116 results about "Change control" patented technology

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 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 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.

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 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 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.

Embodiments of the present application disclose a lane changing control method and device for an autonomous vehicle, a computer device and a storage medium. The method comprises: determining whether a lane changing planning trajectory of the vehicle can be successfully executed during lane changing of the vehicle; if not, calculating a collision time of the vehicle and a rear vehicle of a target lane; obtaining a preset time threshold; when the collision time is greater than or equal to the preset time threshold, generating a lane keeping trajectory of the vehicle based on a preset minimum distance; the minimum distance is a distance between the vehicle and a target lane line; the target lane line is a lane line between a current lane of the vehicle and the target lane; when the collision time is less than the preset time threshold, determining a target distance of the vehicle from the target lane line, and determining the lane keeping trajectory of the vehicle based on the target distance; and controlling the vehicle to travel based on the lane keeping trajectory, and generating a lane changing trajectory of the vehicle when a lane changing condition is met. The scheme provided by the embodiments of the present application can improve the lane changing efficiency.

The invention discloses an automatic rail transfer control system and method for a knitting machine, and belongs to the field of automatic control of textile machinery. Comprising an orbital transfer unit arranged between an outer ring drive plate track and an inner ring drive plate track and a control module for controlling the orbital transfer unit to work. The method comprises the following steps: coarsely adjusting to be near a target position through a servo motor incremental encoder, and switching a dial encoder for fine adjustment after stopping; after the driving plate is finely adjusted in place, the conversion plate is driven to exchange the spindle seat; and based on positioning module encoders of two adjacent orbital transfer units in the same circle, sensor null drift influence is identified. Multi-mode weaving can be achieved, the orbital transfer control error is smaller than or equal to + / -0.05 degrees, and the method is suitable for intelligent production of the safety emergency rope of the fire-fighting rope.

The invention relates to a demand entry control method and system. The method comprises the following steps: step S1, demand compilation and structured export; s2, platform entry control is carried out; and S3, performing DOORS entry editing permission control. Through entry-level authority control and a precise change operation mechanism, the problem of data islands is effectively solved, fine processing of a single demand entry is supported, the method has the advantages of improving the fine level of demand management, enhancing the data collaboration capability, optimizing the change control process and the like, the limitation that DOORS data can only be stored in a local server is broken, and the demand management efficiency is improved. An interconnection mechanism between the DOORS client and the product data management platform is established, so that fine control and rapid iterative updating of the demand items are realized, operations such as tree-shaped display, batch signing and auditing, version raising and release freezing of the demand items are supported, and the automation degree and the control efficiency of demand change processing are greatly improved.

A method may include receiving a set of inputs; transforming the set of inputs into a set of corresponding waveforms; generating from the set of corresponding waveforms, a composite wave spectrum, including identifying a waveform sub-set corresponding to a time interval of the composite wave spectrum; determining based on a comparison of the waveform sub-set to a pattern repository, an anomaly exists within the waveform sub-set in response to determining the composite wave spectrum is an operational-type spectrum; analyzing the anomaly to determine an associated risk; logging based on the anomaly and the associated risk, an incident record; determining based on the anomaly, an approved change control exists; and executing the approved change control.

The invention relates to a lane changing control method of a vehicle, electronic equipment and the vehicle, and the method comprises the steps: obtaining the types and / or driving data of traffic participants of a plurality of lanes in a vehicle sensing range; calculating the actual traffic efficiency of the plurality of lanes by using the driving data and / or types; and determining a target lane of the vehicle based on the actual traffic efficiency, and controlling the vehicle to change to the target lane under the condition that the target lane is inconsistent with the current driving lane of the vehicle. According to the embodiment of the invention, the actual traffic efficiency of each lane can be calculated according to the dynamic change of the traffic participants of the multiple lanes in the current driving environment of the vehicle, so that the vehicle is controlled to be always kept in the lane with the highest traffic efficiency, the vehicle can efficiently pass through the current road section, and the driving experience of a user is guaranteed.

The invention discloses an automatic load changing control system and method for the tail end of a mechanical arm, and relates to the technical field of data analysis. The method comprises the following steps that after the mechanical arm is started, a universal flange is subjected to self-inspection firstly, if the universal flange is qualified, a visual positioning process is started, camera calibration and coordinate system calibration are completed, images are captured, and the positions and postures of a sensor to be adsorbed and a contact are recognized; converting the coordinates to generate target butt joint point coordinates; based on the coordinates, a motion path is planned through a predictive control algorithm, and when the mechanical arm moves, the joint state and external disturbance are monitored in real time, and control input is adjusted; after the distance between the flange and the contact reaches the standard, the contact force is adjusted according to the preset target force and the feedback of the force sensor; after the contact force is stable, an electromagnetic coil is activated, reverse electromagnetic force is generated to realize tight adsorption, power and data communication is synchronously established, a test signal is sent to verify connection, and retry or alarm is performed if the connection fails; during unloading, the sensor is separated from the flange, the mechanical arm is reset and standby, and automatic load changing control of the tail end of the mechanical arm is achieved.

A method for design data change control and solution generation for an electromechanical product is provided. A first change event is received. The first change event includes a first change priority. If the first change priority is higher than a second change priority of a second change event that is currently executed, and a change buffer time of the second change event ends or execution of the second change event is completed within the change buffer time, design data of the electromechanical product is changed based on the first change event to obtain a change result. The change buffer time is configured to characterize a time during which the second change event is able to be continuously executed when switching to a change event with a higher execution priority. An electromechanical product design solution is generated based on the change result.

The application 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 precision temperature control. The temperature difference between the hot end and the cold end of a thermoelectric cooler is synchronously collected and calculated, and the temperature difference is used as a core feedforward variable, so that a pre-constructed temperature difference-driving current mapping relationship is directly inquired to output a dominant feedforward current; a feedback adjustment current based on target deviation calculation and subjected to amplitude limitation is combined to jointly generate a total driving current instruction. The mapping relationship is calibrated based on offline experiments and can be adaptively corrected. A corresponding control system is composed of a temperature collection module, a data processing and control module and a current driving module. The application solves the technical problems in traditional thermoelectric cooler (TEC) temperature control, i.e., the dynamic response speed and overshoot suppression cannot be considered together due to the dependence on temperature deviation or a complex physical model, and the practicability of the feedforward mechanism is insufficient.

Method for measuring a temperature change (TINC) in a cable (K) of a vehicle, wherein the cable (K) connects at least two control units (A and B) of the vehicle, the cable (K) is configured at least to transmit signals between the control units (A, B), and each control unit (A, B) includes a crystal for time measurement, wherein this time measurement is configured to determine a hardware time of the control unit (A, B), where It is taken into account that a temperature change (TINC) of the cable (K) slows down the transmission of the signals carried through the cable (K), and To measure the temperature change (TINC), a measurement of the transit time change of at least one signal between the control units (A and B) is carried out, whereby a. To synchronize the hardware times of two control units (A and B), an Ethernet-based time synchronization protocol is used, in which one control unit (A, B) is a master and the other control unit (B, A) is a slave, the hardware time of the slave (B, A) is synchronized with the hardware time of the master (A, B), and to distinguish whether measured values ​​obtained from the measurement originate from the crystal of at least one control unit (A, B) or have resulted from the temperature change (TINC) of the cable (K), control unit (A) and control unit (B) each assume the role of master (A, B) once during one execution of the steps specified by the time synchronization protocol, thus the measurement is carried out in two configurations, while the other control unit (B, A) assumes the role of slave.and a delay in the arrival of the messages in both constellations is used to infer the temperature increase (TINC) of the cable (K) and / or , b. To detect an average temperature change (TINC), a number N of sets, each with at least one measured value, are compared, wherein at least a part of the time window during which the measured values ​​were obtained is divided into N intervals, and each measured value of an i set from the N sets was obtained at a time point which lies in the i interval of the considered part of the time window, a point representative of the measured values ​​of each of the N sets is determined, these points are arranged such that the representative point of set i is positioned on a time axis before the representative point of set i+1, and an average temporal change of temperature (TINC) is determined from this and / or c. a temperature-changing control unit (A, B) can be inferred from the knowledge of a cable routing in the vehicle and from the knowledge of the temperature change (TINC) in at least one cable (K) whose cable routing is known.

To enhance the enjoyment of the game. [Solution] The volume change control for changing the actual volume of the first sound includes a first volume change control that decreases the actual volume of the first sound over time relative to the base volume, a second volume change control that changes the volume adjustment value to a value smaller than the current value along with the decrease in the actual volume of the first sound over time, and a third volume change control that changes the volume adjustment value to a value larger than the current value along with the decrease in the actual volume of the first sound over time. The actual volume of the second sound can be changed in accordance with the second volume change control or the third volume change control, and the changed actual volume of the second sound can be set to a different volume from the actual volume of the first sound based on the first volume change control. Light intensity change control can be executed that decreases the actual amount of light emitted over time relative to the base light intensity based on the light intensity adjustment value. Light intensity change control is not executed while the first volume change control, second volume change control, or third volume change control is being executed.

This invention discloses a four-spindle, five-channel, five-linkage embedded CNC machine tool, comprising a five-channel linkage CNC system, a bed, a crossbeam, a spindle holder, a slide plate, a worktable, a fourth and fifth axis, a tool magazine, a spare tool magazine, a spindle, a linear scale, and a tool setter. This invention employs a four-spindle, five-channel linkage structure, where each of the four spindles can be controlled by a separate channel. The fifth channel is dedicated to rapid tool change control, enabling tool changing within 4 seconds and achieving five-axis linkage machining. Simultaneously, the four spindles can process in parallel without stopping for adjustments to a single spindle. Combined with a high-capacity tool magazine, it enables the complete machining of complex and precision parts in a single setup.

The present application relates to a vehicle control system. A control device is configured to execute, when a steering request is received in a parking state or a creep state in which a vehicle speed does not exceed a predetermined vehicle speed from the parking state, a caster change control of controlling a driving force application device or a driving force application device and a braking force application device in such a manner that a caster of the steering wheel is reduced, the control device applying, in the caster change control, a driving force in a direction toward the other wheel to one of front and rear wheels and applying a braking force or a driving force in a direction toward the one wheel to the other wheel so as to become the parking state or the creep state in response to a request related to acceleration or deceleration.

The invention relates to the technical field of robot control, in particular to a multi-task robot control method and system. The method comprises the following steps: acquiring a multi-task execution time sequence table; selecting a current task according to the multi-task execution time sequence table, acquiring an electrical contact resistance value sequence during electrical contact coupling of a quick-change interface of the robot and a tool corresponding to the current task, and determining a tool state identification code; and a next task prediction deviation vector is generated according to the tool state identification code, the current tool parameter loading weight and the linear change of the next tool parameter loading weight are set, pre-correction of control parameters is carried out in combination with the next task prediction deviation vector, and switching and continuous operation of an end effector of the robot among multiple tasks are achieved. The method is used for achieving rapid tool replacement control and task continuous execution, and the problems that when a robot processes frequent tool switching, the positioning precision is lowered after switching, and the task transition time is prolonged are solved.

To provide a device and a method capable of autonomously extending and changing control even in a controller having a different command format or protocol.The present technology includes, for example, an extended control device, which is communicably connectable to an apparatus having a control device, the extended control device comprising a central processing unit, a memory storing a predetermined control program, and a senso, wherein the central processing unit is configured to transmit the predetermined control program to the control device in response to receiving a predetermined signal from the sensor.

A system can electronically train a vehicle to adapt to a driver. The system can train the vehicle to adapt to the driver's abilities, conditions, and / or personality. The system can change control of the vehicle in response to input from the driver to match a pattern of control produced by a predetermined model (e.g., a safe driver model). The vehicle can appear to be driven by a safe driver. A driver with lower driving abilities can apply physical controls in a possibly slow, unstable, or insufficient pattern. The vehicle can be trained to adjust the conversion from UI signals to drive-by-wire signals so that the converted signals appear to be applied by a more capable driver on the road. Through training via machine learning, the conversion can improve over time.

Control device (30) for a vehicle (10), which control device (30) has at least one input (31) for vehicle data (53, 54) of the vehicle (10), which control device (30) has at least one output (32) for position values ​​(63, 64) for actuators (61, 62, 65, 66) of the vehicle (10), which control device (30) is configured to use a first predetermined vehicle model (MOD1), which first predetermined vehicle model (MOD1) includes the actuators (61, 62, 65, 66) used to influence the yaw moment (M), which control device (30) is designed to calculate, using the first predefined vehicle model (MOD1), as a function of a yaw moment setpoint (Ms) and the current actuated values ​​(63, 64) for the actuators (61, 62, 65, 66), modified actuated values ​​(63, 64) for the actuators (61, 62, 65, 66) by means of predefined calculation rules, which predefined calculation rules are determined by optimization of a performance function (Q) in the first predefined vehicle model (MOD1), which optimization includes a minimization of the deflection of the actuators (61, 62, 65, 66) under the constraint of generating a yaw moment according to the yaw moment setpoint (Ms), and which control device (30) is designed to output the changed control values ​​(63, 64) to the actuators (61, 62, 65, 66) in order to influence the yaw moment (M) of the vehicle (10) caused by the actuators (61, 62, 65, 66) as a function of the yaw moment setpoint (Ms) by means of this feedforward control.