Explanipedia

High-Precision Mapping and Real-Time Localization for Agricultural Machinery Sheds and Farm Access Roads Environments Open

Yu Yang, Zijian Li, Buwang Dai, Jiahui Pan, Lizhang Xu · 2025

To address the issues of signal loss and insufficient accuracy of traditional GNSS (Global Navigation Satellite System) navigation in agricultural machinery sheds and farm access road environments, this paper proposes a high-precision mapp…

Cross-Year Rapeseed Yield Prediction for Harvesting Management Using UAV-Based Imagery Open

Yanni Zhang, Yaxiao Niu, Zhihong Cui, Xiaoyu Chai, Lizhang Xu · 2025

Accurate estimation of rapeseed yield is crucial for harvesting decisions and improving efficiency and output. Machine learning (ML) models driven by remote sensing data are widely used for yield prediction. This study explores the general…

Increased expression of the neuroplastin 65 protein is involved in neurofibrillary tangles and amyloid beta plaques in Alzheimer’s disease Open

Ya-Ni Zheng, Yan Wang, Ling Chen, Lizhang Xu, Lei Zhang , et al. · 2025

BACKGROUND Alzheimer’s disease (AD) is a progressive neurodegenerative disorder currently lacking effective therapeutic interventions. Pathological hallmarks of AD include intracellular neurofibrillary tangles (NFTs) and extracellular amyl…

Energy optimization control of extended-range hybrid combine harvesters based on quasi-cycle power demand estimation Open

Shuofeng Weng, Chaochun Yuan, Youguo He, Jie Shen, Lizhang Xu , et al. · 2025

This study develops an energy management strategy (EMS) for hybrid combine harvesters to address fluctuating power demands in agricultural operations. By segmenting harvesting processes into quasi-periodic cycles linked to machine dynamics…

Design and testing of a bionic flexible low-damage tobacco-leaf harvesting mechanism Open

Jie Yu, Jinkui Chu, Mengrui Zhang, Yuzhu Ran, Xiang Dong , et al. · 2025

Addressing the agronomic requirements of a high harvesting rate and a low breakage rate in mechanical tobacco-leaf harvesting, this study, rooted in biomimetic approaches, analyzed the kinematic patterns and force application characteristi…

Design of attitude-adjustable chassis and dynamic stress analysis of key components for crawler combine harvester Open

Jinpeng Hu, Yang Yu, Tianle Ma, Peng Liu, Lizhang Xu · 2024

To address the issues of leveling difficulties and poor stability of crawler combine harvesters in hilly and mountainous regions, this research analyzed the mechanical causes of overturning instability in crawler combine harvesters and des…

Development and Experimentation of a Universal Array-Style Grain Flow Sensor for Multiple Crops Based on Random Forest Flow Regression Model Open

Xiaoyu Chai, Pengtao Zhang, Jinpeng Hu, Lizhang Xu, Maolin Shi , et al. · 2024

To develop a grain flow sensor for combine auger grain outlets, a combine auger elevator was evaluated as the research object. A multi-point distributed array-style differential grain flow sensor for rice and wheat has been developed and t…

Design, Development, Integration, and Field Evaluation of a Ridge-Planting Strawberry Harvesting Robot Open

Yu Yang, Hehe Xie, Kailiang Zhang, Yujie Wang, Yutong Li , et al. · 2024

Due to the complex unstructured environmental factors in ridge-planting strawberry cultivation, automated harvesting remains a significant challenge. This paper presents an oriented-ridge double-arm cooperative harvesting robot designed fo…

Enhancing Model Accuracy of UAV-Based Biomass Estimation by Evaluating Effects of Image Resolution and Texture Feature Extraction Strategy Open

yaxiao niu, Xiaoying Song, Liyuan Zhang, Lizhang Xu, Aichen Wang , et al. · 2024

The unmanned aerial vehicle (UAV) remote sensing technology provides new opportunities to estimate crop aboveground biomass (AGB). However, the application of UAV remote sensing data in practical farms remains challenging because to obtain…

Enhancing the Performance of Unmanned Aerial Vehicle-Based Estimation of Rape Chlorophyll Content by Reducing the Impact of Crop Coverage Open

Yaxiao Niu, Longfei Xu, Yanni Zhang, Lizhang Xu, Qingzhen Zhu , et al. · 2024

Estimating leaf chlorophyll content (LCC) in a timely manner and accurately is of great significance for the precision management of rape. The spectral index derived from UAV images has been adopted as a non-destructive and efficient way t…

Construction and Characteristic Analysis of Dynamic Stress Coupling Simulation Models for the Attitude-Adjustable Chassis of a Combine Harvester Open

Xiaoyu Chai, Jinpeng Hu, Tianle Ma, Peng Liu, Maolin Shi , et al. · 2024

The combine harvester equipped with attitude-adjustment functionality significantly enhances its adaptability to complex terrain but often struggles to maintain the reliability of its mechanisms. Therefore, investigating the dynamic load c…

Prediction of Feed Quantity for Wheat Combine Harvester Based on Improved YOLOv5s and Weight of Single Wheat Plant without Stubble Open

Qian Zhang, Qingshan Chen, Wenjie Xu, Lizhang Xu, En Lu · 2024

In complex field environments, wheat grows densely with overlapping organs and different plant weights. It is difficult to accurately predict feed quantity for wheat combine harvester using the existing YOLOv5s and uniform weight of a sing…

Design and Experiment of an Unoccupied Control System for a Tracked Grain Vehicle Open

Jiahui Pan, Lizhang Xu, En Lu, Buwang Dai, Tiaotiao Chen , et al. · 2024

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 …

Design and Parametric Optimization Study of an Eccentric Parallelogram-Type Uprighting Device for Ratoon Rice Stubbles Open

Shuaifeng Xing, Yu Yang, Guangqiao Cao, Jinpeng Hu, Linjun Zhu , et al. · 2024

To address the issue of reduced yield in the second season caused by damaged stubbles resulting from being compressed during the harvesting process of the first season’s ratoon rice, a device for rectifying the compressed stubbles was desi…

Simulation and Experimental Research on Speed Control of Electric Threshing Drum in Combine Harvester Based on Fonssmo-Mpc Control Strategy Open

Zhihao Zhu, chai xiaoyu, Lizhang Xu, Li Quan, Chaochun Yuan , et al. · 2024

Durable Testing and Analysis of a Cleaning Sieve Based on Vibration and Strain Signals Open

Zheng Ma, Zelin Zhang, Zhaohui Zhang, Zhiqiang Song, Yanbin Liu , et al. · 2023

Cleaning is one of the most important steps in the harvesting process, and the prolonged and high-load operation of the vibrating sieve can decrease its reliability. To uncover the structural flaws of the cleaning sieve in the crawler comb…

Design and Experiment of Bionic Straw-Cutting Blades Based on Locusta Migratoria Manilensis Open

Jinpeng Hu, Lizhang Xu, Yu Yang, Jingang Lu, Dianlei Han , et al. · 2023

Aimed at addressing the problems of the existing straw choppers on combine harvesters, such as a large cutting resistance and poor cutting effect, combined with bionic engineering technology and biological characteristics, a bionic model w…

Image Feature Detectors in Agricultural Harvesting: An Evaluation Open

Zhihong Cui, Lizhang Xu, Yu Yang, Xiaoyu Chai, Qian Zhang , et al. · 2023

Image feature detection serves as the cornerstone for numerous vision applications, and it has found extensive use in agricultural harvesting. Nevertheless, determining the optimal feature extraction technique for a specific situation prov…

Wheat Lodging Direction Detection for Combine Harvesters Based on Improved K-Means and Bag of Visual Words Open

Qian Zhang, Qingshan Chen, Lizhang Xu, Xiangqian Xu, Zhenwei Liang · 2023

For the inconsistent lodging of wheat with dense growth and overlapped organs, it is difficult to detect lodging direction accurately and quickly using vehicle vision for harvesters. Therefore, in this paper, the k-means algorithm is impro…

Unbalanced variation after assembly and double-speed influence coefficient method in the threshing drum Open

Zhiwu Yu, Yaoming Li, Lizhang Xu, Xiaoxue Du, Kuizhou Ji · 2023

Though the component of threshing drum is pre-balancing on the factory, the drum after assembly still has the problem of unbalanced vibration. In this study, the unbalance mechanism produced by assembly are introduced and the centroid prop…

Impurity/Breakage Assessment of Vehicle-Mounted Dynamic Rice Grain Flow on Combine Harvester Based on Improved Deeplabv3+ and YOLOv4 Open

Qian Zhang, Jinpeng Hu, Lizhang Xu, Qibing Cai, Yu Xun , et al. · 2023

It is difficult to extract small and dense objects with random state, such as grain and impurity, in image of vehicle-mounted dynamic rice grain flow on combine harvester. Therefore, this paper improves Deeplabv3+ by constructing MobileNet…

Deep Learning for the Detection of Multiple Fundus Diseases Using Ultra-widefield Images Open

Gongpeng Sun, Xiaoling Wang, Lizhang Xu, Chang Li, Wenyu Wang , et al. · 2022

Research on Key Technologies of Planting Machinery and Combine Harvester Open

Hua Li, Lizhang Xu · 2022

Vegetable production machinery has developed considerably over the years [...]

Wheat Ear Detection Algorithm Based on Improved YOLOv4 Open

Fengkui Zhao, Lizhang Xu, Liya Lv, Yong Zhang · 2022

The continuously growing population requires improving the efficiency of agricultural production. Wheat is one of the most wildly cultivated crops. Intelligent wheat ear monitoring is essential for crop management and crop yield prediction…

CRISPR-mediated BnaIDA editing prevents silique shattering, floral organ abscission, and spreading of Sclerotinia sclerotiorum in Brassica napus Open

Rui Geng, Yue Shan, Lei Li, Chun‐Lin Shi, Wei Zhang , et al. · 2022

Study on Modeling Method of a Multi-Parameter Control System for Threshing and Cleaning Devices in the Grain Combine Harvester Open

Yang Li, Lizhang Xu, Liya Lv, Yan Shi, Xun Yu · 2022

In order to realize the demand for high-quality and high-efficiency harvest in modern agriculture, the grain combine harvesters must have the ability to intelligently adjust the operation parameters. The difficult problem is to establish t…

The trifecta of disease avoidance, silique shattering resistance and flowering period elongation achieved by the<i>BnaIDA</i>editing in<i>Brassica napus</i> Open

Rui Geng, Yue Shan, Lei Li, Chun‐Lin Shi, Jin Wang , et al. · 2022

Rapeseed ( Brassica napus ) oil is a main vegetable oil source in the world. The devastating disease of stem rot caused by the necrotrophic fungus Sclerotinia sclerotiorum and pod shattering led to a great yield loss in Brassica napus. S .…

Experimental Study on Fluidization Behaviors of Wet Rice Threshed Materials with Hot Airflow Open

Tao Zhang, Yaoming Li, Lizhang Xu, Yanbin Liu, Kuizhou Ji , et al. · 2022

Among food crops, rice has the largest planting area, the highest yield per unit area and the largest total yield in China. However, cleaning performance is reduced by the high moisture content of rice during the harvesting process. In ord…

Estimation of Crop Height Distribution for Mature Rice Based on a Moving Surface and 3D Point Cloud Elevation Open

Yixin Sun, Yusen Luo, Qian Zhang, Lizhang Xu, Liying Wang , et al. · 2022

Estimation of rice plant height distribution plays a significant role in keeping the feed rate of rice combine harvesters stable. This is an effective way to guarantee the working stability of the whole machine, as a consequence, improving…

Development of an Attitude Adjustment Crawler Chassis for Combine Harvester and Experiment of Adaptive Leveling System Open

Jinpeng Hu, Jiahui Pan, Buwang Dai, Xiaoyu Chai, Yixin Sun , et al. · 2022

Body tilt is typically unavoidable for agricultural vehicles or platforms when operated over tough terrain in agricultural production, and, therefore, it is not possible to guarantee the operation performance. Current leveling methods main…

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