27results about How to "Improve system efficiency" patented technology

Embodiments of the present disclosure disclose a method and device for scheduling vehicle charging. The specific implementation of the method comprises: in response to detecting that the number of idle vehicles is greater than a predetermined number, obtaining the current power and average task interval time of each idle vehicle; calculating the non-charging cost of each idle vehicle based on the current power of each idle vehicle; calculating the charging cost of each idle vehicle based on the current power and average task interval time of each idle vehicle; calculating the total cost of each idle vehicle based on the non-charging cost and charging cost of each idle vehicle; and sending a charging instruction to the predetermined number of idle vehicles with the highest total cost. This implementation considers the number of tasks and power to determine the priority of idle vehicles, thereby reducing the charging time of vehicles and improving system efficiency without interfering with business.

The utility model discloses a kind of heat management system and air conditioner, it is related to air conditioner technical field, wherein, heat management system includes integrated valve island, heat exchanger assembly and temperature sensing module;Integrated valve island includes valve island ontology and first throttling device, multiple flow passages are equipped in the valve island ontology, and the first throttling device is integrated on the flow passage;Heat exchanger assembly includes plate heat exchanger, and the plate heat exchanger is equipped with the first refrigerant inlet and outlet and first refrigerant inlet communicating the flow passage;Temperature sensing module is at least partially placed in the flow passage, to carry out temperature detection to the refrigerant flowing through the temperature sensing module;The technical scheme provided by the utility model can realize accurate temperature measurement.

This invention discloses a design method for parallel current sharing of BOOST multiphase interleaved silicon carbide single transistors. It identifies key parasitic parameters by building a dual-pulse simulation platform, completes device layout in conjunction with the overall system structure, uses PCB symmetry and copper layer stacking to control parasitic parameter consistency, and forms a design closed loop through dual-pulse and steady-state thermal testing. This effectively solves the problem of poor current sharing in parallel silicon carbide single transistors. Furthermore, this method ensures balanced current distribution during switching transients and conduction steady states, eliminates current sharing failures caused by parasitic parameter mismatch, fully utilizes the performance of silicon carbide single transistors without requiring amplification device margins, flexibly adapts to the overall system layout, improves space utilization, optimizes system efficiency, reduces design costs and redundancy, and achieves a reliable, efficient, and highly adaptable design for parallel current sharing of BOOST multiphase interleaved silicon carbide single transistors.

This application discloses a teach-free weld seam positioning method, apparatus, equipment, storage medium, and program product for industrial robots, relating to the field of automation technology. The teach-free weld seam positioning method for industrial robots includes: scanning a preset welding trajectory using a line laser to obtain the line laser scanning trajectory of the preset welding trajectory in the line laser tool coordinate system; transforming the line laser scanning trajectory to determine the tool center point pose of the welding torch end-effector trajectory in the welding torch end-effector coordinate system; and determining the welding point pose of the welding torch based on the tool center point pose. Since the line laser scanning trajectory obtained by scanning the preset welding trajectory using a line laser emitter is recorded, the actual welding torch end-effector trajectory is simulated; by converting the line laser scanning trajectory into the welding torch end-effector tool center point in the welding torch end-effector coordinate system, resource consumption caused by frequent coordinate transformations during welding is avoided, improving system efficiency and stability.

This invention provides a drive control circuit and its operating method, a drive control chip, and a step-down system. The drive control circuit includes: a feedback compensation module for generating a compensation voltage based on a received feedback voltage; a voltage regulation module connected to the feedback compensation module for generating a sawtooth wave voltage through capacitor charging and discharging, and setting a constant discharge current when the compensation voltage is greater than or equal to a preset voltage, and reducing the discharge current based on the compensation voltage when the compensation voltage is less than the preset voltage; and a switch drive module connected to the feedback compensation module and the voltage regulation module for generating a first drive signal based on a comparison between the sawtooth wave voltage and the compensation voltage when the compensation voltage is greater than or equal to the preset voltage, and generating the first drive signal based on a comparison between the sawtooth wave voltage and the preset voltage when the compensation voltage is less than the preset voltage. This invention solves the problem of excessively large output ripple in existing technologies.

The utility model belongs to the technical field of thermal power equipment, and relates to a high-efficiency combined preheater system of a thermal power plant boiler, which comprises a tubular air preheater arranged at the tail part of the boiler and used for heating primary air and a rotary air preheater used for heating secondary air, flue gas inlets of the tubular air preheater and the rotary air preheater are connected with a flue outlet of the denitration system, flue gas outlets of the tubular air preheater and the rotary air preheater are connected with the dust remover, and a water supply heat exchanger is further arranged between the flue gas inlet of the tubular air preheater and the flue outlet of the denitration system. The rotary preheater can further improve the operation efficiency of a coal power plant, solves the problems of high air leakage, loss and catalyst blockage of a traditional rotary preheater, has the advantages of energy conservation, economy and reliability, and meets the technical requirements of efficient and clean operation of a thermal power plant.

This invention discloses a collaborative scheduling method between an edge-side embodied cerebellum and a cloud-based brain based on task characteristics. The method includes: acquiring task characteristic information of a task to be executed, wherein the task characteristic information includes at least the task's real-time requirements, computational complexity, and accuracy requirements; combining the action execution capability and execution latency threshold of the edge-side embodied cerebellum to generate a task scheduling decision, allocating the task to either the edge-side embodied cerebellum or the cloud-based brain for execution; the edge-side embodied cerebellum collecting task execution status information during task execution and sending the task execution status information to the cloud-based brain; and the cloud-based brain updating the scheduling strategy for subsequent tasks based on the task execution status information, thereby achieving closed-loop collaborative scheduling between the edge and the cloud. This invention can dynamically adjust the task execution position according to task characteristics, improve task execution efficiency, reduce overall system latency, and is suitable for collaborative scheduling applications in multiple tasks and scenarios.

This invention relates to a lock-free I / O scheduling method, apparatus, and storage medium for cloud PCs. Responding to a client session request initiated by a client, the method controls a metadata coordinator to allocate storage nodes to the client and, within those storage nodes, allocates I / O shards for the client, obtaining allocation information. The metadata coordinator then returns the allocation information to the client, and the client caches this allocation information to facilitate the use of the allocation information to fulfill I / O requests. Each I / O shard includes an I / O thread bound to a first CPU core, a data plane development toolset driver, a storage performance development toolset driver, a first lock-free circular buffer, and a second lock-free circular buffer. By binding the CPU core and using lock-free circular buffers, thread switching, lock contention, and most memory copying are eliminated, reducing I / O processing latency from milliseconds to hundreds of microseconds and significantly reducing latency jitter.

The utility model relates to a simple two-way current sharing circuit, which comprises a first power supply module, a second power supply module and a shared feedback module, and is characterized in that the power supply output end of the first power supply module and the power supply output end of the second power supply module are combined into a power supply node; the power supply node is connected with a power supply signal input end of the sharing feedback module, a first feedback signal output end of the sharing feedback module is connected with a feedback signal input end of the first power supply module, and a second feedback signal output end of the sharing feedback module is connected with a feedback signal input end of the second power supply module. The sharing feedback module is used for generating a first feedback signal and a second feedback signal, and the precision deviation of the first feedback signal and the second feedback signal is kept in the same numerical range, so that the voltage difference between the power supply modules is effectively reduced, the purpose of current sharing is achieved, and the stability and reliability of the power supply system are improved.

The present application relates to the technical field of light storage hybrid power generation control, and particularly to a multi-port light storage hybrid power generation modulation method and system based on current ripple suppression. The method comprises obtaining grid-side voltage and current data; determining a space vector sector according to a reference voltage vector of the grid-side voltage and current data; constructing a clamping sequence based on a reference sector of the space vector sector; establishing a current ripple model according to the clamping sequence and selecting a minimum ripple clamping sequence; deriving a double modulation wave of the minimum ripple clamping sequence based on a volt-second balance; and performing carrier comparison and driving output based on the double modulation wave. The present application systematically gives all clamping switch sequences and determines the influence type of the clamping switch sequences on system power, so that dynamic power regulation among photovoltaic units, energy storage units and loads of a multi-port light storage hybrid power generation system can be realized on the basis of reducing switch loss and improving system efficiency.

The invention relates to a battery device, in particular for a motor vehicle or for a battery storage in a building. The battery device has a core structure (10) and at least one battery cell (14), which core structure forms at least one battery cell receiving space (12) and a cooling channel (16) extending in a flow plane. Here, the cooling channel (16) is formed for a cooling fluid to flow through in the flow plane and the at least one battery cell (14) is arranged in the battery cell receiving space (12). The core structure (10) forms a longitudinal profile with a constant cross section, wherein the longitudinal profile extends transversely to the flow plane. Furthermore, the invention relates to a manufacturing method for producing a battery device.

This invention discloses an air separation system and method for co-producing hydrogen, belonging to the field of air separation and hydrogen production technology. It includes four oxygen-permeable membrane reactors and two condensers. The oxygen-producing outlet of the fourth oxygen-permeable membrane reactor (R4) is connected to the second condenser (C2), which has a condensate drain outlet and an oxygen outlet. The nitrogen-producing inlet of the third oxygen-permeable membrane reactor (R3) is connected to the air-producing outlet of the fourth oxygen-permeable membrane reactor (R4). The fuel-producing inlet of the second oxygen-permeable membrane reactor (R2) is connected to the fuel-producing outlet of the third oxygen-permeable membrane reactor (R3). The fuel-producing inlet of the first oxygen-permeable membrane reactor (R1) is connected to both the fuel-producing outlet and the hydrogen-producing outlet of the second oxygen-permeable membrane reactor (R2), and the hydrogen-producing outlet of the first oxygen-permeable membrane reactor (R1) is connected to the first condenser (C1), which has a condensate drain outlet and a hydrogen outlet. This invention simultaneously produces hydrogen, oxygen, and nitrogen through a reasonable process arrangement. The method is simple, efficient, and highly economical and practical.

This invention discloses a quasi-single-stage three-phase pulse power supply and its control method. The quasi-single-stage three-phase pulse power supply includes a three-phase T-type three-level rectifier and a synchronous rectifier converter. By injecting a zero-sequence component into the three-phase modulation wave, the power transferred from the T-type three-level rectifier to the low-voltage port is adjusted. Part of the energy is directly transferred to the load by the T-type three-level rectifier, achieving maximum power single-stage transmission and improving energy transmission efficiency. Furthermore, the wide-range fluctuation of the capacitors at the high-voltage and low-voltage output terminals of the T-type three-level rectifier compensates for the instantaneous power difference between input and output, suppressing the impact of pulse power on the AC power grid. Simultaneously, the synchronous rectifier converter compensates for voltage fluctuations at the low-voltage output terminal capacitor, providing a stable voltage to the pulse load. This invention achieves input-output power decoupling, suppresses the impact of pulse loads on the AC power grid, and improves energy transmission efficiency by maximizing power single-stage transmission, making it suitable for applications with pulse loads.

The application discloses a compressed air energy storage power station vertical shaft and spherical tank combined heat storage constant pressure system and method, and belongs to the technical field of compressed air energy storage, wherein the system comprises a heat storage and heat exchange unit, a vertical shaft cold storage unit, a nitrogen temperature control and constant pressure unit and a nitrogen supplement unit; the method is realized based on the system and comprises energy storage, energy release, constant pressure stabilization and nitrogen supplement steps. The application stores low-temperature water in an artificial underground chamber vertical shaft, replaces traditional cold water spherical tanks, reduces the number of spherical tanks, reduces the design pressure of the spherical tanks through nitrogen temperature control and regulation, breaks through the heat storage temperature improvement bottleneck, can significantly improve the efficiency of the energy storage power station, reduces the initial investment and operation cost of the system, reduces pressure fluctuation and prolongs the service life of equipment.

This invention discloses a DC-DC converter and control method based on coupled inductors, comprising a capacitor connected in parallel across the low-voltage side; the capacitor is also connected in parallel across the high-voltage side; the coupled inductor module includes a first winding and a second winding mounted on the same magnetic core, one end of the first winding being connected to the midpoint of a first switch and a second switch, and one end of the second winding being connected to the midpoint of a third switch and a fourth switch; the other ends of the first winding and the second winding are connected to form a common connection point, which is connected to a reference potential terminal on the high-voltage side; the high-voltage side transmits electrical energy to the high-voltage side through the first bridge arm, the second bridge arm, and the coupled inductor module; this invention winds two inductors on the same magnetic core to form mutual inductance, replacing two independent filter inductors or energy storage inductors in traditional circuits with coupled inductors, significantly reducing the size and weight of magnetic devices and increasing power density.

The invention relates to the field of compressed air energy storage, in particular to a compressed air energy storage compressor anti-surge intermediate-stage deflation recovery system and method. The system comprises a compressor unit, a compressor heat exchanger, an exhaust valve and a gas storage which are sequentially arranged on a main gas pipeline; the second communicating valve, the recycling gas tank, the first communicating valve, the sealing gas tank and the sealing gas valve are sequentially arranged on the auxiliary gas path; a recovery gas pipeline is arranged between the recovery gas tank and the compressor unit, and a surge deflation valve is arranged on the recovery gas pipeline; the sealing gas tank is used for storing a gas source of sealing gas and instrument power gas, and is used for dry gas sealing, an instrument, a valve and an executing mechanism when the compressor unit operates; and the recovery gas tank is used for recovering and storing the discharged gas of the compressor unit when the compressor unit operates under the non-design working condition and is used for preventing surge. According to the invention, the recovery gas tank is arranged to independently recover and utilize the deflation gas of the anti-surge intermediate stage of the compressor, so that the defects of conventional measures are avoided.

This invention provides a secure payment method and system. By compressing and storing the blockchain in compressed blocks of a compressed chain using addresses, the system efficiency is improved through the compressed chain approach. The leaf blocks point to the parent hash of the compressed block. After each payment, the total payment amount in the leaf block is updated, and the block hash in the compressed block is updated. During authentication, the total payment amount information in the leaf block is directly accessed. Due to the short length and small byte size of the compressed chain, access speed is fast. This invention solves the performance and trust issues of slow authentication speed after blockchain data increments. This invention achieves a decentralized transaction, payment, and authentication method, ensuring transaction reliability and traceability, improving computational efficiency and reliability, and saving computation time.

The invention relates to the technical field of communication, in particular to a deterministic communication method and related equipment for an ultra-short-distance shared medium network, and the method comprises the following steps: acquiring communication parameters of the ultra-short-distance full-duplex shared medium network, and sending a control message to each slave node by a master node through a downlink communication channel, indicating a response mode of each slave node in the uplink communication channel, wherein the response mode comprises at least one of an immediate response mode, an on-time punctuality response mode, a periodic response mode and a multi-period array command mode; the slave node sends a response message to the master node through an uplink communication channel in the corresponding exclusive communication window or the shared competition communication window according to the response mode and the communication parameter; in the communication process, the master node dynamically updates communication parameters according to a network state, and issues an updated communication bandwidth map to the slave nodes in an incremental mode; according to the invention, deterministic communication can be realized in the ultra-short-distance shared medium network, the communication real-time performance is improved, and the load of the main node is reduced.

This application provides a hardware device and method for memory management based on address monitoring. The CPU encapsulates the preset storage address of the pre-received data or the storage address of the already stored data in memory, along with other data information, into a descriptor, and stores the descriptor in memory via the system bus. The system bus can monitor and record the write address signals of the descriptors in memory. The DMA controller can monitor the write address signals of the descriptors recorded on the system bus, determine the number of descriptors based on the monitored write address signals, and update the number of descriptors in the register set. The processing module can retrieve the corresponding descriptor from memory based on the updated number of descriptors and perform data writing or data reading based on the descriptor. In this scheme, the DMA controller can monitor the write address of the memory descriptors through the system bus to know the accurate allocation of descriptors, ensuring that the descriptors have been allocated before updating the register set and triggering the descriptor retrieval operation.

The application discloses a transformer magnetic integration structure integrating double direct-current inductors and leakage inductors and an integration method thereof. In order to overcome the problems of complex magnetic core structure design, large leakage magnetic flux and lack of universality of the integration method in the prior art, the application uses a single standard EE magnetic core to realize integration of double direct-current inductors, leakage inductors and transformers by reasonably designing winding connection mode and air gap parameters for the transformer with three magnetic element structures of direct-current inductor, leakage inductor and transformer. Compared with separate magnetic components, the application can reduce the number of magnetic elements of the transformer, reduce the volume proportion of the magnetic components in the transformer, further reduce the volume of the transformer system, improve the power density, simplify the magnetic core design, reduce the manufacturing complexity of the magnetic integration structure, suppress the unbalanced current of the two side column windings, realize high-efficiency and high-power-density operation of the system, and improve the stability and reliability of the system operation.

The present disclosure relates to a multi-actuator cooperative optimization vehicle thermal management system, belonging to the technical field of vehicle thermal management, comprising a WPTC loop, a three-way valve, a cabin loop and a heater water pump, the WPTC loop is the core heat source of the system, and a single WPTC heater is adopted; the WPTC loop comprises a three-way valve arranged at the water inlet end of the WPTC loop, and a PWM control mode is adopted; the WPTC loop, the three-way valve and the heater water pump form a flow cooperative control link, and by adjusting the opening degree of the three-way valve, the system can dynamically and accurately distribute the flow of the heated coolant to the battery loop and the cabin loop, meet the differentiated requirements of battery temperature management and cabin heating under different working conditions, and optimize the system efficiency.

This utility model relates to the field of aeration blower airflow regulation equipment, and discloses an airflow regulation mechanism for an aeration blower, including a centrifugal blower. A support base is fixedly connected to the bottom of the centrifugal blower. An air inlet pipe is fixedly connected to the input end of the centrifugal blower, and an air outlet pipe is fixedly connected to the output end of the centrifugal blower. An outer frame is fixedly connected to the inside of the right end of the air outlet pipe, and support plates are fixedly connected to the front and rear side walls of the outer frame. This utility model, through its outer frame, first bearing, and first support rod, can solve problems such as insufficient or excessive airflow, airflow fluctuations or instability, increased system costs, and inability to flexibly cope with different operating conditions. The first baffle on the first rotating rod also rotates under the action of the first push rod and the first support rod, thereby effectively reducing airflow fluctuations, ensuring system stability, improving aeration effect, reducing energy consumption, and improving system efficiency.

This invention relates to the field of oil well intermittent control technology, and particularly to an intermittent control method based on edge computing. The steps are as follows: S101: Set the oil well information transmission path and generate basic oil well analysis data; S102: Perform edge computing through the wellhead RTU based on the basic data to complete information extraction and analysis, generating single-well production, daily power consumption, dynamic fluid level, and system efficiency; S103: Set parameter constraints online; S104: Perform online discrimination based on the parameter constraints and correct the operating cycle T, start-up time RT, and shutdown time ST; S105: Automatically set the optimal operating cycle T, start-up time RT, and shutdown time ST on each wellhead RTU; S106: After setting the optimal operating cycle T, start-up time RT, and shutdown time ST, automatically display the data in tables and experimental data curves. This invention improves the safety, reliability, and stability of intelligent intermittent oil well operation, significantly increases mechanical production efficiency, and reduces costs.

This utility model belongs to the field of coal chemical wastewater pretreatment technology, and discloses a resource substance recovery system for coal chemical wastewater, including an adsorption separation system, an adsorption material regeneration system, and a recovery and regeneration system. The adsorption separation system is used to adsorb and separate resource substances in the wastewater to be treated using adsorption materials. The resource substances in the wastewater to be treated include oils and phenols. The adsorption material regeneration system is used to regenerate the adsorption material using a regeneration solution. The recovery and regeneration system is used to regenerate the regeneration solution and separate and recover the adsorbed resource substances. This utility model achieves efficient separation of oils and phenols by filling the adsorption separation device with adsorption material. The adsorption material regeneration system provides a regeneration solution to the adsorption separation device to achieve elution and regeneration of the adsorption material, thereby realizing the recycling of the adsorption material and effectively reducing the recycling and treatment cost.

This application provides a high-voltage DC power supply assembly, relating to the field of electronic technology, comprising: a reverse connection and backflow prevention module for connecting the power supply circuit when on and blocking backflow current from the energy storage module to the input terminal of the power supply assembly when off, and being in a off state when the input terminal of the power supply assembly is reverse connected; an energy storage module for providing energy to downstream loads when the power supply assembly is powered off; a reverse current detection module for real-time monitoring of whether there is reverse current flowing from the energy storage module to the positive bus, and generating a detection signal characterizing the reverse current state; and a control module for outputting a control signal to turn off the reverse connection and backflow prevention modules within a preset time when current backflow is detected based on the detection signal. Implementing the technical solution of this application achieves the effect of improving system reliability.

The compressed air energy storage system capacity envelope evaluation and life constraint dynamic control method aims to solve the problem of lack of unified state description, capacity boundary quantification and health constraint collaborative control in existing systems. The method collects multi-source operation data to build a unified energy storage state vector containing the state of charge and health index of the gas side. Based on the vector, the charging and discharging power capacity is calculated, and the relationship between the capacity envelope and the power duration in the prediction window is established. The external power instruction is projected to the feasible region to determine the charging, discharging or standby mode. Then the cascade combination and dynamic sliding pressure interval of the unit are dynamically determined to realize collaborative control. Through health cost evaluation, the operation scheme is corrected, and the health index and control parameters are updated adaptively to form a closed loop. The invention improves the system power response accuracy and operation stability, prolongs the life cycle of the equipment, reduces the operation and maintenance cost, provides a standardized capacity interface, helps renewable energy consumption, and has significant technical, economic and social benefits.