- Animal Behavior and Welfare Studies
- Food Supply Chain Traceability
- Soil Mechanics and Vehicle Dynamics
- Effects of Environmental Stressors on Livestock
- Dynamics and Control of Mechanical Systems
- Smart Agriculture and AI
- Agricultural Engineering and Mechanization
- Milk Quality and Mastitis in Dairy Cows
- Magnetic and Electromagnetic Effects
- Robotic Locomotion and Control
- Genetic and phenotypic traits in livestock
- Microbial Inactivation Methods
- Advanced Chemical Sensor Technologies
- Soft Robotics and Applications
- Robotic Mechanisms and Dynamics
- Granular flow and fluidized beds
- Agricultural Systems and Practices
- Animal Nutrition and Physiology
- Polydiacetylene-based materials and applications
- Silkworms and Sericulture Research
- Underwater Vehicles and Communication Systems
- Contact Mechanics and Variational Inequalities
- Silk-based biomaterials and applications
- Plant and Biological Electrophysiology Studies
- Advanced Neural Network Applications
Shandong Agricultural University
2017-2025
Shandong Special Equipment Inspection Institute
2020-2024
Nanjing University of Aeronautics and Astronautics
2009
The feeding behaviour of cows is an essential sign their health in dairy farming. For the impression cow status, precise and quick assessment critical. This research presents a method for monitoring utilizing edge computing deep learning algorithms based on characteristics behaviour. Images were captured processed real time using device. A DenseResNet-You Only Look Once (DRN-YOLO) was presented to address difficulties existing detection algorithms' low accuracy sensitivity open farm...
The enclosed multistory poultry housing is a type of enclosure widely used in industrial caged chicken breeding. Accurate identification and detection the comb eyes chickens farms using this can enhance managers' understanding health chickens. However, accuracy image will be affected by enclosure's entrance, which reduce precision. Therefore, paper proposes cage-gate removal algorithm based on big data deep learning Cyclic Consistent Migration Neural Network (CCMNN). method achieves...
The behaviors of dairy cows, such as feeding, ruminating, running, resting (standing, lying), head-shaking, drinking, and walking, can indicate their health status. In this study, a multi-sensor was used to collect data cow's multi-behaviors for research on behavior recognition. Firstly, collar style acquisition system equipped with geomagnetic acceleration sensors the behavioral cows during daily activities designed. Secondly, cow recognition fusion model based K-Nearest-Neighbors (KNN)...
The classification of silkworm cocoons is essential prior to silk reeling and serves as a key step in improving the quality raw silk. At present, cocoon mainly relies on manual sorting, which labor-intensive inefficient. In this paper, detection algorithm S-YOLOv8_c based cooperation MobileSAM YOLOv8 for mountage was proposed. with designed area thresholding used semantic segmentation images, could mitigate effect complex backgrounds maximize discriminability features. Subsequently, BiFPN...
Stubble cutting is a critical step in the mechanized harvesting of mulberry trees. Poor stubble quality can lead to root decay, and even death trees, reducing rate rejuvenation. In view relatively high damage operations, this paper has conducted in-depth research designed branch test machine. The overall structure key technical parameters machine were determined design components was theoretically analyzed. Field tests identified an optimized set that effectively reduced energy consumption....
The effect of high-voltage electrostatic field (HVEF) on maize seeds' resistance to chilling injury remains unclear. This study investigates the chemical and spatial changes induced by HVEF at macroscopic microscopic levels via combination physiological assessments scanning electron microscopy (SEM). Maize samples were categorized into low normal-temperature groups. At an strength 1.6 kV/cm, all indices in low-temperature group significantly improved relative control (P < 0.01), with...
Existing push robots mainly use magnetic induction technology. These devices are susceptible to external electromagnetic interference and have a low degree of intelligence. To make up for the insufficiency existing material pushing robots, at same time solve problems labor-intensive, inability in night, etc., this study, an autonomous navigation pusher robot based on 3D lidar is designed, obstacle avoidance strategy improved artificial potential field method proposed. Firstly, point cloud...
The harvesting straw feed crops (silage corn, alfalfa, herbaceous mulberry, etc.) was tedious, high-labor-cost, and large-nutrient-loss. A self-propelled forage crop harvester, which could realize the integration of cutting, flattening modulating, chopping, throwing crops, designed. cutting angle freely be adjusted between 0° 8°. max rotation speed roller reach 590 r/min consecutively by hydraulic control device. To verify performance this machine, several experiments silage mulberry with...
Heat stress is one of the most important environmental stressors facing poultry production. The presence heat will reduce antioxidant capacity and immunity poultry, thereby seriously affecting health performance poultry. paper proposes an improved FPN-DenseNet-SOLO model for state detection. uses Efficient Channel Attention (ECA) DropBlock regularization to optimize DenseNet-169 network enhance extraction features suppress invalid background features. takes SOLOv2 as main frame, optimized...
Simulation analysis and parameter optimization are performed for the loading mixing devices of a self-propelled total mixed ration mixer. To reveal three-dimensional movement silage material under action cutter roller, latter is modeled using SolidWorks software. ANSYS/LS-DYNA software used to simulate process cutting, which smoothed particle hydrodynamics coupled with finite element method. The cutting force power consumption simulated, behavior equivalent strain determined. results showed...
In this paper, we study the dynamics and kinematics of serial flexible link manipulators using finite segment method. our analysis are divided into a set rigid bodies coupled with springs dampers. The dynamic equations multibody system developed by means spatial operator algebra which expression forms basis for recursive O(n) algorithm, structure is hybrid forward inverse algorithms segments Since advantages method shown to be automatic considering geometrical nonlinear stiffness terms in...
In view of such a phenomenon that nowadays cotton breeding and seeding mainly depend on artificial planting in China, kind combined air suction breed seeder was designed, which is composed seed metering device, three-way switch waste recovery vacuum fan, so on. It can sow two rows at time, the line spacing, plant sowing depth be continuously adjusted to achieve precise sowing. The model “suck before blow after” adopted clearing, makes clearing both clean rapid. force, speed, acceleration are...
The pushing robot working in the complex farming environment encounters several problems. For example, precision of its navigation path extraction is low, and quality greatly affected by weather. In view this, a method farm operation based on machine vision proposed this study order to solve problems above realize autonomous intelligent robot. First all, RGB images area front are obtained using an camera installed machine. Then, collected preprocessed means sky removal, denoising grayscale...
Behavioral features recognition was an important effect to detect oestrus and sickness in dairy herds there is a need for heat detection aid. The method based on the measure of individual behavioural activity, standing time, temperature using vibrational sensor this paper. data activity index, lying time walking were sent computer by lower power consumption wireless communication system. fast approximate K-means algorithm (FAKM) proposed deal behavioral recognition. As result technical...
As space robots gain more and importance in operations, it was becoming imperative to understand their distinctive dynamics. The dynamics model of the flexible is very complex, differential equation derived from solved difficultly slowly. In this paper discussed, fast efficient integration method used solve complex equation. Simulations results show that dynamic modeling numerical techniques robot proposed are useful.
Abstract Animal feeding behavior is an important animal welfare evaluation index. For automatic monitoring of dairy cow behaviors based on the deep learning technology, this paper proposes a quantity model for recognition and head movements. This can automatically identify feeding, chewing, grass-bending multiple cows track quantify process movement trajectory in real time. Transformer-Convolution Block Attention Module-Squeeze Excitation-You Only Look Once (TCS-YOLO) model, which improved...
In order to carry out the study of biological effect on high-voltage pulsed electric field with super-low-frequency, a numerical control treatment system was designed. This can generate pulse wide width and steep edge. The amplitude voltage is adjustable from 15 20 kV, frequency 0.1 50.0 Hz, 10 5000 milliseconds. has advantages simple structure, low cost high dependability. Using 240 kV/m, 10.0 Hz 50 milliseconds treat aged cotton seeds two kind electrode, results showed that: (1) four...
This paper presents a new and general technique for solving the dynamics of open loop flexible robots. The operator articulated body algorithms were used to develop spatially recursive inverse forward robots systems. Compare O(n3) algorithms, this algorithm was O(n). In order show performance accuracy proposed method, simulation analysis different system presented in paper. When available, results are compared with those published previous literature.
This paper deals with the kinematics and dynamics of an in-pipe underwater swimming robot. To provide a basis for structure design motion control robot, model 6-DOF spatial in specific three-dimensional pipeline are established. The Dynamics characteristic performances needed driving force when robot swims along planned trajectory calculated.