86 results about "Operating cycle" patented technology

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.

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 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,

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 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.

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.

This invention provides a testing device and method for the equivalent friction coefficient of elevator steel belts, including a frame, a traction steel belt, and a controller. A braking mechanism, a wrap angle adjustment mechanism, and a tensioning mechanism are integrated on one side of the frame. This invention employs a motor-driven lead screw wrap angle adjustment mechanism to achieve stepless precise adjustment and real-time locking of the wrap angle, solving the problem of rigid wrap angle in traditional devices. A high-precision encoder is configured at one end of the traction steel belt to monitor displacement in real time, upgrading the slippage critical point from manual observation or torque threshold judgment to automatic displacement signal recognition, forming a closed-loop feedback, significantly improving the repeatability and accuracy of critical point recognition. Through a control architecture of PLC, industrial control computer, and configuration software, a servo motor achieves seamless switching between micro-traction and high-speed braking, and integrates automated testing processes for three working conditions: loading, stopping, and emergency braking, comprehensively covering the entire elevator operating cycle.

The invention relates to a method for controlling an electric drive train of an electrically driven motor vehicle, comprising a plurality of electric drive modules (EDS, EDS 1, EDS 2, EDS n) which can be controlled independently of one another in a load-dependent manner. In order to uniformly distribute wear on the drive modules (EDS, EDS 1, EDS 2, EDS n) over their service life and thus extend the service life and maintenance cycle of the drive train, an index of damage occurring over the operating cycle is determined for the drive modules (EDS, EDS 1, EDS 2, EDS n), and the drive modules are controlled as a function of the index of damage of the drive modules (EDS, EDS 1, EDS 2, EDS n).

A wireless opening meter includes measurement portions that measures an opening, a pneumatic pressure supplied to an operation device, and a temperature at an outlet side of the control valve; a failure diagnosis portion that calculates an index of a change leading to a failure of the valve based on a measurement value, and executes failure diagnosis of the valve based on the index; a wireless communication portion that wirelessly transmits the index and a result of the failure diagnosis to a valve maintenance support device; and an adjustment portion that compares the index with a predetermined index determination threshold, and in response to determining that a progression degree towards a failure of the valve is small, perform thinning processing of an operation time of the wireless opening meter by extending an operation cycle of the wireless opening meter to be longer than an initial value.

A heating, ventilation, and / or air conditioning (HVAC) system includes a control system configured to initiate an operating cycle of a furnace of the HVAC system at an initial operating stage in response to a call for heating, monitor a duration of time associated with the operating cycle of the furnace to satisfy the call for heating, adjust the initial operating stage to provide an adjusted initial operating stage of the furnace based on the duration of time, and initiate a subsequent operating cycle of the furnace at the adjusted initial operating stage.

This invention relates to a sewing method for preventing needle breakage in a sewing machine, comprising: a standard sewing mode: the feed dog moves along a set trajectory, the main shaft rotates at a uniform speed Va and drives the needle to move, and within one operating cycle time T, the time corresponding to when the needle tip is successively located at the needle plate plane, the highest position B, and the needle plate plane after the needle starts moving from the lowest point A is t. C t B and t D Thick-material anti-needle breakage sewing mode: The feed dog trajectory is the same as in the standard sewing mode, and the relationship between the spindle angle and the needle position is also the same; within the cycle time T, there are time points t0, t1, t2, t3, and t4. During the time period t0 to t2, the spindle decelerates; during the time period t0 to t1, the spindle speed is greater than Va; during the time period t1 to t2, the spindle speed is less than Va. The time when the needle tip is located on the needle plate plane is recorded as t. C0 , t C0 <t C During the time interval t2 to t4, the spindle accelerates; during the time interval t2 to t3, the spindle speed is less than Va; during the time interval t3 to t4, the spindle speed is greater than Va. The time when the needle tip is on the needle plate plane is recorded as t. D0 , t D0 >t D .

This invention discloses a control method for a frog-inspired robot, belonging to the field of robotics technology. The method includes: at the initial moment of detecting that the robot is in an operating cycle, acquiring the robot's state data and environmental data of the robot's location; determining target parameters for inputting into a machine learning model based on the state data and environmental data, inputting the target parameters into the machine learning model, and outputting operating parameters for the operating cycle; and controlling the robot according to the operating parameters. This application improves the accuracy of controlling robot movement in water.

The invention provides a four-stage compressor cooperative control method and device, a terminal and a storage medium, and relates to the technical field of compressor automatic control. The method comprises the following steps: acquiring key parameters of a to-be-regulated four-stage compressor in a first operation period, wherein the key parameters comprise inlet and outlet operation data of each stage, a control quantity feedback parameter, a load demand parameter and a surge characteristic quantity parameter; the key parameters are input into a built physical field coupling prediction model of the four-stage compressor, the prediction control quantity of a second operation period is obtained, the prediction control quantity comprises the opening degree and the rotating speed of each stage of guide vane in the four-stage compressor to be regulated and controlled, and the second operation period is the next operation period adjacent to the first operation period; and controlling the four-stage compressor to be regulated and controlled to operate by utilizing the predicted control quantity of the second operation period. According to the method, limitation possibly brought by single parameter control can be avoided, the compressor can be kept in the optimal operation state under various working conditions, and system fluctuation and fault risks caused by parameter mismatching are reduced.