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189 results about "Operating cycle" patented technology

Optimization method and system for manipulator control system

The embodiment of the invention provides an optimization method and system for a manipulator control system, and the method comprises the steps: firstly obtaining an operation data set containing a control instruction sequence and corresponding motion state data in a historical operation period of a manipulator, carrying out the feature extraction of the operation data set, and obtaining an associated motion feature set; calling a pre-trained control strategy optimization model to analyze and generate strategy adjustment parameters, adaptively updating the control instruction sequence of the current operation task according to the strategy adjustment parameters to obtain a target control instruction sequence, and finally inputting the target control instruction sequence into a control system to execute operation. And real-time motion state data is collected for subsequent iterative optimization, so that the performance of the manipulator control system can be continuously improved, and the operation precision and efficiency are improved.
Owner:GUANGZHOU KEYI PRECISION MACHINERY EQUIPMENT CO LTD

Liquid silica gel injection molding process optimization method and system

The invention relates to a liquid silica gel injection molding process optimization method and system in the field of intelligent manufacturing, and the method comprises the steps: obtaining mold structure data adaptive to a shrinkage rate, combining geometric characteristics of a complex structure product, adopting a topological optimization algorithm to redesign a parting surface and a demolding path, and determining a lossless demolding mold parting scheme; whether the product damage risk is lower than a preset threshold value or not is judged by simulating stress distribution of the demolding path, and if the product damage risk is lower than the threshold value, final mold manufacturing parameters are generated, and an optimized production process configuration file is obtained; extracting production rhythm data from the optimized production process configuration file, dynamically adjusting the operation cycle of the injection molding machine in combination with the demolding efficiency monitored in real time, and determining equipment parameter configuration for efficient mass production; and generating a control instruction sequence according to the equipment parameter configuration, and transmitting the control instruction sequence to the injection molding equipment and the mold heating system through the industrial Internet of Things to obtain operation state data of the automatic production line.
Owner:DONGGUAN ZHERUNTAI ELECTRONICS CO LTD

Parameter adjustment method, component, processor, equipment, medium and product

The invention discloses a processor working parameter adjusting method and assembly, a processor, equipment, a storage medium and a program product, and the method comprises the steps: obtaining the current working parameter, the current temperature and the current power consumption of the processor; determining current load data by utilizing the current working parameters, the current temperature and the current power consumption based on a power consumption calculation strategy corresponding to the processor; the current load data represents the load condition of the processor; determining working parameters of the processor in the next operation cycle by using the current load data, the current temperature, preset target power consumption and the power consumption calculation strategy; wherein the power consumption calculation strategy is used for calculating the corresponding power consumption by using the voltage and the frequency obtained based on a voltage-frequency mapping relation obtained based on pre-training.
Owner:MOORE THREADS TECHNOLOGY (SHANGHAI) CO LTD

Air conditioner, control method thereof and computer storage medium

The invention discloses an air conditioner, a control method thereof and a computer storage medium. The control method of the air conditioner comprises the steps that environment parameters in a working space when the last cycle of operation of the air conditioner is finished are obtained; according to the environment parameters in the working space, the operation duration of the air conditioner in the period is determined; acquiring operation parameters of the air conditioner in the period; and the air conditioner is controlled to operate according to the operation parameters of the period until the operation duration of the period is reached. According to the method, the running duration of each running cycle is matched with the current environment, the air conditioner equipment runs according to the running cycle designed in this way, the purpose of rapidly adjusting air can be achieved, the running condition of over-reaching temperature or under-reaching temperature is avoided, and the running burden of an air conditioner server side can be relieved.
Owner:GD MIDEA AIR CONDITIONING EQUIP CO LTD

Automobile production line parameter monitoring and early warning method based on dynamic threshold and multi-dimensional comparison

The invention discloses an automobile production line parameter monitoring and early warning method and system based on dynamic threshold and multi-dimensional comparison. The method comprises the following steps: completing deployment of a sensor device for data acquisition and construction of a data set; constructing a model infrastructure, wherein an input layer synchronously receives a process card parameter vector, an equipment state vector and a process-equipment association feature vector; a time sequence segmentation learning mechanism is introduced into the LSTM layer, and data fragments are divided according to the equipment operation cycle; the model processing layer adopts a dynamic weight adjustment mechanism, and the Attention layer firstly endows features at different moments and in different equipment states with basic weights, and then carries out real-time calibration according to the abnormal contribution degree of each feature in historical early warning data; the output layer calculates and outputs the probability value of the actual parameter meeting the process requirement through a Softmax function; and taking a probability value output by the model as a core, establishing a hierarchical early warning response mechanism and matching a standardized process. And long-term accurate monitoring and efficient early warning of the parameters of the automobile production line are realized.
Owner:东风设备制造有限公司

Version control system

A version control system implemented in software and executed by one or more processors that provides for change set integration for diverse types of objects. The system may be configured to handle a wide range of objects of different types committed to the version system by storing and / or versioning the objects, change sets, and complex relationships between objects and object dependencies. Unified support for development operations may be provided as assets under version control may optionally be deployed, rolled back, compared to a corresponding live environment, and tested thus providing for sophisticated development and operational cycles. The system provides automatic and / or semi-automatic object integration such as may be useful for continuous development and integration and feature based development.
Owner:CROSSVISTA INC

System for supplying gaseous fuel

A system for supplying gaseous fuel to a fuel consumer at a desired supply pressure from a fuel source within which fuel is stored at a storage pressure different from the supply pressure comprises at least two variable volume chambers, and valving for connecting each of the variable volume chambers cyclically and alternately to the fuel source and consumer. During each operating cycle, the valving connects a first of the variable volume chambers to the fuel consumer to supply fuel at the desired supply pressure and connects a second of the variable volume chambers to the fuel source to introduce a quantity of fuel at the storage pressure. The volume of the second variable volume chamber is changed after the introduction of the quantity of fuel therein to change the pressure from the storage pressure to the supply pressure in readiness for an ensuing cycle.
Owner:METIER VENTURES LTD

CONTROL DEVICE AND METHOD FOR ADJUSTING A BASIC OPERATING STRATEGY FOR TEMPERATURE CONTROLLING A VEHICLE INTERIOR AND / OR A TRACTION BATTERY OF AN ELECTRICALLY POWERED MOTOR VEHICLE

A control device (1) is provided for adapting a basic operating strategy for temperature control of a vehicle interior (11) and / or a traction battery (12) of an electrically powered motor vehicle (10). The control device (1) is designed to detect at least one operating situation of the motor vehicle (10) by observing at least one operating cycle of the motor vehicle (10) (S1), and, after the at least one operating situation has been detected, to predict (S2) an upcoming operating situation of the motor vehicle (10) if it corresponds to the at least one operating situation, and to temporarily adapt the basic operating strategy for the upcoming operating situation (S3) if the upcoming operating situation corresponds to the at least one operating situation.
Owner:BAYERISCHE MOTOREN WERKE AG

Wind tunnel balance automatic calibration frame control method, device and system and storage medium

The embodiment of the invention provides a wind tunnel balance automatic calibration frame control method, device and system and a storage medium, the balance automatic calibration frame is provided with a plurality of reset units and a plurality of weight loading units, and the method comprises the following steps: executing the following operations in an operation period: according to an externally input instruction and a preset loading table, setting a preset loading table according to the preset loading table; generating a weight loading instruction; respectively sending the weight loading instructions to corresponding weight loading units; receiving pose change information collected by a preset sensor; generating a deformation recovery instruction according to the pose change information; the deformation recovery instructions are sent to the corresponding reset units respectively; and a plurality of operation cycles are repeated until the accuracy of weight loading and deformation recovery reaches a preset value. According to the technical scheme provided by the invention, the problem of repeated adjustment in the deformation recovery and weight loading process is solved, so that the test efficiency is improved.
Owner:CHINA ACAD OF AEROSPACE AERODYNAMICS

System and method for preserving the contents of beverage containers

A method of preserving a liquid in a container comprises connecting a fluid flow line between a headspace of the container and a pressure modifying means and performing an operating cycle of the pressure modifying means during which the dynamic pressure in the fluid flow line is measured and compared to an initial target dynamic pressure value Pt. At the end of the operating cycle, a static pressure is measured in the fluid flow line and a pressure correction Pcorr is applied to the initial target dynamic pressure value to obtain an updated target dynamic pressure value Pt′ for use in a subsequent operating cycle of the pressure modifying means. The pressure modifying means may be a vacuum pump for the preservation of still wines, or a gas supply for the preservation of sparkling wines. A corresponding system is also disclosed.
Owner:BERMAR INT

METHOD FOR DETECTING THE ARRIVAL OF A LIQUID FRONT IN A VALVE

The invention relates to a method for detecting the arrival of a liquid front in a valve (10) comprising: - a step of applying a control signal (Uper) to the valve so as to continuously switch the valve (10) between two switching positions, namely an open position and a closed position, the duration between the transition from one switching position to the other corresponding to one operating cycle, - a step of measuring at least one parameter of an electrical signal (Irep) of the valve (10) during each operating cycle, and - a step of detecting the arrival of a liquid front in the valve (10) based on a temporal change in the parameter of the electrical signal (Irep) of the valve (10). Figure 1
Owner:INSIDE THERAPEUTICS SAS

Aero-engine vibration examination test method and system

This invention belongs to the field of aero-engine vibration testing technology, and specifically relates to a method and system for aero-engine vibration assessment testing; it includes: determining the most severe vibration environment for the components; determining the engine rotor dwell speed and dwell time at the dwell speed; formulating a vibration assessment test spectrum based on the engine rotor dwell speed and dwell time; conducting a whole-engine test based on the most severe vibration environment for the components and referring to the vibration assessment test spectrum; generating an engine speed versus vibration curve based on the engine whole-engine test measurement data, and formulating component vibration limit values; conducting the component vibration assessment test on the whole engine, and the whole engine used for the component vibration assessment test simulates the maximum possible vibration environment and test temperature of the components across the entire operating cycle and speed range; making the installation and vibration environment more consistent with actual engineering conditions.
Owner:AECC HUNAN AVIATION POWERPLANT RES INST

Fuel injection system

Fuel injection system comprising (i) a plurality of injectors, the plurality of injectors comprising at least two injectors (40, 50), the plurality of injectors being configured to inject gaseous fuel into an engine (20), (ii) a fuel tank (30) being configured to store gaseous fuel, and (iii) a delivery line (312, 313) being configured to supply gaseous fuel from the fuel tank to each of the plurality of injectors, the fuel injection system comprising: a wear amount estimation unit (72) configured to estimate a wear amount of each of the plurality of injectors; and a determination unit (73) configured to determine, based on the wear amount of each of the plurality of injectors estimated by the wear amount estimation unit, which of the plurality of injectors is preferably operated; and wherein the wear amount estimation unit is further configured to estimate the wear amount of each of the plurality of injectors based on a cumulative number of operating cycles of each of the plurality of injectors; and wherein The determining unit is further configured to calculate a subtraction value, obtained by subtracting the cumulative number of operating operations from a predetermined number of operating operations, for each of the plurality of injectors and preferably to operate one of the plurality of injectors that has the largest subtraction value.
Owner:DENSO CORP

Transmission feeding mechanism for overload protector assembly production line

The invention relates to the technical field of conveying structures, in particular to an overload protector assembly production line conveying and feeding mechanism which comprises a plurality of bearing tables used for bearing protectors and a conveying structure used for conveying the bearing tables. The conveying structure comprises a first guide rail set, a second guide rail set, two transfer units and a transfer table, wherein the first guide rail set and the second guide rail set are distributed front and back and parallel to each other, the two transfer units are distributed left and right, the transfer table can reciprocate between the first guide rail set and the second guide rail set, and the two transfer units are both arranged on the transfer table. By means of the protector conveying and feeding device, the defect that conveying and feeding are tedious in the protector assembling process is effectively overcome, the bearing table can carry the protectors to directly and sequentially pass through all the assembling stations, the protectors on one station do not need to be repeatedly grabbed and transferred to another station, the conveying mode is effectively simplified, the protector conveying work is simpler, and the production efficiency is improved. And the single operation period is shortened.
Owner:JIANGSU CHANGSHENG ELECTRIC APPLIANCE

A speed control system, control method and controller for a steam-driven feedwater pump

This application discloses a speed-up control system, control method, and controller for a steam-driven feedwater pump. The speed-up control system includes a PID controller, a start-up control valve, a load control valve, and a controller. The PID controller has an 8-second operating cycle and a dead zone of 15 revolutions. The controller controls the load control valve to be fully open and reduces the opening of the start-up control valve based on the output value of the PID controller, causing the pump speed of the steam-driven feedwater pump to increase from the turning gear speed to a first target speed. When the pump speed of the steam-driven feedwater pump reaches the first target speed, the start-up control valve is controlled to be closed. The opening of the load control valve is reduced, causing the pump speed of the steam-driven feedwater pump to increase from the first target speed to a second target speed. In this embodiment, by setting the operating cycle of the PID controller to 8 seconds, the number of output changes of the PID controller is reduced, thereby increasing the service life of the start-up control valve.
Owner:CHINA TECHENERGY

Method for controlling sewing machine to sew cloth at low speed without throwing thread

The invention relates to a low-speed non-throwing control method for sewing cloth by a sewing machine, a needle and a take-up lever of the sewing machine are driven by a main shaft, and the method comprises the following steps: S1, determining a non-throwing safe aperture D1; determining the time tD required from the time when the machine needle upwards leaves the cloth to the time when the needle eye hole shrinks to the non-throwing thread safe aperture D1; s2, recording AT / T = omega n; in one operation cycle, determining an angle A1 corresponding to the main shaft when a machine needle upwards leaves the cloth, and determining an angle A2 corresponding to the main shaft when the take-up lever finishes the take-up action; s3, setting a function omega = f (A) of the angular velocity of the main shaft with respect to the angle of the main shaft in one operation cycle, and satisfying the following conditions: f (0) = f (AT), f (A) is continuously derivable, and f '(0) = f' (AT); in the interval of 0-A1, omega is increased to omega n and continues to be increased; when t1 = A1 / omega n, the angle of the main shaft is A1; the time t2 for rotating to A2 meets the condition that t2-t1 < = tD; the main shaft angle is AT at the time T; and S4, in one operation cycle, the angle of the main shaft is obtained in real time, and the main shaft is controlled to rotate through the function relation omega = f (A).
Owner:JACK SEWING MASCH CO LTD

A method for regulating and controlling the temperature of a heat storage chamber based on a heat storage combustion device

The present invention discloses a heat storage chamber temperature regulation control method based on a heat storage combustion device, comprising: setting a temperature sensor on the upper layer of each heat storage chamber in the heat storage combustion device, determining the heat storage chamber with the highest temperature and the heat storage chamber with the lowest temperature at this moment according to the temperature sensor, using the heat storage chamber with the highest temperature as the air inlet chamber, using the heat storage chamber with the lowest temperature as the air outlet chamber, and finding the operation cycle corresponding to the heat storage combustion device to be updated according to the air inlet chamber and the air outlet chamber; calculating the temperature difference between the heat storage chamber with the highest temperature and the heat storage chamber with the lowest temperature, finding the cumulative multiple of the corresponding valve group switching according to the temperature difference, and determining the operation cycle time corresponding to the heat storage combustion device; determining the current operation cycle of the heat storage combustion device, and changing the operation cycle time corresponding to the heat storage combustion device to be updated according to the update strategy. This method is helpful to achieve the unity of pollution reduction and carbon reduction.
Owner:NJU ENVIRONMENTAL TECHNOLOGIES OF NANJING UNIVERSITY JIANGSU CO LTD

Firmware control providing a soft stop on compression drive nailer

A method for controlling a motor of a power tool including performing a load test on a battery pack of the power tool, determining, via a first controller, a first mechanism control scheme based on the load test, receiving, via the first controller, a user input indicative of beginning an operation cycle of the power tool, and isolating the first controller from a second controller. The method further including controlling, via the first controller, the motor based on the first mechanism control scheme, sensing a dataset indicative of a result of the operation cycle based on the first mechanism control scheme, receiving, via the second controller, the dataset, connecting the first controller to the second controller upon completion of the operation cycle, transmitting, via the second controller, the dataset to the first controller, and determining, via the first controller, a second mechanism control scheme based on the dataset.
Owner:TECHTRONIC CORDLESS GP

Compressor and method for controlling same

This compressor is capable of effectively reducing a stopping pressure in accordance with operation cycle time regardless of whether or not continuous operation by an unload function or a variable speed function by an inverter is included. A compressor 100 comprises an electric motor 104, a compressor body 103 that is driven by the electric motor 104 and that generates compressed gas 109, a tank 10 that stores the compressed gas 109 generated by the compressor body 103, a pressure detector 112 that detects the pressure of the compressed gas 109 in the tank 107, and a control unit 115 that controls, in accordance with a detection result from the pressure detector 112, electricity to be supplied to the electric motor 104. The control unit 115 determines whether or not a pressure increase / decrease cycle (TOFF+TON), in which the pressure reaches a stopping pressure 202, decreases to a starting pressure 204, and reaches the stopping pressure 202, exceeds a first cycle threshold value 210, and, when the pressure increase / decrease cycle exceeds the first cycle threshold value 210, lowers the stopping pressure by a first pressure change value (PECO or 2PECO).
Owner:HITACHI IND EQUIP SYST CO LTD

Methods and apparatus for controlling the compressor in an air conditioning system

This application provides a method and system for controlling compressors in an air conditioning system. The method includes controlling N compressors of the air conditioning system to operate in several operating cycles. The method of controlling the N compressors to operate in one of the several operating cycles includes setting an operating cycle for the N compressors, setting a threshold X for the operating time of the N compressors, and within one operating cycle, loading and running all N compressors at least once. If all N compressors are loaded and have accumulated the operating time of the threshold X, then one operating cycle ends and the next operating cycle begins. This application ensures that multiple compressors are loaded and run for the same amount of time in each operating cycle, thereby ensuring that multiple compressors operate evenly within each operating cycle, and thus all compressors operate evenly across several operating cycles. Therefore, this application can achieve uniform compressor wear and extend the lifespan of the air conditioning system.
Owner:YORK GUANGZHOU AIR CONDITIONING & REFRIGERATION CO LTD +1

Method for diagnosing operation of active air flow regulation system

The present invention relates to an active air flow regulation system and a method for diagnosing the operation of an active air flow regulation system of a vehicle, the active air flow regulation system comprising: a blocking mechanical member; -an electromechanical system provided with a housing accommodating a magnetic motor driven by the control circuit and coupled to a movement conversion device for moving the blocking mechanical member; -an electronic communication line for exchanging information with or receiving commands from a DCU (8) of the vehicle, characterized in that the method comprises a series of steps comprising:-during an operational cycle of the active air flow regulation system, storing in the memory a sequence of values S of data, the data is acquired by a control circuit in the electromechanical system; applying an algorithm statistical analysis model to the sequence of values of data stored in the memory in order to determine singular points; -identifying an accidental error associated with the singular point in order to provide information about the state of the active air flow regulation system.
Owner:SONCEBOZ MOTION BONCOURT SA

Method for operating a direct-injection gas combustion engine, in particular a hydrogen engine

The invention relates to a method for operating a direct-injection gas combustion engine (2), in particular a hydrogen engine, wherein in a first operating cycle (A1) a post-injection (202) is to take place at a first time (t1) and in a second, immediately subsequent operating cycle (A2) a main injection (201) is to take place at a second time (t2), the method comprising a determination of a distance (t A ) between a third time point (t3), defined by an end of the combustion of the post-injection (202), and the second time point (t2), a comparison of the determined distance (t A ) with a lower distance threshold, if the specified distance (t A) does not fall below the lower distance threshold, perform the post-injection (202) in the first work cycle (A1) at the first time (t1) and perform the main injection (201) in the second, immediately following work cycle (A2) at the second time (t2), and if the determined distance (t A ) falls below the lower distance threshold, increasing the distance (t A ) between the third time (t3) and the second time (t2).
Owner:ROBERT BOSCH GMBH

Radial piston pump array transmission system for wind turbines

The present invention discloses a radial piston pump array group transmission system for a wind turbine, comprising a rotor assembly, wherein the rotor assembly comprises a rotating sleeve, wherein a plurality of transmission rings distributed at equal distances are fixedly mounted coaxially on the outside of the rotating sleeve, and the outer peripheral surface of each transmission ring is a cam roller track with periodic undulations; a plurality of radial piston pumps at fixed positions are distributed in a circumferential array on the outer periphery of each transmission ring; during the rotation of the transmission ring, the periodic undulating cam roller track drives the plunger in each radial piston pump to reciprocate via a transmission member; the present invention improves the output displacement under low speed working conditions by increasing the number of times the plunger acts in a single operating cycle of the rotor, thereby increasing the number of times the plunger acts and the number of cylinders.
Owner:郝文杰

Servo Continuous Interpolation and Curve Parametric Control Method Based on Mitsubishi PLC System

This invention discloses a servo continuous interpolation and curve parameterization control method based on a Mitsubishi PLC system, relating to the field of CNC motion control technology. The method includes process parameter conversion and interpolation execution: The system receives user-inputted process parameters at a human-machine interface, including at least the target bending angle; the PLC main controller automatically calculates the coordinate parameters required for the motion control module to execute the interpolation motion based on a preset geometric model and the process parameters. This application lowers the operational threshold by encapsulating complex mathematical coordinate calculations within the program, allowing operators to interact only with intuitive process parameters, enabling even non-professionals to quickly and accurately debug equipment. This application also improves equipment efficiency and flexibility: intelligent continuous interpolation judgment reduces unnecessary starts and stops, increases equipment operating cycle time, and one-click switching between linear / circular modes enhances the equipment's ability to handle different processes.
Owner:ANHUI KINGPOWER EQUIP & MOLD MFR

Vibration suppression device, robot system, and vibration suppression method

PCT designated stageWO2025163748A1ManipulatorRobotic systemsClassical mechanics
A vibration suppression device (2) suppresses vibrations of a robot (3) that has: a sensor (24) which detects a state of the robot (3); a robot controller (21) which, on the basis of a state detection value output by the sensor (24) and a set operation procedure, outputs an operation command; and an actuator (22) which operates a mechanism (23) in accordance with the operation command. The vibration suppression device (2): outputs, to the robot controller (21), an identification command pertaining to an operation of the mechanism (23) when a system characteristic that is a characteristic of the mechanism (23) is identified; generates, on the basis of the system characteristic that is identified on the basis of a state detection value which is output by the sensor (24) when the mechanism (23) operates according to the identification command, a stability command that avoids an unstable operation cycle, which is an operation cycle of the mechanism (23) at the time when the operation of the mechanism (23) becomes unstable; and suppresses vibrations of the mechanism (23) by outputting the stability command to the robot controller (21).
Owner:MITSUBISHI ELECTRIC CORP

Environmental evaluation and early warning system for wind power plant

The invention relates to the technical field of wind power plant environment evaluation, and discloses an environment evaluation and early warning system for a wind power plant, which comprises a setting module used for presetting environment evaluation indexes of operation cycles including an evaluated operation cycle and an unevaluated operation cycle; the evaluation module is used for calculating an environment sub-evaluation difference value of the evaluated operation cycle; the early warning module is used for judging whether an early warning instruction is generated or not based on the environment sub-evaluation difference value and the predicted environment sub-evaluation value; the simulation module is used for generating a first management optimization strategy based on the environment sub-evaluation difference value, the predicted environment sub-evaluation value and a preset objective function if the early warning instruction is generated, and performing analogue simulation to obtain a simulated environment sub-evaluation value; the correction module is used for judging whether the first management optimization strategy is corrected or not according to the simulation environment sub-evaluation value, if yes, a second management optimization strategy is obtained, and the negative influence on the environment is reduced to the maximum extent while the resource utilization rate is improved.
Owner:HUANENG DAQING RANGHU ROAD CLEAN ENERGY CO LTD

Method of repairing airfoils with tip cooling channels

A method of repairing an airfoil of a turbine component is provided. The airfoil includes a tip rail at least partially defining a plurality of tip cooling channels. The turbine component has undergone at least one operating cycle such that a tip portion of the tip rail is outside of design specifications. The method includes removing the tip portion of the tip rail such that a workpiece interface is defined at a radially outer end of the airfoil. After removing the tip portion, at least one tip cooling channel of the plurality of tip cooling channels extends to an opening on the workpiece interface. The method also includes additively manufacturing an extended section on the workpiece interface. The method also includes machining the extension section to form a replacement tip portion of the tip rail within the design specification range.
Owner:GENERAL ELECTRIC TECH GMBH

Speed reduction control method, device and system for permanent magnet electric submersible plunger pump

The invention discloses a permanent magnet electric submersible plunger pump speed reduction control method, device and system. The method comprises the steps that in the current operation period, when the angle of a motor rotor reaches the rotor angle corresponding to a preset deceleration point, the driving current frequency of a motor is reduced, so that a plunger of the permanent magnet electric submersible plunger pump is decelerated to reach the target limit position; wherein if the current operation cycle is the first operation cycle, the rotor angle corresponding to the deceleration point is determined based on the operation position of the plunger in the pump body and the self-learning result of the corresponding rotor angle; otherwise, determining the rotor angle corresponding to the deceleration point based on the rotor angle and the error angle corresponding to the deceleration point in the previous operation cycle. The rotor angle corresponding to the deceleration point can be accurately positioned, accurate control over the upper limit position and the lower limit position of the plunger pump is achieved, and the phenomena of top collision and bottom collision are effectively avoided or reduced in the operation process.
Owner:CNPC BOHAI EQUIP MFG +1

Method for diagnosing the operation of an active airflow control system.

The present invention relates to an active airflow control system and a method for diagnosing the operation of an active airflow control system (1) for a vehicle, comprising: a mechanical obstructing element (2), a mechatronic system (3), equipped with a housing containing a magnet motor (10) driven by a control circuit (11) and coupled to a motion transformation enabling the movement of the mechanical obstructing element (2), electronic communication lines (7) for exchanging information with the vehicle's DCU (8) or receiving commands from the vehicle's DCU (8), characterized in that said method comprises a series of steps consisting of: recording, during an operating cycle of the active airflow control system (1), a sequence of sampled digital data in a memory, where the sequence of sampled digital data consists of a set of digital data,acquired by said control circuit (11) internal to the mechatronic system (3), apply to said sampled digital data sequence stored in memory an algorithmic statistical analysis model to determine a singularity, discriminate by the control circuit (11) and transmit to the DCU, a sporadic error code associated with the singularity, said sporadic error code being information on the state of the active airflow regulation system (1). Figure from the abstract: Figure 1,
Owner:SONCEBOZ MOTION BONCOURT SA

Vehicle static control method and system and vehicle

The invention discloses a vehicle static control method and system and a vehicle and is applied to the technical field of vehicle static control, and the method comprises the steps that when it is detected that a target vehicle is static, the first static pressure of the target vehicle in the current operation period is obtained according to the gradient sensing value of the target vehicle in the current operation period; according to the main cylinder pressure of the target vehicle in the current operation period, second static pressure of the target vehicle in the current operation period is obtained; according to the first static pressure and the second static pressure of the target vehicle in the current operation period, the target maximum static pressure of the target vehicle in the current operation period is obtained; and performing static control on the target vehicle according to the target maximum static pressure of the target vehicle in the current operation period. According to the application, the maximum static pressure can be accurately limited to a numerical value capable of exactly keeping the vehicle static, the vehicle sliding is prevented, the pressure buildup loss of the vehicle in the static state is reduced, and the risk that a vehicle braking system is damaged due to long-time work is reduced.
Owner:CHINA FAW CO LTD