45 results about "Solar angle" patented technology

The invention discloses a photovoltaic area vegetation coverage dynamic monitoring method based on artificial intelligence, and relates to the technical field of dynamic monitoring. The method comprises the following steps: integrating geometric information of a photovoltaic module, on-site geography and height parameters of a bracket, and constructing a three-dimensional model; a sun angle is obtained through a sun path algorithm, a shadow boundary is calculated in combination with a three-dimensional model, and a day-level dynamic shading map is aggregated; preprocessing a remote sensing image of the power station, and obtaining a corrected remote sensing image sequence through shading map labeling and spectrum correction; outputting the coverage through a vegetation coverage model by using the environmental data and the corrected image; and building a prediction model based on the coverage degree, inputting future environment forecast, and predicting a change trend to early warn vegetation anomaly. Through the day-level dynamic shading map, the problem of monitoring errors caused by shadow interference of the photovoltaic module when a traditional remote sensing image analysis method is applied to a photovoltaic area is solved.

The invention discloses a driving sunscreen cooling control method based on sun illumination tracking, and the main design concept of the method is that the recognition precision of the relation between dynamic light and a dynamic vehicle is improved through sun vector space modeling. Specifically, accurate measurement and calculation of the sun angle is matched with dynamic response of a vehicle system to realize a sunlight tracking type sunscreen mode, and the method mainly comprises the following steps: acquiring data such as longitude and latitude, date time, advancing direction and the like of a current vehicle, calculating an irradiation angle of sunlight irradiated to the vehicle, and combining a real-time measurement value of a light sensor to obtain a sunlight tracking type sunscreen mode. And deciding whether the vehicle enters the sunscreen mode at the current moment. On the basis of real-time tracking of the sun position and by means of intelligent cooperative control of devices such as an electric sun shield curtain, electrochromic glass and air conditioner directional blowing, dynamic and accurate automatic non-inductive sun protection and cooling are achieved, and comfortable driving and riding experience is brought to drivers and passengers.

The invention relates to the technical field of aerospace engineering and remote sensing, in particular to an extremely-low-orbit median-inclination-angle remote sensing satellite and a design method.The satellite runs on a median-inclination-angle orbit, and a spherical crown type windward side and smooth side plate transition structure is adopted to reduce aerodynamic resistance and homogenize heat flow; the detector and the refrigerator are connected with the main heat dissipation surface through a heat conduction structure to form a cold end heat dissipation channel; when a satellite is in a launching state, the solar panel is folded on the Zs side of a satellite body, the satellite is unfolded in the + Ys direction after entering an orbit, an included angle is formed between the normal of the solar panel and the-Zs direction, the SAR antenna is folded on the Ys side of the satellite body, the satellite is unfolded in the-Ys direction after entering the orbit, and the normal of the array plane of the SAR antenna points to the + Zs direction, so that a sunshade and counterweight structure is formed; the positive and negative Xs surfaces are provided with double Hall electric thrusters, the orbit solar angle is calculated through the GNSS and the sun vector, yaw switching is executed, and forward and reverse flight switching is achieved.

The invention provides an angle control method and device of a photovoltaic panel, electronic equipment and a storage medium, and relates to the technical field of photovoltaic power generation of a power distribution network. The method comprises the steps of obtaining a current inclination angle of a photovoltaic panel, real-time meteorological monitoring data of an area where the photovoltaic panel is located and a sun angle; according to the real-time meteorological monitoring data, determining predicted meteorological monitoring data of the region, the predicted meteorological monitoring data including predicted wind speed, predicted cloud cover and predicted illumination intensity; when the predicted wind speed is greater than a set wind speed threshold value, determining a target inclination angle of the photovoltaic panel according to the current inclination angle of the photovoltaic panel, the wind load corresponding to the predicted wind speed and a wind load threshold value; determining a target azimuth angle of the photovoltaic panel according to the predicted cloud amount, the predicted illumination intensity and the sun angle; and controlling the mechanical adjusting mechanism to adjust the inclination angle of the photovoltaic panel to the target inclination angle and adjust the azimuth angle of the photovoltaic panel to the target azimuth angle. The method is used for achieving the effects of improving the angle control precision and guaranteeing the safety of the photovoltaic panel and the photovoltaic power generation efficiency.

A container type photovoltaic power station provided by the present invention comprises a box body, at least one first door body and a first photovoltaic assembly arranged on the outer wall surface of the first door body, the first door body is arranged on the box body, and a driving assembly used for driving the first door body to turn over, open and close relative to the box body around a horizontal axis is arranged between the first door body and the box body. The driving assembly drives the first door body to open and close and drives the first photovoltaic assembly on the first door body to adjust the inclination angle so as to track the sun in real time. By optimizing the structural design of the container type photovoltaic power station, the structural form of the container type photovoltaic power station is effectively simplified, the production and assembly difficulty of the container type photovoltaic power station is reduced, and cost reduction and efficiency improvement of enterprises are promoted while the photovoltaic modules run at the angle of tracking the sun in real time and the photovoltaic generating capacity is improved.

The invention discloses a wind-solar complementary power generation device and a control method, and the device comprises a solar fan blade module which is installed on a device main body, and a photovoltaic power generation layer is arranged on fan blades of the solar fan blade module; the output of the wind speed and wind direction detection module is sampled / filtered and then sent to the central control system; the fan blade control module is used for controlling start and stop of fan blades and adjusting the windward angle / propeller pitch; all the modules are electrically connected with the central control system. The control method comprises the following steps: setting a system default state as a solar power generation mode; calculating the windward angle of the current fan blade and the predicted power of wind power generation based on the wind speed and wind direction data; power outputs of wind power generation and solar power generation are compared, and the system is controlled to be switched to a wind power generation mode or a solar power generation mode. According to the invention, the solar power generation efficiency can be fully maintained at a high level, especially when the sun angle is low or the wind speed is high.

The application discloses a kind of based on stirling machine's emergency water collecting equipment, including condensing unit and water storage unit, and water in water-containing air is condensed to form liquid water droplets by the top condensing unit work, liquid water droplets from the condensing unit drop into bottom water storage unit and realize the collection of pure water.The relatively pure water is efficiently obtained in natural environment by the stirling device, without the fire source and other dangerous factors of distillation, safer and more efficient;The purity is higher than that of filtration and sedimentation;Compared with solar distillation, the device does not need to consider the sun angle, temperature and other conditions, and has wider application conditions and higher efficiency;The temperature of the produced water is low, the taste is better for drinking, and the rotation speed is limited by disassembling the speed limiting device for ice making, preservation or treatment in emergency.

The invention relates to the technical field of ocean engineering, and discloses an island and offshore three-bearing-cable flexible photovoltaic system which comprises an upper bearing cable structure, a middle supporting structure, a bottom supporting structure and transverse stabilizing cables. The upper bearing cable structure comprises an upper chord middle bearing cable and upper chord bearing cables arranged in pairs, the photovoltaic module is connected with the upper chord middle bearing cable through a rotating device, the two ends of the rotating device are connected with transmission devices on the upper chord bearing cables at the corresponding ends respectively, and the bearing cables of the upper bearing cable structure are connected with the bottom supporting structure in a tensioning mode; the middle supporting structure is connected with the upper bearing cable structure and the bottom supporting structure; one end of the transverse stabilizing cable is connected with the upper chord bearing cable, and the other end is anchored on the ground. According to the scheme, the double-layer design that the three bearing cables and the middle supporting structure are combined is adopted, and the overall rigidity and wind resistance are improved; the cable structure design in the scheme enables the photovoltaic module to freely rotate within the range of the cable structure design so as to adapt to the change of the sun angle and improve the light energy collection efficiency.

The invention discloses a battery drawing type solar monitoring system, which comprises a photovoltaic panel assembly, a battery assembly, an angle adjusting mechanism, a support frame, a monitoring adjusting structure and monitoring equipment, and is characterized in that the photovoltaic panel assembly is fixed at the upper end of the angle adjusting mechanism, and the lower end of the angle adjusting mechanism is connected with the upper end of the support frame through a bolt; the lower end of the supporting frame is fixedly connected with the monitoring adjusting structure, and the monitoring device is connected to the monitoring adjusting structure. Through unique bolt hole site design, the photovoltaic panel can flexibly rotate within the range of 0-90 degrees so as to adapt to different sun angles. Meanwhile, the battery component is embedded in the angle adjusting mechanism, so that the battery component is convenient to pull and replace and easy to maintain. The monitoring equipment can be adjusted in 360 degrees in all directions on a horizontal plane and a vertical plane. According to the invention, solar energy can be fully utilized and dead-corner-free monitoring can be realized through the height angle adjusting capability, and a brand new solution is provided for the fields of energy utilization and safety monitoring.

The invention discloses a core orientator for paleomagnetism research, and belongs to the technical field of paleomagnetism core measurement. Comprising a hollow column, a magnetic field shielding assembly, an automatic leveling and inclination measuring assembly, an inclination angle measuring assembly, a sun compass and sun angle measuring assembly, a data acquisition and storage assembly, an automatic ink-jet marking assembly and a matched software system which work cooperatively. All the components are sequentially assembled in a layered mode, and an automatic closed loop of insertion, leveling, measurement, verification, recording, marking and transmission is formed. By adopting the core orientator for the paleomagnetic research, manual operation steps can be greatly reduced, personal errors and magnetic interference are avoided, the measurement precision and data consistency are improved, the core orientation working efficiency is remarkably improved, the measurement result is more reliable, sample correspondence is clear, and later informatization management is convenient to trace.

Positioning computer for satellite having an inter-satellite optical communication system on an anti-Earth face. Positioning computer for a satellite (10) intended to move in an orbital plane (P), the satellite being intended to comprise: - a casing (32) having an Earth face (34) defining a Z axis of the satellite intended to point towards the Earth (12), - at least one optical system for communicating with another satellite located in the orbital plane, the first optical system being intended to be located on an anti-Earth face (46), and to have an azimuth field of view around the Z axis, the field of view being limited by an occlusion angle due to the casing.The calculator is adapted to obtain a parameter representing a solar angle (β) defined by the Sun (16) with the orbital plane, and to perform the calculation of a parameter representing the yaw angle (ψ) of the satellite using at least the parameter representing the solar angle and a parameter representing the shutter angle. Figure for the abbreviation: Figure 1.

The invention provides a two-dimensional tracking control method and system for a sun observation load of a stationary meteorological satellite. The two-dimensional tracking control method comprises the steps that a satellite service management unit receives the attitude and orbit data of a current information control computer, the measurement data of a sensor and the rotation angle data of a driving mechanism; the east-west solar angle and the south-north solar angle are calculated, and a driving mechanism is driven to complete initial sun capture in the east-west direction and the south-north direction of the optical axis of the EUV imager; when initial sun capture is completed, the sun enters the digital too sensitive field of view; and when the sun enters the field of view of the guide mirror, the data of the guide mirror in the measured data is used as input, and the south-north dimension driving mechanism and the solar array driving mechanism are fed back and controlled in real time, so that two-dimensional coarse alignment and tracking to the sun are realized. The problem of east-west, south-north two-dimensional tracking of the sun observation load is solved, a two-dimensional tracking control method and a control strategy are provided, the sun observation load can accurately point to the sun in real time, and the method can be applied to the research and development process of a stationary meteorological satellite.

The application discloses a kind of rock core orienter for paleomagnetic research, belong to paleomagnetic rock core measurement technical field, including the hollow column of collaborative work, magnetic field shielding component, automatic leveling and inclination measurement component, inclination measurement component, sun compass and sun angle measurement component, data acquisition and storage component, automatic ink jet marking component and matching software system;Each component is sequentially layered assembly, forms the automation closed loop of "insertion-leveling-measurement-verification-recording-marking-transmission".The rock core orienter for paleomagnetic research described above is used in the application, can greatly reduce manual operation steps, avoid human error and magnetic interference, improve measurement accuracy and data consistency, realize that core orientation work efficiency is significantly improved, measurement result is more reliable, sample corresponding is clear and post information management is convenient traceability.

This invention discloses an artificial intelligence-based photovoltaic (PV) tracking bracket method, relating to the field of solar photovoltaic power generation technology. The method includes: collecting multi-dimensional environmental perception data and uploading it to an edge computing node; predicting the irradiance distribution for the next 30 seconds using a convolutional neural network and a long short-term memory network; inputting the prediction results, solar angle, and atmospheric attenuation coefficient into a lightweight fully connected neural network to generate a dual-axis tracking angle command; dynamically correcting the angle using a gradient ascent algorithm in conjunction with PV output power feedback; and performing closed-loop regulation through a low-latency CAN bus-controlled servo drive unit. This invention aims to solve the problems of existing PV tracking systems, such as lag response, large control deviation, reliance on high-cost sensors, and lack of multi-dimensional environmental fusion perception capabilities under complex weather and unsteady illumination conditions. It achieves high-precision, robust real-time tracking with low-density sensor configuration, significantly improving power generation efficiency and system adaptability.

The invention relates to the technical field of photovoltaic supports, and discloses an adjusting structure which comprises a front plate fixedly connected to the upper ends of two front columns and a rear plate fixedly connected to the upper ends of two rear columns, the side, close to the front plate, of the rear plate is connected with a guide assembly, the upper end of the guide assembly is connected with an inclination mechanism, and the output end of the inclination mechanism is connected with a supporting assembly. The end, close to the inclination mechanism, of the supporting assembly is connected with a storage mechanism, the output end of the storage mechanism is connected with a monitoring mechanism, and the end, away from the inclination mechanism, of the supporting assembly is connected with a rotating assembly. The photovoltaic support comprises the adjusting structure and further comprises two front columns and two rear columns, and the lower ends of the two front columns and the lower ends of the two rear columns are fixedly connected with bases. According to the adjusting structure and the photovoltaic support, the sun angle is monitored in real time through the photosensitive sensor set, the photovoltaic panel is driven to be dynamically adjusted in the horizontal direction and the inclined direction in cooperation with the inclination mechanism and the reversing mechanism, the optimal light receiving angle is kept all the time, and the illumination utilization rate is maximized.

The invention discloses an optical filter adaptive switching device based on sun intensity, which is assembled on a photoelectric sun angle detection device and comprises an optical filter conversion device, an optical filter, a motor and a processor. The photoelectric sun angle detection device comprises a collimator and a four-quadrant sensor arranged at the emergent end of the collimator. And the motor and the optical filter conversion device are arranged at the incident end of the collimator. The optical filter conversion device is of a disc structure with a through hole in the center, a plurality of installation bases are arranged on the outer circumference of the disc at intervals, optical filters are fixed to the installation bases, and the transmittance of the optical filters is different. And the processor judges whether the optical filter needs to be switched based on the illumination intensity measured by the four-quadrant sensor and the transmittance of the currently used optical filter. The optical filter can be adaptively switched according to the current sunlight intensity, the detectable range of the four-quadrant sensor is achieved, the adaptability is high, and the economical efficiency is high.

The utility model provides a movable multiple water treatment equipment relates to water treatment equipment technical field to solve the problem that the existing water treatment equipment is not enough energy conservation and environmental protection when using, when using mostly adopts traditional mode drive such as diesel engine, including: the water filter cabinet is set up on the main part, the power supply cabinet is set up on the main part, the fixed part is set on the main part top, the mounting bracket rotation is set on the fixed part, the solar panel is fixedly set up on the mounting bracket. Through the spatial distribution difference of the light intensity sensor perception sunlight intensity, calculate the sun angle, and the signal is passed to the control panel on the main part, and the motor output shaft is controlled through the control panel rotation, and then drive the screw rod rotation, through the drive screw rod and drive the slider to move in the sliding slot, and the slider moves and drives the support piece deflection, thereby causing the mounting bracket to deflect, so that the angle of the solar panel can be adjusted according to the demand, so that the solar panel can better receive the sunlight, energy saving and environmental protection.

The invention discloses a control method of a solar panel, electronic equipment, power generation equipment, a computer readable storage medium and a computer program product, and the control method comprises the steps: detecting and judging whether a preset light following condition is satisfied at present, and adjusting the orientation angle of the solar panel towards the sun when the preset light following condition is satisfied, the angle difference between the adjusted orientation angle and the sunlight incident angle of the solar panel is within the first preset threshold value. Thus, the angle difference between the adjusted orientation angle and the sunlight incident angle of the solar panel can be within the first preset threshold value, it is ensured that the solar panel can effectively receive solar radiation at different times, and therefore the power generation efficiency of the solar panel is guaranteed; and whether the preset light following condition is met or not is detected and judged before the orientation angle of the solar panel towards the sun is adjusted, so that effective adjustment of the orientation angle of the solar panel towards the sun is realized, and electric energy consumption caused by invalid adjustment or improper adjustment is avoided.

The utility model provides a turnover type intelligent photovoltaic outdoor cabinet, which belongs to the technical field of communication infrastructure, and comprises a base, a front door frame arranged on the front side of the base, and a rear door frame arranged on the rear side of the base; a protection part is installed on the side of the front door frame, a top cover is installed on the rear door frame and the base, and an equipment bin door is installed in the front door frame. And a photovoltaic module is mounted at the top of the top cover. The utility model solves the problems that the solar panel can not be adjusted according to the change of the sun angle, and the traditional solar panel can not be arranged by fully utilizing the limited space due to fixed installation, so that the space utilization rate is low.

The invention provides a camera color calibration method and device based on a remote sensing radiation benchmark and a storage medium. The method comprises the steps of obtaining the remote sensing radiation benchmark as a reference image; extracting homonymy points between the to-be-corrected images and the reference image, and homonymy points of overlapping areas between the to-be-corrected images; establishing an error equation containing an imaging nucleus under the condition that the color values of the homonymy points on different images are consistent; wherein the imaging core is constructed based on a sun angle and an observation angle and is used for representing non-uniform illumination distribution in a view field of the camera; based on the error equation containing the imaging kernel, solving a color correction coefficient of each image through a least square principle; and performing pixel-by-pixel correction on each image according to the color correction coefficient and outputting a result image. According to the method, an absolute color calibration and relative color calibration model of a camera with limited calibration capability is established, an imaging kernel related to a solar angle and an observation angle is constructed, and the problem of global or local non-uniformity correction can be solved, so that a color calibration result is effectively improved.

The application provides a photovoltaic string azimuth angle determination method and device and electronic equipment. The method comprises the following steps: acquiring power generation performance data sequence of a photovoltaic string and solar angles at different time points, wherein the power generation performance data sequence comprises power generation performance data of the photovoltaic string at different time points; determining a maximum data time point corresponding to maximum power generation performance data in the power generation performance data sequence, and establishing a target function according to the solar angles at different time points and the power generation performance data; and determining a string azimuth angle of the photovoltaic string according to the maximum data time point and the target function. The technical scheme of the application reduces the workload and labor cost of determining the photovoltaic string azimuth angle.

The invention relates to the technical field of light beam reconstruction, discloses a multi-aperture imaging type light beam reconstruction system for solar direct radiation simulation, and solves the problems of large solar field angle, poor irradiation uniformity and contradictory energy utilization rate of a traditional system. The system comprises a first micro-lens array, a second micro-lens array and a collimation integral lens which are arranged in sequence, the MLA1 and the MLA2 are 9 * 9 arrays, the focal lengths and the diameters of the sub-lenses are consistent, and the distance between the two arrays is equal to the focal length of the MLA1; and the collimation integrating lens is matched with the micro lens array to realize light beam collimation superposition. After reconstruction, the solar field angle is 31.6 ', the irradiation nonuniformity of the working condition of AM0G / AM1.5 G is 0.95% and 0.77% respectively, the power in a barrel in a sampling interval of 184mm * 184mm of a target surface is 97.51%-98.58%, the defocusing amount of-150 mm to 150 mm and the inclination angle of-24 degrees to 24 degrees still meet the IEC 60904-9: 2020 A + level, and the device is suitable for high-precision light beam regulation and control of direct solar radiation simulation.

The utility model discloses a fixed photovoltaic module mounting bracket, which belongs to the technical field of photovoltaic brackets, and comprises a precast pile with a vertical column at the top, an upper tray and a lower tray which are correspondingly arranged at the upper end and the lower end of the vertical column, and a frame structure which is obliquely arranged at the upper end of the vertical column through the upper tray and is used for bearing a photovoltaic module, the lower tray is connected with the left side and the right side of the frame structure through the supporting assembly, and the inclination angle of the frame structure is matched with the solar included angle of the installation ground. The fixed photovoltaic assembly installation support can be suitable for complex terrains or small-area terrains, the installation angle of a photovoltaic assembly is set according to the solar included angle of an installation site, meanwhile, the fixed photovoltaic assembly installation support has high stability performance, the influence of external force such as wind pressure can be effectively resisted, and the safety of the photovoltaic assembly is ensured.

The invention discloses a concentrating photovoltaic module and a roof concentrating photovoltaic device. The concentrating photovoltaic module comprises a module frame, a plurality of CPV module units, a plurality of rotating mechanisms and a driving mechanism. The CPV module units are in a strip shape, and the CPV module units are arranged in parallel at intervals in the x-axis direction and installed in an area defined by the assembly frame. One end of each CPV module unit is correspondingly connected with one rotating mechanism, the driving mechanism is in transmission connection with the rotating mechanisms so as to drive the rotating mechanisms to rotate, and the rotating mechanisms drive the correspondingly connected CPV module units to rotate around the axes of the corresponding CPV module units. According to the concentrating photovoltaic module, each CPV module unit can be dynamically rotated according to the real-time change of the sun angle so as to realize the adjustment of the light receiving angle, the overall height change of the concentrating photovoltaic module in the rotation process is very small, and the requirement of low-height installation of a roof is met.

The utility model relates to the technical field of photoelectric heating, and discloses a fused salt groove type solar thermal power generation heat collector which comprises a light-transmitting protective cover, a heat collecting pipe, a reflection condenser and a tracking rotating system. The light-transmitting protective cover can allow sunlight to pass through and is provided with a closable cavity; the heat collecting pipe is arranged in the cavity of the light-transmitting protective cover in a suspended mode so that the heat collecting pipe can not rotate along with the sun, and the heat collecting pipe is connected with the molten salt steel pipeline through a flexible hose. The reflective condenser is rotatably arranged in the cavity of the light-transmitting protective cover; the rotary tracking system is connected with the reflective condenser and used for controlling the reflective condenser to rotate along with the angle of the sun so that the reflective condenser can focus on the heat collecting pipe in real time. The solar water heater has the advantages that the heat collecting pipes are arranged in a suspension mode, the heat collecting pipes do not need to rotate along with the sun, the heat collecting pipes are connected with the molten salt steel pipeline through the flexible hoses, rotating joints are not needed, leakage risks do not exist, and maintenance is easy.

The invention discloses a single-plate solar angle adjusting device, and particularly relates to the technical field of solar devices, the single-plate solar angle adjusting device comprises a base support, a solar panel is rotatably mounted on the front side of the upper end of the base support, and an angle adjusting assembly is arranged between the base support and the solar panel; an environment sensing assembly is arranged on the upper portion of the rear end of the solar panel, and a control module is further arranged at the lower end of the solar panel. According to the single-plate solar energy angle adjusting device, the actual angle between the solar panel and the ground plane can be accurately calculated through an angle dual verification mechanism in combination with base gradient calibration data, and the adjusting precision error is smaller than or equal to 0.1 degree; meanwhile, the torsion difference of the double screws is monitored in real time by means of a torsion sensor, the rotating speed of the motor is dynamically and finely adjusted, synchronous operation of the double screws is ensured, angle deviation caused by transmission lagging and uneven resistance is avoided, accurate matching of the solar panel and the illumination direction is achieved, and the illumination receiving efficiency is maximized.

The application discloses a kind of angular momentum unloading method and device based on trajectory prediction, belong to the field of spacecraft attitude control.Method includes: according to the inertia characteristic of satellite, geometry configuration and solar angle, the combined interference torque of satellite is calculated by the solar pressure resultant moment and gravity gradient moment in body coordinate system;According to the numerical integral average of X axis and Z axis interference torque of satellite under different solar angles and the numerical integral function maximum of Y axis interference torque predicted by combined interference torque, and according to the predicted result, the angular momentum pre-bias value of three axes of satellite under different solar angles is obtained;According to angular momentum pre-bias value, the target angular momentum corresponding to the solar angle of satellite at preset unloading time is found, and according to the search result, the jet control moment of thruster of satellite is adjusted, to unload satellite angular momentum to target angular momentum.The application can effectively reduce the fluctuation range of the accumulated angular momentum of star body and the rotation speed of momentum wheel.

The utility model relates to an inclined single shaft tracking dodging type photovoltaic agricultural greenhouse, which comprises a greenhouse main body, a plurality of pairs of supporting parts and photovoltaic units arranged on the supporting parts, the photovoltaic units comprise photovoltaic panels and dodging plates, driving units are arranged on the supporting parts, each driving unit comprises a rotating shaft and a driving part, and the rotating shafts are connected with the driving parts. The photovoltaic unit is arranged on the rotating shaft so that the photovoltaic unit can track the sun angle, and the length of the greenhouse body extends in the east-west direction. According to the utility model, the tracking system is cooperated with the uniform light photovoltaic technology, so that the deep integration of photovoltaic power generation and agricultural production is realized, the tracking system dynamically tracks the solar azimuth angle, the annual effective power generation duration of the photovoltaic panel is prolonged, the uniform light plate diffuses direct light to all directions, the illumination uniformity in the greenhouse is greatly improved, and the illumination efficiency is improved. And a'zebra-shaped 'shadow zone is effectively eliminated.

The present invention discloses a method and system for magnetically controlling solar capture of a satellite's intermediate inertia axis. When a satellite enters a safety mode, the solar angle of the satellite's safety mode in a continuous time period is obtained, the solar state of the satellite's intermediate inertia axis is determined based on the solar angle, and the satellite is determined to enter a solar capture mode or a spinning mode based on the solar state. When the satellite enters the solar capture mode, the solar state of the satellite's intermediate inertia axis is determined based on the solar angle of the main plane. When the intermediate inertia axis is within the solar range, the satellite's gyroscopic angular velocity and solar angle are obtained, and whether the satellite enters a spinning mode or remains in the solar capture mode is determined based on the gyroscopic angular velocity and solar angle. The method enables the satellite to adopt a minimum control configuration and energy, controls the satellite's attitude based on the satellite's solar angle and gyroscopic angular velocity, ensures that a sailboard in a sunlit area can efficiently capture the solar energy of the intermediate inertia axis, and achieves rapid replenishment of satellite energy.

This invention belongs to the field of grounding grid monitoring technology for mountain photovoltaic power stations, and discloses a safety monitoring system and method for grounding grids of mountain photovoltaic power stations. The acquisition unit uses FPGA synchronization technology to synchronously acquire core parameters of the grounding grid, photovoltaic operating condition related data, and layered soil moisture content, capturing the mutual influence between multiple factors. The calculation unit uses pure copper and zinc-aluminum alloy dual reference electrodes to offset the interference of soil temperature and salinity fluctuations on monitoring. Then, it uses adaptive Kalman filtering to filter out harmonic noise and combines the correlation function fitted by measured data to correct the grounding resistance, keeping the error within a low range. The calibration unit implements differentiated calibration strategies for rainy and dry seasons and automatically triggers differential calibration when encountering sudden faults. The photosensitive sensor of the prediction network unit collects changes in light intensity in real time, combines the geographical information stored in the digital altitude model, and calculates the change in solar angle through the solar altitude angle formula to predict the shadow movement trajectory in advance.