116 results about "Operating cycle" patented technology

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.

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.

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.

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

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.

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.

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.

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.

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).

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.

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).

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.

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.

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,

An internal combustion engine comprises a first intake valve (V1) and a second intake valve (V2) associated with each engine cylinder. The first intake valve (V1) is controlled by the respective tappet (15) with a lift profile as a function of the crank angle that is invariable and bound to the profile of a respective actuation cam (14), while the second intake valve (V2) of each cylinder is controlled by the respective tappet (15), through the interposition of an electronically controlled hydraulic circuit. The cam (14) that operates the first intake valve (V1) has a profile with two lobes (14A, 14B) that determine, at each operating cycle of the cylinder, a first opening period that begins when the respective piston is near TDC and ends when the respective piston is at an intermediate position between TDC and BDC, and a second opening period that begins when the respective piston is near BDC and ends when the piston is at an intermediate point between BDC and TDC. The first intake valve (V1) is therefore fully closed during an intermediate period in which the respective piston is still descending towards its BDC, so as to create a vacuum in the respective cylinder that generates a jet of air entering the cylinder during the second opening period. The electronic controller (25) associated with the hydraulic system that operates the second intake valve (V2) is configured to cause an opening period of the second intake valve (V2) that begins during the second opening period of the first intake valve (V1) and ends substantially when the second opening period of the first intake valve (V1) ends.

The present invention provides an internal and external synchronization method for a Byzantine computer system based on a TTE network. This method, applied to a Byzantine computer system incorporating a TTE network, comprises: obtaining a first operating cycle of a Byzantine computer system employing a synchronous Byzantine protocol, comprising multiple first synchronization cycles, and a second operating cycle input from the TTE network, comprising multiple second synchronization cycles; for each first synchronization cycle, performing the following steps: obtaining a current second synchronization cycle corresponding to the first synchronization cycle, determining a first initial moment of the first synchronization cycle and a second initial moment of the current second synchronization cycle; and adjusting the first synchronization cycle based on the first initial moment and the second initial moment to obtain a revised synchronization cycle, thereby completing synchronization. The internal and external synchronization of a Byzantine computer system based on a TTE network provided by this solution achieves synchronization between internal and external synchronization cycles, ensuring the high reliability of the Byzantine computer system.

The utility model discloses an encoder, and relates to the field of encoders, and the encoder comprises a housing assembly, a rotating wheel which is comparably installed in the housing assembly, and an elastic damping mechanism which abuts against and cooperates with the rotating wheel. Wherein the shell assembly is composed of a base and a cover plate, and a mounting groove used for mounting the rotating wheel and the elastic resistance mechanism is formed in the base; the outer circumferential face of the rotating wheel is provided with an annular wave-shaped meshing interface, the wave-shaped meshing interface is continuously formed by protruding units which are arranged at equal-angle intervals, and the adjacent protruding units are matched to form a V-shaped groove. According to the encoder, rigid contact is converted into a flexible contact mechanism of the elastic balls, so that the interface abrasion rate is reduced while the tactile feedback precision is maintained, and the stable mechanical property of the encoder can be maintained in a ten million operation period.

A sensor and evaluation device configured for detecting a misfire in an internal combustion engine, the sensor and evaluation device including: a control sensor system, which includes an acceleration sensor configured for acquiring a sound measurement signal at a cylinder and for providing a knock signal assigned to the sound measurement signal; and a module configured for at least one of acquiring and evaluating the knock signal, wherein the sensor and evaluation device is configured such that: an evaluation-relevant operating cycle angle range is assigned to an operating cycle range after an exhaust valve is opened; the sound measurement signal at the cylinder is detected by the acceleration sensor at least for the evaluation-relevant operating cycle angle range, and the knock signal assigned to the sound measurement signal for the evaluation-relevant operating cycle angle range is fed to the module in an evaluable manner.

Maintenance system for a gate device (1), wherein a control device (2) is provided, comprising a motor control unit (3) for controlling a drive device (4) for driving a gate element (5) and a non-temporary memory (6) for storing gate data, wherein the gate data can be retrieved from the non-temporary memory (6), characterized in that at least one temperature sensor (T1, T2, T3) is provided, which is arranged in the area of ​​the drive device (4), wherein the temperature sensor (T1, T2, T3) continuously determines temperatures T n as further gate data to the non-temporary storage (6) of the control device (2), wherein an evaluation unit (7) is provided which records a temperature profile f over preset operating cycles. n (T n ) created, whereby a comparison of a number of temperature profiles f n (T n) allows a conclusion to be drawn about the maintenance requirements of the gate device (1).

The present invention relates to collision detection in operation of a door in an automatic door system. The collision detection is performed by monitoring a net torque deviation of the automatic door system while operating the door and upon the net torque deviation exceeding a threshold for collision, issuing a collision signal. The threshold for collision may be set by detecting an extreme net torque deviation of the automatic door system during a collision free operating cycle of the automatic door system and determining the threshold for collision based on the detected extreme net torque deviation.

This invention provides a method and apparatus for controlling the speed of a refrigerator refrigeration fan. The method includes: in the current operating cycle, detecting whether the refrigerator evaporator temperature reaches a target temperature before the refrigerator refrigeration fan reaches a preset operating time, and obtaining a detection result; determining a control strategy for the speed of the refrigerator refrigeration fan based on the detection result; and controlling the speed of the refrigerator refrigeration fan according to the control strategy. This solves the technical problem in the prior art where the speed control of the refrigerator refrigeration fan does not conform to the actual operating conditions of the refrigerator, resulting in the refrigeration fan running at high speed for extended periods, high fan noise, and thus a poor user experience.

To provide a mixing device and method for making bone cement.SOLUTION: The piston of the mixing device 102 is positioned in a first region of the chamber such that the mixing paddle rotates to mix the bone cement components at a first pressure to create a bone cement mixture. The piston passes through the inlet opening to be positioned within the second region of the chamber to compress the bone cement mixture to a second pressure greater than the first pressure to form the bone cement. The bone cement can be transferred to the delivery device 104. The mixing device includes features that automatically initiate the compression and transfer phases after completion of the mixing phase, and may further include features that automatically terminate the operating cycle. To improve efficiency in the operating room, a three step intuitive workflow utilizing the mixing device is also disclosed.SELECTED DRAWING: Figure 1

The utility model discloses a rotary drum stirring suspension shaft assembly which comprises a suspension shaft, a bearing box, a bearing gland and a self-aligning roller bearing, the self-aligning roller bearing is connected to one end part of the suspension shaft in a sleeving manner; the bearing box covers the outer parts of the self-aligning roller bearing and the suspension shaft; and a bearing gland is arranged at an opening, close to the self-aligning roller bearing, of the bearing box. The shaft sleeve is transformed into a rolling bearing supporting structure, so that the abrasion of the suspension shaft is obviously limited. Therefore, the risk of abrasion and leakage of the box body is reduced. The equipment operation period is prolonged, the maintenance frequency is reduced, the bearing is convenient to disassemble and replace during planned maintenance, the drum core does not need to be hung, and the maintenance risk and the maintenance time are reduced.

A method for the adsorptive processing of an oxygen-containing, gaseous feed gas mixture (3) is proposed, wherein an adsorption plant (100) is used, comprising a component group (110) of two heat storage units (20a, 20b) and an intermediate adsorption unit (10), wherein the method is carried out in successive operating cycles and each of the operating cycles comprises the following steps (a) to (c) in the specified alphabetical order: (a) injecting a first operating fluid (1) at a first temperature level in a first injection direction into the component group (110) until a temperature front generated by the first operating fluid (1) in the component group (110) reaches the adsorption unit (10);(b) Injecting a second operating fluid (2) at a second temperature level in the first injection direction into the component group (110) until a temperature front generated by the second operating fluid (2) in the component group (110) reaches the adsorption unit (10); and (c) injecting the feed mixture (3) at the second temperature level in a second injection direction into the component group until a temperature front generated by the second feed mixture (2) in the component group (110) reaches the adsorption unit (10), wherein the second temperature level is below the first temperature level and the first and second injection directions are opposite to each other and are reversed between operating cycles. A corresponding adsorption unit (100) is also proposed.

The present invention relates to a device for preventing clogging of a slot nozzle, comprising a connecting component arranged on the left side of a rotating slot nozzle air pipeline and a rotating slot nozzle assembly at the right end of the air pipeline, wherein a group of gear rotating devices are arranged on the air pipeline, the gear rotating devices are fixedly mounted on the outside of the air pipeline, and the device is driven to rotate by the rotation of the gears; the present invention is designed to address the drawbacks of the existing devices, and can not only ensure that the slot nozzle forms a good wind knife to sweep the emulsion on the working roller, but also ensure that during the emulsion blowing work, the slot nozzle is prevented from being blocked, thereby improving the continuity of steel rolling and thus improving the economic benefits; secondly, the invention can self-clear the blockage of the clogged slot nozzle while working, thereby improving the service life of the nozzle, increasing the operating cycle of the cold-rolled steel strip, and reducing the cost of replacing the nozzle; the present invention is simple to operate, and a single person can complete the emulsion blowing work through the PLC intelligent control system, thereby reducing labor costs.

The utility model relates to the technical field of packaging box sealing, in particular to a high-adaptability automatic packaging box sealing machine which comprises a positioning piece, an equipment frame, a pressing disc, a rotating wheel and a motor, the pressing disc and the rotating wheel are located above the positioning piece, the motor is fixedly installed in the frame, and the rotating wheel is connected with an output shaft of the motor through a transmission assembly. The motor is further connected with a lifting mechanism through a transmission assembly, and the lifting mechanism is used for driving the positioning piece to ascend and descend so that the packaging box can be matched with the matched pressing disc and the rotating wheel for sealing. And the rotation of the rotating wheel and the lifting of the positioning piece are driven by one motor, so that the cost is saved. The motor drives the cam to rotate to be matched with the lever to rotate to lift the packaging box, when the protruding portion of the cam makes contact with the lever, the lever tilts the positioning piece, after the protruding portion of the cam leaves the lever, the positioning piece descends, the process is just the operation cycle of packaging box sealing, and the rotating wheel is driven to rotate by multiple circles in the process through the gear speed ratio. And the accurate matching of the two action mechanisms is ensured.

This invention provides an intelligent state perception and early warning method and system for lift operation. First, it collects multi-dimensional operational feedback information throughout the lift's entire operating cycle, forming a set encompassing information from various systems such as power output, load-bearing structure, and control adjustment. Then, it constructs an operational behavior link using the operational feedback information of each system as nodes and the inter-system collaborative transmission link as the associated carrier, presenting the linkage relationship between the behaviors of each system. Next, it dynamically maps the operational state transmission path based on the changes in node feedback information, tracking the state transmission trajectory. Then, it traces the source of abnormal transmission related feature sets according to the transmission path, locating the initial triggering system of the abnormality and the core features of related systems. Finally, it generates targeted early warning commands, locking in the specific system and key links for the early warning. This invention achieves accurate perception and early warning of the lift's operational state, improving operational safety.

The invention provides a middleware interface testing method, device, equipment and medium, in the ith operation period, an underlying software module receives M first signals from a CAN bus and sends the M first signals to M receiving interfaces of a middleware communication module, and the middleware communication module receives the M first signals according to the M first signals and sends the M first signals to M receiving interfaces of the middleware communication module. And when the target computer receives the M first signals, M second signals are sent to the upper-layer application software module, the upper-layer application software module selects N second signals from the M second signals and sends the N second signals to the first serial interface, and when receiving the M second signals, the target computer compares the M second signals with the M first signals to determine whether the receiving interface is normal or not. According to the method, the test cost can be reduced, the test time is greatly shortened, the test efficiency is improved, the test method does not depend on development and use of a calibration protocol, interface detection can be carried out in time after development of the middleware communication module is completed, and the interface detection efficiency is improved.

This invention discloses a servo motor energy interaction optimization method based on reinforcement learning, comprising the following steps: collecting operational data of the servo motor during operation and performing preprocessing; generating a set of servo motor energy state vectors; calculating the energy probability distribution representation; constructing a set of servo motor energy evolution states; constructing a reinforcement learning environment state space, a reinforcement learning action space, and a set of reward evaluation parameters; generating servo motor energy interaction optimization control instructions; controlling the servo motor to perform operations and collecting operational feedback data; and cyclically executing the servo motor energy interaction optimization control until the target operating cycle is completed. This invention utilizes reinforcement learning and energy probability modeling methods to achieve servo motor energy interaction optimization control, possessing advantages such as high energy efficiency, strong stability, and strong adaptability.

A method of predicting the range of an electric vehicle comprises determining a range value during a current vehicle operating cycle using a first range model, wherein the first range model is dependent on an energy consumption rate value recorded during a previous vehicle operating cycle.