47 results about "Mesh grid" patented technology

Method and systems for aggregation and control of energy grids including distributed energy resources are disclosed. The method and system disclosed use the intelligence available in the information data network, and avoid dependence on the utility / system operator operational data network,

A method for communicating over a mesh network established between a plurality of devices is disclosed. Each device has a wireless radio and the method involves launching a mesh service on each device, the mesh service being operable to cause a processor circuit of the device to provide functionality for controlling the wireless radio for communication between devices over the mesh network. Each device has at least one application running on the device, the at least one application being associated with a mesh port, the mesh port being used to designate data transmissions as being associated with instances of a specific application running on at least some of the devices in the plurality of devices, the at least one application and the mesh service on each device being in data communication. The method also involves, in response to a specific application running on a device requesting the mesh service to provide access to the mesh network for communication via a specific mesh port, causing the mesh service to determine whether the specific application is authorized for communications on the specific mesh port, and if the specific application is authorized, processing requests from the application to communicate on the specific mesh port over the mesh network and forwarding data transmissions associated with the specific mesh port to the specific application, and if the specific application is not authorized, declining requests from the application to communicate on the specific mesh port over the mesh network and preventing access by the specific application to data transmissions associated with the specific mesh port.

Provided are an automatic lifting type algae turf system and an artificial algae field establishing method thereof. A plurality of square algae turf frames provided with mesh structures are included, and algae seedlings are arranged at each mesh. Four floaters are connected to the top ends of four right-angle bending heads of each square algae turf frame, and the bottom ends are connected with rope cables and settlers. Each square algae turf frame is fixed between two mooring ropes. The artificial algae field establishing method comprises the steps that before casting, the algae seedlings are clamped in the middle of the four sides of each mesh through algae clamps; and two anchors are cast in an incident-flow direction, after tensioning, a first square algae turf frame is cast in a downstream direction, and repeated operation is carried out in sequence. Large-area artificial algae field establishing can be achieved easily, automatic sinking can be achieved under the sea state of heavy storm wave, the safety of an algae turf and algae is protected, the structure is simple, assembling is easy, operation is convenient, cost is low, the method is suitable for large floating type algae field establishing in most sea areas in China, the application range is wide, and large market potential is achieved.

The invention discloses a satellite task planning method for realizing maximum observation area by limited coverage resources, which comprises the following steps: 1, discretizing and expressing an area to be observed by using grids, so that the original coverage problem of a larger area is converted into the coverage problem of the grids; 2, establishing an integer linear programming model of theproblem based on the grid, and designing a heuristic algorithm based on dynamic greedy by taking the realization of the maximum coverage area as an optimization target; 3, repeatedly refining the grid in a nested manner, and proposing a method for constructing an adjacent coverage mode on the new grid to prevent all coverage modes from being regenerated each time; and 4, combining grid refinement, construction of a near coverage mode and a dynamic greedy-based heuristic algorithm, and performing multiple iterations to obtain a better feasible solution. According to the method, the satellite task arrangement result with the maximum coverage area as the purpose can be quickly obtained, so that the satellite can fully utilize limited observation resources to complete observation tasks as many as possible, and the utilization efficiency of satellite resources is improved.

The invention discloses an ozone generation high-value region identification method and device, a storage medium and equipment, and belongs to the technical field of pollution monitoring. The method comprises the following steps: acquiring satellite remote sensing data, normalized vegetation index data and enterprise related data in a monitoring area; according to a preset scoring model, the satellite remote sensing data, the normalized vegetation index data and the enterprise related data, scores of at least part of the grid regions in the monitoring region being calculated; and according to the score, identifying the grid region meeting a preset condition as an ozone generation high-value region. According to the method, the satellite remote sensing data and the normalized vegetation index data are utilized to quickly lock the potential ozone generation high-value region in a large-scale range, and the ozone generation high-value region can be accurately identified by combining multi-source data such as enterprise related data for comprehensive judgment, so that a scientific aid is provided for ozone pollution prevention and control. And related departments can be helped to carry out law enforcement inspection and arrange production activities in a targeted manner, so that the collaborative development of economy and environment is guaranteed.

The invention discloses a food dicing machine. The food dicing machine comprises a container, a gridding knife assembly and an upper cover, wherein the gridding knife assembly is installed at an opening of the container, and the upper cover is arranged above the opening of the container. The gridding knife assembly comprises a gridding knife plate and a rotating cutter placed on the gridding knife plate. The middle of the container is provided with a transmission shaft. The transmission shaft upwards and freely penetrates through a center hole of the gridding knife plate to be detachably connected with the rotating cutter. The upper end of the transmission shaft is provided with a transmission head connected with the rotating cutter. The connecting position of the transmission head and the rotating cutter is provided with a buckling structure easy to disassemble and assemble. The buckling structure is further provided with a limiting device in the vertical direction. When the rotating cutter is placed on the transmission head and rotates, a driving buckling part arranged on the rotating cutter and a driven buckling part arranged on the transmission head are buckled with each other, so that the transmission shaft is driven to rotate, and the rotating cutter does not shift up and down during rotating through the limiting device of the buckling structure. According to the food dicing machine, the structure is simple, in addition, the rotating cutter can be restricted from being shifted up and down, installing and operating are convenient and easy, and cleaning is convenient.

The invention relates to a rational tangent amplitude modulation screening method based on a minimum threshold matrix. On the basis of a minimum threshold matrix design principle, an amplitude modulation screening algorithm angle and a threshold matrix are designed, and the method comprises the following steps of: 1, designing the sizes of 0-degree, 15-degree, 45-degree and 75-degree threshold matrixes respectively according to the design principle of the minimum threshold matrix; 2, after the sizes of different screening angle threshold matrixes are designed, designing the screening thresholdmatrixes of 0 degree, 15 degrees, 45 degrees and 75 degrees by taking the angular points of the grids as starting points according to a threshold matrix design rule; 3, screening the whole grayscaleimage; and step 4, solving pixel coordinates of the original grayscale image. According to the method, screening including 0-degree screening, 15-degree screening, 45-degree screening and 75-degree screening is achieved at different angles, rational tangent screening cannot be achieved for 15-degree screening and 75-degree screening, an approximate angle screening mode is adopted, an error is reduced to the minimum, and influence of the angle error on a screened image is reduced to the minimum.