Abstract: An aeronautical aluminum alloy minimum-quantity-lubrication milling machining device includes a machine tool worktable and spindle connected with a machine tool power system. The spindle is connected with a tool holder that is fixed with a cutting tool. The machine tool worktable is provided with a machine tool fixture, the tool holder is connected with a minimum-quantity-lubrication mechanism, the machine tool fixture includes a fixture body that is fixedly provided with a limit block for contact with two adjacent side surfaces of a workpiece, the fixture body is provided with a plurality of clamping elements capable of pressing the workpiece against an upper surface of the fixture body, and a top of the clamping element is provided with a detection member for detecting a relative position between the clamping element and the spindle. The device can avoid interference and contact between a nozzle and the clamping element.

Abstract: A virulence factor FsPL gene from the sugarcane pokkah boeng disease and use thereof are provided. The virulence factor FsPL gene from the sugarcane pokkah boeng disease has a sequence set forth in SEQ ID NO: 1. The present invention reveals a gene FsPL that is related to the pathogenicity of F. sacchari. Preliminary analysis shows that the deletion of the gene affects the ability of hyphae to penetrate and further affects the pathogenicity of pathogens. This provides a basis for the molecular mechanism of the pathogen infection and pathogenic process.

Abstract: A suspension rail type greenhouse comprehensive information automatic cruise monitoring device, includes a sliding rail a sliding platform, and a lifting and lowering mechanism suspended on a greenhouse truss; a multi-sensor system which includes a binocular vision multifunctional camera, a laser ranging sensor, an infrared temperature measuring sensor, an illumination intensity sensor, and a temperature and humidity sensor, and an electronically controlled rotary pan-tilt mounted below the lifting and lowering mechanism of the sliding platform; a detection azimuth overlooks plant canopies; and a multi-sensor system configured to perform stationary point detection on the plant canopies one by one along planting lines of plants under the driving of the sliding platform.

Abstract: A water stress detection method for tomatoes in a seedling stage based on micro-CT and polarization-hyperspectral imaging multi-feature fusion, comprising: using micro-CT to scan microscopic morphological features such as water stress stomata, spongy body, palisade tissue, cilia, vascular bundle, root volume, main root, and root hair density of tomatoes; using a polarization-hyperspectral imaging system to obtain macroscopic morphological features such as crown width, plant height, and leaf inclination of water stress plants, as well as leaf vein distribution, average gray, and leaf margin shaded area under a water-sensitive wavelength of 1450 nm, and macroscopic morphological features such as polarization states, stock vectors, and Mueller matrix variables of 1450 nm feature images at 0°, 45°, 90°, 135°, and 180° feature polarization angles.

Abstract: A multi-scale habitat information-based method and device for detecting and controlling water and fertilizer for crops in seedling stage: performing fusion analysis on multi-scale features of the water and fertilizer stress of crops on the basis of crop canopy-scale three-dimensional laser scanning information, foliage-scale polarization-hyperspectral imaging information, and micro-scale micro-CT scanning information; combining the real-time feedback of the temperature, humidity, illumination and substrate moisture content within a crop growing greenhouse; by means of multi-information fusion modeling, comprehensively determining and feeding back the water and fertilizer stress of the crops as well as water requirement and fertilizer requirement information, and providing policy information for the amount of fertilization and irrigation.

Abstract: A greenhouse information automatic monitoring method, adopting a multi-sensor system, using binocular vision multi-function cameras combining with a laser ranging sensor and an infrared temperature measuring sensor, realizing online patrol monitoring of greenhouse crop comprehensive information of image and infrared temperature characteristics of plant nutrition, water, pest and disease damage as well as plant crown width, plant height, fruit and growth characteristics. The multi-sensor system is mounted on a suspension slide platform and combines with a lifting mechanism and an electric control rotation pan-tilt, such that not only accurate positioning and stationary point detection in the detection travelling direction can be realized, but also multi-sensor information patrol detection at different detection distances, different top view fields and different detection angles is realized.

Abstract: A greenhouse information automatic monitoring method, adopting a multi-sensor system, using binocular vision multi-function cameras combining with a laser ranging sensor and an infrared temperature measuring sensor, realizing online patrol monitoring of greenhouse crop comprehensive information of image and infrared temperature characteristics of plant nutrition, water, pest and disease damage as well as plant crown width, plant height, fruit and growth characteristics. The multi-sensor system is mounted on a suspension slide platform and combines with a lifting mechanism and an electric control rotation pan-tilt, such that not only accurate positioning and stationary point detection in the detection travelling direction can be realized, but also multi-sensor information patrol detection at different detection distances, different top view fields and different detection angles is realized.

Abstract: A multi-scale habitat information-based method and device for detecting and controlling water and fertilizer for crops in seedling stage: performing fusion analysis on multi-scale features of the water and fertilizer stress of crops on the basis of crop canopy-scale three-dimensional laser scanning information, foliage-scale polarization-hyperspectral imaging information, and micro-scale micro-CT scanning information; combining the real-time feedback of the temperature, humidity, illumination and substrate moisture content within a crop growing greenhouse; by means of multi-information fusion modeling, comprehensively determining and feeding back the water and fertilizer stress of the crops as well as water requirement and fertilizer requirement information, and providing policy information for the amount of fertilization and irrigation.

Abstract: An apparatus for monitoring comprehensive growth condition of potted lettuce consists of a polarized hyperspectral imaging system and a 3D laser scanning system. The polarized hyperspectral imaging system includes a control system, a dual-coordinate sample holder, an image acquisition system, and a light source system, and the polarized hyperspectral imaging system detects water and fertilizer stress in lettuce by polarized hyperspectral multi-dimensional reflection imaging of characteristics on a canopy/leaf scale. The 3D laser scanning system detects morphological characteristics such as the biomass, stem diameter, plant height, and leaf area of lettuce.

Abstract: A suspension rail type greenhouse comprehensive information automatic cruise monitoring device, includes a sliding rail a sliding platform, and a lifting and lowering mechanism suspended on a greenhouse truss; a multi-sensor system which includes a binocular vision multifunctional camera, a laser ranging sensor, an infrared temperature measuring sensor, an illumination intensity sensor, and a temperature and humidity sensor, and an electronically controlled rotary pan-tilt mounted below the lifting and lowering mechanism of the sliding platform; a detection azimuth overlooks plant canopies; and a multi-sensor system configured to perform stationary point detection on the plant canopies one by one along planting lines of plants under the driving of the sliding platform.

Abstract: A water stress detection method for tomatoes in a seedling stage based on micro-CT and polarization-hyperspectral imaging multi-feature fusion, comprising: using micro-CT to scan microscopic morphological features such as water stress stomata, spongy body, palisade tissue, cilia, vascular bundle, root volume, main root, and root hair density of tomatoes; using a polarization-hyperspectral imaging system to obtain macroscopic morphological features such as crown width, plant height, and leaf inclination of water stress plants, as well as leaf vein distribution, average gray, and leaf margin shaded area under a water-sensitive wavelength of 1450 nm, and macroscopic morphological features such as polarization states, stock vectors, and Mueller matrix variables of 1450 nm feature images at 0°, 45°, 90°, 135°, and 180° feature polarization angles.

Abstract: A charging device of an automatic cruise platform for a greenhouse comprises a power monitoring module, an information transmission module and a sensor module, which are located on a movement monitoring platform (25), and a ground pressure sensor module, a charging module, an information receiving module (20), an information collection module (21), a control module (22), an AC-DC conversion module (23), and a power control module (24), which are located on a smart charging device (33). The device can automatically return to be charged at a cruise detection interval of a movement platform when the electric quantity is lower than a threshold, thereby improving the working efficiency and automation degree of a movement monitoring platform, reducing the labor management cost, and meanwhile greatly improving the reliability and safety of a charging docking process and facility power consumption.

Abstract: A smart mobile detection platform for a greenhouse comprises a frame, a front suspension assembly, a rear suspension assembly, a power assembly and a drive assembly for driving a mobile platform to move, a steering system for controlling the mobile platform to steer, an automatic-cruising pose-detection sensor module needed for automatic mobile platform cruising, a greenhouse environment and crop detection image sensor module (29), a signal collection module (30) for collecting a sensor signal, a central control system for controlling the mobile platform to move, an information transmission module, and a power module for supplying power to the whole mobile platform. By means of a central control system, a mobile platform completes automatic inspection of the greenhouse environment and crop growth information, and an automatic charging device provides supplemental electric energy to the mobile platform, thereby improving detection efficiency and accuracy.

Abstract: A dynamic detection device for the growth of a potted crop, includes a detection platform and a rotating shaft. A first cantilever frame is fixed at an upper portion of the rotating shaft; a laser ranging sensor is mounted at a tail end of the first cantilever frame; a second cantilever frame is fixed at a lower portion of the rotating shaft, and a pressure sensor is mounted at a tail end of the second cantilever frame. The detection platform has several bases; weight information crop is collected via a load sensor; stem diameter and plant height information crop is collected via the pressure sensor, a photoelectric encoder and the laser ranging sensor; and growth information crop is described through information fusion, which can improve the efficiency and continuously monitor dynamic change information about the growth of a target crop in a growth process.

Abstract: A charging device of an automatic cruise platform for a greenhouse comprises a power monitoring module, an information transmission module and a sensor module, which are located on a movement monitoring platform (25), and a ground pressure sensor module, a charging module, an information receiving module (20), an information collection module (21), a control module (22), an AC-DC conversion module (23), and a power control module (24), which are located on a smart charging device (33). The device can automatically return to be charged at a cruise detection interval of a movement platform when the electric quantity is lower than a threshold, thereby improving the working efficiency and automation degree of a movement monitoring platform, reducing the labor management cost, and meanwhile greatly improving the reliability and safety of a charging docking process and facility power consumption.

Abstract: A smart mobile detection platform for a greenhouse comprises a frame, a front suspension assembly, a rear suspension assembly, a power assembly and a drive assembly for driving a mobile platform to move, a steering system for controlling the mobile platform to steer, an automatic-cruising pose-detection sensor module needed for automatic mobile platform cruising, a greenhouse environment and crop detection image sensor module (29), a signal collection module (30) for collecting a sensor signal, a central control system for controlling the mobile platform to move, an information transmission module, and a power module for supplying power to the whole mobile platform. By means of a central control system, a mobile platform completes automatic inspection of the greenhouse environment and crop growth information, and an automatic charging device provides supplemental electric energy to the mobile platform, thereby improving detection efficiency and accuracy.

Abstract: A dynamic detection device for the growth of a potted crop, includes a detection platform and a rotating shaft. A first cantilever frame is fixed at an upper portion of the rotating shaft; a laser ranging sensor is mounted at a tail end of the first cantilever frame; a second cantilever frame is fixed at a lower portion of the rotating shaft, and a pressure sensor is mounted at a tail end of the second cantilever frame. The detection platform has several bases; weight information crop is collected via a load sensor; stem diameter and plant height information crop is collected via the pressure sensor, a photoelectric encoder and the laser ranging sensor; and growth information crop is described through information fusion, which can improve the efficiency and continuously monitor dynamic change information about the growth of a target crop in a growth process.