26 results about "Servo actuator" patented technology

This invention discloses a multi-sensor continuous ultrasonic welding monitoring method based on reinforcement learning, comprising: synchronously acquiring multi-dimensional physical signals such as vibration, pressure, energy, and displacement during the welding process using a multi-sensor array; extracting calibration features of each signal and fusing them to form a high-dimensional state vector; constructing a deep reinforcement learning network model integrating two algorithm architectures, defining corresponding state and action spaces, and setting a reward function based on quality compliance, abnormal parameter states, and adjustment amplitude; within a single welding cycle, inputting the high-dimensional state vector into the model to generate optimal parameter adjustment action commands, and adjusting the ultrasonic generator output and pressure mechanism setpoints in real time through a servo actuator to form a complete closed-loop control process. This method, through the combination of multi-sensor fusion and reinforcement learning, achieves dynamic adaptive monitoring and precise parameter adjustment of the welding process, improving welding quality consistency and process stability.

This invention relates to the field of intelligent commerce technology, and more particularly to an electromagnetic linkage-based vehicle cruise control system based on adaptive fuzzy control. The system includes: a control switch for receiving input commands from the driver, including commands to activate / deactivate cruise control, accelerate / decelerate, cancel, and resume cruise control; a central controller connected to both a vehicle speed sensor and the control switch, the central controller incorporating an adaptive fuzzy control algorithm to generate throttle control commands based on the deviation between the current vehicle speed and a set speed; a servo actuator electrically connected to the central controller; and a motor that receives commands from the central controller to drive a synchronous belt. This invention achieves automatic and precise throttle adjustment and stable cruise control in motor vehicles, solving the problems of driver fatigue and poor driving comfort caused by the need for continuous manual throttle control during long-distance driving.

The application relates to an intelligent fine pressure control device and method, and relates to the technical field of petroleum chemical industry, and is used for solving the problem of low pressure control precision in the mode of manually adjusting the valve. The intelligent fine pressure control device comprises a pressure control valve with an inlet and an outlet, a servo actuator connected with the pressure control valve, and a control module electrically connected with the servo actuator; wherein the control module can send a pressure control instruction to the servo actuator, and the servo actuator can drive the pressure control valve to act according to the pressure control instruction, so that the pressure at the outlet is equal to a preset pressure value. In the application, the control module is arranged, and the control module is used for sending the pressure control instruction to the servo actuator, so that the servo actuator can accurately drive the pressure control valve to act according to the pressure control instruction, so as to accurately adjust the pressure value at the outlet. Therefore, the adjusting precision of the intelligent fine pressure control device is improved. Furthermore, the precision control demand of automation and intelligentization of modern industry is met.

This application discloses an in-situ mechanical testing system and method for aero-engine turbine blade materials. The system includes: a multi-axis loading unit for simulating the multi-axis stress state of turbine blades under actual operating conditions; a high-temperature environment module for achieving localized rapid heating of the sample; an in-situ observation system integrating a long-working-distance high-temperature microscope and a high-speed camera for real-time observation and recording of the microscopic damage evolution of the turbine blade sample during high-temperature loading; and a control unit with a built-in temperature-stress decoupling control model and a microscopic defect identification model for real-time compensation of the thermal effects of plastic deformation and quantification of the damage factor D. This application achieves synchronous loading of centrifugal force through a three-axis servo actuator, accurately reproducing composite stress with small load errors, overcoming the limitation of traditional single-axis testing in simulating multi-source loads on blades. Simultaneously, this application reduces interference from plastic work-induced temperature rise, solving the technical problem of data distortion caused by temperature drift in high-temperature testing.

The application discloses an air suspension loading device and relates to the technical field of air suspensions, which comprises a bearing frame, a vertical loading assembly rotatably arranged on the top of the bearing frame, a power loading assembly arranged on any one side of the rotation axis of the vertical loading assembly, a piston rod arranged on the power loading assembly for axial extension and retraction, and two loading rods, each loading rod being symmetrically arranged on the two sides of the rotation axis of the vertical loading assembly and being rotatably connected with the vertical loading assembly, each loading rod being connected with a group of air suspensions, and each air suspension being fixed in the inner cavity of the bearing frame. The application solves the technical problem that the existing air suspension durability test loading device needs to be equipped with two sets of static pressure servo actuators to complete the suspension test, thereby reducing the suspension test cost and improving the detection efficiency.

1. The name of the design product: underwater steering engine. 2. The use of the design product: a servo actuator for underwater environment design. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

The present application relates to the technical field of printing packaging, and discloses a paper box face paper positioning error automatic compensation method and system based on visual identification, which acquires a face paper image through an industrial camera after calibration, performs distortion correction and perspective inverse transformation to obtain an orthographic corrected image, extracts a reference mark sub-pixel coordinate and a standard positioning coordinate template to generate a multi-dimensional deviation description tensor, performs time dimension sliding window statistics and trend separation on the tensor to obtain a deviation trend component and a random component, and constructs a weighted directed acyclic deviation propagation graph, generates a servo control compensation parameter group through a pre-trained multi-dimensional error compensation model based on the deviation node attributes and the directed edge propagation weight in the graph and the real-time operation parameters of the equipment, and issues the parameter group to a servo actuator according to the execution priority to perform closed-loop position compensation and dynamic convergence verification, realizes automatic real-time compensation of the paper box face paper positioning error, effectively eliminates the influence of optical distortion and perspective distortion, and improves the sub-pixel level positioning precision.

The application is suitable for similar material simulation test, and provides a three-dimensional loading similar material test system for simulating underground rock and soil disasters, which comprises a base plate, a model box fixedly connected to the surface of the base plate, an end cover plate fixedly connected to one end surface of the model box, servo actuators arranged in a rectangular array on both sides of the model box and the top thereof and away from the end cover plate, a rectangular pressing plate arranged at the end of the servo actuator, a box seat arranged on the surface of the base plate and located at the bottom of the model box, transmission shafts arranged in a linear array between the two ends of the box seat, adjacent two transmission shafts connected to each other through transmission belts at one end and located at the end of the box seat, and a turnover platform arranged in a linear array between the two sides of the upper surface of the box seat. The device solves the problem that the current similar material test equipment has great limitations and lacks test simulation of working conditions under sudden external condition disturbance, guarantees the precision of test detection, and greatly improves the comprehensiveness of simulation test under the working condition of sudden external condition disturbance.

The application belongs to the technical field of aluminum-plastic panel processing equipment and relates to an aluminum-plastic panel processing and forming device, which comprises a rack, an upper hot pressing plate and a lower die plate assembly. The lower die plate assembly comprises a lower die plate body and a plurality of hydraulic servo actuators which are arrayed on the bottom of the lower die plate body. Each hydraulic servo actuator is internally provided with a first sensor unit. The non-working surface of the upper hot pressing plate is provided with a temperature detection unit. A control unit is electrically connected with the hydraulic servo actuators, the first sensor unit and the temperature detection unit. The control unit is configured to calculate the pressure distribution on the upper surface of the lower die plate body according to the support force data fed back by the first sensor unit and to calculate the temperature distribution on the working surface of the upper hot pressing plate according to the back temperature data fed back by the temperature detection unit. The application realizes the cooperative control of the pressure field and the temperature field during the hot pressing process and effectively improves the uniformity and stability of the aluminum-plastic panel composite quality.

The present application belongs to the technical field of geotechnical engineering test, and particularly relates to a kind of geotechnical and underground engineering optical measurement static and dynamic comprehensive model test platform, comprising: vibration isolation test platform module, for providing stable base surface;Counterforce frame module, by bottom plate, strip filament column, adjustable secondary beam, slidable main beam, provide three-dimensional adjustable bearing counterforce structure;Static and dynamic loading module, with electric cylinder servo actuator as core, can carry out vertical or horizontal static or dynamic loading;Assembly type model test box module, adopt full height transparent organic glass box body and external reinforcement support, can replace size according to test requirement;Optical measurement module, by industrial camera, light source and guide rail support, for non-contact image acquisition to model;Data integration acquisition module, for gathering sensor data;And automatic control center, all modules are synchronously controlled by time synchronizer and switch and integrated multi-source data.

This utility model relates to a high-frequency and static pressure testing servo system for a high-pressure water pump, including a servo actuator, a high-pressure water pump, and a servo hydraulic station. The servo actuator includes a cylinder and a piston rod. A displacement sensor and a low-pressure sensor are installed on the cylinder. The cylinder has two oil ports, which are connected to the servo hydraulic station via two oil circuits, namely a first oil circuit and a second oil circuit. A high-flow servo valve, a high-pressure filter, a check valve, and an oil pump are installed sequentially on the first oil circuit. The second oil circuit is connected to the same high-flow servo valve and then to the servo hydraulic station. A control branch is also provided on the second oil circuit, with its two sides connected to the two sides of the high-flow servo valve. A low-flow servo valve is also installed on the control branch. An energy storage branch is also connected to the first oil circuit. The control of the oil is achieved by using the cooperation of two parallel high-flow servo valves and a low-flow servo valve, which can achieve both individual and simultaneous control.

The application discloses a kind of shield segment structure triaxial loading test device, including rigid base and steel counterforce frame;Steel counterforce frame inside one side installs fixed hinge support, the other side installs movable hinge support, and two hinge supports hold shield segment structure;Loading control device drives movable hinge support horizontal movement;Shield segment structure front and rear sides are arranged lateral counterforce wall structure, and second servo actuator is arranged between lateral counterforce wall structure and the side of shield segment structure, and loading control device controls second servo actuator to provide lateral shearing force for shield segment structure;Boundary simulation device is arranged on the back of shield segment structure;Steel counterforce frame top is fixedly installed third servo actuator, and third servo actuator is connected with boundary simulation device, and third servo actuator is vertically loaded to shield segment structure;By independent control to all servo actuators, simulate a variety of different stress conditions.The application can test the stress deformation characteristics of segment structure under a variety of abnormal conditions.

This invention relates to the field of LF furnace smelting control technology, and in particular to a precision control system and method for electrode regulators based on MPC. The system includes a PLC control system, multi-dimensional sensors, an electro-hydraulic servo actuator, an MPC predictive control module, an adaptive PID module, and a safety protection module. The system predicts furnace condition changes and outputs a reference trajectory through an improved rolling optimization algorithm combined with multiple linear regression correction. The system performs adaptive PID dynamic parameter adjustment and superimposes hydraulic damping compensation to output a control signal. This invention achieves precise prediction and adaptive adjustment of electrode position control accuracy and arc length, with fast response time and small steady-state error, reducing refining power consumption and electrode wear, and is suitable for high-precision steel refining processes.

This invention relates to the field of water conservancy automation control and edge computing technology, specifically an adaptive PID control system for a water conservancy reservoir environment, including an edge computing gateway, a water level sensor, a flow sensor, and a servo actuator. A topology mapping module acquires the static geometric parameters of the fluid and establishes an initial state matrix for a fluid momentum state observer. A momentum decoupling module inputs upstream water level, upstream inflow, and opening data to update the state matrix, generating transient fluctuation energy characteristics and actual storage residual characteristics. A priori fitting module calculates proportional, integral, and differential coefficients based on these characteristics. A closed-loop evolution module generates control commands and corrects the bottom resistance parameters. This invention achieves physical separation between actual reservoir capacity changes and surface wave disturbances, reduces ineffective gate oscillations, and improves control stability and actuator lifespan under flood peak conditions.

The embodiment of the specification discloses a robot leg module and a robot gait control method, wherein the robot leg module comprises a body support part, a leg link and a foot support part; a leg shell is sleeved outside a first connecting part of the body support part of the leg link, and a first wire channel is formed between the leg link and the leg shell; a second connecting part of the leg link close to the foot support part is connected with an ankle shell to form a second wire channel; the inside of the body support part is provided with a first servo actuator for driving the leg link to rotate around a first axis; the inside of the foot support part is provided with a second servo actuator for driving the foot support part to rotate around a second axis; wherein the second axis is perpendicular to the first axis; a first wire passing port is arranged on the body support part, a second wire passing port is arranged on the foot support part, and the first wire passing port is communicated with the second wire passing port via the first wire channel and the second wire channel.

This invention relates to the field of motor assembly technology, and discloses an assembly method and equipment for permanent magnet rotors. The method includes controlling a servo actuator to drive a non-magnetic gripper to insert a standard permanent magnet into a standard rotor core according to a sequence of steps; recording the three-dimensional spatial position coordinate vector and the pure magnetic force vector; fitting a full-topology magnetic reference matrix function; initializing batch residual magnetism correction coefficients; controlling the servo actuator to advance the pre-magnetized permanent magnet; reading the current spatial position vector and the composite total force vector; performing a scalar product operation between the function and the correction coefficients to obtain a theoretical magnetic interference vector; subtracting the interference vector from the composite total force vector and deducting the spatial gravity component to extract the pure mechanical contact force vector; inputting the pure mechanical contact force vector into a mechanical impedance control model; and outputting a position offset command to generate compliant yielding when the safety collision threshold is exceeded. This invention separates magnetic force and contact force, effectively preventing damage to the permanent magnet.

The application discloses a motion control method and controller for a ball robot, and the method comprises the following steps: acquiring initial position and initial speed information of a dynamic target through a visual sensor; calculating an ideal motion path and an expected arrival time of the dynamic target based on a projectile kinematics model, and sending a motion instruction to each joint of the robot to make the robot move to an expected interaction position in advance; collecting the current position of the dynamic target in real time through the visual sensor, comparing the current position with the expected motion path, and correcting the motion trajectory and arrival point of the dynamic target online; generating motion instructions of each joint of the robot through inverse kinematics calculation according to the corrected motion trajectory; all the motion instructions are sent to the joint servo actuator of the robot in parallel through a USB-CAN link and an Ethernet-CAN link, the network layer parameters of the main link are monitored in real time, and the backup link is switched to when the main link fails, so that the dynamic target is operated.

The application discloses a kind of dual-redundancy servo actuator and control method, belong to servo control technical field, device main frame is fixedly installed motor, reduction gear pair, ball screw pair, axle sleeve pair, guide rail and linear displacement sensor and angular displacement sensor according to reserved mounting hole or recess;Motor is connected with reduction gear pair, ball screw pair is fixedly connected with axle sleeve pair and linear displacement sensor respectively, and axle sleeve pair is connected with angular displacement sensor. The existing sliding type transmission is improved into bidirectional anti-backlash rolling transmission, the traditional installation mode that the conventional installation mode that the anti-backlash ring both sides are not easy to roll and contact with guide rail is improved, only one side of anti-backlash ring is contacted with guide rail, multiple anti-backlash rings are set to ensure that there is no gap in two direction transmissions;Dual sensor is used to realize redundancy design, for judging output angle and generating control instruction, can effectively solve the problem of the existing rotary output type servo actuator caused by inevitable transmission structure wear.

The present application belongs to the technical field of electro-hydraulic servo actuator assembly, and relates to a device for improving assembly integrity and a method for calculating the groove angle of a plastic hinge. The device for improving assembly integrity comprises a through collar groove protection sleeve, a through pin groove protection sleeve and a piston assembly assembly device. The piston assembly assembly device comprises a screw feed system, an ear ring joint and two sets of cylinder body fixing seats. The screw feed system and the cylinder body fixing seats are installed on a fixed table top. The ear ring joint is connected to the output end of the screw feed system and moves linearly along the axis of the screw feed system. The ear ring joint is connected to the actuator cylinder piston assembly through a pin. The cylinder body assembly is installed on the cylinder body fixing seat. The through collar groove protection sleeve is fixedly attached to the collar groove near the inlet of the cylinder body. The through pin groove protection sleeve is installed in the pin groove of the cylinder body. The pin block installation window of the cylinder body is also used to extract the through pin groove protection sleeve.

The utility model provides a kind of liquid carrying rocket engine semi-physical simulation device with tank bottom, and the engine semi-physical simulation device includes: engine, servo actuator, engine frame and tank bottom. Among them, the lower part of engine frame is fixedly connected with the top of tank bottom by connecting piece, and the upper part of engine frame is used to fixedly connect engine and servo actuator. One end of servo actuator is rotatably connected with engine frame, and the other end is rotatably connected with the side wall of engine. Tank bottom is connected with semi-physical simulation test bed, and semi-physical simulation test bed is connected with engine, to provide required torque for engine. The engine semi-physical simulation device is low in cost, reliable in simulation test result, can accurately simulate the rigidity and modal characteristics of rocket body under engine working condition, and greatly improves the efficiency and accuracy of simulation test data.

The application provides a threaded component automatic assembly system based on visual and torque feedback and an assembly method thereof, relates to the threaded component automatic assembly field, and robot execution units.The system comprises a robot and a servo executor installed at the tail end of the robot.The executor can realize real-time high-frequency sampling and feedback of torque and angle data of the output shaft.A multi-stage visual perception unit comprises a global visual subunit and a hand-eye visual subunit.The application overcomes workpiece positioning errors through "visual guidance" of the multi-stage visual perception unit, overcomes part fitting tolerances through torque feedback of a torque-angle curve, combines "global coarse positioning" with "hand-eye fine positioning", allows triggering of visual secondary intervention when torque feedback is abnormal, forms deep cooperation of visual torque, overcomes the limitations of single sensing, and does not require manual intervention in the whole process from positioning, grabbing, alignment to tightening.

This invention provides a portable foot strap mechanical performance testing machine and method, comprising: a test chamber; a testing mechanism including a base frame, a drive assembly, and two clamps, the base frame being disposed within the test chamber, the drive assembly and clamps being disposed on the base frame, and at least one clamp being connected to the drive assembly so that the two clamps can move relative to each other along a first direction; and a central control mechanism including a controller and a servo actuator, the drive assembly being signal-connected to the controller and the servo actuator respectively, and the servo actuator having a force sensing module and a displacement sensing module internally. Therefore, this invention can achieve integrated stable movement of the clamps, load control, and detection feedback, with a compact structure and easy portability, effectively improving the testing accuracy and convenience of foot straps, and meeting the needs of rapid, accurate, and stable testing at high-altitude work sites.

This invention discloses an attitude control method and system for underwater vehicles based on disturbance forces and moments, belonging to the field of ship motion control technology. The invention includes the following steps: establishing a kinematic model of the underwater vehicle; constructing a state observer to estimate unknown disturbance forces and moments; calculating a compensating pitch angle to generate compensating lift and a compensating rudder angle to generate compensating moment based on the estimated unknown disturbance forces; combining the attitude tracking control rudder angle with the compensating rudder angle to generate the final control rudder angle command, and sending it to the servo actuator. This invention counteracts the continuous disturbances generated by disturbance forces and moments through compensating pitch angle and compensating rudder angle, eliminating the need for complex "adversarial" operations by the operator. The input commands are directly used for the vehicle's maneuver control, making operation more intuitive and simpler, and greatly reducing the workload of personnel.