109 results about "Equivalent control" patented technology

The invention discloses a coating machine unwinding tension control method which is characterized by comprising the steps that S1, parameters, operation data and tension data of a coating machine are collected, and a state-space equation of an unwinding tension control system is established; s2, constructing an obstacle function; s3, combining the obstacle function and constructing a non-singular sliding mode surface function; s4, solving an equivalent controller for controlling tension according to the non-singular sliding mode surface function; s5, optimizing key parameters of the equivalent controller by using an aurora optimization algorithm; s6, designing a self-adaptive control rate for improving the anti-interference capability of the unwinding tension control system; the adaptive control rate is combined with the equivalent controller, and a total control signal is output; s7, performing unwinding tension control on an unwinding tension control system according to the master control signal; according to the scheme, the speed of dynamic response can be adjusted, finite time convergence is enhanced, steady-state errors are eliminated, singularity is avoided, convergence is accelerated, and therefore high-precision control over an unwinding tension control system is achieved.

The invention relates to the technical field of industrial big data, in particular to a transformer consumption reduction intelligent control method and system based on a power generation end, and the method comprises the steps: building a source-load space-time correlated industrial big data set, determining an operation reference, and synchronously monitoring real-time electrical parameters; load component decoupling is executed, a basic load component is stripped, and a power fluctuation deviation parameter is extracted; reconstructing equivalent control power of a power generation end based on a nonlinear fluctuation compensation strategy; and constructing a power grid energy efficiency function to execute loss minimization optimization, determining a power supply voltage setting value and driving on-load voltage regulation. Through multi-dimensional data fusion and non-linear load reconstruction, the problem that a traditional method is difficult to deal with random fluctuation of the load is solved, collaborative optimization of transformer loss and line transmission loss is achieved, and operation energy consumption of a power supply loop of a power generation end is effectively reduced.

The invention relates to the technical field of power electronics, in particular to a predictive compensation quasi-sliding mode control method for a three-phase four-leg three-level inverter, and the method comprises the steps: building a continuous state space model; discretizing the continuous state space model, constructing a discrete state space model, defining an output error of the output voltage and a derivative of the output error, and defining a sliding mode function based on the output error of the output voltage and the derivative of the output error under the theory of introducing quasi sliding mode control; constructing a prediction model and predicting a sliding mode function value at a next moment, introducing an expansion model to extract a model error, and correcting a defined sliding mode function based on a deviation between a prediction value and the model error; constructing a repetitive controller to extract a periodic error component and generate a compensation signal; and fusing the compensation signal with an equivalent control quantity constructed based on the expansion model to form a final control input for the driving system. According to the method, buffeting can be suppressed to a great extent, the steady-state performance can be optimized, and fast dynamic response is taken into account while the robustness of the system is guaranteed.

The invention belongs to the technical field of artificial intelligence, and discloses an actuator fault performance compensation method for a wind power plant grid-connected interconnection system, and the method comprises the steps: building a dynamic model of a nonlinear interconnection system containing a wind power plant; then, in combination with an actuator fault, constructing a state-space equation of a nonlinear system introducing a neural network; a composite observer with a dynamic event triggering mechanism is constructed, and estimation of the system state, external interference and actuator faults is achieved; according to the output of the composite observer, constructing a sliding mode safety compensation controller for realizing disturbance and fault compensation, and further obtaining an equivalent controller and a switching controller; and constructing a system master controller according to the equivalent controller and the switching controller. According to the invention, comprehensive estimation of the system state, external disturbance and actuator faults can be realized, active compensation of disturbance and faults can also be realized, and the system control stability is improved.

The invention relates to the technical field of permanent magnet synchronous motors, and particularly discloses a permanent magnet synchronous motor low-buffeting terminal sliding mode control method based on adaptive disturbance compensation, comprising the following steps: S01, redefining a motor rotational inertia mathematical model; s02, improving a traditional nonsingular fast terminal sliding mode surface based on nonlinear system representation, and constructing a novel dynamic gain nonsingular fast terminal sliding mode surface; s03, performing derivation on the novel dynamic gain nonsingular fast terminal sliding mode surface, and combining a derivation function with nonlinear system representation to obtain an equivalent control law ieq; and S04, adopting an exponential reaching law isw as a switching control law of the sliding mode controller, and obtaining a novel different fast terminal sliding mode controller model according to an equivalent control principle in combination with the equivalent control law ieq and the exponential reaching law isw. The invention aims to improve the tracking response speed of a position instruction during servo control of the permanent magnet synchronous motor.

The invention discloses a wind power plant equivalent frequency response modeling method considering working condition uncertainty and an equivalence method, belongs to the technical field of power system modeling and equivalence, and aims to solve the problem that no method capable of considering the working condition uncertainty of units in a wind power plant to perform equivalent aggregation on the frequency response of the whole wind power plant exists at present. According to the method, modeling is carried out on the wind speed distribution uncertainty in a wind power plant by adopting a probability method, a wind power plant wind speed distribution scene is generated based on a three-parameter Weibull distribution function, and the working condition uncertainty of each unit is represented; dividing the wind power plant into a non-frequency modulation area, a comprehensive inertia and overspeed load shedding control area and a comprehensive inertia and variable pitch control area according to the wind speed distribution and the corresponding wind speed during fan output; and based on a partitioning result, determining an equivalent influence coefficient and an equivalent control coefficient by utilizing parameters of each wind turbine generator, obtaining a wind power plant equivalent frequency response model considering working condition uncertainty by combining a wind turbine generator frequency response model, and realizing equivalence based on the model.

The invention provides a cooling tower system optimal operation parameter self-adaptive regulation and control method, which comprises the steps of collecting multi-source high-frequency data in a system operation process, and obtaining a standardized variable sequence through normalization, abnormal value processing and time sequence consistency verification. A sliding window mechanism and a lightweight causal discovery algorithm are combined, a causal atlas is dynamically constructed and fused, parameters are corrected in real time through an incremental Bayesian network, a dominant causal path is extracted, lightweight CMA-ES rolling optimization is executed in an equivalent control subspace after dimension reduction, optimal control parameters are solved, system closed-loop adjustment is driven, and the optimal control parameters are obtained. Meanwhile, a map confidence degree evaluation and depth reconstruction mechanism is set, dynamic self-adaption of a causal structure and parameters is ensured, the response capacity of a cooling tower system to working condition changes can be improved, and energy efficiency and operation stability are optimized.

The invention provides a Markov jump-based mechanical arm preset time trajectory tracking control method, which comprises the following steps of: calculating a trajectory tracking error by establishing a two-degree-of-freedom mechanical arm dynamic model with a Markov jump characteristic; a trajectory tracking error is subjected to nonlinear transformation, a nonsingular terminal sliding mode surface is constructed in combination with a preset convergence time upper limit function, and then a control torque is synthesized through an equivalent control item and a robust switching item containing a sliding mode surface sign function and a switching gain to drive a mechanical arm. And the trajectory tracking error is difficult to converge in the preset time.

The invention also discloses an SIDO Boost converter terminal complementary superspiral sliding mode improved active-disturbance-rejection control method. The method specifically comprises the following steps: step 1, establishing a state space averaging model by using a state space averaging method; 2, fitting the state space average model into a standard second-order system normal form; 3, designing a fractional order cascade expansion state observer according to a standard second-order system normal form; step 4, applying the observation value obtained in the step 3 to a terminal complementary sliding mode controller; 5, introducing the super-spiral sliding mode reaching law into the terminal complementary sliding mode; step 6, according to the equivalent control law and the switching control law, obtaining a total control law of the system after summation; and step 7, applying the observer and the controller to a main voltage single closed loop and a branch voltage outer loop and a current inner loop. The problems that a traditional active-disturbance-rejection control method is insufficient in external total disturbance estimation precision of the single-inductor dual-output converter and cross influence exists between two output branches are solved.

The invention relates to the technical field of new energy power generation, in particular to a doubly-fed fan VSC-HVDC (Voltage Source Converter-High Voltage Direct Current) subsynchronous oscillation robust integral predefined time sliding mode control method, which comprises the following steps: S1, establishing a grid-side converter model in a doubly-fed fan; s2, establishing a phase-locked loop model in the doubly-fed fan; s3, constructing an integral sliding mode surface, and obtaining dynamic characteristics and equivalent control input of a sliding mode system; s4, designing approaching control input, and obtaining an integral predetermined time sliding mode control law; and S5, implementing an integral predetermined time sliding mode control law. Compared with a traditional PI control strategy, the robust integral predefined time sliding mode control method for the subsynchronous oscillation of the double-fed fan VSC-HVDC, provided by the invention, has the advantages that the oscillation can be converged in a shorter time, and the robustness is higher.

The invention discloses a cascade control method for a smoke concentration emission value of a coal-fired unit. The method comprises the following steps: establishing a dust removal dynamic characteristic model of a dry electric dust remover and a wet desulfurization tower based on a step test; a cascade control framework is constructed, an inner loop controller directly controls the dry-type electric precipitator, and an outer loop controller generates an inner loop set value according to the deviation between system output and the set value; an inner loop controller and an outer loop controller are set at the same time through a compensation method, on the basis of considering dynamic coupling of the inner loop and the outer loop, parameters of the outer loop controller are designed, the dynamic characteristics of an equivalent controlled object are improved, and then parameters of the inner loop controller are designed according to the dynamic characteristics of the equivalent controlled object; the controller is developed, and the control method is applied in the actual industrial process. According to the method, on the basis that the auxiliary dust removal capacity of the desulfurization tower is fully utilized, dynamic dust removal control over the dry-type electric dust remover is achieved.

This invention discloses an improved integrated winding structure for a bearingless electrically excited doubly salient pole motor, relating to the field of bearingless motor technology. It integrates the levitation winding and excitation winding of a traditional bearingless electrically excited doubly salient pole motor into an integrated levitation winding. A control method is provided to enable the integrated winding configuration of the bearingless electrically excited doubly salient pole motor for power generation and stable levitation. This control method includes a displacement control module, a levitation current calculation module, and a levitation current control module. Stable rotor levitation can be achieved by controlling the levitation winding current. This scheme optimizes the winding arrangement and achieves mutual scheduling of power generation and levitation capabilities through equivalent control. Compared to traditional bearingless doubly salient pole motors, the integrated winding configuration bearingless electrically excited doubly salient pole motor designed in this invention improves the utilization rate of slot space, expands the working range of the bearingless doubly salient pole motor, and its overall operating state is more flexible.

The application discloses a transient overvoltage suppression method and system, relates to the field of overvoltage protection of a power system, and comprises the following steps: constructing a state space expression of a high-voltage direct-current power transmission system; inputting a direct-current current and a receiving-end direct-current voltage into the state space expression to determine an equivalent control quantity; determining a tracking error determined according to the direct-current current and a reference current as a sliding mode quantity; determining a switching control quantity based on a second-order sliding mode super-helix algorithm; determining a super-helix sliding mode constant current control rate according to the equivalent control quantity and the switching control quantity; the super-helix sliding mode constant current control rate meets a constraint condition of Lyapunov stability; substituting the sliding mode quantity into the super-helix sliding mode constant current control rate to determine a rectifier side trigger angle signal; and the rectifier side trigger angle signal is used for inputting a rectifier station to suppress transient overvoltage of a sending-end alternating-current system. The application is easy to implement suppression of the sending-end transient overvoltage, is convenient and simple, and can improve dynamic performance and steady-state performance of the high-voltage direct-current power transmission system.

This invention provides a control method for a lower limb exoskeleton rehabilitation robot based on the sliding mode optimization method, belonging to the field of medical rehabilitation robot control technology. The method includes: establishing a two-degree-of-freedom dynamic model of the lower limb exoskeleton rehabilitation robot, and transforming it into a linear state-space model using feedback linearization technology; designing a linear quadratic regulator (LQR) for the linearized model to obtain the optimal feedback gain matrix; constructing an integral sliding surface containing the optimal feedback gain matrix, so that the equivalent control law of the system in the sliding mode possesses the globally optimal dynamic performance of the LQR; and based on adaptive preset time theory, constructing a sliding mode reaching law and an adaptive gain update law containing novel nonlinear functions to generate the final control torque.

The invention provides a water pressing plate self-calibration fault-tolerant control method and system and a computer readable medium, and relates to the technical field of ship stabilization. The self-calibration fault-tolerant control method for the water pressing plate comprises the following steps: S1, acquiring attitude data of a ship and state data of each actuator; s2, calculating according to the attitude data to obtain a current expected control torque vector, and calculating according to the state data to obtain a current equivalent control efficiency matrix; s3, calculating the current health degree of each actuator according to each piece of state data; s4, according to the current expected control torque vector, the current equivalent control efficiency matrix and each current health degree, current control input data of each actuator is obtained through calculation, and the actuator is suitable for driving the corresponding water pressing plate assembly according to the corresponding current control input data; and S5, the steps from S1 to S4 are repeatedly executed till the ship is in the expected pose.

The invention relates to the technical field of stirring, and provides a stirring device which comprises a barrel body, a cover body, a stirring mechanism and a scraping mechanism. The cover body is arranged on the barrel body; the stirring mechanism is provided with a driving part and a plurality of stirring parts, the driving part is arranged on the barrel body, and the stirring parts are arranged in the barrel body and connected with the driving part; the scraping mechanism is arranged in the barrel body and used for scraping the dipping tool. According to the stirring device provided by the invention, the cover body is arranged on the barrel body, and in the processes of stirring and dipping a lubricant, the cover body is not detached, so that the requirement of subsequent sealed storage of the lubricant is ensured; the stirring mechanism drives a plurality of stirring parts to stir simultaneously through one driving part, fluid vortex can be generated, lubricant mixing is promoted, and therefore the lubricant stirring effect is improved; when the dipping tool dips the lubricant from the barrel body and is taken out for use, the dipping tool is scraped by the scraping mechanism, so that the requirement on equivalent control of dipping the lubricant by the dipping tool every time is met, and the standardized operation of smearing the lubricant is realized.

The invention discloses a permanent magnet synchronous motor sensorless control method based on a sliding-mode observer, and the method comprises the steps: collecting the three-phase current and three-phase voltage of a permanent magnet synchronous motor, and converting the three-phase current and three-phase voltage into a two-phase current component and a two-phase voltage component under a static coordinate system; inputting two-phase current and voltage components into a novel sliding mode observer; according to the novel sliding-mode observer, a sinusoidal saturation switching function is adopted to replace a sign function, and a variable gain function based on cooperative control of a speed error and a state variable is adopted; taking the product of the sine type saturation switching function and the variable gain function as an equivalent control quantity to obtain a back electromotive force estimated value; inputting the back electromotive force estimated value into a phase-locked loop structure, and extracting a rotor estimated electrical angular velocity and a rotor estimated position angle through the phase-locked loop structure; and realizing sensorless vector control of the permanent magnet synchronous motor by using the estimated electrical angular velocity and the estimated position angle of the rotor. According to the method, the problem of phase lag is solved, and effective suppression of rotating speed buffeting is realized.

The application discloses a communication-restricted multi-agent tracking control method for trains, which comprises the following steps: S1, for a high-speed train dynamics model, a train formation dynamics model is designed; S2, a non-singular sliding mode surface is designed, which is brought into a dynamics equation, an equivalent control law and a total control law are designed; S3, a fixed threshold strategy is designed based on a control input signal error, and an event trigger condition is constructed; S4, through information interaction of adjacent vehicles, unmeasured states are estimated by using local measurable states, full-state feedback is provided for a controller, and a distributed observer is designed; the application has the beneficial effects that an improved terminal sliding mode surface is designed by using a non-singular terminal sliding mode surface, wherein the non-singular terminal sliding mode surface is a coprime odd number, fraction exponent irreducibility is ensured, periodic oscillation is avoided, and the singularity problem of traditional sliding mode control in time is eliminated by the fraction exponent term.

The invention discloses a permanent magnet synchronous motor sensorless control method for a variable universe fuzzy sliding mode observer, and the method comprises the steps: obtaining an error equation of the stator current of a permanent magnet synchronous motor based on a stator voltage equation of the permanent magnet synchronous motor under a coordinate system; designing a sliding mode surface function as an error of stator current of the permanent magnet synchronous motor, constructing a sliding mode control rate based on a power reaching law and a switching function, and obtaining a back electromotive force according to an equivalent control principle of a sliding mode; acquiring the position and the rotating speed of a rotor; designing a two-dimensional fuzzy controller, and controlling the change of a power reaching rate parameter by adopting fuzzy reasoning and defuzzification processing; designing a discourse domain scaling factor, and adjusting the discourse domain of the input quantity and the output quantity of the two-dimensional fuzzy controller in real time according to the operation state of the system; and dynamically adjusting parameters of the power reaching rate to realize self-adaptive optimization operation of the sliding-mode observer. According to the embodiment of the invention, the buffeting phenomenon of a traditional sliding-mode observer can be inhibited, and the observation precision and robustness of the sliding-mode observer are improved.

This invention discloses a Boost converter control method based on adaptive second-order sliding mode, belonging to the field of power electronic converters. This control method can suppress external disturbances, making the system insensitive to parameter uncertainties and improving system stability and robustness. The main steps are: 1. Considering the external disturbances and parameter uncertainties present in the actual operation of the Boost converter, a more realistic mathematical model is established; 2. Using voltage deviation as the sliding variable, a suitable sliding surface is designed to establish the equivalent sliding mode controller for the Boost converter; 3. An adaptive law is designed to establish an adaptive second-order sliding mode controller. The advantages of this invention are: First, the introduction of the adaptive law effectively handles system parameter uncertainties and unmodeled coupled perturbations, improving the system's anti-interference capability; Second, this control method improves steady-state accuracy and convergence speed, effectively reducing chattering problems.

The invention relates to the technical field of permanent magnet synchronous motors, in particular to a permanent magnet synchronous linear motor time delay position tracking control method and system. A PMSLM kinematic model considering parameter uncertainty, friction and external disturbance under an orthogonal axis coordinate system is established, and through high-order expansion and same-order equivalent processing, a position tracking error dynamical model is obtained through derivation. And constructing a monotonic error transformation function and introducing nonlinear sliding mode error dynamics to complete the equivalent control law design of the expectation error convergence characteristic. Historical delay input signals are collected by using a system sampling period, and the lumped uncertainty of the system is estimated on line based on a time delay hypothesis. And defining a time delay estimation error, introducing a sliding mode variable and designing an adaptive gain correction term so as to inhibit the influence of the delay estimation error on the dynamic performance of the system. According to the invention, high-precision and low-buffeting position tracking control of the PMSLM servo system under the conditions of uncertain disturbance and time delay is realized, and the servo accuracy of the permanent magnet synchronous linear motor is optimized.

The application discloses a nonlinear chatter control method considering high dynamic low hysteresis loop and micro-motion characteristics of a proportional valve, and belongs to the proportional valve control field. The application obtains a detection signal of a controlled proportional valve in real time, carries out mean filtering processing on the real-time detection signal to filter out a chatter part, and obtains a basic detection signal; a controller obtains a pre-valve and post-valve pressure difference of a current proportional valve, a target control signal current and the basic detection signal; the frequency and amplitude of a driving control signal and an optimal chatter control signal are obtained; the driving control signal and the chatter control signal complete addition operation in the controller to obtain an equivalent control signal, and the control of the controlled proportional valve is realized. The application method is applied to a closed loop feedback link, and can greatly reduce the hysteresis loop. Under the control method of the application, the valve core will always be in a macro-stable and micro-dithering state, so the speed of responding to the control signal is faster, the dead zone and saturation zone range of the proportional valve current-displacement curve will be reduced, and the linearity is higher.

The application provides a urea injection amount control method, device, equipment and medium for a marine diesel engine SCR system. The method comprises the following steps: obtaining NOx conversion error and control parameter value of the marine diesel engine SCR system at a previous moment; determining control parameter value of the marine diesel engine SCR system at a current moment by a sliding mode adaptive controller according to NOx conversion error and control parameter value at the previous moment; and controlling urea injection amount by a PID controller according to the control parameter value at the current moment. X target conversion rate, NOx conversion error and control parameter value at the previous moment X target conversion rate, NOx conversion error and control parameter value at the previous moment X target conversion rate, NOx conversion error and control parameter value at the previous moment X target conversion rate, NOx conversion error and control parameter value at the previous moment X target conversion rate, NOx conversion error and control parameter value at the previous moment X target conversion rate, NOx conversion error and control parameter value at the previous moment X target conversion rate, NOx conversion error and control parameter value at the previous moment X target conversion rate, NOx conversion error and control parameter value at the previous moment X target conversion rate, NOx conversion error and control parameter value at the previous moment The method improves urea injection amount control precision.

This invention discloses a method for optimizing the active power of a virtual synchronous machine connected to the grid based on frequency feedforward compensation. This optimization method, based on the traditional equivalent control block diagram of the active power of a virtual synchronous machine connected to the grid, improves the transient damping of the virtual synchronous machine and its ability to suppress dynamic oscillations of the active power during grid connection by adding a frequency feedforward compensation stage. It solves the problem that the dynamic characteristics of the active power during grid connection and the primary frequency regulation characteristics cannot be simultaneously considered in the process of providing a certain amount of virtual inertia support to the grid during the operation of a traditional virtual synchronous machine connected to the grid. It also has the advantages of not affecting the primary frequency regulation characteristics, simple control parameter design, not increasing the order of the control system, and avoiding overshoot in the output frequency. It is applicable to the field of virtual synchronous machine grid connection control in power electronics technology.

This invention relates to the field of permanent magnet synchronous motor (PMSM) technology, specifically a time-delay control method, system, and medium for PMSLM motors based on adaptive gain dynamics. A dynamic order model of the PMSLM motor position-current dual closed-loop system is established, the position tracking error is defined, and the position error dynamic equation is derived. The desired position tracking error dynamics are designed, and the equivalent control law for time delay is solved based on the equivalent control concept. The system lumped uncertainty is estimated and filtered online using a time delay estimation method, achieving effective compensation for parameter uncertainties, external disturbances, and unmodeled dynamics, resulting in a time delay control law under fixed gain. Adaptive gain dynamics based on Lyapus stability analysis is introduced to achieve online adaptive adjustment of the control gain. This invention realizes servo control and optimization of PMSLM motors based on adaptive gain dynamics, significantly improving the motor's position tracking accuracy, robustness, and adaptability to different operating conditions.

The application discloses a sensorless control method of a permanent magnet synchronous motor based on a sliding mode observer, and comprises the following steps: collecting three-phase currents and three-phase voltages of the permanent magnet synchronous motor and converting the three-phase currents and three-phase voltages into two-phase current components and two-phase voltage components in a stationary coordinate system; inputting the two-phase current components and two-phase voltage components into a novel sliding mode observer; the novel sliding mode observer adopts a sinusoidal saturation switching function to replace a sign function, and adopts a variable gain function based on speed error and state variable cooperative control; taking the product of the sinusoidal saturation switching function and the variable gain function as an equivalent control quantity to obtain an estimated back electromotive force value; inputting the estimated back electromotive force value into a phase-locked loop structure, and extracting an estimated rotor electric angular velocity and an estimated rotor position angle through the phase-locked loop structure; and realizing sensorless vector control of the permanent magnet synchronous motor by using the estimated rotor electric angular velocity and the estimated rotor position angle. The method solves the problem of phase lag and realizes effective suppression of speed chattering.

This invention relates to the field of thermal management technology for explosion-proof electrical equipment, and discloses an explosion-proof enclosure air-driven semiconductor heat dissipation system. The system includes an explosion-proof enclosure with an inner wall semiconductor thermally conductive layer and an aluminum nitride insulating layer sequentially fixedly connected inside. Heating devices are installed inside the enclosure. Semiconductor connectors pass through the side walls of the enclosure, connecting the inner and outer wall semiconductor thermally conductive layers to create a solid-state heat conduction path across the explosion-proof boundary. A fixed multi-directional airflow hood and an explosion-proof flow regulating valve are installed on the outside of the enclosure. A PLC controller calculates the equivalent control temperature based on temperature data collected by multi-node temperature sensors and controls the regulating valve to adjust the airflow entering the hood, performing convective heat transfer to the heat leaving the outer wall. Explosion-proof thermally conductive sealant and mechanical seal components are used to seal the enclosure perforations and interfaces. This invention solves the problem of limited heat dissipation of heating devices in a fully enclosed space without compromising the mechanical explosion-proof integrity of the equipment.

The invention belongs to the field of power system load frequency control, and relates to a cooperative frequency regulation system and method for a multi-zone-area interconnected power system. The method comprises the following steps: acquiring an area control error of each area according to inter-area tie line power deviation and system frequency deviation; constructing a memory output signal based on the historical data of the transformer area state; based on the memory output signal and the system state, utilizing a preset sliding mode surface function and solving according to a sliding mode control theory to obtain an equivalent control signal; and according to the equivalent control signal and a preset participation weight, generating and issuing a control instruction aiming at the traditional generator set, the electric vehicle cluster and the battery energy storage system so as to cooperatively adjust the system frequency. According to the system, cooperative adjustment of various heterogeneous resources in a multi-zone-area interconnection system is realized, the frequency adjustment effect is improved, the adjustment potential evaluation precision is improved, the accuracy and stability of frequency adjustment can be ensured, and the new energy consumption capability and operation flexibility of a power grid are effectively improved.

The application discloses a kind of wind generating set yaw lubrication control mechanism and system, wind generating set yaw lubrication control mechanism designed by the present application, lubricating oil is transported from the main pipe in the delivery pipe by electric lubricating pump, and then from the main pipe to each branch pipe, in this process, the delivery of lubricating oil needs to be regulated, while ensuring the quality of lubrication, avoid assembly resource waste, improve lubrication work economic benefit;And by setting the equivalent control mechanism, the lubricating oil can be delivered quantitatively, so that the single lubrication amount is within the best lubrication range, and the auxiliary mechanism can be set to adsorb and recover the lubricating oil adhered in the equivalent control mechanism, mainly by adsorbing cotton ball for cleaning and adsorption, and it is convenient to replace and recover, avoid unnecessary waste, save resources, improve the overall lubrication work efficiency.