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148results about How to "Increase control flexibility" patented technology

Intelligent optimization control method and platform under variable load operation of coal-fired power plant

The invention provides an intelligent optimization control method and platform under variable load operation of a coal-fired power plant, and relates to the technical field of intelligent optimization control, and the method comprises the steps: calling historical operation data, carrying out the load trend change analysis, and completing the construction of a control analysis module; analyzing and outputting instantaneous PID control parameters according to the real-time load data; after the instantaneous PID control parameters are switched to, a flue gas emission acquisition module is activated; real-time flue gas emission parameters are obtained; performing denitration control optimization to obtain a real-time PID control parameter, and switching to the real-time PID control parameter; presetting a flue gas emission window, dynamically updating real-time flue gas emission parameters, dynamically updating real-time PID (Proportion Integration Differentiation) control parameters and performing seamless switching control on an SCR (Selective Catalytic Reduction) system. The control method solves the technical problem that when a control method in the prior art is used for dealing with an SCR system, efficient control is difficult to achieve under the dynamically-changing load condition, and then the denitration effect and the system stability are affected.
Owner:XINJIANG INST OF ENG

Packaging equipment for self-curing packaging material

The utility model discloses packaging equipment for self-curing packaging materials, which comprises a feeding device, a bag receiving device and a material transferring device, and the feeding device can convey the self-curing packaging materials to be packaged; the bag receiving device is provided with a bag receiving mechanism capable of receiving packaging bags and a bag opening mechanism connected with the bag receiving mechanism and capable of opening bag openings of the packaging bags. The material transferring device is provided with a plurality of material transferring mechanisms and a main driving mechanism connected with the material transferring mechanisms, and the main driving mechanism can drive the material transferring mechanisms to move to the discharging side of the feeding device one by one so as to bear the self-curing packing materials conveyed by the feeding device. The main driving mechanism can further drive the transfer material mechanisms bearing the self-curing packing materials to move to the feeding side of the bag receiving mechanism one by one so as to feed the self-curing packing materials into the packing bags. The packaging equipment is novel, reasonable and simple in structure, high in automation degree, easy to control and good in control flexibility, the production efficiency can be greatly improved, and the labor intensity and the labor cost can be reduced.
Owner:KUNSHAN NUOTAPE CO LTD

Robot online control system and method based on augmented reality technology

The invention relates to a robot online control system and method based on an augmented reality technology. The system comprises an augmented reality interaction terminal, a robot system and a data server. The augmented reality interaction end comprises a virtual-real fusion registration module, a gesture recognition module, a visualization module, a network communication module, an inverse kinematics calculation module and a collision detection module; the robot system comprises an entity robot, a robot controller, a robot upper computer and a network communication module. According to the robot control method for augmented reality interaction and digital twinning, the digital twinning robot is presented on the basis of augmented reality glasses, the gesture posture of an operator is obtained in real time, and a user can control the robot in the mode of grabbing the joint axis position of the digital twinning robot through gestures or clicking virtual keys. According to the invention, online control of the robot can be rapidly and visually realized, the robot can be rapidly and flexibly moved to a target pose, and the efficiency and safety of online control of the robot are improved.
Owner:SHANGHAI SPACE PRECISION MACHINERY RES INST

Steer-by-wire system self-adaptive steering angle tracking strategy based on high-order all-drive theory

The invention discloses a steer-by-wire system self-adaptive steering angle tracking strategy based on a high-order all-drive theory, which comprises the following steps of: 1, establishing a kinetic model of a steer-by-wire system according to the steer-by-wire system of a passenger vehicle, and determining a state variable and a control variable; 2, designing an extended disturbance observer according to the kinetic model established in the step 1, and observing the internal and external uncertainty and disturbance of the system, and compensating the uncertainty and disturbance to a controller; 3, converting the steering-by-wire system dynamics model in the step 1 into an all-wheel-drive system model, and designing a self-adaptive high-order all-wheel-drive controller; and 4, verifying the stability of the high-order all-wheel-drive controller designed in the step 3 according to a Lyapunov stability method. According to the method, uncertainty interferences inside and outside the system are considered in the built steer-by-wire system model, the interferences are lumped, the extended disturbance observer is used for observation and compensation to the controller, and the accuracy and robustness of the control system are improved.
Owner:BEIJING YINGCHUANG HUIZHI AUTOMOTIVE TECH CO LTD

Automatic door anti-pinch control method and device based on artificial intelligence and storage medium

The invention relates to an automatic door anti-pinch control method and device based on artificial intelligence and a storage medium, and the method comprises the steps: obtaining original image data through an image collection device disposed at a specific position of an automatic door, and carrying out the region extraction of the original image data, and obtaining corresponding real-time image data; inputting the real-time image data into a preset artificial intelligence deep neural network model for target detection to obtain a target recognition result; performing operation area division based on the target identification result to obtain corresponding multi-level protection areas; performing automatic door trigger parameter setting based on the multi-stage protection area to obtain a corresponding area trigger parameter; performing gating judgment on the target recognition result according to the region triggering parameters and the multi-stage protection region, and executing a preset gating action to obtain a corresponding execution result; and adjusting the regional triggering parameters in real time based on the execution result to obtain corresponding system parameters. Intelligent control over the automatic door can be achieved.
Owner:SHENZHEN WINFOR CANBO TECH CO LTD

System and method for characterizing radiation dose distribution in radiotherapy treatment plan

A method for a system for characterizing a radiation dose distribution in a radiotherapy treatment plan is disclosed. The radiotherapy treatment plan is used to treat an anatomical structure with a radiotherapy device. The system includes a processor and a user interface. The processor is configured to: receive data obtained from a radiation simulation at the anatomical structure under a nominal condition and one or more artificially applied uncertainty conditions; generating a plurality of dose distributions including dose-volume histograms (DVHs) using the received data, each DVH representing a tissue volume of the anatomical structure receiving a respective radiation dose, the DVHs including a nominal DVH corresponding to a nominal condition, and one or more uncertain DVHs corresponding to one or more artificially applied uncertain conditions; and determining a dose distribution characteristic based on statistical characteristics of the generated DVH. The user interface is configured to display the determined dose distribution characteristic to a user.
Owner:ELEKTA SHANGHAI TECH CO LTD

Multifunctional mining waterproof and fireproof door hydraulic equipment

The invention discloses multifunctional mining waterproof and fireproof door hydraulic equipment which comprises a hydraulic oil tank. The bottom side of the hydraulic oil tank is connected with an oil outlet valve, and a liquid level meter is fixedly installed on one side of the hydraulic oil tank. When one of the first motor and the second motor breaks down, oil can be continuously supplied to the system by switching to the other motor, power is provided for opening, closing and sliding of a gate, a ditch door and a movable sliding rail under a mine, an energy accumulator can be connected to an oil way of equipment, hydraulic oil is injected into the energy accumulator, and the energy accumulator is connected with the other motor. If the energy accumulator leaks oil in the placing process, the pressure sensor can sense and start the motors to fill hydraulic oil into the energy accumulator, and when the first motor and the second motor both break down, the electromagnetic valve of the energy accumulator can be opened to supply oil to the hydraulic station, so that the pressure of the hydraulic station is kept constant; and through cooperative use of the manual reversing valve and the oil way electromagnetic valve, the control flexibility of the hydraulic station can be improved, and the hydraulic station can adapt to wider working scenes and requirements.
Owner:HESHENGXIANG HYDRAULIC TECH (WUHAN) CO LTD

Double-mechanical-arm control method, system and equipment based on IROS and medium

The invention discloses an IROS-based double-mechanical-arm control method, system and device and a medium, and the method comprises the following steps: operating a first node and a second node based on an IROS environment; performing multi-mechanical-arm control and multi-mechanical-arm information interaction based on the first node and the second node; establishing a first coordinate system and a second coordinate system about the two mechanical arms; calculating a coordinate system conversion relation based on the first coordinate system and the second coordinate system; according to the coordinate system conversion relation or the first node and the second node, double-mechanical-arm movement track planning is conducted; cooperative movement of the double mechanical arms can be achieved through the IROS system; according to the method, firstly, the conversion formula of the corresponding mechanical arm is obtained through the conversion relation of all coordinate systems, secondly, the IROS is used for controlling the mechanical arm to rapidly and accurately reach the designated pose, cooperation of the double mechanical arms is achieved, and the control flexibility and applicability of the double mechanical arms are improved.
Owner:INSPUR FINANCIAL INFORMATION TECHNOLOGY CO LTD

Rice color sorter

The utility model relates to the technical field of rice color sorting, and discloses a rice color sorter which comprises a support, a conveying table is fixedly connected to the top of the support, a color sorting device is fixedly connected to one end of the conveying table, a material passing box is fixedly connected to the other end of the conveying table, and a supporting plate is fixedly connected to one side of the material passing box. The top of the supporting plate is fixedly connected with an air cylinder, the output end of the air cylinder is fixedly connected with a telescopic rod, and the bottom end of the telescopic rod penetrates through the supporting plate and is fixedly connected with a control frame. Compared with the prior art, the automatic feeding device has the advantages that workers are in a stacking state when materials are fed to the conveying table through the material passing box, the air cylinder is started to control the telescopic rod to drive the control frame to slide and press downwards on the inner wall of the sliding groove to adjust the height, the stroking brush on the control frame smooths the materials, color sorting equipment can conveniently conduct color sorting on the materials, the whole device is convenient to adjust, and the working efficiency is improved. The working efficiency of the whole device is improved, and labor cost and working time are saved.
Owner:湖北润泽湘楚农业科技发展有限公司

Application program interface management and control method and device, computing equipment and readable storage medium

The embodiment of the invention provides an application program interface management and control method and device, computing equipment and a readable storage medium, the method is applied to a management and control module of an application program interface API gateway, the API gateway is connected with terminal equipment and a back-end server, the back-end server comprises an API corresponding to an application program installed in the terminal equipment, and the API gateway is connected with the terminal equipment and the back-end server. Comprising the following steps: receiving configuration information of an API (Application Program Interface) corresponding to a target application program in the back-end server; based on the configuration information, an API management and control rule for the target application program is sent to the API gateway; and controlling the API gateway to manage and control an API corresponding to the target application program based on the API management and control rule. According to the method, the management and control mode of the API in the server can be simplified, and the management and control flexibility of the API is improved.
Owner:国泰财产保险有限责任公司

Relay control circuit, control method and inverter system

The invention discloses a relay control circuit, a control method and an inverter system, and belongs to the field of inverter systems. The relay control circuit comprises at least one voltage sampling module; the at least one switch module is connected with the at least one series-connected relay in a one-to-one correspondence manner; the control module is connected with the switch module and is used for controlling the switch module to switch on when the remaining relays except the first target relay in the at least one series-connected relays are all closed and the actual voltage at the two ends of the first target relay is smaller than a target threshold value; controlling the first target relay to be closed through a switch module corresponding to the first target relay; the first target relay is the last relay close to one side of the power grid. According to the relay control circuit, the impact current in the loop can be reduced, the main contact of the relay and components in the loop are protected, the service life of an inverter system is prolonged, and the reliability of the inverter system is improved.
Owner:SHANGHAI SIGEYUAN INTELLIGENT TECH CO LTD

Active air inlet grille and vehicle

The invention discloses an active air-inlet grille and a vehicle, and the active air-inlet grille comprises a frame, an air inlet, an air outlet and an air outlet, the adjusting assembly is arranged at the air inlet and used for adjusting the air inlet amount at the air inlet; the driving part is arranged on the frame, and the driving part is connected with the adjusting assembly; wherein the adjusting assembly comprises an adjusting connecting rod and an adjusting swing arm, and the adjusting swing arm is connected between the adjusting connecting rod and the driving part so as to drive the adjusting connecting rod to move in the Z direction. According to the active air inlet grille, the adjusting connecting rods and the adjusting swing arms are arranged and connected with the driving piece and the blades, so that a linkage structure is formed, rotation of the blades is achieved, the opening state of the blades can be adjusted according to the requirements of an automobile under different working conditions, the effect of optimizing engine performance is achieved, and the multi-connecting-rod structure plays a role in unloading force; and the tooth breaking phenomenon of the motor is prevented.
Owner:GUANGZHOU AUTOMOBILE GROUP CO LTD

Equipment grouping methods, devices, electronic equipment and storage media

This disclosure relates to a device grouping method, apparatus, electronic device, and storage medium. The method includes obtaining at least one first received signal strength corresponding to at least one device; performing clustering processing on at least one device based on the at least one first received signal strength corresponding to at least one device to obtain a first clustering result; dividing at least one device into at least one spatial group based on the first clustering result; and grouping the devices in each spatial group according to device type to obtain at least one device type group corresponding to each spatial group. This method allows for grouping devices based on the space in which they are located, enabling unified control of devices within the same space, greatly improving device control efficiency and flexibility, and thus enhancing the device control experience.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD

Temperature-sensing frequency conversion control method and system for flexible production fan of aluminum-silicon alloy electrolytic cell

The invention provides a fan temperature-sensing frequency conversion control method and system for flexible production of an aluminum-silicon alloy electrolytic cell. The fan temperature-sensing frequency conversion control method comprises the steps that preset control parameters related to flexible production of the aluminum-silicon alloy electrolytic cell are obtained; temperature parameters during flexible production of the aluminum-silicon alloy electrolytic cell are collected; according to the collected temperature parameters, reference temperature parameters in the control parameters, reference frequency parameters in the control parameters and a preset control strategy, the target frequency of the draught fan is calculated; and on the basis of the target frequency, a frequency converter connected with a fan motor is controlled to operate, accurate and dynamic matching of the air volume of the fan and the production working condition is achieved, the energy consumption of the fan is reduced, and the control flexibility is improved.
Owner:ORDOS MENGTAI ALUMINUM CO LTD

Display system capable of realizing panoramic display

The invention discloses a display system capable of panoramic display, and relates to the technical field of ship display, the display system comprises a display ship-borne platform and a main display screen, the upper surface of the display ship-borne platform is provided with a control unit, and the middle part of the display ship-borne platform is provided with a sub-display system; the sub-display system adjusts the height of the main display screen according to display requirements, and dynamically adjusts the display height of the main display screen; one side of the display ship-borne platform is symmetrically connected with communication antennas, and the other side of the display ship-borne platform is provided with a TMDS receiver in a penetrating manner; and a separation mechanism is arranged on one side of the display ship-borne platform, and the separation mechanism is used for butting and taking the flat plates for display according to data display requirements. The system integrates various data such as hull control, rasterization paper chart, electronic chart, hydro meteorology, ship position, POI information and the like, provides a comprehensive query function and a professional navigation protection service function, and facilitates real-time butt joint of data on a display panel.
Owner:SHANGHAI SHIP & SHIPPING RES INST CO LTD

Power distribution area flexible mutual aid system based on electric energy router

The invention relates to the technical field of electric energy routers, in particular to a power distribution area flexible mutual aid system based on an electric energy router, and the system is characterized in that a DC bus in a flexible mutual aid device is connected with an external power distribution area through a plurality of bidirectional DC / AC ports, and is used for completing electrical coupling and power intercommunication; the plurality of bidirectional DC / AC ports are connected with the direct current bus in parallel, the direct current bus is connected with an energy storage port and a photovoltaic port, the energy storage port is communicated with an external energy storage device, the photovoltaic port is communicated with an external photovoltaic device, and the flexible mutual aid device is communicated with an external power grid dispatching through a controller. According to the invention, normalized flexible interconnection between feeder lines is realized through the flexible mutual aid device, potential safety hazards caused by frequent displacement of a conventional switch based on an interconnection switch are avoided, the control flexibility and rapidity of the power distribution network are improved, and the power distribution network has the advantages of open-loop operation and closed-loop operation at the same time.
Owner:SHANGHAI DAZHOU ENERGY TECH CO LTD

Wafer polishing system

Disclosed in the present invention is a wafer polishing system, at least comprising a polishing unit, which comprises a fixed working station and two polishing modules, wherein the polishing modules are located on two sides of the fixed working station; each polishing module comprises a polishing platform and a polishing arm, which can drive a wafer to move relative to the polishing platform, so as to implement a polishing process; the polishing arms of the polishing modules on the two sides are located in a diagonal direction of the fixed working station; and the polishing arms can respectively swing between the fixed working station and the polishing platforms to transfer the wafer, and movement regions of the polishing arms having an overlapping portion. By means of the present invention, the polishing arm of each polishing module is independently controlled, so as to achieve better stability and flexibility; and only one fixed working station is needed to achieve the cooperation of multiple polishing modules to implement the polishing process of single or multiple wafers, so that the movement path in the polishing process is greatly shortened, which minimizes the time of the transfer process and improves the polishing efficiency.
Owner:HANGZHOU ZHONGGUI ELECTRONICS TECH CO LTD

Intelligent control method and intelligent control device for AGV lamp strip

The invention provides an intelligent control method and an intelligent control device for an AGV lamp strip, and relates to the technical field of AGVs, and the method comprises the steps: determining a target AGV through an interaction target scene, and extracting control communication information and AGV lamp strip information; according to the AGV lamp strip information, lamp strip driving voltage of an AGV control panel is defined, and control connection between a lamp strip and the control panel is established; according to the control communication information, defining a control communication mode of the AGV lamp strip, and configuring communication connection between the control panel and the control signal source; and the AGV control panel receives the control instruction, generates a corresponding control signal, and issues the control signal to the corresponding AGV lamp strip through communication connection to execute intelligent control. The AGV lamp strip control method and device solve the technical problems that an existing AGV lamp strip control method is poor in control compatibility and flexibility, and the diversified requirements of AGV indicator lamp control in different scenes are difficult to meet, and the flexibility and scene adaptability of AGV lamp strip control are improved.
Owner:ZHUHAI MAKERWIT TECH CO LTD

Paper bases and pulp molded articles strong aqueous structural resin compositions for building fiber matrices, kits and methods of making and using the same

ActiveCN121611012BFix unstable performanceEfficient settingWater-repelling agents additionPaper/cardboardMolded pulpFood contact materials
The application discloses a paper-based and pulp molded product strong water-based structure resin composition for constructing a fiber matrix, a kit and a preparation and application method thereof, and belongs to the technical field of papermaking wet end chemistry and pulp molding materials. In response to the global trend of replacing plastic with paper and fluorine-free control of food contact materials, the application aims at the pain point of failure of traditional chemicals in a high recycling pulp proportion and a closed water circulation high conductivity system, and constructs an acrylic polycarboxylic acid polymer and inorganic-organic dual charge buffer synergistic system. The scheme realizes the multiplication effect of physical strength such as breaking and ring pressure and the water resistance and oil resistance barrier performance by a unique crosslinking mechanism at a very low dosage, which is better than conventional enhancement technology on the market. The composition is a full water-based system and does not contain perfluorinated compounds, which ensures complete pulp recycling while giving the product excellent wet stiffness and film-forming density, and provides a green solution with high efficiency, low cost advantage and compliance for the papermaking and pulp molding industry.
Owner:DU BAI CHENG NEW MATERIAL TECH (SHANGHAI) CO LTD +3

Discharge mechanism for electric heating furnace

The utility model relates to electric heating furnace technical field discloses a kind of discharging mechanism for electric heating furnace, including support frame, drive mechanism, conveyer belt and infrared thermometer, support frame is made of high-temperature-resistant alloy steel, the shock-absorbing foot pad is installed in support frame bottom;Drive mechanism includes servo motor, the reducer connected with the output end of servo motor, several rotating rollers driven by reducer, several rotating rollers surface are coated with high friction coefficient rubber layer;Conveyer belt is driven to run by rotating roller, support frame is made of high-temperature-resistant alloy steel, and the shock-absorbing foot pad of high-temperature-resistant silicon rubber material is installed in bottom, it is equipped with disc spring array inside, can adapt to high-temperature environment and absorb vibration, prolong equipment service life.Multiple layers of heat insulation board are embedded with electric heating wire, and electric heating wire is embedded between aerogel thermal insulation layer and silicon carbide ceramic plate in serpentine arrangement mode, which helps to improve heating efficiency and ensure the uniformity of heating.
Owner:SHENYANG KELONG ELECTRIC HEATING TECH CO LTD

Closed pump variable characteristic curve adjusting structure and adjusting method

The invention relates to the technical field of closed pump variable characteristic control, in particular to a closed pump variable characteristic curve adjusting structure and method. The adjusting structure comprises a valve sleeve, a spring set and an adjusting assembly. A valve seat is installed at one end of the valve sleeve, a sealing cavity is formed between the valve seat and the valve sleeve, and a piston is further installed in the valve sleeve in a sliding mode. The spring set is installed in the sealing cavity and comprises a first spring, a second spring and a third spring, the first spring and the second spring are connected in series to form a series spring, the two ends of the series spring abut against the piston and the valve seat respectively, and the third spring is located on the radial inner side of the series spring. The adjusting assembly is installed on the valve seat, and the two ends of the third spring abut against the piston and the adjusting assembly respectively. According to the hydraulic control variable pump, the variable characteristic of the hydraulic control variable pump can be adjusted, and different working conditions of a vehicle or the operation requirements of different operators are met.
Owner:WEICHAI POWER CO LTD +1

Automatic control method and system for liquid level of after-condenser of liquefied natural gas receiving station

The invention provides an automatic liquid level control method and system for an after-condenser of a liquefied natural gas receiving station. The automatic liquid level control method for the after-condenser of the liquefied natural gas receiving station comprises the steps that S1, the bottom pressure of the after-condenser is kept stable, and the bottom pressure of the after-condenser is obtained; s2, according to the bottom pressure of the after-condenser, the set operation temperature of the after-condenser is calculated; s3, obtaining a plurality of parameter values and BOG mass flow which influence the liquid-gas ratio R value for controlling the recondenser to operate at the set operation temperature; s4, according to the set operation temperature of the recondenser and the multiple parameter values, the liquid-gas ratio R value required by the set operation temperature of the recondenser is calculated; s5, according to the liquid-gas ratio R value required by the re-condenser at the set operating temperature and the BOG mass flow, the LNG mass flow required by feeding of the re-condenser is calculated; and S6, feeding according to the LNG mass flow rate required by feeding of the re-condenser.
Owner:PETROCHINA CO LTD +2

A creel for a textile machine

ActiveCN114277472BConvenient position lockreduce precisionTextiles and paperYarnRatchet
The application discloses a kind of heddle for textile machine, it is related to textile accessory technical field, including positioning column, cylindrical shaft, setting on the cylindrical shaft sheet pressing mechanism and hanging yarn mechanism and setting on the protection mechanism of positioning column, sheet pressing mechanism includes slide, press-in ring and card frame, press-in ring is circular table structure, and it is internally hollow, cylindrical shaft side wall is equipped with two slides, two slides are respectively movably connected with two slide ways, and the other end of two slides is connected with the inner side wall of press-in ring, four card frames are symmetrically arranged along the outer side wall of press-in ring, hanging yarn mechanism includes shaft, first branch, second branch and rotating column, two shafts are respectively arranged in two slide ways, and located at the side away from positioning column, in the application, steel ball bowl is rotatably and slidably connected with positioning column, which facilitates unwinding process, the internal snap ring can ensure that positioning column is in stable rotation and sliding process, and the shaft sleeve protects the screw connection part of helical rod and ratchet wheel.
Owner:JIANGYIN TONGLONG TEXTILE MASCH CO LTD

Self-locking and anti-self-locking integrated switch structure

The utility model discloses a self-locking and anti-self-locking integrated switch structure, and the structure comprises a housing which is internally provided with a limiting rib and a clamping reinforcing rib, and the middle section of the housing is provided with a handle; one end of the trigger is rotationally connected into the shell, and the middle section of the trigger is connected with the shell through a reset spring; the shifting button is rotationally arranged on the trigger and connected with the trigger through a shifting button spring, a hook is arranged at one end of the shifting button, and a first protrusion and a second protrusion are arranged on the shifting button; in the anti-self-locking state, the hook makes contact with the limiting rib, and the trigger abuts against the shifting button, so that the trigger cannot be pressed downwards, and the anti-self-locking function is achieved. In a self-locking state, the toggle button is pushed to be separated from the limiting rib, the trigger can be pressed downwards, the forward pushing stroke of the toggle button is increased, the hook is hung on the clamping reinforcing rib, the trigger is clamped at the second protrusion, and therefore the purpose of locking the switch is achieved. And unlocking can be achieved by pressing the trigger.
Owner:ZHENGYANG IND & INVESTMENT CO LTD

Random optimization method for peak shaving of power distribution network considering three-phase imbalance

The application provides a power distribution network peak regulation random optimization method considering three-phase imbalance, and belongs to the technical field of power distribution network control. The method comprises the following steps: establishing a new energy power prediction error probability distribution model, generating a power scene for obtaining possible error values of new energy power, and reducing the power scene; establishing a three-phase power distribution network peak regulation optimization model based on feeder load power control; and simplifying and solving the peak regulation optimization model. The application utilizes feeder load power control technology to coordinate various voltage regulation devices to complete feeder load power control, and comprehensively solves the system peak regulation and imbalance treatment problems. The application focuses on the scene of single-phase access of high-proportion new energy, establishes a multi-objective optimization model based on reactive power voltage control, utilizes feeder load power control technology to reduce the system peak-valley difference in peak-valley time periods, utilizes load regulation characteristics and split-phase voltage optimization to relieve system imbalance in non-peak-valley time periods, and reduces the system peak-valley difference and negative sequence voltage.
Owner:WUHAN UNIV +1

MGs system adaptive model prediction frequency control method based on model-free adaptive control compensation

The invention discloses an MGs system adaptive model prediction frequency control method based on model-free adaptive control compensation, and belongs to the technical field of automatic control. The method mainly solves the problem that frequency fluctuation is affected by various uncertain factors, complex unknown disturbance and the like in micro-grid (MGs) system frequency control. The control scheme comprises the following steps: designing an adaptive model prediction controller; designing a model-free adaptive controller based on the input and output data; and establishing a model-free adaptive control compensation MGs system adaptive model prediction frequency control scheme. According to the MGs system adaptive model prediction frequency control method based on model-free adaptive control compensation disclosed by the invention, better control precision and stronger anti-interference capability can be realized when the frequency of a micro-grid system is influenced by unknown disturbance, and the precision requirement of micro-grid frequency control is met.
Owner:QINGDAO UNIV OF SCI & TECH

Clamping jaw of disassembly and cleaning auxiliary equipment of crystal pulling furnace

The utility model relates to the technical field of single crystal and polycrystalline silicon crystal pulling industry, in particular to a clamping jaw of auxiliary equipment for dismounting and cleaning a crystal pulling furnace, which comprises a lead screw transmission mechanism and a servo motor, the servo motor is arranged above the lead screw transmission mechanism, a speed reducer is arranged above the lead screw transmission mechanism, the servo motor is in transmission connection with the speed reducer, and the speed reducer is connected with the lead screw transmission mechanism. A weight monitoring mechanism is installed on the surface of the lead screw transmission mechanism, a signal lamp is installed on the surface of the lead screw transmission mechanism, a slewing bearing is installed below the lead screw transmission mechanism, a guide column is installed on the lower surface of the lead screw transmission mechanism, and a multi-connecting-rod clamping jaw mechanism is installed at one end of the guide column. According to the scheme, the servo motor is used for driving the lead screw to drive the multi-connecting-rod clamping jaw mechanism to be opened and closed, the flexibility of position control and the clamping force accuracy of torque control can be improved, the control flexibility is effectively improved, the clamping safety is improved, and the use cost is reduced.
Owner:NINGBO JINGYAO SEMICONDUCTOR CO LTD

Dual-system control method, electronic equipment and computer readable storage medium

The embodiment of the invention provides a dual-system control method, electronic equipment and a computer readable storage medium. The method is applied to electronic equipment comprising a first system and a second system, and comprises the following steps: under the condition that a preset control in a first application layer of the first system is triggered, controlling the first application layer to send a preset instruction to a first daemon process of the first system; controlling the first daemon process to send the preset instruction to a second daemon process of a second system; and controlling a second application layer of the second system and / or a program set in a second system framework layer through the second daemon process. According to the embodiment of the invention, the control flexibility is improved, and the user experience is improved.
Owner:ZTE TERMINAL CO LTD +1

Interrupt information processing method, device, system, equipment, medium and product

The embodiments of the present invention relate to the field of interrupt control technology, and disclose methods, devices, systems, equipment, media and products for processing interrupt information. The method includes: determining the interrupt information to be sent; obtaining configurable information including an interception enable flag and an interception feature; when the interception enable flag indicates that interception is turned on and the interrupt information to be sent matches the interception feature, the interception status of the interrupt information to be sent is determined. Based on the configurable information, the interception status of the interrupt information matching the interception feature is determined to avoid a large amount of repetitive interrupt information being accumulated at the host, thereby improving the efficiency of the host in processing interrupts. The configurable interception method improves the control flexibility. Based on the interception statistical characteristics of the interception behavior, the configurable information is feedback-adjusted to improve the accuracy of the configurable information and the interception efficiency.
Owner:SHANGHAI BIREN TECH CO LTD