30 results about "Control synthesis" patented technology

The invention discloses an accurate flow control method and system for a two-phase cold plate cooling data center, and relates to the technical field of two-phase cold plate cooling, and the method comprises the following steps: S1, collecting multi-mode operation monitoring data in real time, and carrying out the data preprocessing; s2, constructing a multivariable short-time-sequence prediction model, predicting the cooling demand, and performing optimization regulation and control on a cooling demand prediction result; s3, the target regulation and control flow of the cooling liquid is predicted, and flow and cooling execution measures are taken according to the target regulation and control flow prediction result; the opening degree of the valve is accurately adjusted and evaluated in real time, and accurate flow control is achieved; s4, integrating multi-mode operation monitoring data, a cooling demand prediction result, a target regulation and control flow prediction result and a valve opening accurate regulation evaluation result, and constructing a parameter optimization and safety fault-tolerant mechanism; the problems of chip safety and energy consumption risks caused by cold plate temperature overshoot and cooling capacity regulation lag under high-load fluctuation of the server are solved.

The invention belongs to the technical field of fine chemical reaction safety testing and automatic chemistry, and particularly discloses a nonlinear model predictive temperature control method of a semiconductor temperature control type synthesis reactor. The method comprises the following steps: constructing a dynamic heat transfer model of the system based on the semiconductor temperature control type synthesis reactor; designing a nonlinear model prediction controller according to the heat transfer model of the synthesis reactor; constructing a multi-constraint objective function for nonlinear predictive control according to the characteristics of the controlled object; and solving an optimal control sequence for the nonlinear model prediction controller by adopting a projection gradient method. Compared with a traditional PID temperature control algorithm, the temperature of the reactor can be accurately predicted and controlled through the designed nonlinear model prediction temperature control algorithm, it is ensured that the chemical reaction is conducted at the optimal temperature, and the robustness and adaptability of a control system are improved.

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.

1. The name of this design product: Comprehensive training system for simulated batching reaction and liquid level control. 2. Purpose of this design product: A comprehensive training system that simulates ingredient reaction and liquid level control to assist students in learning. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

Abstract: We describe here a flexible microsynthesizer that combines (i) state-of-the-art microfluidics with valve and flow control by capillary field-effect transistors and (ii) controlled synthesis in the microcavities by light-driven enzymes, specifically light-driven nucleotide processing enzymes. The combination of both methods using microfluidics enables a novel synergy for a rapid, high-quality synthesis pipeline, where both innovations support and refine each other, leading to cost savings, increased speed, synthesis quality, and reliability. Furthermore, we demonstrate here the high miniaturization potential of both inventions for even better efficiency through the use of nanocellulose and the use of nano-micro-macro trans-scale design for microfluidic design and the control of biochemical reactions.

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 utility model discloses a manganous-manganic oxide synthesis kettle and belongs to the technical field of manganous-manganic oxide production. The reaction kettle comprises a kettle body, a cover plate, a metal coil pipe, a stirring device and a control system, the kettle body is fixed with the cover plate through a bolt, a baffle is longitudinally arranged on the inner wall of the kettle body, mounting holes are formed in the baffle, an overflow port and a discharge port are formed in the kettle body, a connecting point is arranged at the bottom of the kettle body, and the coil pipe is fixed with a hoop through a bolt. A stirring opening is formed in the center of the cover plate, and a liquid inlet, a steam opening, a thermometer opening, a pH meter opening, a blower nozzle, an exhaust opening, a liquid level meter opening, a manhole and a standby opening are formed in the circumference of the cover plate at intervals. The liquid inlet and the blower nozzle are provided with sleeves which are directly communicated with the bottom of the kettle body, and the sleeves are fixed on the connecting plate. The reaction kettle is simple in structure, convenient to use, long in service life and capable of realizing efficient and accurately-controlled synthesis reaction.

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 present invention belongs to the fields of fine chemical reaction safety testing and automated chemistry technology, and specifically discloses a nonlinear model predictive temperature control method for a semiconductor temperature-controlled synthesis reactor. The method comprises the following steps: constructing a dynamic heat transfer model of the system based on the semiconductor temperature-controlled synthesis reactor; designing a nonlinear model predictive controller based on the heat transfer model of the synthesis reactor; constructing a multi-constraint objective function for nonlinear predictive control based on the characteristics of the controlled object; and solving the optimal control sequence for the nonlinear model predictive controller using the projected gradient method. Compared to traditional PID temperature control algorithms, the nonlinear model predictive temperature control algorithm designed by the present invention can achieve accurate prediction and control of the reactor temperature, ensuring that the chemical reaction proceeds at the optimal temperature and improving the robustness and adaptability of the control system.

The utility model provides an electronic circuit environment control comprehensive unit, which comprises a dust quality sensor, a temperature sensor, a humidity sensor and a PLC (programmable logic controller), the three sensors are connected by adopting an RS485 communication mode, and the PLC communication protocol adopts an RTU (remote terminal unit). Compared with the prior art, the circuit board environment control comprehensive unit is an advanced electronic device, is used for monitoring and controlling the working environment of the circuit board, integrates various sensors of temperature, humidity, dust and the like, can monitor the working environment state of the circuit board in real time, and can be adjusted according to needs, so that the circuit board environment control comprehensive unit is convenient to use. The integrated unit has high reliability and stability, can ensure that the circuit board works in an optimal state, improves the overall performance of equipment, prolongs the service life of the equipment, minimizes the interference to the equipment, and has no similar product or similar paper publication in the electrical industry.

A mode switch controller includes a memory having instructions stored therein; and a processor configured to execute the instructions stored in the memory to cause the mode switch controller to: instruct a hybrid mode controller to output a first mode control signal to cause a system to operate in a first mode; and instruct the hybrid mode controller, based on a detected parameter signal, a first control barrier function, and a second control barrier function, to output a second mode control signal to cause a system to operate in a second mode, wherein the first control barrier function is based on the system operating in the first mode and the system switching from operating in the first mode to operating in the second mode, and wherein the second control barrier function is based on the system operating in the second mode.

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.

An extreme environment adaptability test method for a power transmission and transformation sensing terminal relates to the technical field of equipment testing, and specifically comprises the following steps: constructing a coupled control model comprising a static test mode and a dynamic test mode, and inputting a target altitude to the coupled control model; based on the target altitude, a static test mode of a coupled control model is adopted, the comprehensive test bin is controlled to test the power transmission and transformation sensing terminal, and a test result is obtained; if the test result is that the power transmission and transformation sensing terminal is unqualified, the terminal is a defective product; if the test result is that the power transmission and transformation sensing terminal is qualified, controlling the comprehensive test bin to test the power transmission and transformation sensing terminal by adopting a dynamic test mode of a coupled control model; if the test result is that the power transmission and transformation sensing terminal is unqualified, the terminal is a defective product; if the test result is that the power transmission and transformation sensing terminal is qualified, the product is a good product; the problems that traditional testing is low in efficiency and inaccurate in testing result are solved.

To provide a control system applied for a complex facility, which facilitates elevator use while maintaining security.SOLUTION: A control system for a complex facility comprises: an acquisition unit that acquires input information input to a shared entrance device installed at a shared entrance of the complex facility; a first output unit that outputs first information for controlling the unlocking of the entrance door of the complex facility based on the input information; and a second output unit that outputs second information for controlling an elevator of the complex facility based on the input information.SELECTED DRAWING: Figure 1

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.