54results about How to "Assigned" patented technology

The invention relates to a method and device for performing on-load scheduling on a single-phase load in the intelligent power grid field. A master controller is mounted at an input end of a three-phase wire, a secondary controller is mounted at each single-phase branch of the wire, and the master controller exchanges information with the secondary controllers through communication interfaces. When the wire power unbalanced degree is over limit, the master controller optimizes and formulates a control scheme to operate the secondary controllers to convert the single-phase load between the phases; in the conversion process, the load is free from instant power off, and the power grid is free from impact and interference; and therefore, the distribution circuit dynamically runs in a load balance state, the unbalanced consumption problem of the circuit is completely solved.

Disclosed are a system and method for managing the excessive distribution of a memory. In the present invention, based on page sharing technology, by collecting the software types of virtual machines running in each server in a trunking, the virtual machines with similar running software types are migrated from the server to a designated server, so that the page sharing effect among the virtual machines is better and the excessive distribution effect of the memory is better; and meanwhile, no waste of the bearer capability of the servers in the system is ensured. The optimal cooperation of the utilization rate of the memory of the entire system and the utilization rate of resources is achieved and the memory of the entire trunking system is better distributed. Meanwhile, the present invention reduces the number of running servers, saves energy and operation cost, reduces the environmental pressure, reduces the discharge of carbon dioxide and has great social benefits and economic benefits.

The invention provides a method for determining five stand tandem cold mill depressing distribution. The method comprises steps of designing rolling strategy modes and various grading forms which are suitable to a tandem cold mill in accordance with process requirements of the tandem cold mill and original data of coils, selecting data of grading forms and device parameters of the mill of a device capability form in accordance with selected depressing distribution rolling strategy modes and depressing distribution proportionality coefficients, setting up a depressing distribution calculation model, calculating rolling process parameters by using a rolling process mathematical model, solving a non-linear equation model through a quasi-Newton method, calculating obtained satisfied depressing distribution, storing the depressing distribution data to a database, and preparing data for setting a calculation model. According to process properties of the tandem cold mill, the proper rolling strategy modes are provided, the depressing distribution calculation model is set up, the principle is simple, the implementation is easy and the operation is convenient.

The invention discloses a cascade hydroelectric station surplus water optimizing method and a system. The invention is characterized in that the optimal dynamic surplus water boundary of the hydroelectric station can be determined according to the optimal coordination relation between the hydraulic head and the power discharge rate; the dynamic surplus water boundary dynamically changes as the hydraulic head and the power discharge rate of the hydroelectric station change; by combining the optimal dynamic surplus water boundary with the optimizing regulation model of the cascade hydroelectric station, the optimal power discharge rate and the surplus water flow rate of the hydroelectric station are determined by optimized means; and the specific implementation process should cooperate with the data acquisition system and the control system of the hydroelectric station. The invention abandons the traditional concept that surplus water produces losses in the static surplus water strategy, and realizes the dynamic optimal redistribution of the hydroelectric resources among the cascade hydroelectric stations by utilizing the surplus water of the hydroelectric stations, thereby enhancing the generating efficiency of the generator set and enhancing the overall operating economy of the cascade hydroelectric stations.

The invention provides a vehicle-mounted edge calculation method, device and system based on volunteer cooperative processing, and the method comprises the steps: setting a certain vehicle-mounted edge calculation server, i.e., n vehicle users ri (i = 1, 2,..., n) with task unloading demands in a coverage range of a VEC server vj; and enabling the VEC server vj to receive the task unloading requests of the vehicle users within the coverage range of the VEC server vj, and recruit one volunteer alliance to provide idle resources to assist the volunteer alliance in processing the task amount which cannot be processed by the volunteer alliance according to the total task amount requested to be unloaded by all the vehicle users and the total task amount which can be processed by the volunteer alliance, wherein each volunteer alliance is a vehicle-mounted resource pool composed of a plurality of vehicles with idle resources. According to the invention, the problem of limited computing resources of the VEC server in vehicle-mounted edge computing can be solved, and the vehicle-mounted service quality and the user experience are effectively improved.

The invention relates to the technical field of large file processing, in particular to a large file management system and method based on blockchains. The system comprises a storage layer composed ofmultiple blockchain storage nodes, a query layer composed of multiple blockchain query nodes and an application client side. The storage layer is used for storing large file data, the query layer isused for managing the storage layer and storing the large file metadata, and the application client side is used for storing, downloading and querying the large file data through the query layer. According to the large file management system and method, great convenience can be provided for users to store, download and query the large file data and conduct other operations.

The invention discloses a VR and BIM based urban rail transit vehicle base modular construction simulation method. The method comprises the steps of 1, building a modular database, 101, building a modular environment database, 102, building a modular basic material database, 103, building a modular assembling material database, and 104, building a modular construction equipment database; 2, constructing a three-dimensional construction scene model; 3, selecting an urban rail transit vehicle base modular construction simulation mode and performing modular simulation construction on an urban rail transit vehicle base. By determining the optimal construction process and work progress, and then determining a construction scheme of an urban rail transit vehicle base item project, the construction process is dynamically simulated, a clear and visual learning mode is provided for a constructor, the constructor can find the difference understood by the constructor between the construction process and the optimal construction process, the construction scheme is adjusted in time, and the vehicle base construction progress is effectively ensured.

The invention relates to a beef cattle feeding device. The beef cattle feeding device comprises a base, wherein one side of the upper end of the base is fixedly provided with a motor through a mounting seat, the side, close to the motor, of the upper end of the base is fixedly provided with a feeding box, the two ends of the inner portion of the feeding box are movably provided with a transmissionbelt through bearings, an output end of the motor is fixedly connected with a driving shaft of the transmission belt through a coupling, the side, away from the feeding box, of the upper end of the base is fixedly provided with a plurality of telescopic rods through mounting seats, the sides, close to the feeding box, of the telescopic rods are fixedly provided with a plurality of pushing blocksrespectively, the side, away from the pushing blocks, of the feeding box is fixedly provided with a plurality of feeding pipes respectively, the lower ends of the feeding pipes are fixedly provided with a plurality of feeding mechanisms respectively, the bottoms of the feeding mechanisms are fixedly provided with fixing seats on the ground respectively, and the fixing seats are internally and fixedly provided with a plurality of springs. The beef cattle feeding device can achieve fast cleaning of a feeding trough, can quantificationally discharging feed according to needs, and can effectivelyimprove the feeding efficiency.

The invention discloses an air conditioning system for a computer room. The air conditioning system for the computer room comprises an indoor unit and an outdoor unit set placed outside the computer room. The indoor unit is placed in a cabinet chamber and comprises a machine shell. The machine shell comprises a front door plate and a rear door plate, an upper plate and a lower plate, a left side plate and a right side plate which are arranged oppositely respectively. The rear door plate is provided with an air inlet. The front door plate is provided with an air outlet. The indoor unit further comprises a heat exchanger and cross-flow blowers. The heat exchanger is arranged in the machine shell. The cross-flow blowers are located on the side close to the front door plate. The cross-flow blowers comprise cross-flow fans, driving motors, volutes and volute tongues. The driving motors drive the cross-flow fans. Air passages are formed by the volutes and the volute tongues. The driving motors are installed on the upper plate and/or the lower plate. The volutes and the volute tongues are installed on the machine shell. According to the air conditioning system for the computer room, the technical problems that an existing air conditioning system for a computer room is too high in energy consumption and big in noise are solved. The air conditioning system for the computer room is specifically suitable for various large-scale data computer rooms.

The present invention relates to a method to manufacture a schottky shielding diode, which forms a number of grooves on the base material and also forms a metal layer on the said base material which has a number of groove as well as forms a shielding metal layer between the base material and the metal layer in order to form the schoottky shielding diode.

The invention provides a resource allocation method of an unmanned aerial vehicle assisted wireless power supply Internet of Things, which can realize optimal resource allocation of an unmanned aerial vehicle and a wireless node in a wireless power supply Internet of Things system and improve the system performance. The method comprises the following steps: constructing a wireless power supply Internet of Things system consisting of an unmanned aerial vehicle and wireless nodes; constructing a maximum profit function of energy transfer of the wireless nodes, and solving the constructed profit function to obtain optimal transmitting power from the wireless nodes to the unmanned aerial vehicle; enabling the unmanned aerial vehicle to construct an unmanned aerial vehicle and wireless node resource allocation model based on a dynamic game in the wireless information transmission and wireless power transmission process with the goal of maximizing the energy transmission income; and according to the constructed unmanned aerial vehicle and wireless node resource allocation model based on the dynamic game, obtaining a Nash equilibrium solution by utilizing Berman dynamic programming, and taking the Nash equilibrium solution as an optimal allocation strategy of wireless energy transmission resources in the wireless power supply Internet of Things system. The invention relates to the field of wireless power supply Internet of Things.

The invention belongs to compressor field, relates to a oil supply structure of scroll compressor. The technical project is: the rotating shaft fixed on the rotor center through the shaft hole of the assistant frame is combined to the dynamic scroll disk which can gear with the static scroll disk and compress the secondary refrigerant by the eccentric shaft, simultaneously, more than one screw group and oil guiding grooves for the oil draining holes are arranged along the inner side of the oil way which is formed along the length of the rotating shaft for transferring the lubricating oil stocked in the bottom of the casing to the friction surface on upper of the compressor by centrifugal action, The invention makes the lubrication oil supply more sufficient for compressor.

The invention discloses an unmanned aerial vehicle network transmitting power distribution method and device based on reinforcement learning, and the method comprises the steps: initializing the states of an unmanned aerial vehicle and a user, and defining the parameters of an action space and a neural network; initializing a value function and a Q value of a current network state; interacting with the environment to receive reward feedback and calculating a Q value for adopting a current action; selecting an optimal action according to the maximum value of the reward obtained by feedback; updating the next state of the system and storing the next state into the experience pool; judging whether the experience number reaches an expected value or not, if so, starting deep reinforcement learning, and if not, continuing circulation; obtaining an instant reward according to a Bellman equation, carrying out deep learning by adopting a DPPO algorithm, and carrying out reinforcement learning by taking long-term reward function maximization as a target; and judging whether the value of the long-term reward function tends to converge, and terminating learning when the value tends to converge, thereby completing resource allocation optimization of the unmanned aerial vehicle wireless ad hoc network.

A base station device and a communication terminal device capable of estimating interference to another cell in the upstream line and enabling optimal allocation. In a base station (100), a scheduling/transmission parameter decision section (113) inputs soft handover information from an upper node layer and does not perform individual allocation for a mobile station in a soft handover state. Thus, the mobile station performs continuous transmission with a constant transmission rate (such as encoding ratio, modulation method, spread ratio, transmission power, and the like).

This invention discloses a controlling device which can control the air flow in the cold storage container, its characteristic is that wind distributing board is fixed in the cold air flowing room, connects to the fixed location of the back board, fixes on the rack of the cold storage container. The wind distributing board is made up by the central part which has direction angle and the front part which connects to the central part. When adopting this invention, the cold air can flow uniformly, and reduce the material change between the cold air and outside, so the substance on the rack can be froze uniformly, and reduce the power usage.