机玉米播种黑土驾驶员-农机-土壤系统压实分析。农业与生物工程学报,2023;16 (4): 168 - 173
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引用次数: 0
Design of motor-driven precision seed-metering device with improved fuzzy PID controller for small peanut planters 小型花生播种机电动精密排种装置的改进模糊PID控制设计
IF 2.4 2区 农林科学 Q1 Agricultural and Biological Sciences Pub Date : 2023-01-01 DOI: 10.25165/j.ijabe.20231601.7859
Yan Yu, Yanrui Hu, Shuqi Shang, Linsong Diao, Ruchao Ge, Xing Zhang
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引用次数: 0
Comparison of nutrient use efficiency, antioxidant assay, and nutritional quality of butter-head lettuce (Lactuca sativa L.) in five cultivation systems 五种栽培体系下油头莴苣养分利用效率、抗氧化性能及营养品质的比较
IF 2.4 2区 农林科学 Q1 Agricultural and Biological Sciences Pub Date : 2023-01-01 DOI: 10.25165/j.ijabe.20231601.6794
Mazhar H. Tunio, Jianmin Gao, Tarek M. K. Mohamed, Fiaz Ahmad, Irfan Abbas, Sher Ali Shaikh
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引用次数: 0
Vision-based measuring method for individual cow feed intake using depth images and a Siamese network 基于深度图像和暹罗网络的奶牛采食量视觉测量方法
2区 农林科学 Q1 Agricultural and Biological Sciences Pub Date : 2023-01-01 DOI: 10.25165/j.ijabe.20231603.7985
Xinjie Wang, Baisheng Dai, Xiaoli Wei, Weizheng Shen, Yonggen Zhang, Benhai Xiong
Feed intake is an important indicator to reflect the production performance and disease risk of dairy cows, which can also evaluate the utilization rate of pasture feed. To achieve an automatic and non-contact measurement of feed intake, this paper proposes a method for measuring the feed intake of cows based on computer vision technology with a Siamese network and depth images. An automated data acquisition system was first designed to collect depth images of feed piles and constructed a dataset with 24 150 samples. A deep learning model based on the Siamese network was then constructed to implement non-contact measurement of feed intake for dairy cows by training with collected data. The experimental results show that the mean absolute error (MAE) and the root mean square error (RMSE) of this method are 0.100 kg and 0.128 kg in the range of 0-8.2 kg respectively, which outperformed existing works. This work provides a new idea and technology for the intelligent measuring of dairy cow feed intake. Keywords: computer vision, Siamese network, cow feed intake, depth image, precision livestock farming DOI: 10.25165/j.ijabe.20231603.7985 Citation: Wang X J, Dai B S, Wei X L, Shen W Z, Zhang Y G, Xiong B H. Vision-based measuring method for individual cow feed intake using depth images and a Siamese network. Int J Agric & Biol Eng, 2023; 16(3): 233–239.
采食量是反映奶牛生产性能和疾病风险的重要指标,也是评价牧草饲料利用率的重要指标。为了实现采食量的自动非接触测量,本文提出了一种基于暹罗网络和深度图像的计算机视觉技术测量奶牛采食量的方法。首先设计了自动数据采集系统,采集饲料桩深度图像,构建了24 150个样本的数据集。然后构建基于Siamese网络的深度学习模型,通过对收集到的数据进行训练,实现奶牛采食量的非接触测量。实验结果表明,该方法在0 ~ 8.2 kg范围内的平均绝对误差(MAE)为0.100 kg,均方根误差(RMSE)为0.128 kg,优于现有方法。为奶牛采食量的智能测量提供了新的思路和技术。关键词:计算机视觉,Siamese网络,奶牛采食量,深度图像,畜牧精准养殖DOI: 10.25165/ j.j ijabe.20231603.7985引用本文:王小杰,戴宝生,魏小林,沈文忠,张永刚,熊宝华。基于深度图像和Siamese网络的奶牛个体采食量视觉测量方法。农业与生物工程学报,2023;16(3): 233 - 239。
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引用次数: 0
Simulation and experiment of a transplanting mechanism for sweet potato seedlings with ‘boat-bottom’ transplanting trajectory 红薯“船底”移栽轨迹移栽机理的模拟与试验
2区 农林科学 Q1 Agricultural and Biological Sciences Pub Date : 2023-01-01 DOI: 10.25165/j.ijabe.20231603.7613
Yuanyuan Shao, Hongdong Zhang, Guantao Xuan, Tao Zhang, Xianlu Guan, Fuhui Wang
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引用次数: 0
Determination of key soil characteristic parameters using angle of repose and direct shear stress test 利用休止角和直接剪应力试验确定土的关键特性参数
2区 农林科学 Q1 Agricultural and Biological Sciences Pub Date : 2023-01-01 DOI: 10.25165/j.ijabe.20231603.6293
Qizhi Yang, Lei Shi, Aiping Shi, Mingsheng He, Xiaoqi Zhao, Li Zhang, Min Addy
{"title":"Determination of key soil characteristic parameters using angle of repose and direct shear stress test","authors":"Qizhi Yang, Lei Shi, Aiping Shi, Mingsheng He, Xiaoqi Zhao, Li Zhang, Min Addy","doi":"10.25165/j.ijabe.20231603.6293","DOIUrl":"https://doi.org/10.25165/j.ijabe.20231603.6293","url":null,"abstract":"","PeriodicalId":13895,"journal":{"name":"International Journal of Agricultural and Biological Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135361599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Indoor smart farming by inducing artificial climate for high value-added crops in optimal duration 通过诱导人工气候在最佳持续时间种植高附加值作物的室内智能农业
2区 农林科学 Q1 Agricultural and Biological Sciences Pub Date : 2023-01-01 DOI: 10.25165/j.ijabe.20231603.6863
Attique ur Rehman, Abdul Razzaq, Adnan Altaf, Salman Qadri, Aamir Hussain, Ali Nawaz Khan, None Tausif-ur-Rehman, Zaid Sarfraz
{"title":"Indoor smart farming by inducing artificial climate for high value-added crops in optimal duration","authors":"Attique ur Rehman, Abdul Razzaq, Adnan Altaf, Salman Qadri, Aamir Hussain, Ali Nawaz Khan, None Tausif-ur-Rehman, Zaid Sarfraz","doi":"10.25165/j.ijabe.20231603.6863","DOIUrl":"https://doi.org/10.25165/j.ijabe.20231603.6863","url":null,"abstract":"","PeriodicalId":13895,"journal":{"name":"International Journal of Agricultural and Biological Engineering","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135361621","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
期刊
International Journal of Agricultural and Biological Engineering
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