15results about How to "Ensure adequacy" patented technology

The embodiment of the invention relates to the technical field of system memory searching and killing, and discloses a memory searching and killing method and device of a terminal system, equipment and a storage medium. The method comprises the steps of determining a first target searching and killing application and searching and killing the first target searching and killing application according to a preset application memory threshold value of each to-be-searched and killed application in a to-be-searched and killed data set and an occupied memory of each to-be-searched and killed application in the terminal system in response to detecting that an available memory of a terminal system is lower than a preset available memory threshold value, according to the method, the abnormal applications occupying large memory can be searched and killed first, the problem that the available memory of the system is continuously reduced due to the fact that the applications which are high in priority and occupy large memory cannot be searched and killed is solved, and then if the available memory is still lower than a preset available memory threshold after searching and killing processing, the application priority information is determined based on the application priority information. And determining the second target searching and killing application and searching and killing the second target searching and killing application, thereby ensuring the performance and stability of system operation.

The invention discloses a super capacitor energy storage frequency modulation method and device, a medium and a program product, and belongs to the technical field of wind power generation. According to the super capacitor energy storage frequency modulation method provided by the invention, wind speed data are collected, an original wind speed sequence is established, the original wind speed sequence is divided into a first prediction set and a first verification set, and a reference error is predicted and calculated by using the first prediction set; performing position pseudo-random interchange on the subsequences in the first prediction set to generate a plurality of transformed wind speed sequences; dividing the transformed wind speed sequence into a second prediction set and a second verification set, and predicting and calculating a prediction error parameter by using the second prediction set; according to the method, the inherent rules and characteristics of the wind speed data can be fully utilized, the accuracy and reliability of wind speed prediction are improved through the position pseudo-random interchange technology, and more accurate data support is provided for grid-connected dispatching of a wind power plant.

The invention relates to the technical field of nonferrous metallurgy, in particular to a novel side-blowing feeding device and an intelligent control system and method. The device comprises a gas compressor, a safety valve, a pressure sensor, a mechanical sealing device, an electric control valve, an additive storage tank, a pulverized coal storage tank and a raw material storage tank. The system comprises a data acquisition module, an intelligent prediction module and an operation module. The method comprises the steps of collecting particles injected into a molten pool and spray gun gas flow and other data in real time; based on the collected data such as the particles injected into the molten pool and the air flow of the spray gun, the appropriate feeding amount and the appropriate air amount are given through numerical calculation; and according to data obtained through calculation, a gas compressor and discharging valves of all the stock bins are controlled to achieve precise gas supply and feeding. Particles and air are injected into the molten pool from the spray guns on the two sides of the side-blown smelting furnace at the same time in a pneumatic conveying mode, waste of the material particles is reduced, the material feeding amount and the air flow are reasonably predicted and accurately controlled, and efficient operation of the side-blown smelting furnace is achieved.

The utility model discloses water pump service life test equipment, which comprises a control cabinet, a carrying frame, two water guide mechanisms, a main water tank and a tooling plate, wherein the carrying frame is positioned on one side of the control cabinet; the two water guide mechanisms are distributed up and down; the water pump service life testing device is reasonable in structural design, the service life testing requirements of multiple groups of water pumps in batches can be met through a plurality of independently connected corresponding water pump station structures which are uniformly distributed on the two water guide mechanisms, the detection testing efficiency is high, meanwhile, the water flow guide circulation structure is adopted, and the liquid level sensor located in the main water tank is combined, so that the water pump service life testing efficiency is improved. The water pump testing water source sufficiency is guaranteed, the height of the two water guiding mechanisms connected with the lifting mechanism is adjusted through the lifting mechanism, flexible and convenient adjustment is facilitated according to the testing requirement of a to-be-tested product, and the practicability of the whole equipment is improved.

The invention discloses a fingerprint identification method and a fingerprint identification device. The fingerprint identification method comprises the following steps: receiving an input fingerprint image; m image blocks are obtained by dividing the input fingerprint image, and M is an integer larger than 1; calculating a score of each of the M image blocks by inputting the M image blocks into a neural network for fingerprint recognition; in response to the fact that the scores of N image blocks in the M image blocks have been calculated and the scores of the remaining image blocks except the N image blocks in the M image blocks have not been calculated, when the scores of the N image blocks meet a preset condition, stopping calculating the scores of the remaining image blocks, and identifying a fingerprint in the input fingerprint image as true or false, where N is an integer less than or equal to M.

The invention relates to the field of brake calipers, in particular to an electromagnet assembly, a brake device with the electromagnet assembly and a vehicle, the electromagnet assembly comprises a movable iron core, a magnet coil winding structure and / or a static iron core, and damping objects are arranged between the movable iron core and the magnet coil winding structure or / and between the static iron core and the movable iron core; the electromagnet assembly further comprises an oil storage mechanism used for supplementing damping objects. A damping object in the oil storage mechanism can enter an area between the movable iron core and the magnet coil winding structure or / and an area between the static iron core and the movable iron core; through the arrangement of the oil storage mechanism, a damping object in the oil storage mechanism can be slowly supplemented into an area between the movable iron core and the magnet coil winding structure or an area between the static iron core and the movable iron core; therefore, the sufficiency of damping objects between the movable iron core and the magnet coil winding structure or between the static iron core and the movable iron core is guaranteed, the noise reduction effect of the electromagnet assembly is guaranteed, and the service life of the electromagnet assembly is prolonged.

The invention relates to the field of reliability evaluation of power markets and power systems, in particular to a capacity demand curve calculation method based on reliability evaluation, which comprises the following steps: acquiring basic data of operation of a power system; the fluctuation condition of the system load and the operation condition of the generator set are obtained based on the basic data, and a Monte Carlo method is adopted to simulate the state of the generator set to obtain fault-free working time TTF and maintenance time TTR; according to the fault-free working time TTF and the maintenance time TTR, the total available capacity and the total load of the system in each time period are calculated, reliability indexes of the system under different installed capacities are obtained, and then a system prediction annual reliability curve is obtained. And carrying out differential processing on the system prediction annual reliability curve by adopting a reliability index LOLE to obtain an incremental reliability-installed capacity curve. And introducing an adjustment coefficient according to the obtained incremental reliability data to obtain a final capacity curve.

The invention relates to the technical field of compressed air energy storage, in particular to a primary frequency modulation quick response method and system of a compressed air energy storage system. Comprising a compressed air main storage area and a compressed air frequency modulation storage area, and a check valve is arranged between the two areas, so that compressed air can only flow from the main storage area to the frequency modulation storage area. An outlet of the main gas storage area is connected with a gas inlet control valve through a pipeline, and the gas inlet control valve is connected with a multi-stage expansion machine through a pipeline; and an outlet pipeline of the frequency modulation valve is connected to the rear end of the air inlet control valve. In the operation process, the opening degree of the frequency modulation valve is dynamically adjusted according to changes of the opening degree of the air inlet control valve and the air storage pressure, the compressed air energy storage unit responds to the adjustment requirement of primary frequency modulation, high-pressure compressed air in a compressed air frequency modulation and air storage area enters the adjusting valve by opening the frequency modulation valve, and the air inlet pressure of the compressed air energy storage unit is increased; the power capability of compressed air energy storage is improved, and the purpose of quickly responding to primary frequency modulation is achieved.

This invention belongs to the field of laser measurement technology and discloses a tool for detecting the internal diameter, roundness, and straightness of a cylinder. It includes an equidistant detection arm assembly, with an axis correction arm assembly surrounding the equidistant detection arm assembly and supporting it on the cylinder's internal axis. Three sets of detection disk assemblies are located at one end of the equidistant detection arm assembly. The correction disks of this invention drive multiple support arms to perform synchronous outward extension movements via the auxiliary arm. Multiple traveling wheels at the top of the support arms abut against the inner wall of the cylinder, forming an axis correction structure. In this way, when the equidistant detection arm assembly is in use, its axis coincides with the cylinder's axis, facilitating the acquisition of detection data during subsequent detection of the cylinder's internal diameter, roundness, and straightness. The detection disk assembly of this invention is equipped with a self-rotation protection module, which enables the laser rangefinder to spin into the brush arm for self-rotation cleaning and protection.

The invention discloses an automatic medicine selling system based on big data and artificial intelligence. The system comprises a medicine information management module which is used for recording basic information of each kind of medicine; the user management module is used for recording user medicine query information, order purchase information and order information; the order management module is used for recording the whole process from ordering to medicine taking of the user; the inventory management module is used for monitoring the inventory quantity and position of the medicines; the payment and settlement module is used for processing payment business of the user; the data analysis module is used for sales data analysis, customer behavior analysis, inventory analysis and prediction analysis; the artificial intelligence module is used for recommending personalized medicines to the user; the system management module is used for performing system configuration and permission setting on each module; the equipment management module is used for monitoring the running state of hardware equipment of the automatic medicine selling system; by introducing an artificial intelligence technology, automatic identification and quality detection of drugs are realized, and artificial errors are effectively avoided.

The invention discloses an undisturbed automatic exploratory well sampling robot which comprises an operation unit, the operation unit is connected with a lifting system and a robot body through cables, the lifting system comprises a first steel cable and a second steel cable, the lifting system is connected with a sample feeding mechanism through the second steel cable, and the lifting system is connected with the robot body through the first steel cable. The robot body comprises a supporting mechanism and a sampling mechanism, and the sampling mechanism is located in the supporting mechanism. The invention further discloses a sampling method of the robot. The lifting system is controlled to enable the robot body to descend, support and fix; the robot body is controlled to deflect, feed and sample, after sampling is finished, the lifting system descends and grabs the soil sample buckled by the robot body, and the lifting system sends the soil sample back to the exploratory well opening. The robot and the sampling method have the characteristics of stable support, sampling at multiple positions at the same depth, no disturbance to soil samples in the sampling process, and high sampling and sample sending parallel operation efficiency.

The utility model discloses a sampling device for medicine analysis, which comprises a sampling box and further comprises a sampling assembly arranged in the sampling box and used for sampling liquid medicine, the sampling assembly comprises an arc-shaped plate fixedly connected to the inner wall of the sampling box, and two ends of the arc-shaped plate are fixedly connected with U-shaped plates. Sampling pipes are arranged in the arc-shaped plate and the two U-shaped plates, and the sampling box is provided with an extrusion assembly for extruding the sampling pipes in a reciprocating manner. According to the sampling device for medicine analysis, through the arrangement of the sampling assembly, under the matching action of the extrusion assembly, the connecting assembly and the telescopic assembly, liquid medicine is sampled, meanwhile, the sufficiency of the sampling amount of samples is guaranteed, and the sampling efficiency of large-dose samples is improved; therefore, the working efficiency of fluid medicine sampling is improved.

The application provides a power balance determination method and device for an energy storage system, which comprises the following steps: determining the initial allocation power of each energy storage unit in the energy storage system according to a power initial allocation rule determined based on the size relationship between the target total power and the corresponding maximum allowed total power of the energy storage system; wherein the initial allocation power of the energy storage unit is the maximum allowed power of the energy storage unit or the consistency expected power calculated by considering the operating state parameters of each energy storage unit; when the initial allocation power is the consistency expected power, classifying each energy storage unit in the energy storage system to divide into over-limit energy storage units and surplus energy storage units; and performing power reallocation according to the power excess of the over-limit energy storage units and the receivable capacity of the surplus energy storage units to determine the target working power of each energy storage unit. In this way, the application realizes power balance control by pre-classifying over-limit and surplus storage units and completing global reallocation at one time.

The invention discloses a control method and system of a water electrolysis hydrogen production system, electronic equipment and a storage medium, and belongs to the technical field of hydrogen production. The method comprises the following steps: determining the lowest water flow total demand quantity of an electrolysis system in the water electrolysis hydrogen production system and the flow of a standby pump; the configuration number of the standby pumps is determined according to the minimum water flow total demand quantity of the electrolysis system and the flow of the standby pumps; the starting number of standby pumps is determined according to the actual operation condition of a main pump of the water electrolysis hydrogen production system; and control strategies of the main pump and the standby pumps are determined according to the number and flow of the started standby pumps. According to the method, sufficient water replenishing flow can be ensured, and the problem that the electrolysis system is interlocked and shut down or the service life of the electrolysis system is shortened when the water flow is insufficient is solved. Reliable, efficient and stable operation of the water electrolysis hydrogen production process can be achieved.