20 results about "Control synthesis" patented technology

The invention discloses a disturbance observation driven minimum control synthesis adaptive vibration control method and system. The method comprises the following steps: establishing a nominal model of a structure based on a vibration response signal of the structure; carrying out fusion processing on the nominal model of the structure and the vibration response signal, constructing a disturbance observation framework, estimating various disturbances borne by the structure in real time, and generating a disturbance estimation value; combining the disturbance estimation value with a control law of a minimum control synthesis algorithm in a feedforward compensation mode to construct a driving control instruction; and generating an acting force according to the driving control instruction to adjust the vibration of the structure. According to the method, a cooperative control architecture with strong anti-interference capability is constructed by fusing a disturbance observation technology and a minimum control synthesis algorithm, and disturbance and uncertainty are effectively suppressed while vibration is controlled, so that the vibration control precision is improved.

The invention belongs to the technical field of direct-current power systems, and discloses a direct-current power system robust attraction domain geometric morphology control method, which comprises the following steps of: establishing a dynamic model and a static power flow model of a direct-current power system; under a given operation range and a set with uncertain load, deducing a robust stability condition for ensuring an attraction domain: embedding the robust stability condition into the OPF-like control comprehensive model in a linear constraint form, solving to obtain a power supply voltage reference, and realizing control parameter design with efficient calculation; numerical examples are carried out on a single-bus direct-current system and an IEEE14 node direct-current system, and the effectiveness of the method is verified. According to the method, the robust control thought of'ensuring the attraction domain 'is provided and realized for the uncertain working condition of the load interval, so that the attraction domain corresponding to any operation point in the uncertain set of the load can adaptively move along with the operation point and continuously and completely envelops the preset operation range, and clear transient stability guarantee can still be provided under the condition of load fluctuation.

The utility model belongs to the technical field of fan regulation and control, and particularly relates to a fan fault feedback and speed regulation control integrated module which comprises a main control module, a fan fault detection module, a fan speed regulation control module, an LED display control module, a communication circuit module, an address setting module and a multi-channel independent control circuit module. The fan speed regulation and fault feedback integrated module can independently regulate the speed and control fans, accurately detect fan faults and visually display the working state and system communication of each path of fan through a double-color LED, and is a 24-channel module integrating fan fault feedback, LED red and green double-color indication, PWM speed regulation and communication functions. And remote speed regulation and real-time accurate wind and rock fault monitoring can be easily realized.

The invention relates to a motion speed control method and system based on a position sensor. The system comprises an improved NLSEF-TD nonlinear differential tracking controller and an improved MRC-ESO compensation type third-order extended state observer. The differential tracking controller obtains a motor angular velocity tracking error es based on a motor angular velocity set value omega ref and a motor observation angular velocity Z2 output by the observer; based on the tracking error es and the motor parameters, adopting an improved steepest control comprehensive function to obtain a control quantity upu of a steepest tracking instruction, generating an output quantity uout based on the control quantity upu and a motor system disturbance observation value output by an observer, and further solving a given value for controlling the torque of the motor to realize control on the motor; the observer obtains a motor observation angular velocity Z2 and a motor system disturbance observation value based on a given value of a control motor torque, a motor actual angle position measured by an angular position sensor and an improved motor electrical system disturbance item az, and outputs the motor observation angular velocity Z2 and the motor system disturbance observation value to the differential tracking controller.

The invention relates to the technical field of power electronic control, in particular to a three-phase alternating-current multi-mode self-adaptive double-PID control method and system. According to the method, the operation state quantity of a system is monitored in real time, a control mode is dynamically selected according to a preset threshold value, a double-PID parallel control structure is adopted to process main control deviation and auxiliary control deviation respectively, an undisturbed switching process is executed during mode switching, and control parameters are adjusted through a self-adaptive algorithm, so that the control precision is improved. And finally, synthesizing the main control quantity and the auxiliary control quantity into a final control signal according to a dynamic weighting principle. The corresponding system comprises an operation state monitoring module, a mode identification module, a double-PID control module, a parameter management module and a control synthesis module. Smooth switching among multiple control modes can be achieved, the dynamic response speed and the steady-state precision of the system are effectively improved, and the adaptive capacity of the system under different working conditions is enhanced.

The invention discloses an experiment box with comprehensive temperature and humidity control, and relates to the technical field of experiment boxes, the experiment box comprises a mobile slide rail and a temperature and humidity control system, the temperature and humidity control system comprises an experiment demand acquisition unit, a demand analysis unit, a historical parameter acquisition unit, an operation model establishment unit and a parameter output unit; experimental requirements are obtained through an operation panel arranged on the surface of the comprehensive experimental box, experimental energy consumption coefficients are substituted into an energy consumption analysis model of the comprehensive experimental box according to experimental requirement analysis and real-time equipment operation parameters and aging coefficients, updated equipment parameters are obtained, a parameter adjusting instruction is automatically generated according to the updated equipment parameters, and the energy consumption of the comprehensive experimental box is adjusted according to the parameter adjusting instruction. The comprehensive experiment box is controlled to adjust the actual equipment operation parameters to meet the updated equipment parameters, and the automatic temperature and humidity adjustment is realized based on the principle of reducing the energy consumption, so that the experiment cost is reduced and the energy is saved on the premise of ensuring that the aging experiment is carried out smoothly.

The invention relates to the technical field of automatic control, in particular to a method and system for controlling synthesis of 6-hydroxysphingosine and isomers thereof, and the system for controlling synthesis of 6-hydroxysphingosine and isomers thereof comprises an instruction loading module, a data acquisition module and a feedback control module, controlling to load a corresponding stage process instruction based on the triggered stage identifier, and judging whether the corresponding sensor and actuator are normal or not; controlling a corresponding sensor and an actuator to perform data acquisition based on the loaded stage process instruction, endowing the acquired synthetic data with a corresponding data identifier, and transmitting the acquired synthetic data; the synthesis stage matched with the current synthesis data is received and judged, the corresponding stage model is called for calculation and feedback control according to the judgment result, reaction conditions are mild, raw materials are easy to obtain, and the method is suitable for industrial production.

The invention relates to a digital television front-end switching control system and a switching control method thereof, the system comprises a communication module, a switching control comprehensive processing module and a control presentation module, the communication module is used for carrying out data acquisition on heterogeneous controlled equipment and communicating with the heterogeneous controlled equipment, and supports various communication protocols; the switching control comprehensive processing module is used for analyzing and processing the collected data and carrying out alarm display and voice broadcast, the switching control comprehensive processing module can also receive an instruction issued by a user, and heterogeneous controlled equipment is controlled through the switching control comprehensive processing module; and the control presentation module is used for displaying the current working state of the controlled equipment. Software is deployed on terminal equipment, data is collected and displayed, and a control instruction is issued, so that program routing is effectively scheduled, and source signals of various signal types are managed and controlled on a unified platform.

The application relates to the technical field of liquid crystal display screen control, and discloses an automatic backlight adjusting control system based on a liquid crystal display screen. The system environment sensing unit is responsible for capturing environmental light parameters and display content parameters; the scene analysis unit pre-processes the parameters, generates adjusting parameters in combination with a fault database; the data fusion unit schedules backlight material data, calculates light efficiency indexes, constructs a light propagation model, and outputs a parameter priority sequence; the prototype construction unit builds a backlight system prototype, collects relevant data, analyzes signal response characteristics of brightness uniformity data; the configuration management unit determines installation area size and working environment constraints, and collects adaptability parameters; the performance evaluation unit calculates life prediction indexes and system adaptability; and the control synthesis unit integrates various data, selects the best backlight material, and generates a backlight control instruction. The system can intelligently adjust the backlight of the liquid crystal display screen, improve display effect, reduce energy consumption, and prolong service life.

The utility model relates to the technical field of joule heat high temperature synthesis equipment discloses a rotatable joule heating device, include: the two sides inner wall of heating bin are connected with the clamping piece opposite rotation, and the pivot of one clamping piece is worn out heating bin, reaction pipe is arranged in the heating bin, and the both ends of reaction pipe are respectively clamped on two clamping pieces, and carbonaceous heating carrier is equipped in reaction pipe, and carbonaceous heating carrier is used for under the action of electric current instantaneous heat generation to heat the material in reaction pipe, the output shaft of rotary drive part is equipped with magnetic coupler, and magnetic coupler is connected with the pivot of clamping piece worn out heating bin, is used for driving reaction pipe to rotate through clamping piece, this device can overcome the defect that traditional heater heating rate is low, heating time is long and limit temperature is not high, can help high temperature synthesis material even in the heating test process is heated, and better control synthesis material's collective appearance, prevent the problem that synthesis material appearance is uneven.

The invention provides a signal processing method and system of a pan-tilt motor, electronic equipment and a storage medium, and relates to the technical field of signal processing, a stator of the pan-tilt motor is provided with two linear Hall sensors, and the method comprises the following steps: respectively collecting Hall signals of the two linear Hall sensors; performing signal processing on the two Hall signals to obtain two Hall voltage signals; respectively carrying out noise extraction on the two Hall voltage signals based on a steepest control comprehensive function of a discrete system to obtain two standard voltage signals; and calculating the electrical angle of the pan-tilt motor according to the two standard voltage signals. Based on the steepest control comprehensive function of the discrete system, adaptive balance of noise suppression and phase lag is realized through the nonlinear differential equation, the electrical angle error of the pan-tilt motor is effectively reduced, the dynamic response speed of the pan-tilt motor system is improved, and the stability and real-time performance of a live broadcast picture are guaranteed.

The invention relates to the technical field of software and artificial intelligence, in particular to a software development method based on natural language orchestration, which comprises the following steps of: S1, in response to a natural language demand, identifying a business entity and an action, mapping the entity into a library of a colored Pearl network, defining a color set, mapping the action into transition, and establishing a color set; constructing an incidence matrix according to the input consumption and the output of the Tokenn; and S2, iteratively constructing a branch process based on the incidence matrix, calculating a state identifier of a local configuration of a new event, and marking a cut-off event when the state identifier is repeated with a historical event so as to generate an acyclic finite complete prefix structure. According to the method, verification and supervision control synthesis are carried out through the Pearl network, and then a mathematical-level anti-deadlock section is automatically woven into a business code, so that the problems that traditional generative development mostly depends on direct generation and concurrency control of a large model, the model lacks global logical reasoning ability, and the development efficiency is low are solved. And therefore, the problem of frequent random deadlock of software in a high-concurrency environment is solved.

The invention relates to the technical field of controller auxiliary equipment, in particular to a chemical instrument and control comprehensive practical training device which comprises a circulating water tank, a lower water tank, an upper water tank and an integrated control cabinet, a centrifugal pump is fixedly mounted on the left side of the circulating water tank, and a circulating pump is fixedly mounted on the right side of the circulating water tank; a ninth gate valve is installed between the circulating water tank and the centrifugal pump, and an inlet adjusting valve is fixedly installed between the circulating water tank and the circulating pump. According to the invention, measurement and control of four most common parameters in the chemical process are included, more than ten different types of sensors, transmitters and execution mechanisms are integrated, more than fifteen typical experiments from basic cognition to advanced control can be carried out, and the teaching function is complete. According to the device, industrial instruments and equipment are adopted, control strategies cover industrial mainstream control schemes such as PID (Proportion Integration Differentiation), bit mode, cascade, ratio and the like, and instrument faults and emergency working conditions can be simulated.

The application provides an API flow limiting method, a server device, a storage medium and a program product, the method comprising: a feedforward control step, using a Holt-Winters model to predict future API request quantity, and obtaining a feedforward adjustment amount according to the size relationship between the future API request quantity and the rated processing API request quantity of the server; a feedback control step, performing PID control on the error between the expected average response time of the server and the actually measured average response time of the server, and obtaining a feedback adjustment amount; a control synthesis step, obtaining a synthesized adjustment amount and a candidate token generation rate; an amplitude limiting step, generating a final token generation rate based on the upper and lower limits of the token generation rate and the candidate token generation rate. By using the above technical scheme, adaptive API flow limiting is realized, the calling rate can be dynamically adjusted in the flow limiting process, the complex and changeable business scenarios can be effectively adapted, the server resource utilization efficiency is improved, and the high availability and stability in the API calling process are guaranteed.

The embodiment of the application discloses a kind of control methods of integrated energy system, belong to system control technical field, method includes: using the target attacker twin model of trained generation multiple first disturbance vectors, determine the strategy network of each first disturbance vector, obtain the target state vector sequence of integrated energy system in actual operation in the preset length, according to target state vector sequence, from multiple first disturbance vectors, determine the second disturbance vector matched with target state vector sequence;Based on the target strategy network corresponding to second disturbance vector, according to the target state vector of integrated energy system, determine target control action, using target control action controls integrated energy system.Such, realize for unknown attack disturbance strategy, corresponding target control action can also be quickly acquired, without operation and maintenance personnel on-site decision, can improve the determination effectiveness of integrated energy system control action.

The utility model provides control synthesis equipment for printing and toning of a packaging box. The control synthesis equipment for printing and toning of the packaging box comprises a bottom plate, a mounting frame is mounted at the top of the bottom plate, a lifting assembly is connected to the top of the mounting frame, a limiting assembly is connected between the lifting assembly and the mounting frame, the lifting assembly is connected with a linkage assembly, and the linkage assembly is connected with a stirring head. According to the control synthesis equipment for printing and toning of the packaging box, through interaction of the motor, the double-end belt wheel, the first belt, the second belt, the second belt wheel, the first belt wheel and other assemblies, the two sets of stirring rods can drive stirring heads to rotate at the same time; the two groups of stirring heads are taken out and rotated to change positions through the lifting assembly, the clean stirring heads come to the synthesis area, the stirring heads stained with colors come to the cleaning area, and the stirring heads are used in a rotating mode, so that the stirring heads stained with the previous group of pigments do not pollute the later mixed pigments, and synthesis does not need to be stopped due to cleaning of the stirring heads.

The invention relates to the technical field of liquid crystal display screen control, and discloses an automatic backlight adjustment control system based on a liquid crystal display screen. The system environment sensing unit is responsible for capturing environment light parameters and display content parameters; the scene analysis unit preprocesses the parameters and generates adjustment parameters in combination with the fault database; the data fusion unit schedules backlight material data, calculates a lighting effect index, constructs a light propagation model, and outputs a parameter priority sequence; the prototype construction unit is used for constructing a backlight system prototype, collecting related data and analyzing signal response characteristics of brightness uniformity data; the configuration management unit determines the size of an installation area and the constraint of a working environment, and collects adaptability parameters; the performance evaluation unit calculates a life prediction index and a system adaptation degree; and the control synthesis unit integrates data in multiple aspects, screens an optimal backlight material and generates a backlight control instruction. The system can intelligently adjust backlight of the liquid crystal display screen, the display effect is improved, energy consumption is reduced, and the service life is prolonged.

The application discloses a precise flow control method and system for cooling data centers by two-phase cold plates, and relates to the technical field of two-phase cold plate cooling, and comprises the following steps: S1, real-time collection of multi-modal operation monitoring data for data preprocessing; S2, construction of a multivariate short-time sequence prediction model, prediction of cooling demand, and optimization and regulation of the cooling demand prediction result; S3, prediction of the target regulation flow of the cooling liquid, implementation of flow and cooling execution measures according to the target regulation flow prediction result, real-time precise adjustment and evaluation of the valve opening degree, and realization of precise flow control; and S4, comprehensive consideration of the multi-modal operation monitoring data, the cooling demand prediction result, the target regulation flow prediction result and the valve opening degree precise adjustment and evaluation result, construction of a parameter optimization and safety fault-tolerant mechanism; and the problems of chip safety and energy consumption risk caused by the cold plate temperature overshoot and the cooling capacity regulation lag under the high-load fluctuation of the server are solved.

The utility model discloses a comprehensive practical training system for simulating batching reaction and liquid level control, relates to the technical field of practical training devices, and is used for solving the problems in the prior art. Comprising a profile frame, a main water tank water supply unit, a first water tank assembly, a second water tank assembly and a reaction kettle assembly, the first water tank assembly, the second water tank assembly and the reaction kettle assembly are arranged on a top placement plate, and the main water tank water supply unit is arranged on a bottom placement plate. On the premise of ensuring the control effect, human intervention is reduced, the process is visualized, the problems of low automation degree, poor system response speed and flexibility, unstable control effect and the like in the prior art are solved, the scheme is adopted for practical training, students can be effectively assisted in learning of automatic control, and the practical training efficiency is improved. And automatic related technologies such as ingredient reaction and liquid level control can be better understood and mastered.

The invention relates to a distributed electric drive multi-axle vehicle pivot steering control system and method based on online learning, the system comprises an upper-layer controller and a lower-layer controller, the upper-layer controller adopts a PID algorithm based on an RBF neural network, a nonlinear corresponding relation between a vehicle state and control output is learned online, and the control output of the vehicle state is controlled. A vehicle torque control signal is dynamically optimized and output; the lower layer controller introduces an anti-saturation integral structure and designs an ASR controller based on a sliding mode control algorithm, and is used for outputting a control torque signal in combination with an ASR intervention condition so as to restrain tire movement divergence. Compared with the prior art, the problems that control parameters depend on a model, the parameters are not easy to adjust, tire slipping is not easy to restrain and the like can be solved, and generalized force high-precision calculation and slipping robust control of the distributed electric drive multi-axle vehicle in the in-situ steering process are achieved; and the control precision and the wheel end stability of the vehicle system under the in-situ steering working condition are comprehensively improved.