289 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.

A lane change control method applied to a vehicle-mounted device is provided. The method includes calculating a first risk factor of a preceding vehicle based on a first vehicle data and a second vehicle data, calculating a second risk factor of an adjacent preceding vehicle based on the first vehicle data and a third vehicle data. A risk weight is obtained according to the first risk factor and the second risk factor. A lane-change weight is calculated based on a target lane line. A collective weight is obtained according to the lane-change weight and the risk weight. Once a plurality of reference vehicle values is obtained, the host vehicle is controlled to change lanes based on the plurality of reference vehicle values, the lane-change weight, and the first vehicle data.

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 vehicle lane changing control method and device, electronic equipment, a storage medium and a vehicle, and relates to the technical field of vehicle automatic drive.A first driving parameter, a second driving parameter and road information of the vehicle are obtained, the second driving parameter comprises a plurality of driving parameters of each vehicle in a plurality of surrounding vehicles, and the road information of each vehicle is obtained; according to the first driving parameter, the second driving parameter and the road information, determining a planned lane changing track of the vehicle, predicted acceleration duration of the vehicle and predicted acceleration of the vehicle, and optimizing the planned lane changing track and the predicted acceleration of the vehicle through a nonlinear planning method to obtain a target lane changing track and a target acceleration, the target lane changing track and the target acceleration-time function are smooth curves, the vehicle is controlled to start acceleration, so that the vehicle runs from the original lane to the target lane according to the target lane changing track, and the lane changing track and the acceleration-time function are smooth curves, so that the acceleration of the vehicle is smoother, and the comfort of passengers is improved.

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.

The invention discloses a smart slave manipulator robot arm control system and a control method. The control system comprises a parameter module which stores structure parameters of a plurality of different types of robot arms; the detection module is used for detecting detection information of the robot arm; the control module selects a control algorithm and outputs a control instruction to the driving module; and the driving module receives the control instruction output by the control module, and drives the robot arm to perform motion control, jitter control, obstacle avoidance control and arm change control according to the control instruction. The flexibility of the robot arm is improved, the control accuracy and safety of the robot arm are improved, the control accuracy is improved, misoperation such as manual operation hand shaking is prevented, and the situation that when a master manipulator robot arm control system breaks down, after a slave manipulator robot arm loses an instruction, the slave manipulator robot arm moves randomly due to the absence of a slave manipulator control system is avoided. Therefore, the damage influence on the surrounding operation environment is reduced.

The invention relates to the technical field of electrical automation, in particular to an electrical automatic control system and control method.The electrical automatic control system comprises a hardware part and a software part, and the hardware part comprises an intelligent control module (1), a data preprocessing unit used for preprocessing collected original data; (2) a deep learning network construction unit for designing and constructing a deep learning network architecture suitable for a specific control task; (3) a training and optimizing unit is used for minimizing control errors and improving control precision; (4) a self-learning and evolution unit which continuously adjusts and optimizes a control strategy according to real-time operation data and feedback; the parameter adjusting and strategy updating unit automatically adjusts control parameters and strategies, when facing complex and changeable network environments or service requirements, the system can conduct resource scheduling and management more flexibly and efficiently so as to overcome the defects that in the prior art, fixed control logic and manual intervention are relied on, and the system can not conduct resource scheduling and management more flexibly and efficiently. And complex and changeable working conditions and continuously changing control requirements are difficult to deal with.

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 tool changing control method, a controller, a numerical control machine tool and a tool changing method.The tool changing control method applied to the numerical control machine tool comprises the steps that a main shaft is driven to move upwards from a mechanical original point position to a first reference point position in the vertical direction; the main shaft is driven to continue to move upwards from the first reference point position to the second reference point position in the vertical direction, and a cutter head is started to rotate in the moving process of the main shaft from the first reference point position to the second reference point position; the main shaft is driven to move downwards from the second reference point position to the first reference point position in the vertical direction; and the main shaft is driven to continue to move downwards from the first reference point position to the mechanical original point position in the vertical direction. According to the tool changing control method in the embodiment of the invention, the moment of starting rotation of the cutterhead is advanced to the process of upward movement of the main shaft, so that the tool changing time is shortened.

To provide a control device, a control method, and a control system capable of suppressing control instability caused by changes in a controlled object due to external factors.SOLUTION: A control device according to an embodiment that controls a controlled object includes a first controller, a second controller, a detector, and a corrector. The first controller receives as input a first measurement value measured by the controlled object and a first command value that is a target value of the first measurement value, and generates a second command value. The second controller receives as input a second measurement value measured by the controlled object and the second command value, and generates a target value to be supplied to the controlled object as a third command value. The detector detects a change in the second measurement value due to an external factor of the controlled object, and changes the control mode. The corrector generates a second correction value according to the control mode, and corrects the second controller.SELECTED DRAWING: Figure 2

The invention discloses a change management and control method and device for entity relation data, relates to the technical field of data processing, and mainly aims to realize change management and control on the entity relation data so as to reduce the probability that the entity relation data is abnormal due to change. According to the main technical scheme, a change management and control system is used for maintaining entity relationship data, and the entity relationship data is used for describing multiple entities and dependency relationships among the multiple entities; if it is monitored that any first entity in the multiple entities needs to be changed, determining a second entity having a dependency relationship with the first entity in the multiple entities; and if an abnormal entity caused by the change of the first entity exists in the second entity, preventing the change of the first entity.

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.

A lane change control apparatus includes a processor configured to generate a second lane change path according to a head angle of a vehicle at a current position of the vehicle to try lane change again in response to a case where the lane change is canceled while the vehicle is performing the lane change according to a first lane change path and then the cancellation of the lane change is withdrawn while the vehicle is returning to an original lane of the vehicle; and a storage configured to store data and algorithms driven by the processor.

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.

To provide an operation control device and an operation control method that can improve a success rate of work while guaranteeing the safety of a control command from a learning controller.SOLUTION: There is provided an operation control device for controlling a controlled object, comprising: a simulator that uses a control command for the controlled object to simulate movement of the controlled object, and creates state transition information indicating a change in a state of the controlled object; an input device for inputting an operational constraint imposed on operation of the controlled object; a learning operation generator that uses the state transition information to perform machine learning about a relationship between the control command and the state transition information, and creates learning operation information obtained by machine learning; a simulated operation generator that inputs, to the simulator, a changed control command created by changing the control command, and creates simulated operation information using the state transition information corresponding to the control command created by the simulator; and a control command identification device that extracts operation information satisfying the operation constraint from the learning operation information created by the learning operation generator and the simulated operation information generated by the simulated operation generator, and identifies a control command corresponding to the extracted operation information.SELECTED DRAWING: Figure 1

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 belongs to the field of complex equipment change control, and particularly relates to a complex equipment-oriented change tracking method, which comprises the following steps of: 1, configuring an event feedback result; step 2, event registration; 3, analyzing an event type; 4, configuring an event set; 5, defining a node object; 6, displaying the node object; and 7, displaying a result. According to the method, all receipts generated in a change control process are stipulated to be collectively called change receipts, query of one piece of information of one change receipt is defined as an event, all data information of a certain change receipt in a product life cycle management system is collected in an event set mode, and the data information is interactively displayed by a front end according to needs; the problems that current change tracking operation is complex, and the incidence relation and detailed information cannot be visually displayed are solved.