One of the technical bottlenecks traditional laser-induced breakdown spectroscopy (LIBS) is difficulty in quantitative detection caused by matrix effect. To troubleshoot this problem, paper investigated a combination time-resolved LIBS and convolutional neural networks (CNNs) to improve K determination soil. The contained information both wavelength time dimension. spectra dimension showed characteristic emission lines elements, those presented plasma decay trend. one-dimensional data...

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This study delves into the mapping method for navigation system of a chicken coop disinfection robot. It systematically analyzes problems insufficient effective particle count, high repetition rate in environmental map information, and penetration phenomenon traditional SLAM laser point cloud technology environments containing multiple layers cages. To address these issues, this paper proposes an optimized based on improved ICP algorithm, significantly improving clouds’ registration...

To address challenges such as the complex correlations among multiple parameters during modeling process of plant factory transplanters, large differences between simulations and actual models, difficulties in data acquisition processing, this paper proposes concept a Plant Factory Transplanter (PFT) digital twin five-dimensional model based on research transplanters. The PFT builds traditional 3D includes physical entities, virtual services, data, connecting interactions. This study delves...

To realize the real-time monitoring of cotton precision seeding operation process and improve intelligence level planters, based on automatic color matching detection technology visualization technology, this study designs a system for sowing quality planters. The is double-silo turntable type vertical disc hole seed metering device as research carrier, composed missed module module. Among them, includes an incremental rotary encoder, code electric eye fiber optic sensor, sensor amplifier,...

Aiming at the problems of low harvesting level Chinese cabbage, high cost manual operation and lack special machinery, a double-row wheeled self-propelled cabbage harvester was designed on basis measuring physical parameters 'Zaofeng 01'Chinese varieties combining with main local planting patterns. It can complete root cutting, pulling, clamping conveying, packing collecting one time. Through design selection key working parts wheel prototype, profiling device, cutting-pulling device...

To improve the accuracy of parameters used in discrete element simulation test, this study calibrated cotton seeds by combining a physical test and test. Based on intrinsic for seed, according to freefall collision method, inclined plane sliding rolling contact seeds, stainless steel, nylon were measured, respectively. The accumulation angle repose was conducted. It obtained process image seed pile with Matrix Laboratory software. Plackett–Burman screen significance parameters. optimal value...

The effect of ultrasonic pre-treatment on moisture removal characteristics ginger in a convective dryer was investigated. slabs were dried by practicing sonication durations 0, 15 and 30 min at different levels the air temperature velocity. Following increasing duration temperature, required time energy to dehydrate samples decreased. played important role improving rehydration capability surface color retention gingers. Content main volatile component (α-Zingiberene) not influenced...

The plant factory transplanter is a key component of the system. Its operation status directly affects quality and survival rate planted seedlings, which in turn overall yield economic efficiency. To monitor transplanting machine timely manner, primary task to use computerized easy-to-use method units. Inspired by latest developments augmented reality robotics, digital twin model-based data-driven online monitoring for equipment proposed. First, virtual model approach combined construct...

To realize real-time monitoring of film laying process cotton precision planter and improve intelligent level planter, based on advanced morphological filtering method graphical programming Labview software, a quality system is designed. Using the Vision Assistant visual assistant, uses color extraction function to convert colors grayscale images. It LOOKup Table FFT filter perform transformation, binarization it respectively. then basic morphology acquire various components in plastic...

For Chinese cabbage cutting device in the harvesting process, problem of resistance and low root qualification rate will occur. This paper takes as research object, analyses root-cutting mechanism cabbage, determines that main factors affecting its effect are cutter's inclination angle, rotational speed working speed. The finite element method is adopted to establish a rigid-flexible coupling model between root, Response Surface Method (RSM) central composite design used investigate...

The operational safety and stability of wind turbines are highly determined by the characteristics main bearings, which influenced axial clearance. In this paper, for arrangement type double-supported tapered roller bearings on turbine shaft, actual clearance distribution assumption is established, a new method calculating internal load taking into account proposed. Firstly, mathematical relationship between ring displacement, contact deformation, interval described. Secondly, components...

In order to improve the quality of corn sowing and fertilizer utilization, reduce labor costs, this paper aimed at traditional tillage machine improve. The seeding fertilizing with adjustable flow is designed by integrating particle sensor CAN bus transmission technology. It mainly composed seed discharging mechanism, ditch soil covering leakage blockage monitoring system. Fertilizer drop signal can be obtained in real time detecting outside discharge pipe. speed stepper motor adjusted after...

The cup-chain metering device is commonly used in potato planters despite its problems of missing-seeding, double-seeding and ground wheel sliding. A mechanical-electrical design was developed for to resolve these problems. regression experiment conducted with three factors (chain speed, chain tightening distance cup tilting) two indicators (missing-seeding rate rate). Based on the results experiment, a numerical model built multi-objective optimization method get an optimal solution....

The vibration problem during the operation of rice transplanters is most common phenomenon. In order that static and dynamic characteristics transplanter chassis can meet requirements more stable operation, research took 2ZG-6DK as object to carry out a reduction optimization study. research, Pro/Engineer 5.0 software was first used model transplanter. constructed finite element revised by using structural parameter revision method mixed penalty function method. imported into ANSYS Workbench...

In response to the problem of imprecise maintenance plant spacing and row during corn sowing operations in middle existing farms, this study designed a dynamic compensation system for seed dropping position. The test includes seeding machine operating unit, variable measurement control terminal system, system. performance was tested experimentally. When undisturbed signals were loaded, regardless whether used position function or not, coefficient variation longitudinal grain 2.6% ± 0.2%,...

The quality of potted seedlings has an important influence on the yield vegetables during seedling raising and transplanting. inconsistency after transplanting is main factor causing decline in vegetable yield. To eliminate or reduce this influence, health test before particularly to ensure crop In study, image recognition technology based machine vision proposed. It a multi-feature method for non-destructive detection healthy seedlings. color pot enhanced by industrial control computer...

To achieve the process of automatic film cutting for cotton and improve efficiency precision hole seeding machine operation, this paper proposes a wireless handle button control method designs tape system film-laying seeder. The includes electromagnetic integrated valve group, opener lifting hydraulic cylinder, membrane pressing multifunctional cylinder film, strapping support limit sensor, arc-shaped shovel reset controller. is based on VisualTFT platform, equipped with multi-functional...

To achieve precise seeding and fertilization operations for wheat improve the intelligent level of shallow buried drip irrigation wide-width precision seeder, this article proposes a fusion speed measurement method by integrating ground encoder satellite positioning module, designs control system electric-drive shallow-buried seeder. The includes STM32 main controller, DC servo motor, motor reducer, wheel encoder, vehicle navigation terminal, attitude sensor, voltage conversion etc. Based on...

To address the limitations of seeding quality monitoring methods under operation mode cotton hill-drop planter without grain, this paper designed a system that can eschew traditional reliance on seed conductor. The realizes real-time based differences in seeds’ absorption light different wavelengths, and achieves accurate evaluation by obtaining parameters with multiple types sensors. Bench tests showed lowest accuracy rate was 97% highest missed 95% while field drop 2.03 percentage, but is...

Modal parameter analysis is a common method for structural characteristic analysis. To accurately identify the modal parameters that describe vibration characteristics of structure, chassis frame rice transplanter taken as research object. The least squares complex frequency domain method, admittance circle and peak picking are used to process measured signal. parameters, such natural frequency, damping ratio, shape frame, obtained. Except eight-order error greater than 10%, errors all other...

Plant Factory Transplanter (PFT) is a key component of the plant factory system. Its operation status directly affects quality and survival rate planted seedlings, which in turn overall yield economic efficiency. To monitor transplanting machine timely manner, primary task to use computerized easy-to-use method units. Inspired by latest developments augmented reality robotics, DT model-based data-driven online monitoring for equipment proposed. First, virtual model approach combined...