318 results about "Linear control" patented technology

The invention discloses a wind power operation and maintenance ship embarkation system compensation control method based on active disturbance rejection control and related equipment. The method comprises the following steps: predicting a system external wave disturbance variable of a six-degree-of-freedom embarkation compensation platform according to environmental parameters through a wave disturbance prediction model; the total disturbance quantity in the system is predicted through the extended state observer according to the real-time attitude information and the electric cylinder control signal, and then the total disturbance of the system is obtained; a nonlinear control quantity is calculated through an active disturbance rejection controller according to real-time attitude information, expected attitude information and a preset decoupling matrix, a feed-forward compensation quantity is calculated according to total disturbance of a system, then an output instruction of the controller is calculated, and compensation control is achieved. According to the embodiment of the invention, compensation control can be realized through the wave interference prediction model, the state expansion observer and the active disturbance rejection controller, and high precision and response speed are achieved. The method can be widely applied to the technical field of automation control.

The invention relates to the technical field of intelligent traffic systems, in particular to a linear intelligent monitoring system for a bridge fabrication machine, which comprises a multi-source sensing module, a data processing module, a data processing module, a data processing module, a data processing module, a data processing module and a data processing module, and is characterized in that the multi-source sensing module comprises strain sensors, inclinometers, GPS positioning units and machine vision units; the edge computing node is internally provided with a self-adaptive data fusion algorithm and is used for denoising sensor data in real time; the cloud digital twin platform is used for synchronizing the BIM design model and generating a millimeter-level linear deviation early warning signal; the PLC control interface is used for receiving the early warning signal and automatically adjusting parameters of the template system and the walking mechanism; according to the method, environmental noise interference is effectively eliminated through multi-source sensor fusion and a self-adaptive data filtering technology, the monitoring precision is improved to a millimeter level, real-time comparison of construction data and a design model is realized based on a BIM and digital twinning dynamic interaction system, and the timeliness and accuracy of linear control are remarkably improved.

The invention provides a non-linear flight control method and system for an anti-wind disturbance unmanned aerial vehicle. The method comprises the following steps: acquiring wind field disturbance characteristics in real time by using a preset meteorological radar; inputting the wind field disturbance characteristics into a preset aerodynamic disturbance prediction model to generate an aerodynamic torque fluctuation prediction value; preset dynamic filtering processing is applied to the amplitude characteristic of the aerodynamic torque fluctuation predicted value so as to generate a control instruction correction signal; and the control instruction correction signal is coupled with a preset nonlinear control law of an unmanned aerial vehicle flight control system, so that unmanned aerial vehicle attitude offset caused by wind disturbance is inhibited in real time, and unmanned aerial vehicle nonlinear flight control is carried out. According to the method, the composite defect of hysteresis and filtering mismatch of traditional linear control in a strong wind sudden change scene is overcome, stable attitude control of the unmanned aerial vehicle in low-altitude wind shear and gust sudden attack is realized, the anti-interference response speed of the unmanned aerial vehicle is remarkably improved, and the out-of-control risk of the unmanned aerial vehicle is greatly reduced.

The invention discloses a switching control method based on SPWM soft start and a pulse type load LLC resonant converter. The converter mainly comprises an LLC resonant converter, an H-bridge inverter circuit and a load of the H-bridge inverter circuit, and the control method comprises the following steps: setting k-level SPWM modulation in a starting stage to realize smooth soft start of output voltage (k is any positive integer); the load state is accurately judged through an H-bridge switching logic unit, and Burst intermittent control and linear frequency control are adopted for no-load and full-load in a steady state respectively; during load switching, a nonlinear SOTC optimal trajectory controller is adopted to perform two-pulse optimal control, so that the state is transited to a new mode along the shortest trajectory, and a dynamic response optimizer is introduced to compensate the switched frequency according to the state radius error so as to suppress secondary voltage fluctuation. The problems of slow dynamic response, large output voltage fluctuation and the like when traditional linear control faces a pulse type load LLC resonant converter are solved, and the stability and the anti-interference capability of the output voltage of the system are improved.

The invention relates to a primary frequency modulation control method for a pumped storage coupled compressed air energy storage system, and the method comprises the steps: building a frequency modulation control model based on the core component information and operation constraints of the pumped storage coupled compressed air energy storage frequency modulation system, building a state space model, and building a discretization state equation, establishing a comprehensive optimization model by taking the minimum power grid frequency deviation and the system operation cost as targets; and establishing a multi-parameter planning model based on the reservoir level, the gas storage pressure, the frequency deviation and the comprehensive optimization model, and converting a hierarchical model prediction control problem into multi-parameter quadratic programming to form a self-healing frequency modulation strategy to perform power output tracking control. Therefore, the problem that the frequency modulation performance is limited due to the fact that a water pressure system and an air pressure system in the hybrid power station are complex in coupling and large in response difference, and a related linear control strategy or a single control framework is difficult to achieve rapid response and accurate coordination of the hybrid system in the primary frequency modulation process is solved.

The invention discloses a method for setting and controlling a buckle cable adjustment threshold value in large-span arch bridge hoisting construction, which comprises the following steps of: acquiring construction parameters of a current buckle section, and acquiring a corresponding cable adjustment target value; constructing a structural mechanics finite element model of the target buckle cable based on the construction parameters, and introducing a buckle cable multi-harness nonlinear stress mechanism into the model to calculate upper and lower limit thresholds of cable force in the tensioning process; determining an elevation adjustment threshold according to the target axis, the target elevation, the accumulated deviation and the pre-deformation compensation amount in combination with a geometric linear control model; and generating an environmental influence correction coefficient by utilizing construction environmental parameters, and dynamically correcting the cable force and the elevation threshold value to realize real-time updating of the threshold value in the hoisting process. According to the method, the problems of nonlinearity of multiple wire harnesses of the large-span arch bridge buckle cable, high linear sensitivity of the arch rib, remarkable environmental influence and the like are solved, high-precision cooperation of cable force control and linear control is realized, and the safety, controllability and construction efficiency of hoisting construction are improved.

The invention discloses a suspended pouring construction method for a hanging basket of a cable-stayed bridge, belongs to the technical field of bridge construction, and aims to solve the problems of beam section linear deviation caused by deformation of a hanging basket system and bridge tower deviation caused by asynchronous tensioning of stay cables. Performing a staged loading preloading test to obtain elastic deformation data, calculating an anti-arch value based on the data, and dynamically adjusting the elevation of a bottom die platform; a layered pouring process is combined with a real-time deformation monitoring and compensation mechanism, and the accumulated deformation amount is controlled; the longitudinal prestressed steel beams are tensioned in stages, the symmetric tensioning process of the stay cables is synchronously implemented, and bridge tower deviation closed-loop correction is achieved through combination of a displacement sensor and a pressure sensor; in the moving process of the hanging basket, the gravity center offset is monitored, the balance weight is adjusted, and after full-bridge closure, the cable force of the stay cable is optimized in a staged mode to the design state. The method is suitable for large-span cable-stayed bridge girder construction, and high-precision linear control and stable structure forming are achieved.

The invention discloses a walking hanging basket linear control method and system based on visual feedback and application equipment, and relates to the technical field of hanging basket walking monitoring, and the method comprises the steps: obtaining the structural design information of a hanging basket, and obtaining the design information of a construction bridge body; according to the construction bridge body design information, walking route information of the hanging basket structure is formulated in advance; according to the construction bridge body design information, at least one image capturing area is arranged in the direction of the construction bridge body, and the image capturing area is used for collecting the connection state of the construction bridge body and the hanging basket structure. According to the construction real-time connection state of the hanging basket structure and the bridge body, the adjustment amount of the hanging basket structure and the bridge body can be determined; in addition, according to the scheme, the adjustment basis is quite scientific and effective, and the method does not depend on the professional level and adjustment experience of workers singly. The defect that in the prior art, the process for adjusting the position of a traditional hanging basket structure is complex and high in difficulty is effectively overcome.

The invention relates to the technical field of bridge construction, in particular to a bridge super-long stay cable penetrating construction method, which comprises the following steps of: presetting a monitoring point position at a super-long stay cable, installing a tilt angle sensor to obtain pitch and roll angles of a segment, and fixing a tension sensor to measure initial tension at a cable end. A pitch angle, a roll angle, a three-dimensional coordinate and initial tension data are collected in real time at a preset point position of the stay cable, a dynamic response cable body attitude and stress model is constructed in combination with a designed linear control point and an anchoring point space coordinate, traction force distribution and traction point position combination are optimized, synchronous or asynchronous cooperative loading of multiple traction forces is achieved, and the traction force distribution and the traction point position combination are optimized. And in the cable penetrating process, cable body posture control and mechanical response balance are kept. Sensing data and a target parameter interval are continuously compared, a stress closed-loop control mechanism is formed by adjusting a traction force value and a loading rate in real time, and the risks of stress concentration and linear deviation expansion are avoided.

A system and method in a building or vehicle for an actuator operation in response to a sensor according to a control logic, the system comprising a router or a gateway communicating with a device associated with the sensor and a device associated with the actuator over in-building or in-vehicle networks, and an external Internet-connected control server associated with the control logic implementing a PID closed linear control loop and communicating with the router over external network for controlling the in-building or in-vehicle phenomenon. The sensor may be a microphone or a camera, and the system may include voice or image processing as part of the control logic. A redundancy is used by using multiple sensors or actuators, or by using multiple data paths over the building or vehicle internal or external communication. The networks may be wired or wireless, and may be BAN, PAN, LAN, WAN, or home networks.

The invention discloses a two-way output consistency control method for a heterogeneous multi-agent system, and the method comprises the following steps: 1, constructing state and output equations of a follower agent and a leader agent, calculating an output tracking error ei (k), and constructing an augmented system state space model and a linear control input ui (k); 2, designing a distributed bipartite observer for each follower agent to enable an output tracking error ei (k) to be zero all the time, and replacing a leader agent state of the augmented system state space model with a state of the distributed bipartite observer; 3, defining a Q function, solving the Q function to obtain an optimal control strategy, and introducing a Q-learning algorithm to obtain an optimal control gain only depending on an input state of the augmented system state space model; 4, introducing a fuzzy logic system approximation Q function to enable a matrix phi i to meet a full-rank condition, and updating a fuzzy weight by minimizing a Bellman residual error to obtain an optimal control gain of the input state of the augmented system state space model; and updating the control gain by adopting a gradient descent method, and calculating linear control input ui (k) by utilizing the updated control gain.

A system and method in a building or vehicle for an actuator operation in response to a sensor according to a control logic, the system comprising a router or a gateway communicating with a device associated with the sensor and a device associated with the actuator over in-building or in-vehicle networks, and an external Internet-connected control server associated with the control logic implementing a PID closed linear control loop and communicating with the router over external network for controlling the in-building or in-vehicle phenomenon. The sensor may be a microphone or a camera, and the system may include voice or image processing as part of the control logic. A redundancy is used by using multiple sensors or actuators, or by using multiple data paths over the building or vehicle internal or external communication. The networks may be wired or wireless, and may be BAN, PAN, LAN, WAN, or home networks.

A system and method in a building or vehicle for an actuator operation in response to a sensor according to a control logic, the system comprising a router or a gateway communicating with a device associated with the sensor and a device associated with the actuator over in-building or in-vehicle networks, and an external Internet-connected control server associated with the control logic implementing a PID closed linear control loop and communicating with the router over external network for controlling the in-building or in-vehicle phenomenon. The sensor may be a microphone or a camera, and the system may include voice or image processing as part of the control logic. A redundancy is used by using multiple sensors or actuators, or by using multiple data paths over the building or vehicle internal or external communication. The networks may be wired or wireless, and may be BAN, PAN, LAN, WAN, or home networks.

A system and method in a building or vehicle for an actuator operation in response to a sensor according to a control logic, the system comprising a router or a gateway communicating with a device associated with the sensor and a device associated with the actuator over in-building or in-vehicle networks, and an external Internet-connected control server associated with the control logic implementing a PID closed linear control loop and communicating with the router over external network for controlling the in-building or in-vehicle phenomenon. The sensor May be a microphone or a camera, and the system may include voice or image processing as part of the control logic. A redundancy is used by using multiple sensors or actuators, or by using multiple data paths over the building or vehicle internal or external communication. The networks may be wired or wireless, and may be BAN, PAN, LAN, WAN, or home networks.

The invention belongs to the technical field of process control, and discloses a high-speed rail large-span continuous beam linear whole-process control method. Comprising the following steps: collecting continuous beam structure parameter data in real time and cleaning the data to obtain continuous beam construction data; elevation fluctuation interference identification is carried out, and an elevation difference mutation area is output; performing leveling control based on the height difference abrupt change area to obtain leveling correction data; performing stress interference correction to obtain disturbance correction linear data; tensioning plan information is obtained in real time, tensioning offset correction is conducted on the tensioning plan information, and tensioning correction parameter data are generated; construction climate data are collected, tensioning control calibration is carried out on the tensioning correction parameter data, and calibration control stress data are output; zero offset compensation is executed, and monitoring data in the offset restoration process are output; constructing a control strategy based on the monitoring data of the offset repairing process, and sending the control strategy to a preset construction control terminal; and the stability and the data accuracy of linear control are improved.

The invention is applicable to the technical field of data processing, and provides an air adaptive purification control method and device, terminal equipment and a storage medium, and the method realizes dynamic adaptive power adjustment by constructing a pollution gas coupling kinetic model. A historical concentration mean value, a nonlinear response mechanism and periodic change characteristic parameters are introduced into the model, low power can be kept in low pollution, the purification efficiency can be rapidly improved in high pollution, the pollution trend can be pre-judged, the power can be adjusted in advance, and energy waste is avoided. The multi-pollutant synergistic effect is considered, interaction of different gases is treated in a cross term mode, the purification priority is distributed according to hazard index differentiation, and energy consumption generated by excessive treatment of low-hazard pollutants is reduced. According to the method, dual-mode switching is achieved in combination with hazard index comparison, dynamic balance of energy consumption and the purification effect is achieved while the purification effect is guaranteed, compared with a traditional linear control and single pollutant treatment mode, energy consumption control is more intelligent and efficient, and energy consumption of the air purification system can be effectively reduced.

The invention provides a method and a system for accurately positioning a first beam section of a segmental beam by a short line matching method, which are used for optimizing a pier-side bracket opposite-pulling deformed steel bar tensioning construction process, enhancing the stability of a bracket and improving the mounting precision and the construction efficiency of the first beam section; before the first beam section is adjusted, the bracket is pre-pressed, and the influence of non-elastic deformation of the bracket on the positioning accuracy of the first beam section is eliminated; by controlling the axis deviation and flatness of the middle supporting legs, the influence of unbalance loading generated by the kiloton bridge girder erection machine on the line shape of the first beam section is avoided; the centering rod of the prism is regularly self-checked and corrected, so that measurement errors caused by inclination of the centering rod are eliminated; elevation control encryption adopts a zenith distance method, so that the precision is high, and linear control of segmental beam erection is facilitated; before a front auxiliary supporting leg of the bridge girder erection machine is in place and after a pier top block is hoisted, multi-measurement-back displacement monitoring is carried out on a pier body, and the accuracy of a line shape under the working condition is guaranteed. According to the method, the influence of each factor on the positioning precision of the first beam section is eliminated, so that the positioning precision of the first beam section is controlled within a standard allowable range.

The invention relates to the technical field of bridges, and provides a linear control method for girder assembly in incremental launching construction, which comprises the following steps of: temporarily assembling a kth batch of girder sections according to a positioning height difference calculated value on a construction site, and determining an optimal space positioning parameter of a temporary stress-free linear shape when a girder section height difference measured value of each girder section is smaller than a preset threshold value; and welding the kth batch of beam sections, then carrying out incremental launching construction on the kth batch of beam sections in place, when the kth batch of beam sections is not the last batch of beam sections, obtaining a tail beam height difference measured value of the last beam section of the kth batch of beam sections, and determining a positioning height difference calculated value of the first beam section of the (k + 1) th batch of beam sections and positioning height difference calculated values of the remaining beam sections. According to the method, the splicing error construction of each batch is controlled, and the splicing construction of the next batch is guided through the correction of the actual tail end state after the pushing of the previous batch, so that the timely correction of the periodic linear error is realized, and the high-precision linear control of the main beam in the multi-round pushing construction is realized.

The invention discloses a magnesium and aluminum alloy extrusion casting forming process, and belongs to the technical field of metal material forming. According to the technical scheme that injection and mold locking are carried out synchronously, the method is characterized in that 1, after molten metal is injected into a charging barrel, mold filling injection is directly started, mold filling and mold locking are started at the same time, and mold filling and mold locking force is achieved before mold filling is completely finished; after mold filling is completed, extrusion and injection are started, the mold clamping force and the injection force of extrusion are synchronously increased, the extrusion force and the mold clamping force are offset, and the stress of the mold is greatly reduced. Inclined wedge mechanisms are adopted for extrusion pressurization and mold locking, and independent linear control over extrusion force and mold locking force is achieved. The problems of large stress and short service life of the mold caused by nonlinearity of the mold clamping force in the traditional process are effectively solved, and the method has the advantages that the mold clamping force is linearly controllable, the process stability is high and the service life of the mold is long.

The invention relates to the technical field of amplifiers, in particular to a variable gain amplifier with a wide linear gain range and a working method, and the variable gain amplifier comprises the steps that a linear gain generation circuit receives a differential input signal and provides gain-adjustable differential output based on linear control voltage; the linear gain generation circuit comprises at least one stage of variable gain unit which comprises differential input pair transistors MN1 and MN2. The load resistor elements R1 and R2 are connected between the power supply voltage VDD and the drain electrodes of the differential input pair transistors MN1 and MN2; the tail current source MN3 provides bias current for the differential input pair transistors MN1 and MN2; the active load network is connected between the drain electrodes of the differential input pair transistors MN1 and MN2 and the ground; the active load network comprises a control tube MN8, the control tube MN8 works in a sub-threshold region, a grid electrode receives linear control voltage, equivalent impedance of the active load network is enabled to be in exponential change along with the linear control voltage through exponential I-V characteristics, and dB linear gain adjustment of the variable gain unit is achieved.

The invention discloses a control method of an asymmetric CLLC resonant converter adopting mixed control of track control and PI control. PI control is adopted during steady-state operation of the asymmetric CLLC resonant converter, when input voltage fluctuation is detected, trajectory control is introduced, the frequency of the converter entering the steady state again after the input voltage fluctuation is calculated through the geometrical relationship of a state plane, and steady-state errors are eliminated through a PI controller. The method has the advantages that the combination of the state track control and the linear controller can reduce the voltage change of the output side and shorten the adjustment time when the input voltage fluctuates, so that the problem of severe fluctuation of the output voltage caused by the sudden change of the input voltage when the resonant converter operates is solved, the dynamic performance of the converter is remarkably improved, and the reliability of the converter is improved. Finally, the problems existing in the process of designing the linear controller are solved, the problem of voltage abrupt change of the input side is solved, and the requirements for rapidity and stability are met.

The invention discloses a cross arm and insulator installation robot motor control method based on a T-S fuzzy model, and the method comprises the following steps: building a permanent magnet synchronous motor nonlinear model according to electromagnetism and motor dynamics; based on a sector nonlinear method, establishing a permanent magnet synchronous motor T-S fuzzy model; designing an observer to obtain a load torque estimated value; designing an L-infinity robust controller to ensure that the angular velocity of the motor can track a reference instruction; and an anti-control gain matrix solving criterion is formulated, and it is ensured that the system meets performance indexes. According to the method, the nonlinear control problem of the permanent magnet synchronous motor system is effectively solved, the influence of continuous interference signals on the system can be effectively suppressed, and the robustness of the system is enhanced.

The present invention relates to a steel-concrete composite tower segment with a special-shaped curved structure and a manufacturing process. The cross-section of the steel-concrete composite tower is a special-shaped curved cross-section, which is composed of R1m and R3m circular arc curves and transition straight lines. The tower height direction is a variable cross-section and changes in a curve. The tower column segment is composed of a box inner wall panel, a curved outer wall panel, a compartment panel, a box inner connector, and horizontal and vertical steel bars. Advantages: First, it realizes the lofting of complex curved structures; second, it successfully realizes the assembly precision control of the special-shaped curved steel-concrete composite tower segment by adopting plate unit segmentation, special tooling constraints, reference network monitoring, and reasonable assembly sequence, thereby improving the processing and manufacturing technology level of the steel-concrete composite tower; third, it realizes the control of welding deformation of the steel-concrete composite tower segment, which is a breakthrough in the linear control technology of complex special-shaped curved structures; fourth, it adopts different detection methods such as process monitoring, finished product detection, and physical pre-assembly inspection to realize quality precision control of the construction process, thereby ensuring the quality of the final product of the project.

This invention relates to an air flow open-loop control system (20) with the ability to correct for non-linearity in a non-linear actuated damper, resulting in improved precision and less pressure variations when controlling multiple face-dampers (31) and bypass-damper (52) The controller includes a processor that receives data on the damper's position and determines the non-linearity of the damper. The correction module then corrects for this non-linearity so that the damper can be used to steer a linearly proportional air flow based on a linear control signal. The correction module generates a corrected signal for the damper that is indicative of the desired position for the damper that will result in the desired air flow. In operation mode, the processor uses this corrected signal to control the damper and produce a linearly proportional air flow. This invention enables more precise control of HVAC air flow and ensures that non-linearity in the damper does not affect the system's performance.

The invention provides a bridge steel box girder linetype control method based on multistage monitoring and dynamic adjustment. The method comprises the steps that S1, inclination angle data, mileage data and section temperature difference of a bridge steel box girder and coordinate data of all control point positions continuously collected by a sensor network are obtained; s2, constructing a theoretical linear reference curve according to the inclination angle data, the mileage data and the section temperature difference, and generating a deformation vector according to the inclination angle data and the coordinate data; s3, generating an elevation variation vector according to the theoretical linear reference curve and the deformation vector, and introducing a shape function to solve the elevation variation vector so as to obtain a hydraulic adjustment amount; and S4, the hydraulic adjustment amount is input into a PID controller, and synchronous lifting control is conducted on the hydraulic jacks so that the supporting height can be adjusted. The method has the beneficial effects that dynamic lifting control over the hydraulic jack cluster can be achieved, and the control precision is improved.

The invention relates to the technical field of bridge engineering, and discloses a cable force optimization and linear control method in the construction process of a cable-stayed bridge, and the method comprises the steps: constructing a finite element model capable of reflecting the physical characteristics of a structure and a construction risk potential model capable of quantifying the construction constraint; on the basis of weather forecast, structure disturbance potential energy caused by environmental factors in the bridge in a future control period is predicted prospectively; constructing a multi-objective optimization problem taking energy hedging residue minimization and total construction risk potential minimization as objectives, and solving to obtain a time-sequenced cable force adjustment operation sequence; after the cable force adjustment operation is executed on site, the actual response of the structure is monitored through the sensor network. According to the method, future environment disturbance can be resisted prospectively, construction management constraints are brought into optimization decision, adaptive evolution and emerging risk identification of the model are realized through closed-loop feedback, and the accuracy, safety and intelligent level of cable-stayed bridge construction control are improved.

The application discloses a prefabricated steel box girder hoisting linear control system, which comprises a steel box girder tower section base, a hoisting device, a double-hoisting-arm multi-direction adjusting hoist and a controller; the hoisting device comprises a cable hoist driving mechanism, the double-hoisting-arm multi-direction adjusting hoist is connected with the cable hoist driving mechanism and driven to move up and down by the cable hoist driving mechanism; the double-hoisting-arm multi-direction adjusting hoist comprises a first hoisting arm, a second hoisting arm, a first driving rod, a second driving rod and a central ball joint. The application is applied to the steel box girder hoisting construction system through the structural arrangement of the double-hoisting-arm multi-direction adjusting hoist, the steel box girder tower section can be adjusted in the hoisting process, the installation precision of the steel box girder tower section is controlled, the attitude of the steel box girder tower section is basically consistent with the design attitude, the linear control of in-site vertical splicing detection and on-site installation of the tower section steel box girder can be applicable, the workload of air adjustment is reduced, and the linear precision and construction quality of the overall structure are ensured.

The application relates to a single photon avalanche diode front-end circuit for multi-mode detection, which integrates a quenching, delay control and self-resetting module composed of basic MOS tubes, inverters and logic gates. Three control signals are output by a controller to configure modes: in a synchronous gating mode, the related MOS tubes are sequentially controlled to be turned on and turned off in a gating mode; in an asynchronous free-running mode, the related control levels are fixed, and the reset delay is linearly controlled by adjusting the third control signal. The application realizes dual-mode detection by using a single circuit structure, shares the core quenching path, has the advantages of small area, low power consumption and wide adjustable range of dead time, and is suitable for large-scale SPAD array integration.

This invention provides a method and apparatus for temperature control processing in an air conditioner. The method includes: upon detecting that the air conditioner has received a temperature control command, acquiring set temperature data corresponding to the temperature control command and the current initial temperature data of the air conditioner, and determining a target time required for the temperature to change from the current initial temperature data to the set temperature data; processing the current initial temperature data, the set temperature data, the target time, and a preset temperature control curve model to obtain a temperature control curve corresponding to the temperature change from the current initial temperature data to the set temperature data; and performing linear control on the air conditioner based on the temperature control curve, so that the air conditioner tracks the temperature control curve to complete a dynamic temperature control process. The air conditioner temperature control processing method provided by this invention can effectively improve the efficiency and stability of air conditioner temperature control processing and save energy consumption.

The invention relates to a protective circuit (1) for a device or power circuit breaker comprising, • an active controllable component (B1) which can be controlled in a linear range, • at least one measuring device (S P , S U , S i , S Uin , S Uout ) to determine a power output that is implemented in the actively controllable component (B1), • a processing unit (uC), • where an energy equivalent can be determined based on the specified power and a time between two measurements, • where time-separated energy equivalents are combined by the processing unit (uC), • where at least two time-related limit values ​​(G t1 , G t2 , ... G tn ) are planned, • where, upon reaching and / or exceeding a limit value (G t1 , G t2 , ... G tn) by an energy equivalent or the combined energy equivalents in a limit value (G t1 , G t2 , ... G tn ) assigned time the active controllable component (B1) is controlled by the processing unit (uC) in such a way that the current flow through. Furthermore, the invention relates to a method.