561 results about "Sequential control" patented technology

The invention discloses an intelligent cooperative switching control system and method for multi-path valve runners, and the method comprises the steps: collecting all-condition operation data of a multi-path valve system, extracting valve switching characteristic parameters, and building a runner mapping relation between paths; a cascade action chain containing time sequence dependence is constructed based on the mapping relation and the switching characteristics, and the action sequence and the trigger condition of each drift diameter are determined; by analyzing the pressure distribution and the flow velocity change in the cascade action chain, predicting the water hammer strength and designing a reverse pressure wave parameter, and generating a water hammer counteracting control instruction; high-low pressure area distribution in the flow field is identified, a flow field complementary cooperation scheme is constructed, and a pressure balance control strategy is generated; analyzing a pressure wave propagation path to determine a superposition elimination point, extracting pressure pulse resonance characteristics and generating time sequence control parameters; and the sequential control parameters are matched with the cascade action chain, synchronous control nodes are determined through delay compensation, and a time-sharing control sequence is generated to achieve intelligent cooperative switching of the multi-drift-diameter valve flow channels.

The invention relates to the technical field of sequence control, in particular to a sequence control test system based on the Internet of Things, which comprises a task decomposition module for analyzing equipment load, decomposing tasks according to equipment operation capability, acquiring task requirements and equipment parameters, judging operation conditions of equipment stations, refining task dependency relationships and performing task scheduling on the basis of a system task sequence; and associating the tasks with the equipment parameters to generate an equipment task sequence table. According to the method, efficient coordination of multiple devices under different loads is ensured by adopting a distributed coordination algorithm, task scheduling is more flexible and efficient by analyzing task dependency and state changes of the devices, optimizing the task execution sequence and arranging the execution time and stations of the devices, and the task scheduling efficiency is improved by judging synchronous execution conditions and obtaining time nodes. The synchronous execution sequence of the tasks is coordinated, repeated occupation or idling of equipment resources is avoided, and the stability and task processing capacity of a sequence control system are improved.

The invention discloses a one-key starting system and method for an alkaline water electrolysis hydrogen production device, the system comprises a control system and a one-key starting control unit, and the control system is connected with the one-key starting control unit; the one-key start control unit comprises a standby panel soft button, a start panel soft button, a make-up pump selection soft button and a drainage panel soft button; therefore, the whole starting process of the alkaline water electrolysis hydrogen production device is subjected to sequential control integration, a safe and efficient one-key starting scheme with high automation degree is formed, safety risks in the manual starting process are avoided, manpower is saved, the labor cost is reduced, meanwhile, the starting time is shortened, unnecessary energy waste in the starting process is reduced, and the starting efficiency is improved. Therefore, the problems that the starting speed of the cluster electrolytic cell is low and the starting operation difficulty of the cluster electrolytic cell is high due to human factors in a large-scale electrolytic hydrogen production project are solved.

The invention discloses an intelligent blasting sequence control system for mixed loading explosives, which is provided with a data acquisition module, a data preprocessing module, a model construction module, a parameter optimization module, a multi-target control module and a data storage module to intelligently control the blasting sequence of the mixed loading explosives. Distance attenuation features, delay features, topographic features and blasting energy features of blasting data are constructed, the blasting prediction model is updated and iterated based on a neural network algorithm and historical blasting data information, and the performance of the blasting prediction model is evaluated. The number of hidden layers and the number of nodes in the blasting prediction model are updated and optimized through a control variable method, the blasting prediction model is optimized, when mixed explosive is adjusted and the blasting sequence is optimized, the optimal mixed explosive composition is searched through a search optimization algorithm, and the optimal mixed explosive composition is obtained through control signals in combination with real-time blasting data information. And the blasting sequence and delay are dynamically adjusted, so that the blasting of the mixed explosive is intelligently and accurately controlled in real time.

The invention discloses a dynamic interactive prompt sequence control method for chemical production, and relates to the field of flow industrial processes. Based on a state transition rule of a Phase functional block, linear execution and conditional jump of sequential control steps in a polymerization reaction temperature step control scene are realized through SFC programming, interactive processing and SFC logic steps are bound, and an interactive dialog box is triggered in a unified manner through an operation guide window. And the main program and the subprogram realize abnormal state linkage through an FAILIDX mark, and automatically detect a fault clearing state when the abnormity is recovered. The interactive processing dynamically generates an option list, supports multi-language switching, verifies input values in real time, and provides historical suggested values. The method aims at solving the problems that in a traditional sequence control system, the coupling degree of interaction logic and a core control program is high, operation interfaces are not uniform, and the misoperation risk is high, transplanting of cross-control systems and cross-process packages is supported, and the secondary development cost is remarkably reduced.

A voltage mode weak-PUF circuit with rich challenge-response pairs comprises four decoders, two PUF arrays, a sequential control circuit and a voltage comparator. One-to-two PUF arrays are used to replace existing one-to-one PUF arrays to increase the number of challenge-response pairs by 2N times, from 2N realized by the one-to-one PUF arrays to 2N×2N, wherein N=a+b. Each PUF cell comprises m*n PUF cells and n transmission gates, and adopts a simple common-source amplifier structure formed by a first PMOS transistor, a first NMOS transistor and a second NMOS transistor, wherein any one PUF cell in one PUF array can be compared with any one PUF cell in the other PUF array to generate an output response. The number of output responses is 2N, so the proportion of the PUF cells for generating one challenge-response pair is 2N / 2N=1 / 2N, and the reuse rate of the same PUF cell is merely 1 / 2N.

A method and system are provided for identifying time-varying suspension characteristics of heavy-load vehicles. The method includes collecting sequential control state data of a mining truck using sensors, predicting parameter-related factors through a deep learning network, estimating suspension stiffness and damping coefficients via a linear dynamic model considering longitudinal-vertical coupling, and predicting future system states through a nonlinear dynamic model based on the estimated parameters and learned factors. According to the method, a deep learning network is integrated into a physical model of the mining truck, an accurate longitudinal-vertical dynamical model of the mining truck is established, accurate suspension parameters are identified, the stiffness damping time-varying characteristics of the suspension of the mining truck are given through a physical model-data driving method, and the model has certain interpretability and generalization; the rigidity and damping of the four suspensions can be obtained only through sprung information.

Provided is a parallelized and modular planning system that controls multiple actors in performing different tasks simultaneously without conflict based on plans that are modularly created and / or updated. The system may update different parts of different plans at the same time without redefining those plans anew. The system may include a first subsystem that generates a first plan based on an assignment of a first task to a first actor, while a second subsystem provides a path for a second plan assigned to a second actor, while a third subsystem determines access ordering by which a third actor accesses a first resource from a path of a third plan, and while a fourth subsystem controls operation of a fourth actor in accessing a second resource from a path of a fourth plan based on an access ordering determined for the second resource by the third subsystem.

The invention relates to the technical field of signal testing, in particular to a receiving end testing device of an OLT optical module. Comprising at least four independent error code test units capable of working in parallel, and is used for generating a high-speed test signal and analyzing the error rate of a receiving end; a burst signal control module which is connected with the multi-channel continuous error code test module and is used for dynamically generating a burst control signal, a reset signal and a trigger signal corresponding to each channel and realizing synchronous calibration of the multi-channel error code test through sequential control; and the protocol adaptive module is embedded in the burst signal control module and automatically configures a burst period, an optical power threshold value and a reset time sequence according to a GPON / XGPON / XGSPON protocol. The receiving end test equipment of the OLT optical module can realize efficient test and is relatively low in test cost.

The invention relates to a hydrogen refueling station system which comprises a gas filling column, a compression system, a hydrogen storage system and a hydrogen filling machine which are sequentially connected in series, the compression system comprises a first compressor and a second compressor, the first compressor is connected with a first hydrogen storage bottle set, and the second compressor is connected with a second hydrogen storage bottle set. The sequence control panel arranged in the hydrogen refueling station system obtains the pressure in the equipment to be subjected to hydrogen refueling in real time according to the set control logic and judges the relation between the pressure and the hydrogen storage containers of different grades so as to adjust opening and closing of the corresponding valves and the opening degrees of the valves, hydrogen refueling of two refueling pressures is achieved in one hydrogen refueling station, and the safety of hydrogen refueling is improved. The device can be applied to equipment to be subjected to hydrogenation in different scenes, so that the filling pressure is controlled within a safe range, the hydrogenation safety is improved, meanwhile, hydrogenation is carried out at proper filling pressure, and the hydrogenation speed and efficiency are improved.

The invention relates to a control rod drop function availability automatic test method and a DCS system, and the method comprises the steps: receiving a test start instruction, entering a test mode, and in the test mode, obtaining the test sequence of each test rod group, and the measurement rod position and the counting rod position of a control rod; sending a bar moving instruction to the current test bar group; after the control rod action of the current test rod group is completed, the counting rod position is consistent with the target rod position, and the change of the measuring rod position of the control rod is detected; judging whether the change of the measurement rod position of the control rod accords with a preset threshold value; and if yes, judging that the control rod drop function availability test of the current test rod group is qualified. According to the invention, the availability test of the rod falling function of the control rod is changed from the traditional manual operation to the automatic test, so that the loss caused by human errors is effectively avoided; time consumed by the whole test is shortened, manpower is saved, and test execution efficiency is improved; and automatic checking is carried out, and a test result is given, so that human errors caused by long manual checking time are avoided.

The invention discloses a task processing method, a task scheduling method, equipment, a medium and a product, and relates to the technical field of storage. According to the scheme, the interior of the solid state disk is divided into a plurality of storage areas with independent computing power, specifically, based on the improved solid state disk controller, each storage area is configured with an exclusive micro-computing unit, a data transmission control module and a sequential control module, data computing operation of the corresponding storage area can be processed, and the data computing efficiency is improved. The transmission of data between the storage device and the external computing unit is greatly reduced, and the I / O bottleneck is avoided; and meanwhile, the solid state disk is in communication connection with the plurality of near storage computing nodes through the first preset protocol switching module, so that computing and storage hardware can be flexibly configured and expanded according to actual requirements, the hardware cost is effectively reduced, and the compatibility of the system is enhanced.

The invention provides a broken thick and large ore body combined mining method based on medium-length hole blasting and drift type cooperation, and belongs to the field of ore body mining. Firstly, an ore body is segmented and partitioned, blocks are formed in a three-dimensional space, then the blocks are alternately operated through sequential control, meanwhile, the positions of a pre-splitting area and a recovery area are limited in the space, and the positions of the pre-splitting area and the recovery area are determined; and safe and efficient mining of the broken thick and large ore body is realized in cooperation with a medium-length hole subsection presplitting blasting and drift stoping process. According to the method, on the basis that the broken thick and large ore body is segmented and partitioned, and time sequence and space regulation and control are conducted on operation of the blocks, medium-length hole blasting is used for presplitting the ore body, controllable caving lumpiness is formed, direct disturbance to a recovery area is reduced, caved ore is efficiently recovered by adopting access road type mechanical equipment, and the recovery efficiency is improved. The large-scale caving advantage of the medium-length hole sublevel mining method is exerted, safe and efficient recovery of the broken ore body is guaranteed through drift type mining, and remarkable technical breakthrough is achieved.

The invention discloses a load insertion detection circuit, a control method thereof and a multi-port charger, and belongs to the technical field of multi-port charging. The load insertion detection circuit comprises a comparison unit, a first input end is connected with a load access node, a second input end is used for accessing a reference voltage, and the comparison unit outputs a first signal when the voltage of the first input end is greater than the voltage of the second input end; each pull-up circuit comprises a switch and a resistor which are connected in series, the first end of each pull-up circuit is electrically connected with the same power supply voltage node, the second end of each pull-up circuit is electrically connected with the load access node, and the resistance values of the resistors are different; the control circuit is electrically connected with the driving end of each switch and the output end of the comparison unit, the control circuit controls the corresponding switches to be switched on according to the sequence that the resistance values of the resistors are decreased progressively until the comparison unit outputs the first signal, the switching-on state of the switch which is switched on currently is maintained, load insertion detection is carried out, the detection range is enlarged, and the anti-interference performance is improved.

The control device comprises a control module, an ice melting power supply module, a boundary switch, a short circuit switch and an ice melting switch, the boundary switch, the short circuit switch, the ice melting switch and a protection switch are arranged on a high-voltage cable, and the control module sequentially drives the boundary switch, the short circuit switch, the ice melting switch and the protection switch to execute state switching through action instructions. The conduction control of the ice melting loop is realized; the control module integrates a finite element algorithm function, collects current, voltage and temperature distribution parameters in an ice melting loop in real time, and dynamically corrects ice melting current parameters through three-dimensional electromagnetic-thermal coupling field simulation; setting a parametric modeling unit, and calculating an optimal voltage regulation gear based on a heat balance equation and a Joule heat effect to realize adaptive voltage regulation; the demarcation switch, the short circuit switch and the ice melting switch are arranged, the effect of cable short circuit heating ice melting is achieved by sequentially controlling the on-off states of all the switches, finite element real-time simulation and parameterization voltage regulation decision are combined, and the cable ice melting efficiency, reliability and safety are remarkably improved.

The invention discloses an ultrasonic transducer array control method, an ultrasonic flowmeter, equipment, a storage medium and a program product, the array element spacing of an ultrasonic transducer array is larger than half of the ultrasonic wave length, the ultrasonic transducer array comprises a plurality of channels, and the method comprises the steps that the same excitation signals are applied to the channels respectively; wherein the excitation signals between the adjacent channels have time delay, so that the ultrasonic transducer array generates a multi-valve ultrasonic sound field. Therefore, controllable adjustment of the number and the direction of the valves can be realized by changing the array element spacing and the sequential control parameters of the excitation signals, and the flexibility and the adaptability of an ultrasonic sound field are effectively improved.

The invention discloses an active power synthesis network of a micro-strip and waveguide hybrid architecture. The active power synthesis network comprises a micro-strip power division network, a micro-strip power amplification circuit, a waveguide power combiner and a power-on / power-off sequence control circuit. The power synthesis network is designed by adopting a micro-strip and waveguide hybrid architecture, so that the overall size can be greatly reduced on the premise of ensuring the power capacity of the power synthesis network; the power-on / power-off sequence control circuit based on the Zener diode is designed, the power amplification chip can be effectively protected and prevented from being damaged due to the wrong power-on / power-off sequence, meanwhile, the number of power needing to be supplied to the power amplification chip at the same time is reduced, and the use complexity of the power synthesis module is reduced.

The invention relates to a distributed model reasoning method, device and equipment and a storage medium, the method is applied to center equipment of a distributed network system, and the distributed network system comprises one piece of center equipment and a plurality of pieces of edge equipment; comprising the following steps: dividing a to-be-distributed model according to structure information of the to-be-distributed model to obtain a plurality of sub-models, and distributing each sub-model to at least one edge device; wherein the structure information represents a hierarchical structure between the model layers, and the plurality of sub-models form a to-be-distributed model; if the model reasoning request is responded, obtaining resource information of each edge device; wherein the resource information represents the operation state of the edge device; determining a target device from the at least one edge device allocated by the sub-model according to the resource information of each edge device; and controlling the target equipment to execute the corresponding sub-model according to the execution sequence among the sub-models. The operation efficiency of the model is improved, and full utilization of resources is realized.

The invention provides a full-automatic control system of pulverized coal preparation equipment. The full-automatic control system comprises a flue gas furnace automatic combustion control unit, a hearth pressure stabilizing and mill outlet temperature limiting control unit, a mill outlet temperature control unit and a powder preparation equipment start-stop sequence control unit. The system is a full-automatic control system capable of realizing automatic start-stop and production of the whole system and automatically adjusting the temperature of the outlet of the mill and the pressure of the hearth of the flue gas furnace, and can realize full-automatic control of a pulverized coal preparation process, so that the workload of post operators can be greatly reduced, and the safe operation level of process production is improved.

The invention provides a system shutdown control method and device, electronic equipment and a readable storage medium, and relates to the technical field of terminals.The control method comprises the steps that in response to shutdown operation, a plurality of target tasks to be processed before system shutdown and the task type of each target task are obtained; determining a processing sequence of the plurality of target tasks according to the task type of each target task; according to the processing sequence of the multiple target tasks, controlling a target application corresponding to each target task to process the target task; after the multiple target tasks are processed, the system is controlled to be shut down. Before the system is shut down, according to the processing type of each to-be-processed target task, each target application is controlled to process the corresponding target task according to a certain sequence, the processing requirements of different types of target tasks before the system is shut down are met, and the flexibility of the system shutdown is improved.

The present invention discloses a domino-type multi-stage interlocking power consumption management circuit, which belongs to the field of integrated circuit technology. It mainly solves the problem that traditional energy consumption management chips are difficult to adapt to fluctuations in process, voltage, and temperature, which may cause the problem of chip logic locking failure under special working conditions. The circuit includes a fuse logic generation circuit, a latch matrix, a back-end module, and a power sensing front end, and also includes a multi-stage timing interlocking circuit with a domino effect. The present invention optimizes the concept of power consumption management and locking timing, optimizes and manages power consumption in a multi-stage interlocking manner, abandons the control function of the enable signal, and performs adaptive sequential control in the power supply dimension. It is a supplementary power-on timing management method that ensures effective logic locking while adaptively reducing additional power consumption, and has positive practical significance and practical value.

The invention discloses a transformer substation one-key sequential control synchronous debugging method based on an autonomous controllable CMS protocol, and the method comprises the steps: configuring a CMS client which comprises a PER coding and decoding module based on an ASN.1 standard, and building communication with spacer layer equipment; analyzing the audited sequence control ticket, verifying the compliance through a rule engine, and if the compliance is not passed, marking an error and giving a suggestion; the edge computing host generates a synchronous debugging instruction in combination with the real-time remote signaling / telemetering data, and issues the synchronous debugging instruction through a LoRaWAN protocol; deploying a sensor to collect the state of target equipment, and giving an alarm in real time when abnormity occurs; and if the debugging accuracy is lower than a preset threshold value, analyzing the deviation and iteratively optimizing the model. The method is compatible with CMS and MMS protocols, and different substations can be adapted without the support of manufacturers; the problems of traditional debugging power failure, flow interference and the like are solved, multi-device synchronous debugging and fault self-repairing are achieved, and the intelligent operation and maintenance requirements of a transformer substation are met.

One or more embodiments of the invention relate to the technical field of power Internet of Things application, in particular to a low-voltage line management and control method and system with a self-healing function. The system comprises a state sensing module which is used for obtaining power state parameters of a power distribution network comprising two paths of incoming lines and two sections of buses; the logic judgment module is used for sending a spare power automatic switching execution instruction to the control execution module based on a preset spare power automatic switching starting condition when it is detected that any one of the two sections of buses loses voltage and the dynamic parameters of the power distribution network meet the spare power automatic switching starting condition, so as to execute a spare power automatic switching transfer flow; and the control execution module executes a spare power automatic switching transfer flow according to the spare power automatic switching execution instruction sent by the logic judgment module, and the spare power automatic switching transfer flow comprises the step of sending an operation instruction to each circuit breaker according to a preset sequential control mode when the power distribution network meets the preset sequential control mode so as to automatically switch the operation mode of power supply.

The invention discloses a strip steel transmission dynamic compensation sequence control integrated device, and relates to the technical field of strip steel transmission dynamic compensation, a tension detection module M1 is used for collecting strip steel tension signals in real time, and a speed detection module M2 is used for collecting rotating speed signals of all transmission motors in real time; and the dynamic compensation control unit C1 is connected with the tension detection module M1 and the speed detection module M2 through a digital bus, calculates a feedforward compensation amount through a model prediction algorithm based on the deviation between the tension signal and a preset target tension, and generates a closed-loop tension adjustment instruction. Cascade feed-forward and closed-loop dynamic compensation are designed, so that tension feed-forward prediction compensation is superposed on the basis of a speed closed loop, tension deviation is quickly suppressed by using an error derivative, the defects of slow mutation response and large overshoot of a traditional pure PID are eliminated, the tension fluctuation control precision is improved, and the response time is shortened.

The invention belongs to the field of unit control, and provides an APS automatic start-stop control method and system for a test power station verification unit. The APS automatic start-stop control method of the test power station verification unit comprises the steps that an APS unit start control command is received, preparation function group start operation is executed, after all preparation function groups are started, furnace sequential control, gas turbine sequential control and steam turbine sequential control commands are started in sequence, the APS unit start process is ended, and the APS unit is put into coordinated control; and receiving a shutdown control command of the APS unit, and sequentially executing sequential control commands of stopping a denitration system, stopping a steam turbine, stopping the gas turbine, stopping a vacuum shaft seal and stopping a boiler auxiliary machine after reducing the load of the gas turbine to a set load, so that the APS unit starts from the current load to stopping of a waste heat boiler and finally stopping of a condensed water system.

The invention discloses a sequential control device and method based on rotating blades of an electromagnetic gun bird bomb launching device. The sequential control device comprises a vacuum chamber, a vacuumizing system and a rotating system, the bird bomb launching device is arranged in the vacuum chamber, a capacitor device is connected with the bird bomb launching device, and a camera is arranged in the vacuum chamber; the rotating system is arranged in the vacuum cabin and can move out of the vacuum cabin, the rotating system comprises a vertical plate, a rotating device is arranged on the vertical plate, a test piece rotor is detachably connected to an output shaft of the rotating device, a blade is connected to the test piece rotor, an inductor is installed on the blade, a sensor is arranged on the vertical plate, and the sensor can detect the inductor. The signal is sent to the controller and the synchronizer, the controller can control the starting of the capacitor device, and the synchronizer can set the starting delay time of the capacitor device. According to the technical scheme, the positions of the bird bombs impacting the blades can be accurately controlled, the test precision is improved, the number of the blades required to be assembled for testing the rotor is reduced, and the test cost is reduced.

A method 100 for determining a setup sequence of bus devices of an automation network is proposed, comprising the steps: Providing a data packet in a first step 105, receiving the data packet via an input / output port of a bus participant and detecting a first time stamp in a second step 110, Outputting the data packet via another input / output port of the bus participant on the outward path to another bus participant in a third step 115, Receiving the data packet via an input / output port of the further bus participant and detecting a first time stamp of the further bus participant in a fourth step 120, Receiving the data packet via the further input / output port of the bus participant and capturing a second time stamp of the bus participant in a fifth step 125, outputting the data packet via the input / output port of the bus participant on the return path in a sixth step 130, and Relating the first and second timestamps of a bus participant to one another in a seventh step 135 in order to determine the setup sequence of the plurality of bus participants based thereon.

The invention relates to the technical field of radio frequency chip performance testing, and particularly provides a real-time visualization method and visualization system for radio frequency chip performance testing, traditional single-thread sequence control is replaced by a multi-thread asynchronous acquisition architecture, and the testing efficiency is remarkably improved; through adding a timestamp label mechanism to each piece of test data, the cross-device data synchronization precision reaches a microsecond level, and the problem of asynchronous triggering of a radio frequency signal and direct current bias is solved. The radio frequency index data table constructed by automatic association realizes intelligent aggregation analysis of multiple parameters under multiple combinations, and avoids manual matching errors caused by data dispersed storage in a traditional scheme. Based on an automatic threshold setting and real-time judgment function of a test protocol, intelligent switching of judgment standards under a multi-protocol standard is supported, errors caused by manual configuration are reduced, and modification during protocol updating is avoided. And real-time visual rendering enables a user to dynamically observe a multi-parameter association change trend, so that the problem positioning efficiency is improved.

The invention discloses a vehicle part multi-point-position tightening method, device and equipment and a storage medium, relates to the technical field of vehicle part installation, and discloses a vehicle part multi-point-position tightening method which comprises the steps that when a vehicle enters a tightening station, the position of a tightening point and the torque of the tightening point are obtained; sending the position of the tightening point to the positioning device, so that the positioning device determines the coordinate of the tightening point based on the position of the tightening point and feeds back the coordinate; setting a tightening sequence according to the tightening point coordinates and the tightening point torques; and tightening the parts according to the tightening sequence to obtain a tightening result, and completing multi-point tightening according to the tightening result. By means of the technical means that a space vision positioning system is combined with tightening sequence control, mistake-proofing control and tightening quality guarantee of vehicle part multi-point-position tightening operation are achieved.

Systems and associated methods for controlling operation of loading dock equipment are described herein. In some embodiments, the system and associated methods can be used to control operation of loading dock equipment (e.g., a vehicle restraint, a dock door, a dock leveler, etc.) according to a sequence of operations. The sequence of operations can include different sub-sequences based on loading dock conditions. The system can include a display screen that sequentially presents a series of control elements that enable operation of the loading dock equipment. Additionally, the visual appearance and / or sequence of presentation of the control elements indicate the proper sequence of selection to the user, thereby reducing user confusion and simplifying the operation of the loading dock equipment. Some functionality of the control panel can be enabled or disabled based on a current level of authorization.