46 results about "Loss balance" patented technology

The invention discloses a flash translation layer (FTL) with a data compression function and an implementation method. The FTL with the data compression function mainly comprises a compressor, a decompressor, a buffer, an address mapping management module, a trash recycling module and a loss balancing module. An LZ77 (Lempel-Ziv 77) algorithm based single-page compression strategy is adopted for the compression of written-in data and the decompression of readout data. A data compression technology is used for decompressing/compressing the readout/written-in data, a soft buffer is implemented in the FTL, and the data volume written-in and read-out from a flash memory solid state disk each time is reduced, thereby improving the integral reading and writing performance of the flash memory solid state disk.

The invention provides a series resonance inverter and an implementation method of the series resonance inverter. The implementation method of the series resonance inverter comprises the steps that control over starting and stopping of four switching devices of the series resonance inverter is carried out through alternate switching between PWM modulation and non-PWM modulation, wherein the starting frequency and the stopping frequency of the switching devices are adjusted according to resonance current. The process of alternate switching comprises at least two switching periods, wherein in one of the switching periods, two paths of driving signals are used for driving two switching devices of an upper edge bridge to carry out non-PWM modulation so that the two switching devices can work with a preset duty ratio, the other two paths of driving signals are used for driving two switching devices of a lower edge bridge to carry out PWM modulation; in the other switching period, the two paths of driving signals are used for driving the two switching devices of the lower edge bridge to carry out non-PWM modulation so that the two switching devices can work with the preset duty ratio, and the other two paths of driving signals are used for driving the two switching devices of the upper edge bridge to carry out PWM modulation. The series resonance inverter and the implementation method of the series resonance inverter can be beneficial to achieving loss balance of the switching devices and the design of heat dissipation structures of the switching devices.

The invention discloses a loss balancing method which is based on static data in an NAND flash memory file system. The method divides erase blocks of the whole NAND flash memory into four types: a free block, a clean block, a dirty block and a bad block, and forms four linked lists; the free block linked list links the erasing blocks in accordance with the erasing times from small to large, a threshold TH is set and a block from the free block linked list is selected and datum of A erasing block having the largest erasing times is copied to the free block; then the erasing operation of the A erase block is executed, then datum of B erasing block having the smallest erasing times is copied to the A erasing block; then the B erasing block is put into the dirty block linked list, frequently updated data are stored in the B erasing block after the B erasing block is erased. The invention can balance the erasing times of static data and dynamic data, and the loss balance of the whole flash memory device is obtained.

The invention discloses an electronic data flash card accessed by a host computer, composed of flash controller connected with the flash device and input-output interfce circuit. The flash communicates with the host computer using USB interfce circuit. The flash controller comprises an arbitrator for establishing mapping between the logical address and physical bolck address and performing block administrative operation, wherein the block administrative operation comprises: storing the redistributed data in usable block, rearranging the effective data in expired block to the said usable block and resetting the effective data to the usable block and then erasing the expired block to recovery and erasing number loss balance of block. In addition, each flash device is provided with internal buffer for accelerating the block administrative operation.

A nondestructive equalizing charge multi-series connceted cell circuit is provided with a battery consisting a plurality of cells which are connected in series. The battery is connected with a power supply unit. A switch is connected between every two cells in series; each cell is connected with a precise voltage detector in parallel so that the voltage detector detects whether the voltage of the cell is full, and transmits the detected result to a charge control circuit which controls the position of the switch. In this way, a charging source of the power supply unit can charge all cells during charging. When the voltage detector detects that voltage of a cell is full, the charge control circuit controls the switch of the cell, and regulates the switch into the off position so that the cell stops charging. In this way, the circuits of the cells full of power are disconnected one by one until completion of charge.

The present invention provides a high frequency device, a filter, a duplexer, a communication module, and a communication apparatus. In a high frequency device, resonators (IDT capacitors) that function as capacitors are included in a lumped constant balun included in a filter or duplexer, and furthermore, the resonance frequency of the IDT capacitors is set higher than the passband frequency of the filter. This improves the capacitor Q value, thus enabling the realization of a low-loss balance filter.

The invention discloses a memory system structure based on phase change memorizers and a loss balancing algorithm of the memory system structure. The memory system structure comprises an internal and external memory controller, peripheral equipment of the internal and external memory controller, an internal memory unit and an external memory unit, wherein the internal memory unit and the external memory unit are connected with the internal and external memory controller; the internal memory unit comprises one phase change memorizer (PCM) and a dynamic random access memorizer (DRAM), and the external memory unit comprises one phase change memorizer (PCM). Internal memory and external memory which are separated in a traditional computer memory system structure are combined, the data reading and writing capacity is higher by hundreds of thousands of times than an existing external memory connected through external I/O, meanwhile, the memory system structure saves power greatly, the contradiction that the external memory is unmatched with the internal memory in performance, and a traditional memory hierarchical structure is unmatched with a process in performance is solved fundamentally, the speed and power consumption of the reading and writing process are be superior to an existing memory system by over ten thousand times, and huge performance difference between the internal memory and the external memory is solved fundamentally.

The invention relates to a rapid economic evaluation method of ionic adsorption rare earth ore. The method comprises the following steps: carrying out geological exploration to collect geological survey borehole data and borehole sampling and testing data of a target mine area and establishing an ore deposit borehole database; performing 3D ore body modeling by using the borehole data and performing grade interpolation by using a kriging method to obtain an ore deposit ore body model; performing price sensitivity analysis by acquiring a large quantity of mineral products market data and establishing a mineral product price-boundary grade calculating model; using the model to determining the boundary grade of a specific ore deposit under different market prices and then using the boundary grade to constrain the ore deposit ore body model and to delineate an ore body range, and then performing reserves calculation. According to the change of the market price and the operating cost of the enterprise, the profit and loss balance point is determined according to the basic geologic characteristics of the weathering crust and the distribution of the rare earth elements, and the boundary grade and the industrial grade are determined by comprehensively considering the profit margin and the like. further, computer technology is used for delineating the ore bodies and to calculate the reserves of resources, and providing the basis for the reasonable determination of a mining plan.

The invention discloses a multi-channel NANDflash controller capable of simultaneously carrying out data transmission and FTL (Flash Transition Layer) management, which comprises a microcontroller, an equipment controller, a data storage, an ECC (Error Correcting Code) unit, a data access arbitration logic unit, an NANDflash controller, a memory for storing data generated by FTL management and an additional ECC unit. A special data channel is arranged for the data generated by FTL management, thus the influences of garbage patch sorting and loss balancing on the system performances can be greatly reduced, the design of the NANDflash controller is optimized, and the performance of the system is improved.

The invention discloses a multi-task cross-server resource allocation method based on bidirectional auction in MEC. The multi-task cross-server resource allocation method comprises the following steps: acquiring the type and quantity information of an application program deployed by each edge server of a seller, and determining the price information of each edge server of the seller for processinga single task; acquiring the type, the number and the maximum tolerance delay information of the to-be-processed task of each mobile device of the buyer; determining bidding information of each to-be-processed task in each mobile device of the buyer; and only publishing the offer information and the bid information to the auction party, determining the price and the winner of the two parties according to the price strategy by the auction party, and completing resource allocation according to the winner information of the two parties, wherein the price strategy is a bidirectional auction mechanism based on a profit and loss balance point or a bidirectional auction mechanism applying separation. The multi-task cross-server resource allocation method provided by the invention has relativelyhigh system efficiency.

The invention relates to the technical field of big data processing, and provides a financial product recommendation method and device, computer equipment and a storage medium, and the method comprises the steps: generating a client historical transaction data table and a product historical transaction data table according to historical transaction data collected from each platform; obtaining current transaction data of the client, and obtaining gain information according to the current transaction data, the historical transaction data table of the client and the historical transaction data table of the product; obtaining product subscription information and product net value change information, carrying out product profit and loss balance analysis according to the product subscription information and the product net value change information, and obtaining product profit and loss information; and recommending financial products according to the product profit and loss information, theclient historical transaction data table and the gain information. In the whole process, historical transaction data are automatically and widely obtained through the server, product recommendation isconducted in combination with client gains and product profit and loss fast and professionals, gains between enterprises and clients are balanced, and the efficiency of product recommendation work isimproved.

The invention relates to a direct current measuring device and belongs to the current measurement equipment electrotechnics field. The direct current measuring device of the invention comprises a sensing head; the sensing head is circular and includes a first annular detection iron core, a second annular detection iron core, a third annular detection iron core and a fourth annular detection iron core; after the first annular detection iron core and the second annular detection iron core which are wound with detecting windings are overlapped with each other, the third annular detection iron core and the fourth annular detection iron core are spliced to two sides of the overlapped first annular detection iron core and second annular detection iron core in an overlapped manner, and an obtained structure is wholly arranged in an annular half-empty cavity formed by the inner layer and outer layer of an annular magnetic shielding iron core; and the outer surface of the annular magnetic shielding iron core is wound with a feedback winding. With the direct current measuring device adopted, accurate measurement of industrial strong direct current of several tens of thousands of amperes can be realized, proportion accuracy can achieve more than two ten thousandths. The system can realize automatic tracking and does not loss balance. The device has the advantages of high stability, high reliability and adaptability to industrial application.

The invention discloses an investment project management and control method, which comprises the following steps of: obtaining a preset fragmentation limit and a predicted business parameter in an investment project, and calculating a total consumption share when the investment project is in profit and loss balance based on the fragmentation limit and the predicted business parameter; obtaining atotal reservation share reserved by an investment user, and determining whether the total reservation share reaches the total consumption share or not; and if the total reservation share reaches the total consumption share, completing the construction of the investment project. The invention further discloses an investment project management and control device and equipment and a readable storagemedium. According to the method, the profit and loss balance of the investment project is guaranteed, so that the risk of the investment project is reduced, the economic loss of a user is reduced, full-load operation of the project can be realized, and the project income is increased.

The invention discloses a management method and device of a flash memory conversion layer and a computer-readable storage medium. The method includes the steps of according to a preset priority of alloperations, determining a target operation to be executed at present, and determining a source block and a target block which correspond to the target operation; moving data corresponding to the target operation to the target block from the source block, wherein the target operation includes a trach recycling operation, a loss balancing operation and/or a reading and recycling operation. According to the technical scheme, by providing a uniform interface and simplifying procedures, the operations of the flash memory conversion layer are modularized, after the data is moved, a mapping table can be updated, and the read-write performance and efficiency of the flash memory conversion layer are improved.

The invention relates to the field of big data processing, in particular to a product reject ratio prediction method and device, computer equipment and a storage medium. The method comprises the following steps: receiving an input product reject ratio prediction instruction, wherein the product reject ratio prediction instruction carries a product identifier; obtaining product data corresponding to the product identifier, and calculating according to the product data to obtain a predicted default rate; receiving an input initial loan balance growth condition, an initial verification and salesplan and an initial recovery rate; obtaining a predicted product loan balance according to the initial loan balance growth condition; calculating a product loss balance according to the predicted default rate, the initial recovery rate and the verification and sales plan; and calculating the ratio of the product loss balance to the product loan balance to obtain the reject ratio. By adopting the method, the reject ratio prediction accuracy of products can be improved.

The invention discloses a loss balancing method and device for a nonvolatile memory and a medium. When a small amount of data are written in a physical logic block at a high frequency, a plurality of logic nodes are used for writing from a first byte to a last byte of the physical logic block until the physical logic block is full, and an erasing operation does not need to be carried out every time the data is written. The erasing frequency can be greatly reduced, and the write data can uniformly cover the whole nonvolatile memory, so that the purpose of realizing loss balance in the nonvolatile memory is achieved, and the nonvolatile memory has the advantages of low cost and high efficiency.

The invention discloses a tire burst emergency device. The tire burst emergency device comprises a belt-shaped body formed by series connection of explosion-proof belt units, the belt-shaped body is circumferentially attached to the surface of a hub, the explosion-proof belt units comprise manganese steel layers arranged at the lower part and tyre fabrics layers on the upper part, the manganese steel layers and the tyre fabrics layers are separated by rubber layers through vulcanization and wrapped with the rubber layers, or the explosion-proof belt units comprise a plurality of unit capsulesand shear thickening liquids filled in the capsules. According to the tire burst emergency device, the weight is effectively lightened, a tire is supported when the tire bursts, the tire is preventedfrom falling off from the hub, and a vehicle is further prevented from overturning due to loss balance at the moment of the tire burst.

The invention discloses an intensive roasting method for reducing ash hanging on upper leaves of K326, and belongs to the technical field of tobacco leaf roasting. The present invention raises the dry bulb temperature by 40-42°C in the early stage of yellowing, promotes the dehydration of leaves by 30% in advance, realizes the collapse of tobacco leaves, and the softening of branch veins, and then drops to 36°C. Pay attention to moisturizing and yellowing, and the dry-wet difference does not exceed 1°C , others are baked according to the conventional process. During the entire baking process, as long as the tobacco leaves wither and collapse and the branch veins become soft at the early stage of yellowing, and combined with moisturizing and yellowing, it will promote the transfer of moisture from the veins of the tobacco leaves to the mesophyll in advance, accelerate the softening of the veins, and make the leaves fully mature in the late stage of yellowing. Withering and collapse, the main veins become soft, so as to realize the partial water loss balance between the veins and the mesophyll, and avoid the moisture in the tobacco leaves being forced out as the temperature rises in the later stage of yellowing and early stage of color fixation, resulting in a large amount of ash-hanging smoke. The invention has strong operability, is scientific and practical, can obviously reduce hanging ash smoke, and significantly improve the quality of tobacco leaf curing.

Device, system and method of gaming. For example, a method of operating a game includes: based on a received pre-paid amount, assigning to a user a subscription period and a substantially unlimited amount of virtual game-related operations that the user is permitted to perform during the subscription period; virtually performing, during the subscription period, game-related operations in response to commands received from the user during the subscription period; after the subscription period elapses, calculating a profit-and-loss balance of the user based on the game-related operations virtually performed for the user during the subscription period; and if the profit-and-loss balance is positive, assigning to the user a prize calculated based on the profit- and-loss balance.