1310 results about "Grid system" patented technology

The invention discloses a blockchain-based evidence preservation method, which is applied to a network system with master nodes and slave nodes, including: each slave node performs identity verification to the master node, and assigns a pair of secret keys to the slave nodes that pass the identity verification. key, and write the registration information of the slave node into the blockchain; after the master node responds to the corresponding slave node with the evidence upload request received, the slave node signs the electronic evidence to be uploaded with the corresponding private key and sends To the master node; according to the registration information of each slave node in the blockchain, verify the legitimacy of the slave node and the authenticity of the signature of the corresponding electronic evidence, store the verified electronic evidence to the cloud storage server and generate the corresponding digital fingerprint, Write the generated digital fingerprint into the blockchain along with the corresponding timestamp. The evidence preservation method of the present invention has strong real-time performance, can save a lot of time, and does not require the participation of a third-party notary organization, thereby saving social resources.

A system for characterizing malicious activity in an intelligent utility grid system includes a system storage in which to store a database including a plurality of rules. A collector is operable to collect and store in the system storage information-technology (IT) data including IT-related activity from the intelligent grid system. A complex event processing (CEP) bus is operable to receive non-IT data including location-specific event data from a plurality of electronic sources, the CEP bus further operable to disregard the non-IT data failing to meet a predetermined level of relevance to one of a plurality of risk-related events. A processor is operable to apply the plurality of rules to the relevant non-IT data to: associate an undesired event with reference to the IT-related activity; and determine a probability that the undesired event is indicative of malicious activity. The processor further applies a risk characterization to the undesired event based on the probability and the IT-related activity.

A midsole insert for use with a shoe is provided. The midsole insert includes a heel portion, a midfoot portion, and a forefoot portion, and a plurality of grid systems located on the midsole insert, where each grid system includes a plurality of openings cut into the midsole insert forming a lattice pattern. The plurality of grids may be located on at least one of the heel portion, the midfoot portion, and the forefoot portion, constructed to provide energy return features. The midsole may further be constructed and arranged to attach directly to an upper during a manufacturing step, to secure the shape of the upper on a last. By attaching directly to the upper, the midsole insert eliminates the need for a stroble board, which is typically used to secure the upper to the last. By eliminating the stroble board, the present invention places the midsole insert and the energy return grid system closer to the foot, which maximizes reaction time and performance. The midsole insert may be formed of at least two materials having different hardnesses, such that the heel portion has a greater hardness than the forefoot portion.

A droop control system for grid-connected synchronization connects to a plurality of distributed power generation modules and a utility grid system. The droop control system includes a detection processing module and a plurality of regulation control modules corresponding to the distributed power generation modules. The detection processing module is coupled with the distributed power generation modules and utility grid system in parallel to obtain a voltage difference, a phase angle difference and a frequency difference. The regulation control modules perform droop control of real power-frequency variety and reactive power-voltage variety and phase angle compensation. Through reactive power-voltage variety droop control approach, impact of impedance alterations in the power system can be eliminated and voltage fluctuations can also be minimized to achieve stable effect. Hence electric power of the utility grid system and distributed power generation modules can be regulated synchronously.

Methods and systems are provided for conducting maintenance such as software upgrades in components and nodes within a computer network while maintaining the functionality of the computer network in accordance with prescribed performance parameters. A balance is achieved between the rate of performing a desired system upgrade and the necessary performance parameters by empirically determining anticipated system loads and selecting the maximum number of components that can be upgraded simultaneously while meeting the anticipated loads. Provisions are made for the staggering of components through the upgrade process and for the return of components to active service in the computer network in response to unanticipated load spikes. Validation of successful upgrades is also provided.

The invention discloses an alternating current and direct current hybrid micro-grid system and a control strategy of the micro-grid system. The micro-grid system comprises multiple generation units, load, a distribution line for connecting the generation units and the loads, and a monitoring protection unit; each generation unit comprises a large power grid, grid-connected AC/DC (alternating current/direct current) of the large power grid, an energy storage system, a DC/DC (direct current/direct current) converter of the energy storage system, a wind power generation system, an AC/DC converter of the wind power generation system, a photovoltaic power generation system, a DC/DC converter of the photovoltaic power generation system, and a diesel generator; said load includes AC non-significant load, AC significant load, AC/DC load, DC significant load and DC non-significant load; the distribution line comprises a DC distribution line and an AC distribution line; the operating status of each energy conversion device can be monitored in real time by the monitoring protection unit, two operating ways such as grid connection and isolation of the system can be realized by different control strategies, the distributive generation unit and the energy storage unit realize coordination and cooperation by controlling energy storage DC/DC, photovoltaic DC/DC, and wind power AC/DC, so that the power supply reliability is improved and the significant load can continuously operate.

A tool container includes first and second container members rotatably connected to create an inner compartment. Each member has a compartment outer wall and integrally formed perimeter walls. A grid system is created on an inner compartment facing surface adjacent at least one of the compartment outer walls. The grid system includes female receptacles arranged in each of a plurality of rows and columns. Tool packages having at least one male peg member are releasably engaged within selected receptacles providing multiple locations and orientations about the grid system for the tool packages.

The invention discloses a fault detection system based on edge calculation. The fault detection system comprises a cloud server, an edge processing device, and an acquisition device. The cloud serveris used for training a neural network in advance and downloading the trained neural network to the edge processing device. After acquiring the state data of a grid device in a grid system, the acquisition device transmits the state data to the edge processing device. The edge processing device uses the neural network to analyze the state data, and the cloud server determines whether the grid device generates a fault according to an analysis result. It can be seen that the system, by downloading the neural network to the edge processing device, and can analyze the state data first by using theedge processing device during fault detection, thereby reducing the computing pressure of the cloud server and improving the fault detection efficiency.

A grid system for torsion spring mounting of aluminum-framed panels is provided which includes a plurality of main grid beams and spacer bars. The main grid beams support a side load mounting clip formed with a slot in the side of the side load mounting clip to engage a torsion spring held by a spring retainer clip such that the panel is supported by the torsion spring. Disengagement of the torsion springs lowers the panels and permits access to the ceiling grid system above the panel members. In a preferred embodiment, the panel has a multifaceted profile including an edge surface that abuts a corresponding edge surface on an adjacent panel. The peripheral edges of the adjacent panel members diverge above the abutting edge surfaces to accommodate either the alignment fin or the tab of the tile stop and diverge below the abutting edge surfaces to form a reveal.

The present invention is generally directed to a reconfigurable armored unit for use in training exercises. In one aspect, a reconfigurable training facility is provided. The reconfigurable training facility includes a first modular unit. The reconfigurable training facility further includes a second modular unit, wherein each modular unit includes a frame with corner connection members and a grid system, whereby the corner connection members are used to connect the modular units together and whereby the grid system is used to selectively support a plurality of panels. In another aspect, a modular unit for use in a reconfigurable training facility is provided. In yet another aspect, a method of forming a reconfigurable training facility is provided.

The invention discloses a digital museum grid and the construction method thereof; the digital museum grid includes a grid portal device, a job dispatching and an execution management device, an information center, a resource retrieval service device, an ontology service device, a heterogeneous database accessing and integration device, a grid monitoring device and other devices. The method includes: establishing an ontology device to establish the instantiation relation between digital museum resource and the global ontology by semantic labeling, establishing the heterogeneous database accessing and integration device to provide a global uniform view and a uniform access interface of heterogeneous database resource for the users of grid system recourse, establishing the grid resource monitoring device to collect original state data of monitoring nodes and classify the data into uniform standard information format for visualization, establishing the grid portal device to provide grid resource accessing and service, application of execution and monitoring grid, and a service environment supporting the cooperative work of users. In the process of application, the invention utilizes grid middleware and receives job request through a grid job dispatch device to fulfill job dispatching and execution information management and to generate and manage the resource retrieval service device so as to index a grid service device through an information service device. The invention can realize the mutual communication and organic sharing of the massive digital museum resources in multidisciplinary field and eliminate the isolated island phenomena of sample information.

The invention provides a cellular signaling data based track traffic travel mode identification method for a resident. The method is characterized by comprising the steps of obtaining all cellular signaling data in daily travel of one resident, identifying an effective travel section, constructing a geographic grid system, mapping a track traffic route and the effective travel section into the geographic grid system, and recording position information by using a grid coordinate sequence; and in the grid system, judging whether the travel belongs to the track traffic travel or not according to the position matching of the effective travel section and the track traffic route, the track similarity and an average speed value of the travel section. According to the method, high-timeliness and high-precision judgment on a track traffic travel mode is realized by utilizing mass cellular signaling data; and the method is favorable for a traffic management department to accurately master track traffic route information and reasonably plan the track traffic route, and has an important significance for improving the living quality of residents and the satisfactory degree of city traffic.

A threaded coupling member for supporting a suspended ceiling grid system from an overhead support structure. A threaded connector nut is designed to be placed or dropped into an upper channel of the suspended ceiling grid system whereby, because of the configuration of the connector nut, a threaded opening formed through the connector nut will be positioned for engagement by a threaded end of the coupling member.

This invention provides an improved carrier rack for motorized vehicles such as all terrain vehicles (ATV). The rack provides a flat surface and includes a grid system of threaded anchor points for attachment of load blocks. Elongated fasteners with hand knobs thread into the anchor points, which provides a means for tightly securing a plurality of accessories and cargo types with or without straps, rope or hooks. The rack further includes mounting brackets with elongated slots to permit attachment to a variety of existing racks.