218 results about "Change control" patented technology

The invention relates to a mold injection molding speed control method, device and equipment, a medium and a program product. The method comprises the following steps: acquiring dynamic behavior information in a mold cavity of the injection mold and screw displacement data of injection molding equipment; carrying out fusion processing on the screw displacement data and the dynamic behavior information to obtain fusion data; inputting the fusion data into a pre-constructed melt front edge prediction model, and generating a target injection molding speed control curve by using preset target molding strategy parameters; wherein the target injection molding speed control curve is used for controlling the injection molding equipment to execute corresponding injection molding speeds in different injection molding stages; the target injection molding speed control curve comprises at least two speed change control sections so as to adapt to mold filling requirements of different stages; and the target injection molding speed control curve is input into an injection molding machine control system, so that the injection molding machine control system executes injection molding action according to the target injection molding speed control curve, and the melt is pushed along the mold cavity. By adopting the method, the accuracy of the forming speed can be improved.

The invention relates to the technical field of machine tool tool magazines, in particular to a hydraulic inverted translation tool magazine tool changing control method and system.The hydraulic inverted translation tool magazine tool changing control method comprises the steps that S10, the tool storage positions of a tool magazine are numbered clockwise from 1 to n, and n is the tool storage upper limit; labeling each cutter to form a cutter number and installing the cutter number; s20, the tool magazine is initialized, tool storage position numbers and tool numbers are recorded into n columns and two rows, a comparison table is formed, and all tools are recorded; s30, according to the tool changing instruction, shortest path L calculation is conducted on the tool storage position number y corresponding to the target tool and the tool storage position number z of the tool changing position where the target tool is located; s40, the tool magazine is moved according to the calculation result of the L, and the target tool is moved to a tool changing position; s50, whether the tool changing position tool number is consistent with the target tool number or not is recognized, and if yes, the tool changing action is conducted; s60, the spindle tool is installed at the tool storage position where the tool changing position is located, the comparison table is updated, and the tool changing action is finished; the tool changing efficiency is effectively improved.

The invention discloses a multivariable collaborative thermal power generating unit rapid variable load control system comprising an acquisition module used for acquiring and receiving an AGC instruction; the variable load instruction preprocessing module is used for calculating a load change rate according to the AGC instruction, and calling a dynamic model according to the load change rate to predict an energy gap in the future 30 seconds; the dynamic load feed-forward compensation module is used for generating a feed-forward control quantity through an energy gap and distributing a feed-forward instruction to the fuel quantity, the water supply quantity and the steam turbine control valve of the thermal power generating unit; the multivariable coordination control module is used for establishing a steam side-combustion side decoupling control matrix, substituting the unit state quantity acquired in real time into the steam side-combustion side decoupling control matrix, calculating to obtain a feedback correction quantity, and synthesizing to obtain a total control quantity; the parameter self-optimization engine module adopts a double-layer optimization algorithm to respectively trigger a genetic algorithm to reset parameters and an application model to predict, control and optimize local parameters in a rolling manner; and the safety constraint decision module is used for monitoring the key parameter out-of-limit risk in real time and starting load rate limitation when the key parameter out-of-limit risk is out-of-limit.

The invention belongs to the technical field of cable sheath production, and discloses a cable sheath die change control method and system.The method comprises the steps that A1, according to the specification of a target sheath, initial process parameters are determined through a historical reference model to start extrusion equipment; a2, in the operation process of extrusion equipment, collecting real-time process parameters and corresponding real-time sheath product quality data; a3, calculating the parameter compensation adjustment amount between the current working condition and the historical reference working condition according to the real-time process parameters and the corresponding real-time sheath product quality data; a4, combining the initial process parameter with the parameter compensation adjustment amount to obtain a process parameter adjustment value aiming at the current working condition, and sending the process parameter adjustment value to a control system of the extrusion equipment so as to enable the extrusion equipment to operate according to the process parameter adjustment value; a5, repeating the steps A2 to A4 until the quality of the sheath product meets the target requirement; therefore, the efficiency and precision of process parameter adjustment after die replacement can be improved, the dependence on the experience of operators is reduced, and the rejection rate is reduced.

The invention discloses an automatic die changing control system of a press machine. The automatic die changing control system comprises a programmable logic controller, electrical hardware electrically connected with the programmable logic controller and an execution component. The programmable logic controller is configured to achieve the control functions of sliding block die-filling height adjustment, balancer air pressure adjustment, die clamping device action, movable workbench operation and die identification number switching, and triggers at least two control functions to be executed in parallel in the die changing process. The programmable logic controller is connected with all electrical hardware and execution components through preset program logic so as to control starting, running and ending of the automatic die changing process in the whole process.

The invention provides a visual form construction method, which comprises the following steps: receiving user form operation data, carrying out business logic calculation, state change control and inter-service coordination operation on the user form operation data based on domain-driven design, and generating domain events, state data and service governance data. Domain events and state data are recorded to an event storage system, a query optimization view is constructed, event logs and query view data are generated, and dual optimization of data persistence and query efficiency is ensured. According to a preset security policy rule, real-time security monitoring is performed on the service governance data, a system health state index and security audit data are generated, and a system-level observability and security protection mechanism is established. And performing interface rendering and synthesis based on the event log, the query view data, the system health state index and the security audit data to generate a user interactive form interface. Through fusion processing of multi-source data, deep integration of interface rendering and security policies is realized.

A driving assistance method for a vehicle comprises: suspending autonomous lane change control when a driver's steering operation input during execution of the autonomous lane change control satisfies a predetermined suspension condition; executing first autonomous lane change control for changing a traveling direction and traveling along a travel route to head for a set destination and second autonomous lane change control, other than the first autonomous lane change control, in which the traveling direction is not changed; and setting the predetermined suspension condition for the first autonomous lane change control to a condition under which the autonomous lane change control is more readily suspended than under the predetermined suspension condition for the second autonomous lane change control.

The invention relates to the technical field of data analysis, in particular to an inter-application interface change control method and system based on data consanguinity analysis, and the method comprises the steps: 1, collecting data consanguinity; 2, constructing a weighted blood relationship map; step 3, change influence analysis; and 4, carrying out change evaluation. Compared with the prior art, the method and the system have the advantages that by constructing the weighted data consanguinity map, an upstream data source and a downstream dependency system of interface parameters between applications can be quickly positioned, and the interface change influence can be accurately predicted.

The invention discloses a lane changing control method of a vehicle, the vehicle and a computer readable storage medium, and the method comprises the steps: determining whether the vehicle can change a lane from a current lane to an adjacent target lane or not before the vehicle changes the lane; if it is determined that the vehicle can change the lane from the current lane to the target lane, a secure lane changing control method is executed, and the secure lane changing control method comprises the step of determining whether the vehicle is parallel to the cart or not after the vehicle changes the lane to the target lane. If it is determined that the vehicle is not parallel to the cart after changing to the target lane, the vehicle is controlled to change to the target lane. By determining whether the vehicle is parallel to the cart after changing the lane to the target lane, the situation of the adjacent lane of the lane where the vehicle is located after lane changing is fully considered. If it is determined that the vehicle is not parallel to the cart after changing to the target lane, the vehicle is controlled to change to the target lane. Therefore, the driver can be prevented from running in parallel with the cart after lane changing is completed, and the safety of the driver is guaranteed.

To improve convenience for an occupant (for example, a driver) of a mobile object.SOLUTION: A control device performs: (a) determining whether a length in a traveling direction of a connection area in which a first lane and a second lane are connected satisfies being a length for changing a lane of a mobile object to the second lane at speed equal to or higher than predetermined speed at which automatic lane change control is executable; (b) determining whether changing the lane of the mobile object to the second lane is possible in the connection area at speed of the mobile object; and when the mobile object is scheduled to change the lane to the second lane, notifying an occupant of the mobile object that the mobile object cannot change the lane to the second lane by performing the automatic lane change control before the mobile object arrives at the second lane if (a) is not satisfied, and decelerating the mobile object to speed at which the mobile object can change the lane to the second lane and which is equal to or higher than the predetermined speed if (a) is satisfied and (b) is not satisfied.SELECTED DRAWING: Figure 1

The invention provides a vehicle lane changing control method and electronic equipment, and the method comprises the steps: controlling a vehicle to run along a target lane line corresponding to a target lane under the condition of determining that the vehicle has a target lane changing intention, and determining whether a corresponding lane changing condition is met or not; if yes, the vehicle is controlled to complete lane changing; if not, the vehicle is controlled to run towards a target preceding vehicle corresponding to the target vehicle in the target lane in an attached mode, and whether the corresponding lane changing condition is met or not is determined again; if yes, the vehicle is controlled to complete lane changing; if not, determining whether to arrive at a target lane changing node corresponding to the vehicle, if not, continuing to enable the vehicle to be in a vehicle sticking driving state, continuing to determine whether to meet a corresponding lane changing condition, if so, controlling the vehicle to forcibly run towards the target vehicle, and determining whether to meet the corresponding lane changing condition again until the corresponding lane changing condition is met. And controlling the vehicle to complete lane changing. In this way, safer, more reliable and more effective vehicle lane changing treatment can be achieved.

The invention provides a frequency converter current abrupt change control method for a compressed air energy storage system, and belongs to the technical field of abrupt change control, and the method comprises the steps: collecting the output current data of a frequency converter of the compressed air energy storage system in real time, and obtaining the current change rate; the current change rate is compared with a preset dynamic threshold value, and whether a current sudden change trend exists or not is judged; if the sudden change trend exists, a closed-loop control mode is triggered; meanwhile, a feedforward compensation mechanism is introduced, control parameters are adjusted in advance according to the load change trend, and the system response speed and control precision are improved. Therefore, by dynamically detecting the current change trend of the frequency converter of the compressed air energy storage system and combining the closed loop and feedforward control strategy, quick response can be performed before or at the initial stage of current sudden change of the frequency converter of the compressed air energy storage system, and the current sudden change of the frequency converter of the compressed air energy storage system is effectively inhibited; and the control precision and the system stability are improved, and the method is suitable for compressed air energy storage systems under complex working conditions.

The invention discloses an automatic lane changing control method based on LQR transverse control, and the method comprises the following steps: S1, activating an LCC transverse lane centering function, and obtaining parameters of a vehicle, a front vehicle and a camera; s2, acquiring a lane and adjacent lane center line equation by using camera data; s3, detecting a steering lamp signal in combination with the vehicle and lane information; s4, if a signal is detected, planning a quintic polynomial lane changing path based on current and target lane information; s5, calculating a steering wheel angle control quantity by using an LQR algorithm, and changing lanes along a planned path; s6, in the lane changing period, dynamically adjusting the path according to the vehicle state and the target point position, and entering a second lane changing stage when the vehicle is close to the target point; s7, after the vehicle gets close to the target point, the preview point is cut to the center line of the current lane and kept for 1 second, and then the LCC lane center controls the vehicle to be taken over; the intelligence of the ALC longitudinal control function is improved, whether the surrounding environment meets the lane changing condition or not is judged, and the system better conforms to the operation intention of a driver.

The invention discloses a zero-point positioning rotary table and a table changing control method, and belongs to the technical field of common functional parts of machine tools. The rotary table comprises a sliding seat, a direct-drive motor, a positioning disc, a brake mechanism, a zero-point positioning mechanism and a working table, the direct-drive motor is installed in the sliding seat, a mandrel is arranged in the direct-drive motor, a grating ruler is arranged outside the mandrel, the positioning disc is arranged on the direct-drive motor and can drive the direct-drive motor to rotate, and the zero-point positioning mechanism is arranged on the working table. The brake mechanism is installed on the sliding seat and can lock the positioning disc, and the workbench is detachably connected with the positioning disc through the zero point positioning mechanism. The device further comprises an oil path and a plurality of gas paths, and the oil path and the gas paths are integrated on the mandrel and extend to the zero point positioning mechanism. According to the invention, the zero point positioning system is deeply integrated on the rotary table, and the functions of blowing cleaning and air tightness detection are carried, so that higher-level structure integration is realized; and through cooperative operation of the direct-drive motor and the clamping mechanism, the workpiece clamping precision and reliability are remarkably improved.

The invention provides a multi-vehicle cooperative lane changing control method, device and equipment and a medium, and relates to the technical field of vehicles, and the method comprises the steps: planning a plurality of lane changing actions for each cooperative vehicle in a plurality of cooperative vehicles in a future time period, and planning a plurality of lane changing actions for each cooperative vehicle in the plurality of cooperative vehicles in a future time period; a plurality of lane changing actions of each cooperative vehicle in the future time period are evaluated, a reward function value corresponding to each cooperative vehicle is obtained, and the reward function value corresponding to each cooperative vehicle is used for representing the influence of the cooperative vehicle driving in the future time period according to the planned lane changing actions on the traffic flow in the future time period; all combinations of the multiple lane changing actions of the multiple cooperative vehicles in the future time period are traversed, and multiple multi-vehicle cooperative lane changing schemes are generated; and based on the reward function values corresponding to the multiple cooperative vehicles, determining a total reward function value of each multi-vehicle cooperative lane changing scheme, and sending a control instruction to the multiple cooperative vehicles according to the multi-vehicle cooperative lane changing scheme with the maximum total reward function value.

The invention relates to a robot quick-change control system based on interlocking of multiple electromagnetic valves. The robot quick-change control system comprises an electromagnetic valve module, a state detection module, a controller and a bus communication module. Wherein the electromagnetic valve module comprises an air source input end and three groups of electromagnetic valves, namely a normally-open two-position five-way electromagnetic valve EV1, a first normally-closed two-position five-way electromagnetic valve EV2 and a second normally-closed two-position five-way pilot electromagnetic valve EV3, which are used for controlling the quick-change mechanism to be locked and unlocked. And the three groups of electromagnetic valves are reasonably combined to construct gas circuit control logic with sequential interlocking, safe closed loop and power failure protection functions. The invention further relates to a corresponding control method and device. By the adoption of the robot quick change control system, method and device, the action feedback capacity and the integrity of control logic are remarkably enhanced while the safety and reliability of the system are guaranteed, and the robot quick change control system, method and device are particularly suitable for robot automatic operation scenes with the high safety level requirement and have the prominent application value.

To provide a control device for a human-powered vehicle that can contribute to appropriate running of the human-powered vehicle.SOLUTION: A control device for a human-powered vehicle comprises a control part that is configured to control at least one of a speed change gear and a motor. The control part is configured to switch a control state from a first control state to a second control state, when acceleration of the human-powered vehicle is in a predetermined acceleration range and a driving wheel rotation speed is in a predetermined rotation speed range. The second control state, which is different from the first control state, includes at least one of a speed change suppression control state in which the control part controls the speed change gear so that a change gear ratio is suppressed from changing and an assist change control state in which the control part controls the motor so that output of the motor is changed.SELECTED DRAWING: Figure 2

A driving control method is performed to execute a lane-change control for controlling a host vehicle to autonomously change lanes from a first lane to an adjacent second lane using a processor of a driving control device that controls vehicle speed and steering of the host vehicle traveling in the first lane in an autonomous driving mode. The processor determines that the lane-change control can be executed upon determining that the other vehicle has been detected in a detection zone of the second lane, based on a detection result of a sensor. The processor determines that the lane-change control cannot be executed upon determining that the other has not been detected within the detection zone of the second lane. The processor outputs information regarding whether the lane-change control can be executed.

The embodiment of the invention discloses a production change control method and device for mixed line production and a medium, and relates to the technical field of production control, and the method comprises the steps: collecting real-time production index data corresponding to a current production product in a current production line in real time under the triggering of a production change instruction issued by a production management system, obtaining a target process parameter set corresponding to the target product change product; according to the real-time production index data and the production change instruction, a production change state vector containing a production change stage label is determined, and the production change stage label comprises a production change preparation stage, a production change pre-adjustment stage and an execution stage; and based on the production change state vector and the target process parameter set, through a preset reinforcement learning agent, determining a time sequence production change action sequence, converting the time sequence production change action sequence into an equipment control instruction for instruction distribution, and realizing production change control. The sequential production change action sequence comprises a pre-adjustment action instruction, a parallel scheduling instruction and a parameter loading instruction.

A target gear stage of the automatic transmission of the own vehicle (following vehicle) is determined based on the target acceleration (=required drive torque) and the target vehicle speed of the leading vehicle by the convoy participation time speed change control unit, and when the target gear stage and the actual gear stage of the own vehicle are different, the gear stage of the automatic transmission of the own vehicle is switched to the target gear stage in advance. Thus, the speed change of the following vehicle participating in the convoy traveling can be executed in advance on the gear stage for obtaining the driving force for following the leading vehicle, and disturbance of the convoy traveling is suppressed.

The invention relates to the technical field of distributed storage, in particular to an automatic configuration management system and method based on distributed storage, and the system comprises a distributed storage cluster which is used for storing configuration data in a centralized manner; configuring a distribution engine to realize real-time pushing, batch distribution and incremental synchronization of the configuration to a target service instance; the change control module integrates an approval process unit, a rollback unit and a change record database; the version management unit is used for storing and configuring historical version snapshots; the audit alarm module is used for generating a change audit log and an abnormal alarm; the problem of configuration synchronization delay is solved through a distributed storage cluster and a real-time push mechanism, it is ensured that the service instance rapidly obtains the latest configuration, the change safety is improved through the multi-stage approval and rollback functions, service interruption is avoided, version management supports rapid backtracking, auditing alarm real-time monitoring is abnormal, and the service quality is improved. Full-process automatic management of configuration is realized, and the operation and maintenance efficiency and stability of the distributed system are remarkably improved.

The invention discloses a TEC rapid temperature change control method and system based on temperature difference feedforward, and belongs to the technical field of industrial process control and precise temperature control. The method comprises the following steps: synchronously collecting temperatures of cold and hot ends of a thermoelectric cooler, calculating a temperature difference, and directly querying a pre-constructed temperature difference-driving current mapping relation by taking the temperature difference as a core feed-forward variable so as to output a dominant feed-forward current; and a total driving current instruction is jointly generated in combination with feedback regulation current which is calculated based on the target deviation and is subjected to amplitude limitation. The mapping relation is calibrated based on an off-line experiment and can be adaptively corrected. The corresponding control system is composed of a temperature acquisition module, a data processing and control module and a current driving module. The technical problems that in traditional TEC temperature control, dynamic response speed and overshoot suppression cannot be considered at the same time due to dependence on temperature deviation or a complex physical model, and a feed-forward mechanism is insufficient in practicability are solved.

The invention provides a tool magazine tool changing control system and method based on variable frequency speed regulation, and relates to the technical field of tool magazine tool changing control, and the method comprises the steps: obtaining a tool changing instruction and tool information, recognizing a machining stage, collecting tool arm load information, querying and calculating real-time parameters and tool historical data, and calculating a tool magazine circumferential unbalance load vector; and the load threshold value is judged and prompted. The speed curve planning module is combined with the operation frequency output by the frequency converter, so that staged fine adjustment of the speed of the tool arm motor is achieved, the problems of structural impact, aggravation of abrasion, reduction of tool changing precision and the like caused by extensive speed control in the traditional tool changing process are solved, the service life of equipment is prolonged, and the tool changing stability is improved.

The invention provides a control device for a human-powered vehicle, which can properly control components of the human-powered vehicle. A control device for a human-powered vehicle includes a control unit configured to control a first component of the human-powered vehicle and a second component of the human-powered vehicle different from the first component, the control unit being configured to control the first component and the second component of the human-powered vehicle, the control unit being configured to control the first component and the second component of the human-powered vehicle. And a control unit that preferentially controls the other of the first unit and the second unit, and changes the priority of the first unit and the second unit in accordance with a parameter related to the exercise intensity of a rider of the human-powered vehicle.

The application discloses a kind of self-adapting industrial production process control method, equipment and medium, it is related to data processing technical field.The method comprises the following steps: collecting target data in production process;Using preprocessed target data to train adaptive control model, so that the adaptive control model learns the mapping relationship between control parameters and production environment, process conditions in production process;Real-time receive changing production environment and changing process conditions by the adaptive control model, so that the adaptive control model according to the mapping relationship real-time output the changing control parameters corresponding to the changing production environment and changing process conditions;Based on the changing control parameter, the equipment involved in production process is controlled.By this kind of way, it is guaranteed that the control precision of production process when production environment or process condition changes, in addition, the production adjustment of control parameter with the change of production environment and process condition does not need manual intervention, reduce cost and operation difficulty.

The application discloses a vehicle lane changing control method and device based on voice interaction, equipment and program product, comprising: when the vehicle is in an automatic driving mode, obtaining voice information of a driver, and identifying whether the driver issues a lane changing instruction according to the voice information; when the driver issues the lane changing instruction, determining a target lane corresponding to the lane changing instruction, and obtaining a first road condition of a current lane and a second road condition of the target lane; determining a lane changing cost, a lane changing benefit and a lane changing risk value of the vehicle, and determining a benefit-cost ratio according to the ratio of the lane changing benefit to the lane changing cost; when the benefit-cost ratio is greater than or equal to a preset first threshold value, and the lane changing risk value is less than a preset second threshold value, it is determined to execute the lane changing instruction, and a target lane changing path is planned according to the first road condition and the second road condition; and the vehicle is controlled to change lanes to the target lane according to the target lane changing path. The application improves the lane changing efficiency of the automatic driving vehicle and can be applied to the technical field of intelligent driving.

A driving assistance method for a vehicle comprises: suspending autonomous lane change control when a driver's steering operation input during execution of the autonomous lane change control satisfies a predetermined suspension condition; executing first autonomous lane change control, which is executed regardless of an indication of the driver's intention, without confirming the indication of the driver's intention; executing second autonomous lane change control, which is executed due to the indication of the driver's intention, when the indication of the driver's intention can be confirmed; and setting the predetermined suspension condition for the first autonomous lane change control to a condition under which the autonomous lane change control is more readily suspended than under the predetermined suspension condition for the second autonomous lane change control.

A vehicle control system that performs lane change control for changing a lane of a vehicle from a traveling lane to an adjacent lane, cancels the lane change control according to at least one of an operation of a driver of the vehicle, surrounding environment of the vehicle, and traveling state of the vehicle during the lane change control, and switches the vehicle to a mode in which the driver drives the vehicle manually, the system comprising: a turn signal control unit configured to switch a turn signal of the vehicle between an OFF state and an ON state according to the lane change control, characterized in that the turn signal control unit maintains the turn signal in the ON state until predetermined release conditions are met when the lane change control in progress is canceled and the vehicle is switched to the manual driving mode, and in that the turn signal control unit determines that the release conditions are met when the vehicle has moved a predetermined distance in the lateral direction since the lane change control was canceled and the vehicle was switched to the manual driving mode.

A driving control method includes: controlling driving of a subject vehicle at a predetermined driving assistance level under condition that the subject vehicle travels behind a preceding vehicle; determining whether the subject vehicle changes a lane; determining whether the subject vehicle is traveling behind the preceding vehicle in the first lane at the predetermined driving assistance level; determining whether another vehicle is detected in the second lane when determining that the subject vehicle changes lane from the first lane to the second lane and determining that the subject vehicle is traveling behind the preceding vehicle in the first lane at the predetermined driving assistance level; when the other vehicle is not detected, keeping traveling of the subject vehicle in the first lane at the driving assistance level; when the other vehicle is detected, executing lane-change control so that the subject vehicle after a lane change travels behind the other vehicle.

To provide a technology capable of enhancing efficiency of development.SOLUTION: A dataflow chart generation device includes: an updated information detection unit which, when stored design information is updated, detects update information containing added and changed control values and conversion formulas due to the update of the design information; and a data flow chart generation unit which indicates a relation of the control value and the conversion formula on the basis of the updated design information and update information, and generates a dataflow chart in which the added and changed control values and the conversion formulas are highlighted.SELECTED DRAWING: Figure 1