173 results about "Cycle control" patented technology

The invention relates to an equipment flexible resistance adjustment servo control method and system, and the method comprises the steps: obtaining resistance torque data and a periodic control instruction of target equipment, carrying out the expansion estimation of disturbance parameters, and obtaining the total disturbance torque data and load equivalent stiffness information of a system; acquiring servo motor data of the target equipment, performing multiple feed-forward compensation on the total disturbance torque data of the system to obtain anti-interference feed-forward compensation data, and performing stiffness reference adjustment in combination with the load equivalent stiffness information to obtain a feed-forward reference coefficient; performing torque parameter coupling on the anti-interference feed-forward compensation data according to the feed-forward reference coefficient to obtain rigidity compensation torque data; and according to the servo motor data, the feedforward reference coefficient and the rigidity compensation torque data, performing instruction construction to obtain a servo control instruction. According to the invention, the dynamic characteristics of the system under complex working conditions can be evaluated more accurately, and the precision of servo control is improved.

The invention relates to the technical field of computer software development and application deployment, and discloses a mobile terminal productization configuration method and system.The method comprises the steps that a cross-platform development framework and a front-end framework are selected and configured; common parts in page logic are extracted into independent modules, and differential requirements in different environments are met in a parameterization mode; loading a corresponding configuration file according to a target environment, wherein the target environment comprises a development environment and a production environment; defining a mapping relation between the input path and the output path, and dynamically synchronizing the function file under the input path to the output path in the construction process; and controlling the synchronization logic of the configuration file and the code file through the life cycle of the plug-in, wherein the synchronization logic comprises real-time monitoring in a development environment and one-time synchronization in a production environment. According to the method, the problem that customization and productization are difficult to consider in a traditional development mode is solved, and the development efficiency and the convenience of later maintenance are improved through a systematic technical means.

A plastics processing system is described. This system comprises at least one plastics processing machine (100) and a control and operating system (10) for controlling and operating this plastics processing machine (100). The control and operating system includes a cycle control unit, which, in a production mode, controls the plastics processing machine at least indirectly and which, for this purpose, uses a first computing unit (20) equipped with a first operating system. Furthermore, the control and operating system includes a first interface device (30), which has at least one first input device, at least one visualization device, and a second computing unit (34) equipped with a second operating system and in communication with the first input device and the visualization device. The first computing unit (20) and the second computing unit (34) communicate via A bidirectional first communication device (36) is provided. This allows the plastics processing machine (100) to continue operating even if the first interface device (30) fails, for example, to process an existing production order. To ensure minimum communication with the cycle control system even if the first interface device (30) fails, a second interface device (50) is also provided, which has at least one second input device (52). The signals generated by the second input device (52) are transmitted to the first processing unit by means of a second communication device (54) that operates at least unidirectionally.

The invention relates to the technical field of data management, in particular to an intelligent control method based on big data, and the method comprises the following steps: S1, collecting operation state data and environment information of a target system, constructing a control intention vector model in combination with a task target and a control boundary, and packaging the control intention vector model into a migration data object; s2, in the control execution process, collecting a state flow and a feedback sequence, detecting behavior drift, dynamically correcting a control strategy, and outputting a corrected control sequence; and S3, applying the correction strategy to a target system, collecting an execution response, identifying behavior chain evolution, updating a control intention model, outputting an evolvable control intention chain, and supporting a control task of a next period. According to the method, real-time data acquisition, behavior offset identification and control intention chain evolution are combined, and dynamic adjustment and adaptive optimization of a control strategy are realized, so that the stability, robustness and long-term adaptive capacity of the system are improved.

The invention discloses a mechanical arm control method and system based on real-time attitude estimation, and the method comprises the steps: obtaining a real-time point cloud image of a mechanical arm, and carrying out the attitude estimation based on the real-time point cloud image to obtain an initial attitude of the mechanical arm; the target posture of the mechanical arm is determined, the target posture and the initial posture are analyzed, and the posture error difference is determined; the attitude error difference is analyzed, the error state of the mechanical arm in each direction is determined, and a motion optimization coefficient matrix of the mechanical arm is determined based on the error state; the operation parameters of the mechanical arm are optimized on the basis of the motion optimization coefficient matrix, and motion of the mechanical arm is controlled on the basis of the optimized operation parameters; and after the mechanical arm moves, the steps are repeated, and closed-loop circulation control over the mechanical arm is completed. Visual monitoring is converted into real-time dynamic monitoring from static monitoring, continuous closed-loop deviation correction can be achieved in the movement process of the mechanical arm, accordingly, dynamic deviation correction and accurate operation are achieved, and the grabbing and assembling success rate and efficiency of the mechanical arm are greatly improved.

The invention relates to the technical field of virtualization orchestration, in particular to an industrial control virtualization orchestration system and method, and the system comprises a task extraction module, a node behavior monitoring module, a stability evaluation module, an orchestration load adjustment module and a control task migration module. According to the method, the scheduling cycle closed-loop feature recognition is performed by collecting the control task scheduling mapping table and the execution instruction queue and combining the cycle control mark and the interrupt mark, so that an orchestratable task set can be effectively recognized, the behavior success rate is calculated according to parameters such as node response delay and task completion proportion, and node stability screening is performed; stability grade division of control nodes is achieved, a scheduling priority list is formed by setting a release threshold value, then the task migration opportunity is judged based on task residence time and IO completion conditions, migration targets are accurately selected in a behavior pattern matching mode, and the stability of task scheduling, the precision of resource allocation and the adaptability of control logic are remarkably improved.

The present application relates to the field of vacuum emulsifier, for solving the problem that the single effect of vacuum emulsifier cannot be quantified and the adaptive ability of cycle endpoint judgment is lacking, specifically a circulating shearing vacuum emulsifier and a control system thereof, the control system comprises an emulsification process monitoring module, an internal environment supervision module, a shearing effect statistics module, a cycle comprehensive evaluation module and a shearing cycle control module, the present application comprehensively analyzes the single cycle time and the material cycle number, generates single cycle effect evaluation features and total cycle effect evaluation features, realizes quantitative evaluation of single cycle effect, calculates the single cycle effect progressive value between adjacent cycles, and according to the threshold judgment result, the cycle process is divided into progressive cycle and stable cycle, whether the total cycle effect and cycle number meet the standard is also judged synchronously, realizes progressive cycle recognition and multi-condition joint judgment mechanism, and dynamically perceives whether the emulsification process enters the effect saturation stage.

An image forming apparatus comprises a photosensitive drum, an exposure head and a control unit. The control unit can execute a first mode and a second mode in which the drum is rotated at a second rotational speed that is a / b times of the first rotational speed of the first mode. In exposure of the second mode, the control unit controls a cycle of a light emission timing at a cycle of b / a times of a cycle of the first mode, controls the light-emitting units to cause, among n rows, the light-emitting units of (n×((d−c) / d)) rows to not emit light, and sets a drive current so that an amount of light matches (a×d) / (b×c) times of the first mode.

The utility model relates to the technical field of refrigerators, in particular to a fresh-keeping refrigerator combining air cold-heat exchange with direct cooling and circulation control refrigeration, which comprises a refrigerator, an exhaust fan is arranged in an inner cavity of the refrigerator, a compressor is arranged in the inner cavity of the refrigerator, a condenser is arranged at the bottom end of the inner cavity of the refrigerator, and a plurality of graphene sheets are arranged in the inner cavity of the refrigerator. Wheels are arranged at the bottom end of the refrigerator, a plurality of goods shelves are sequentially arranged in an inner cavity of the refrigerator from top to bottom, an exhaust outlet is formed in the rear side of the inner cavity of the refrigerator, capillary tubes are fixedly embedded in the inner cavity of the side wall of the refrigerator, a controller is arranged on the refrigerator, and a monitoring assembly is arranged in the inner cavity of the refrigerator. The fresh-keeping refrigerator combining air cold and heat exchange with direct cooling and circulating control refrigeration adopts the combined application of various systems and modules, the refrigerator design is divided into the combined application of a video area and a refrigerator fresh-keeping area, and an air (oxygen) cold and heat exchange technology and a dynamic mode are adopted.

The invention provides an excitation and static frequency converter collaborative optimization control system and method for pumping start of a pumped storage unit, and relates to the technical field of pumped storage unit control. The system comprises a data acquisition and state sensing module, a collaborative optimization controller and a high-speed execution and communication network. The data acquisition and state sensing module acquires system state data in real time; a joint prediction model, a rolling optimizer and a constraint processing unit are arranged in the collaborative optimization controller, and the collaborative optimization controller is used for carrying out rolling optimization calculation to obtain an optimal control instruction sequence; and the high-speed execution and communication network synchronously issues the optimal control instruction to the SFC and the excitation system. The method is based on the system, and collaborative optimization control is achieved through the steps of starting instruction receiving, rolling optimization, circulation control and starting and ending mode switching. According to the invention, deep cooperation and foresight control of the excitation system and the SFC are realized, and the smoothness, speed, reliability and energy saving performance of the pumping starting process of the pumped storage unit are improved.

This application provides an energy-saving method and system for stamping processes based on fluctuating load hedging, relating to the field of cycle control technology. The method includes: real-time acquisition of load signals of each stamping press in each stamping cycle, identifying the peak load mutation point corresponding to the main blanking or drawing process in that cycle, and using the peak load mutation point as the current cycle phase reference point of the stamping press; obtaining the timestamp of the current cycle phase reference point of each stamping press relative to a unified time reference, and calculating the phase difference between any two stamping presses; when the phase difference between two stamping presses is less than a preset safety threshold, selecting at least one of the two stamping presses as the target stamping press; determining a compensation time amount according to a preset compensation rule, and sending a cycle adjustment command to the target stamping press to advance or delay the start time of its next stamping cycle relative to the original start time by the compensation time amount, thereby increasing the phase difference between the two stamping presses.

The application provides a vehicle control method and device, a vehicle and a storage medium. The method is applied to the technical field of vehicles. The method comprises the following steps: obtaining water wading state information of a vehicle; in the case that the water wading state information meets a preset condition, determining a first air suspension set from multiple air suspensions according to the water wading state information; and based on a preset first control period, controlling each first air suspension in the first air suspension set to deflate and inflate. According to the application, the vehicle body can be provided with lifting force, the sinking speed of the vehicle is slowed down, and the safety of the vehicle in a water wading environment is effectively improved.

A dryer appliance, a controller and a method for dryer cycle control include a voltage divider circuit having a first thermistor configured to receive a first temperature signal corresponding to an inlet flow of air to a heater assembly, and a second thermistor configured to receive a second temperature signal corresponding to a heated flow of air heated from the heater assembly. The first thermistor and the second thermistor have a substantially similar resistance-temperature curve as one another. An output voltage is determined based on an input voltage, the first thermistor, and the second thermistor. A heater control relay is configured to compare the output voltage to a reference voltage corresponding to a control pulsing, a timer adjustment, or a cycle termination. The dryer cycle is adjusted based on the output voltage relative to the reference voltage.

The invention discloses a washing machine dewatering method, a washing machine and a storage medium, and the method comprises the steps: obtaining a first adjustment instruction inputted by a user through a dewatering control assembly of the washing machine after entering a dewatering stage; wherein the dehydration stage comprises at least two intermittent dehydration periods, the first adjustment instruction is used for indicating a first target rotation duration of the motor and a first target pause duration of the motor in each intermittent dehydration period, the first target rotation duration is less than a default rotation duration of the motor, and the first target pause duration is greater than the default pause duration of the motor; and for each intermittent separation period, after the motor is controlled to rotate according to the first target rotation duration, the motor is controlled to stop rotating, and the stop duration is the first target pause duration. According to the scheme, the rotation duration of the motor is shortened and the pause duration of the motor is increased through the first adjustment instruction, so that the speed increasing speed of the washing barrel is reduced, the eccentric barrel collision phenomenon is avoided, the service life of the washing machine is prolonged, and the use experience of a user is improved.

A pulse braking and thermal management cooperative control method and system for minimum radius turning of a distributed drive vehicle, the method mainly comprising: obtaining the speed and position of the inner motor; evaluating the thermal accumulation of the inner motor; based on the thermal state evaluation and the speed and position of the motor, deciding to maintain or release the braking state; according to the braking decision instruction, torque tracking is performed, and the corresponding braking torque instruction is output; wherein, in the minimum radius turning mode, the inner motor is subjected to periodic cycle control of alternating "active braking phase" and "torque release phase". The method and system change the control of the inner motor from "continuous stall" to "intermittent pulse braking" in the minimum radius turning mode, and allow a small, controlled angular displacement during the braking interval, and through the construction of a hierarchical control architecture, effective cooperative management of turning accuracy and system thermal load is achieved.

The invention discloses a multi-parameter recursive optimization battery cooling control system and method. The method comprises the following steps: acquiring basic parameters of a battery cooling system at an initial moment of a current period; establishing a battery heat production and exchange model, a compressor refrigeration model and a compressor energy consumption model; according to the cooling system basic parameters, the battery heat production model, the compressor refrigeration model and the compressor energy consumption model, the compressor rotating speed and the water pump rotating speed in the next period are determined; and controlling the compressor and the water pump to work based on the compressor rotating speed and the water pump rotating speed in the next period to control the battery temperature. The method has the advantages that the dynamic adaptability of the battery cooling system is improved, the energy efficiency ratio is optimized, and the service life of the battery is prolonged.

The application provides a control circuit for regulating the output voltage multiplication of a charge pump, which controls the opening and closing of a first switch group, a second switch group, a third switch group, a fourth switch group and a phi 3 switch through switch period control, the first switch group at least includes phi 11 and phi 12, the second switch group at least includes phi 13 and phi 14, the third switch group at least includes phi 21 and phi 22, the fourth switch group at least includes phi 23 and phi 24, and the control timing sequence is as follows: the first switch group, the third switch group and the phi 3 switch are closed when the first switch group, the third switch group and the phi 3 switch are high; the first switch group, the third switch group and the phi 3 switch are opened when the first switch group, the third switch group and the phi 3 switch are low; the second switch group and the fourth switch group are closed when the second switch group and the fourth switch group are high; the second switch group and the fourth switch group are opened when the second switch group and the fourth switch group are low; T3 is the switch on time of the phi 3 switch, and the output voltage multiplication of the charge pump is regulated by controlling T3. The application has simple structure, convenient use and high value.

The application provides a Spring application lazy loading method based on container life cycle control, and comprises the following steps: S1, loading a custom container factory through an SPI mechanism, creating a custom lazy loading container and setting the container as a default container context; S2, executing a Spring container standard refresh process, completing Bean definition loading and BeanPostProcessor instantiation registration; S3, executing to a finishBeanFactoryInitialization step, skipping a preInstantiateSingletons full pre-instantiation method of a BeanFactory; S4, executing to a refresh completed stage, intercepting container ready event publishing and returning a main thread quickly; and S5, after application startup is completed, starting a background asynchronous thread to load a Bean and publish a container ready event; and the method solves the management and control problem of "importing and loading".

This invention relates to a method and apparatus for high-speed flywheel multi-level wide-modulation specific energy balance cyclic control. The method is applied to the recycling of regenerative braking energy in subway traction power supply systems. By selectively employing a bubble sorting-carrier phase-shift modulation method to maintain the voltage balance of sub-module capacitors, it can maintain voltage balance even when the voltage difference between sub-module capacitors is large, and generate PWM signals to control the switching on and off of sub-module switching devices, thus solving the problem of voltage balance control for modular multi-level converter sub-modules under high-frequency fundamental frequencies. This apparatus can be installed on the DC traction network side of the subway traction power supply system to recycle the subway's regenerative braking energy, perfectly matching the instantaneous energy demands of frequent subway starts and stops. Compared with existing technologies, this invention, utilizing a wide-modulation specific energy balance cyclic control method, achieves an energy-to-kinetic energy conversion efficiency of 90%-95%, far exceeding traditional energy storage systems.

The invention discloses a double-edge multi-phase clock generator and a control method thereof, and belongs to the technical field of integrated circuit design. According to the method, the waveform freedom degree is improved through a three-stage time division architecture of'time period-round-period 'and in combination with a configuration mechanism of a plurality of programmable event points in each time period; configuration parameters are pre-stored in a register file module, and mode switching only needs to directly call pre-stored configuration, so that the real-time response capability is improved; the time control resolution is improved through double-edge counting, so that the sub-clock cycle control precision is achieved, and the method is suitable for high-precision application sensitive to power consumption and complex scene application.

The invention discloses an in-situ voltage control method, system and device based on power and voltage and a medium, and belongs to the technical field of in-situ voltage control, and the method comprises the steps: inputting power distribution network parameters, distributed power supply parameters and operation constraint conditions; constructing a master control curve according to the power distribution network parameters and the distributed power supply parameters; obtaining distributed power supply parameters according to the sampling period, and combining the distributed power supply parameters with the master control curve to obtain a period control curve; according to the period control curve, constructing an active power output strategy and a reactive power output strategy in combination with the distributed power supply parameters corresponding to the period and the actual power distribution network parameters; and the active power output strategy and the reactive power output strategy are fed back to the distributed power supply, and local voltage control is adjusted. According to the invention, the problems of lack of control factors and voltage regulation response lag in the prior art are solved.

The invention discloses a pole-mounted circuit breaker aging test method and system, and the method comprises the steps: obtaining historical operation condition data and real-time load characteristics of a pole-mounted circuit breaker, and generating an accelerated aging test basic input set; generating an accelerated aging loading strategy based on the accelerated aging test basic input set; performing an electric heating cycle loading test on the pole-mounted circuit breaker according to an accelerated aging loading strategy to form a time domain aligned performance degradation data set; utilizing the performance degradation data set to dynamically adjust the electric thermal stress intensity and action time in the test cycle, and generating a self-adaptive cycle control instruction conforming to the target aging curve; and executing the adaptive cycle control instruction until a predetermined test period is completed, and outputting an aging test result of the pole-mounted circuit breaker. According to the embodiment of the invention, the accuracy and efficiency of the aging test can be improved, and a scientific basis is provided for life evaluation and reliability prediction of the pole-mounted circuit breaker.

The application discloses a sewage pool temperature self-adaptive control method and system and a medium, and belongs to the technical field of advanced process control, and comprises the following steps: collecting sewage pool basic data, forming a basic fluctuation amount, and obtaining a response delay time; determining an effective response window; generating a sample admission result; calculating and updating a temperature response coefficient in a corresponding direction; generating and issuing next-period temperature regulation execution parameters and next-period mixing execution parameters. The application generates a sample admission result in the effective response window, and only updates the temperature response coefficient according to the admitted sample, so that the accurate identification of the real temperature response change caused by the heat exchange action, the reliable update of the temperature response coefficient and the stable generation of the next-period control action are achieved, and the problems that the sewage pool temperature change is not clearly attributed in the prior art, the subsequent control parameters are incorrectly corrected, and the temperature regulation is delayed or the energy consumption is abnormally increased are solved.

The invention discloses a water jet sound acquisition system based on synchronous cycle control and a mine clearing method. The water jet sound acquisition system comprises a control computer and a data acquisition card, wherein the control computer is provided with a LabVIEW program; an AO interface of the data acquisition card is connected with an optocoupler relay, and a LabVIEW program of the control computer controls the electromagnetic valve to be opened and closed periodically through the data acquisition card and the optocoupler relay; an AI interface of the data acquisition card is connected with a microphone, and the microphone transmits acquired sound to a LabVIEW program of the computer through the data acquisition card; opening and closing of the electromagnetic valve and sound collection of the microphone are carried out synchronously and written into a TDMS file, and if the electromagnetic valve is closed, a sound signal collected by the microphone is 0. Water flow is jetted in a circulating intermittent mode, so that water is saved; on-off control of the electromagnetic valve and sound signal acquisition are strictly and synchronously carried out, the time error between control and acquisition is smaller than 1 millisecond and is far better than the millisecond-level synchronization error of a traditional scheme, and it is ensured that acquired data accurately correspond to actual physical events.

The invention discloses a Java-based micro-thread management system and method, the system comprises a micro-thread class, a queue, an actuator, a scheduler and the like, the micro-thread class defines a related interface and a queue storage instance, the running state of the micro-thread class is marked by an atomic variable and has multiple states, and the micro-thread class further comprises a life cycle control module. The management method comprises the steps of micro-thread instance creation and initialization, queue insertion and thread awakening, execution state switching and task execution, dynamic state management and control, priority scheduling strategy execution and the like. Wherein the actuator comprises a thread circulation and exception handling module, the scheduler comprises a dynamic priority chaotic mapping module, and the exception handling module has a classification processing and shadow thread mechanism and the like. According to the method, resource occupation of a single microthread is reduced through cooperation of all the components, the memory utilization rate is improved through the queue structure, and then the priority and the execution strategy can be flexibly set through the scheduler and the executor.

This application relates to the field of intelligent air conditioning technology, disclosing a method, device, air conditioner, and storage medium for air conditioning control. The air conditioning compressor includes a bypass electronic expansion valve. The method includes: when it is determined that the air conditioning compressor is in unloaded operation, obtaining the current pressure ratio between the current discharge pressure and the current suction pressure of the compressor, and obtaining the current guide vane valve opening of the compressor intake guide vane; when it is determined that the compressor is in noise control mode based on the current pressure ratio, the current guide vane valve opening, the current water temperature, and the current load state of the compressor, determining the current initial opening and the current maximum opening of the bypass electronic expansion valve based on the current pressure ratio; after adjusting the bypass electronic expansion valve to the current initial opening, controlling the bypass electronic expansion valve to increase its operation until it reaches the current maximum opening in a first set cycle. This reduces the noise caused by the intake guide vane during air conditioning unloaded operation.

The application discloses a jacquard cool fabric, a weaving method thereof and a finishing process, and belongs to the technical field of textile fabrics. The weaving method adopts the following technical scheme: on a common double-sided circular knitting machine, a 1-section and a 2-section needle are arranged on an upper needle disc, and a 1-3 section needle is arranged on a lower needle cylinder; through 8-weft weaving cycle control, loop transfer and tuck actions are realized to achieve the effect of loop transfer jacquard. The finishing process comprises strengthening scouring, pre-setting, dyeing, simultaneous treatment of moisture absorption and sweat releasing finishing, immersion of a cool finishing agent and high-temperature setting. The application realizes the effect of loop transfer jacquard on a common circular knitting machine, breaks through the limitation of special equipment, and the obtained fabric has the characteristics of three-dimensional jacquard pattern, cool comfort, quick drying and air permeability, and the cool performance Qmax is greater than or equal to 0.2, and is suitable for the preparation of T-shirts and other garments.

The invention relates to a motor control method and device, control equipment and a storage medium, and the method comprises the steps: obtaining the motion state of each output shaft in a first group of output shafts of a multi-shaft motor; for each output shaft, determining a target loop execution period of a plurality of control loops of the output shaft according to the motion state of the output shaft; adjusting an original loop execution period of the output shaft according to the target loop execution period; and controlling the execution of the plurality of control loops according to the target loop execution period. Through a loop execution period dynamic optimization strategy, the execution periods of the speed ring and the position ring are adaptively adjusted according to the motion state of each axis, and the calculation load is reduced on the premise of ensuring the control performance.

The invention provides a PWM wave optimization method and system based on VIENNA rectifier single-period control. The PWM wave optimization method comprises the steps that three-phase input current is sampled; determining the position of the corresponding PWM wave high level in the switching period according to the current direction of each phase; the method specifically comprises the following steps: for each PWM output channel, according to a phase current symbol associated with the PWM output channel, selecting to place a high level at two ends or in the middle of a switching period; and based on the determined PWM high level position and the calculated duty ratio, generating and outputting a PWM driving signal used for controlling a VIENNA rectifier switch tube. According to the method, PWM generation logic is redesigned, a non-optimal voltage vector combination used in traditional synthesis is abandoned, and three vectors (namely vectors corresponding to three vertexes of a small triangle where a target vector is located) closest to the target voltage vector are adopted for synthesis; according to the optimization, on the premise that the switching frequency is not increased and extra hardware cost is not increased, output current harmonics are remarkably reduced.

This invention discloses an electronic expansion valve control method, device, and air conditioning system. The method includes: detecting a change in the on / off state of an indoor unit; for each on-duty indoor unit, determining the degree of lag in indoor unit control based on changes in system operating load and changes in specified parameters when the system load changes; adjusting the control cycle of the indoor electronic expansion valve of that indoor unit according to the lag degree; and controlling the indoor electronic expansion valve of that indoor unit according to the adjusted control cycle. This invention improves the response speed of the indoor electronic expansion valve under system fluctuations, increases the response rate of the indoor unit, avoids the situation where slow adjustment according to the conventional control cycle leads to large indoor temperature fluctuations and reduced indoor comfort, achieves effective regulation of the indoor electronic expansion valve, and solves the problem of slow response of the indoor electronic expansion valve under system fluctuations.