18results about How to "Good control" patented technology

The invention provides an inspection method and system for electric power marketing, and belongs to the technical field of electric power marketing, and the method comprises the steps: employing an unmanned plane to inspect a high-voltage line, and employing a robot to move along the high-voltage line; a laser radar is used for carrying out three-dimensional modeling on a high-voltage line, online equipment is used for collecting temperature data, vibration data and sag data of the high-voltage line in real time, and the collected data are transmitted to a monitoring center through the Internet of Things; images shot by the unmanned aerial vehicle and images shot by the robot are analyzed, and the defects of the high-voltage line are automatically recognized; the modeling information, the data information, the image information and historical inspection data of the high-voltage line are combined for analysis, and the operation state of the high-voltage line and the fault position of the high-voltage line are predicted. According to the inspection method for electric power marketing provided by the invention, the accuracy of high-voltage line inspection operation is improved, and meanwhile, the functionality of high-voltage line inspection is also perfected.

The invention relates to the technical field of building curtain walls, in particular to a temperature control adjusting system and method for a breathing type curtain wall, and the system comprises an inner circulation module which is used for guiding indoor air into a cavity of the breathing type curtain wall and returning the indoor air after heat exchange; the outer circulation module is used for guiding outdoor air into the cavity of the breathing type curtain wall, carrying out heat exchange and then discharging the outdoor air; a data acquisition module; a data processing module; the control module is used for judging whether the temperature control of the room meets a preset standard or not according to the temperature control stability characterization value; and the optimization module is used for determining a temperature control optimization strategy when the temperature control of the breathing type curtain wall does not meet a preset standard according to the current deviation degree of the room with the abnormal temperature and secondarily determining the temperature control optimization strategy of the room with the abnormal temperature according to the indoor interference characterization value of the room with the abnormal temperature. The temperature control efficiency of the breathing type curtain wall is improved.

The invention belongs to the technical field of otorhinolaryngological equipment, and particularly relates to an otorhinolaryngological treatment auxiliary expansion mechanism which comprises a mounting plate, a third mounting frame is fixedly connected to the upper surface of the mounting plate, a connecting sleeve is fixedly connected to the inner wall of the third mounting frame, brushes are annularly distributed on the outer contour of a cleaning rod, and an inflating mechanism and an adjusting mechanism on a sliding seat are arranged on the mounting plate. According to the device, the air bag can be rapidly and effectively inflated, rapid expansion of parts such as earholes is achieved, wounds generated in the expansion process are reduced, subsequent diagnosis and treatment operation is facilitated, the parts such as the earholes are preliminarily cleaned while expansion is conducted, diagnosis and treatment efficiency is improved, pain and discomfort of a patient are reduced, and the device is worthy of popularization and application. The motion and state of the expansion mechanism can be conveniently controlled, the expansion mechanism can be easily switched to an inflation mode or an adjustment mode when needed, the advantages of multifunctionality, stability and the like are achieved, and great convenience and help can be provided for the treatment process of the otolaryngology department.

The application relates to a UAV optimal resource allocation method based on communication control integration, and belongs to the technical field of communication. m (m=m, …, M), the flight state of the UAV cluster is changed through the head machine, and then the rest of the UAVs are remotely controlled through an ICAC system; device system modeling, communication system modeling and control system modeling are sequentially performed, and UAV cluster control performance analysis is performed; multi-UAV subcarrier resource allocation and control data rate optimization are performed. The application considers the influence of the control signal block length and the control data rate on the control signal quantization noise, and in addition, in the UAV cluster with limited subcarrier resources, optimal subcarrier and control data rate allocation is obtained to ensure that the control performance of all UAVs is best under fairness.

The invention discloses a small-angle automatic hook retracting mechanism with an automatic positioning function, and relates to the technical field of engineering machinery. Comprising a lazy arm assembly, a third wheel assembly is fixedly installed at the position, close to the upper left side, of the lazy arm assembly, a turnover mechanism is arranged on the lower surface, corresponding to the third wheel assembly, of the lazy arm assembly, a limiting mechanism is installed on the lazy arm assembly corresponding to the turnover mechanism, and steel wire ropes are wound around the third wheel assembly and the turnover mechanism. A protection mechanism is arranged on the turnover mechanism corresponding to the steel wire rope, the steel wire rope is wound on a first pulley assembly on the lower side of the turnover mechanism, and the first pulley assembly is mounted between the upper inner wall and the lower inner wall of the lifting hook assembly; the automatic hook retracting device is compact in structure, the lifting hook and the arm body are horizontal after the hook is retracted in place, it is guaranteed that hook releasing is stable and reliable, the state is controllable after hook retracting, the accuracy of automatic hook retracting is improved, the time of automatic hook retracting is shortened, the service life of a steel wire rope is prolonged, and the safety of automatic hook retracting operation is guaranteed.

The application discloses a kind of communication link perception multi-agent dynamic event trigger consistency methods, comprising S1: the communication network topology graph of information exchange between multi-agent is established;S2: determine the dynamics equation of multi-agent system;S3: introduce adaptive control, design complete distributed consistency control input strategy based on event trigger;S4: the solution of algebraic riccati equation obtains feedback gain matrix;S5: based on Lyapunov theorem and channel capacity parameter, design communication link perception dynamic event trigger control strategy;S6: reach multi-agent consistency by complete distributed control input strategy and communication link perception dynamic event trigger control strategy;The communication link perception dynamic event trigger mechanism of the application is completely distributed, through adaptive coupling gain, control input adaptive adjustment, without relying on global information related to network topology, realize and apply in large networked multi-agent system.

The utility model relates to the technical field of motor, in particular, it is a kind of integrated reduction stepper motor, and the output efficiency of its product is higher, reliability is high, precision is high, cost-effective is high, service life is long;Including shell, apron, stepper motor assembly, support component and deceleration component, apron is installed in shell right end, stepper motor assembly is installed in shell interior by support component, deceleration component is installed in shell interior right side, and the output end of stepper motor assembly is connected with deceleration component.

The invention relates to an assembly and foaming device for an inner box and a shell, and a process thereof, wherein butter paper is connected to one end of the inner box, and the device comprises a frame, a first transfer mechanism, a second transfer mechanism, and a foaming mechanism; the frame is provided with a feeding station, a first positioning station, a second positioning station, an assembly station, and a foaming station, wherein the feeding station, the first positioning station, and the assembly station are arranged along a first direction, and the second positioning station, the assembly station, and the foaming station are arranged along a second direction; the foaming mechanism is arranged corresponding to the foaming station; wherein the first transfer mechanism comprises a first holding component, and a second holding component is arranged at one side of the foaming station, and both the first holding component and the second holding component are used to keep the butter paper in an outwardly turned state folded toward a side away from the inner box, which can ensure that the state of the butter paper is always controllable during the entire working process, and effectively prevent the butter paper from being damaged during the transfer, assembly, and foaming processes.

The utility model discloses a double-sided leather preparation device, which is used for covering double-sided PU (polyurethane) coatings on base cloth, relates to the technical field of coating equipment, and comprises an impregnation tank and a coagulating tank, a base cloth output device is arranged on one side of the impregnation tank, a base cloth leveling device is arranged on the other side of the impregnation tank, and the coagulating tank is arranged on the outlet side of the base cloth leveling device. The coagulating tank is in an inverted L shape and is divided into a first coagulating area on the inlet side and a second coagulating area on the outlet side, the first coagulating area extends to the position below the ground, the second coagulating area is located above the ground, and an opposite pressing device is arranged at an outlet of the second coagulating area. The coagulating tank is divided into the first coagulating area and the second coagulating area, the first coagulating area is arranged under the ground to replace a traditional steering roller, the retention time of the base cloth in the coagulating tank is prolonged, meanwhile, when the base cloth moves in the first coagulating area, slurry on the surface layer can permeate to the bottom layer of the base cloth due to the tension of the base cloth, and the slurry on the surface layer can permeate to the bottom layer of the base cloth. And thus, a double-faced skin layer is formed in the solidification process.

The utility model provides a safety protection device of cross beam jacking equipment. The safety protection device of the cross beam jacking equipment comprises two iron chains, one ends of the two iron chains are installed on two first cross beams respectively, the other ends of the two iron chains are detachably installed on two second cross beams respectively, the first cross beams are hinged to the corresponding second cross beams, and the second cross beams are hinged to the first cross beams. And a supporting seat is hinged to one end of the first cross beam. The safety protection device of the cross beam back shore equipment has the advantages that applicability is high, the structure is simple, an original mechanical structure cannot be damaged when the safety protection device is transformed and used, pressure, acting on the jack, of the cross beam is converted into pulling force acting on the iron chain, and therefore the fluid mechanics problem is converted into the classic mechanics problem, and the safety protection device is suitable for being popularized and applied. And the working time of the hydraulic system is shortened, the risk of failure of the hydraulic system is prevented, and the reliability of equipment is greatly improved.

The invention discloses a single-person operating tool for a J-type wire clamp, comprising a wire clamp fixing frame for fixing the J-type wire clamp, an insulating outer rod fixedly connected to the bottom of the wire clamp fixing frame, an insulating inner rod sleeved in the insulating outer rod and movable relative to the insulating outer rod, a bolt fastening device fixedly connected to the top of the insulating inner rod, a lead fixing mechanism movably connected to the wire clamp fixing frame and used for fixing the lead, a locking mechanism sleeved on the insulating outer rod and used for locking the lead fixing mechanism, and a limiting frame movably connected to the wire clamp fixing mechanism and located above the bolt fastening mechanism. The arrangement of the wire clamp fixing frame of the invention can fix the J-type wire clamp, the arrangement of the lead fixing mechanism and the locking mechanism can fix the lead and facilitate the control of the state of the lead fixing mechanism, and the arrangement of the limiting frame at the end of the lead fixing mechanism can make the J-type wire clamp neatly and beautifully installed.

The application relates to the technical field of Internet of Things sensing management, in particular to a lawn management method and system based on Internet of Things sensing. The method comprises the following steps: acquiring lawn structure data and Internet of Things sensing terminal data, constructing a lawn structure topology graph and a lawn weed candidate evolution context, and generating context terminal association data; generating a context observation record time sequence and calculating evolution index data, generating a cross-sensing task of the lawn weed candidate evolution context according to the evolution index data, identifying observed lawn weeds by executing the cross-sensing task through the Internet of Things sensing terminal; selecting key evolution context segments that meet context segment screening rules, determining task configuration parameters of the key evolution context segments, and generating a context management task list; and generating terminal execution instruction data for each key evolution context segment matched with a target terminal. The application realizes a precise lawn management based on Internet of Things sensing, which is lawn weed fine and region clear.

The application relates to the technical field of large language models, and discloses a multi-path legal reasoning engine based on an MCP protocol, which comprises a legal question input module, a legal question answering module and a question and answer result output module; the legal question answering module utilizes a large language model, combines a Monte Carlo tree search algorithm, a multi-path deduction mechanism, a retrieval enhancement mechanism and a user feedback optimization mechanism, and relies on an MCP unified management model to manage internal states, knowledge activation and reasoning path information, and generates an interpretable legal answer corresponding to a legal query question input by a user. The application integrates key information streams with the MCP protocol, outputs answers, reasoning chains, cited bases and credibility evaluations in a visual manner, and significantly improves the professionalism, interpretability and user trust of the whole legal reasoning process.

The application relates to a kind of acceleration and deceleration curve optimization method, control method and system of step motor, and to step motor control technical field, by dividing the movement process of step motor into four non-zero speed start-stop rotation modes, including uniform speed mode, uniform acceleration mode, uniform deceleration non-zero point mode and uniform deceleration zero point mode, respectively for each mode Calculation pulse generation time and adjacent pulse generation time interval, and based on the pulse generation time and generation time interval under the four modes, the acceleration and deceleration curve is optimized. The optimized acceleration and deceleration curve is used to drive the step motor to start from a certain speed, compared with the linear acceleration and deceleration curve started from static, the dynamic torque required by the step motor in the acceleration process is smaller, and the control performance is better when accelerating to medium-high speed.

This invention discloses a commutation method for a modular multilevel converter in quasi-two-level mode, comprising: determining the commutation stage and output current polarity, identifying the delayed control object, and determining the operation mode based on the phase voltage level switching direction; directly executing the operation of the non-delayed control object according to the determined operation mode and constructing two candidate paths for the delayed control object: direct operation and delayed operation; calculating the circulating current prediction value and the absolute error with the reference value corresponding to the direct operation and delayed operation respectively, and determining whether the delayed control object should operate directly or delayed based on minimizing the error; introducing a piecewise linear trajectory synthesis fine-tuning mechanism based on duty cycle, determining the delay time of the bridge arm submodule by calculating the duty cycle, and repeating the steps until the commutation process ends; this invention quickly completes the commutation of the upper and lower bridge arms by adding a delay, and at the same time, the piecewise linear trajectory synthesis mechanism based on duty cycle eliminates the steady-state error caused by the whole-cycle delay.

The utility model discloses a bottom air inlet independent center fire three-time mixing premixing type burner, and relates to the technical field of burners. The bottom air inlet independent center fire three-time mixing premixing type combustor comprises a shell, a premixing inner core and a center fire three-way device are fixedly arranged on the inner side of the shell, and a plurality of mixing rotating holes are formed in the outer wall of the premixing inner core. Gas can be mixed for the first time quickly after entering the premixing inner core, a foundation is laid for subsequent sufficient combustion, the combustion efficiency is improved, the gas is primarily mixed in the premixing inner core through the mixing rotating hole, and then the gas is secondarily mixed with air in the gas storage chamber through the secondary mixing hole in the top surface of the premixing inner core; and the three-time mixing design can ensure that the fuel gas and the air are fully mixed, so that the combustion is more sufficient, the energy utilization rate is improved, and the emission of harmful gas is reduced.

This invention discloses a method for preparing a microcapsule-structured specialty coffee extract, the extract itself, and its applications, belonging to the field of fragrance and flavor technology. The method includes: adding an emulsifier to the specialty coffee extract and emulsifying it at 1530°C to obtain an emulsion; preheating a melamine resin prepolymer to 4045°C and adding it to the emulsion; raising the temperature to 4550°C within 15 minutes and adjusting the pH to 4.5-5.5 for the first stage reaction; then raising the temperature to 6080°C for the second stage reaction; and finally cooling and adjusting the pH to 7.5-8.5 to terminate the reaction, thus obtaining the microcapsule-structured specialty coffee extract. This invention, through room-temperature emulsification and a two-stage temperature-controlled process, effectively preserves the complex aroma of the specialty coffee extract. The resulting microcapsule structure is dense and stable, possessing both sustained-release and rapid aroma release via friction, significantly extending the aroma retention time. This invention also provides the application of the microcapsule-structured specialty coffee extract in the preparation of pet products.

The invention provides a dynamic explosion test loading structure and a charge dynamic explosion loading rocket sled test system, and mainly solves the problem that real shock wave data cannot be accurately obtained in a gun firing test during charge detonation of dynamic explosion. The dynamic explosion test loading structure comprises a seat body and a sealing cap, the medicine ball is arranged in a groove in the top surface of the seat body; the dynamic explosion test loading structure is arranged on a rocket sled platform, the explosive ball is loaded to a preset speed through the rocket sled, the explosive ball is separated from the rocket sled, the explosive ball reaches a preset explosion point above a shock wave characteristic parameter test area, and the explosive ball is detonated by the detonating device. A sensor and a high-speed camera are arranged in a test area, explosive ball explosion moment information and shock wave field evolution process images and displacement parameters are obtained, and therefore accurate experiment information is obtained; the method has the advantages of being controllable in test state, high in universality, good in repeatability, convenient to test and the like, and a reliable test method is provided for charge detonation.