195 results about "Position control system" patented technology

Disclosed in the present invention is an output feedback control method for a pilot-operated electro-hydraulic proportional servo valve considering disturbance suppression. According to the control method, a nonlinear active disturbance rejection controller with both disturbance suppression and unknown state estimation is designed on the basis of a constructed disturbance observer in combination with an extended state observer. To address the problem of a valve core position control system of the pilot-operated electro-hydraulic proportional servo valve, the present invention not only ensures suppression of matched interference in the system, but also compensates for mismatched interference in the system, and utilizes a state observer to estimate unmeasurable state variables, so as to construct full-state feedback control, thereby ultimately achieving high-precision tracking control of the valve core position.

An agricultural harvester has a frame and a spout that is mounted to the frame. A target landing point indicates a position in a receiving vehicle where material is intended to land. A control system detects an actual landing point and automatically controls the spout based on a difference between the actual landing point and the target landing point.

The invention provides a three-order hydraulic servo position control system active-disturbance-rejection control method based on friction compensation, and relates to the technical field of fluid transmission and control, and the method comprises the steps: S1, building a state space model of a three-order hydraulic servo position control system, building a linear expansion state observer, and obtaining a linear active-disturbance-rejection controller of the three-order hydraulic servo position control system; s2, nonlinear time-varying disturbance compensated by the third-order hydraulic servo position control system is converted into a tracking error compensation item controlled by a friction compensation algorithm; s3, verifying the stability of the closed-loop third-order hydraulic servo bit control system through error convergence before and after feed-forward compensation; and S4, the control voltage of the third-order hydraulic servo position control system is input, and nonlinear friction feedforward compensation control of the third-order hydraulic servo position control system is achieved. According to the method, a model-free control strategy is adopted, an innovative solution path is provided for friction suppression and self-adaptive friction compensation, and the control precision and robustness of the hydraulic servo system are improved.

The invention discloses a self-positioning control method and system of a pipe bending all-in-one machine, and relates to the technical field of self-positioning control methods. A plurality of sub-positioning spaces are determined according to recognition of a positioning image of the bent pipe, a positioning repair area of the bent pipe is determined according to the plurality of sub-positioning spaces, positioning coefficients corresponding to the plurality of supporting nodes and a current positioning posture of the bent pipe, and a positioning compensation process of the bent pipe is triggered according to the positioning repair area and the bent pipe all-in-one machine. And the accuracy of the positioning compensation process is improved. Determining a plurality of positioning compensation parameters of the elbow pipe according to each positioning compensation item, the overall shape of the elbow pipe and the positioning coefficients of the plurality of supporting nodes; corresponding positioning compensation actions are determined according to the multiple positioning compensation parameters, the corresponding positioning compensation positions and the surface quality requirement of the bent pipe; the multi-stage self-positioning control system is constructed based on the multiple positioning compensation actions, the preset positioning requirement of the bent pipe and the form of the bending area of the bent pipe, and the accuracy of the multi-stage self-positioning control system is improved.

The invention discloses a storage and transfer RGV trolley for railway vehicle wheels. The storage and transfer RGV trolley comprises a conveying rail of a profile steel structure; the RGV body comprises a steel structure body, a driving mechanism and a wheel vertical storage rack, and the steel structure body is arranged on the conveying track in a sliding mode; the driving mechanism is arranged between the steel structure vehicle body and the conveying track and used for driving the steel structure vehicle body to move along the conveying track, and the vertical wheel storage rack is arranged on the steel structure vehicle body and used for storing a plurality of vertically-placed wheels; and the positioning control system is used for detecting the position of the RGV body and controlling the driving mechanism to start and stop. The technical effects are as follows: automatic transfer can be realized, and high efficiency is achieved; the structure is simple and the cost is lower; more wheels can be placed and transferred, the wheels can be prevented from toppling and bumping, the stability is higher, and the transferring process is safer; a conveying line is easier to adjust and modify, and the flexibility is good; various wheels with different diameters and different thicknesses can be stored, and the adaptability is better.

A method of controlling position of a trawl net is provided. The method may comprise: receiving, by a processor, a control input, wherein the control input comprises: (i) a selection of one of a plurality of position control modes, and (ii) a position control setpoint for the trawl net; receiving, by the processor, sensor data indicating a sensed position of the trawl net; generating, by the processor, a first trawl position control output based on the control input and the sensor data; determining, by the processor, a rate of change of bathymetry along a travel path of the trawl net; and in response to the rate of change of bathymetry meeting a threshold condition, generating a second trawl position control output by changing the one of the plurality of position control modes to another of the plurality of position control modes.

A position control system may obtain image data representing one or more images depicting an inlet of a mass spectrometer and an emitter positioned near the inlet, and adjust a position of the emitter relative to the inlet to an optimal position at or near a reference position relative to the inlet based on the image data.

An agricultural implement includes a frame including a center frame section, an intermediate frame section, and a wing frame section. A first actuator is configured to rotate the intermediate frame section relative to the center frame section and a second actuator is configured to rotate the wing frame section relative to the intermediate frame section. A first sensor is configured to sense a position of the intermediate frame section relative to the center frame section, and a second sensor is configured to sense a position of the wing frame section relative to the intermediate frame section. A control system is configured to independently control the first actuator and the second actuator to travel by a different percentage of a total displacement based on the sensed positions of the intermediate frame section and the wing frame section. Related methods and control systems are also disclosed.

The invention provides a switched reluctance motor angle position control system and an optimization calibration method. The method comprises the following steps: initializing system parameters of a switched reluctance motor; optimizing and calibrating a motor operation angle based on an improved Kepler optimization algorithm; and the motor performs real-time fine-tuning operation. An improved Kepler optimization algorithm is introduced, rapid global search is carried out, an angle calibration point candidate range is rapidly positioned in the initial stage of motor operation, and the time cost of manual intervention or blind calculation is reduced. Fusing a perturbation and observation algorithm, observing feedback data in a motor operation state, finely adjusting candidate calibration points, improving calibration precision, and ensuring adaptation to dynamic working condition changes; the sensor data is collected in real time, the controller and the upper computer work cooperatively, dynamic adjustment and optimization of calibration points are achieved, and therefore the synchronism and operation efficiency of the system are improved.

A robot having a transportation assembly, a robotic arm, and control systems is disclosed. A positioning control system for the robot is configured to communicate with the transportation assembly to provide commands to the transportation assembly such that the robot moves to a plurality of stations or along a path during the task. A robotic arm control system for the robot is configured to communicate with the robotic arm to provide commands to the robotic arm such that the robotic arm performs a series of operations to complete a task specific to a station or along the path.

The invention relates to the technical field of numerical control machining centers, in particular to a numerical control machining center motion positioning control system and method with visual recognition, and aims at solving the problems that in the prior art, contour and edge features of a workpiece cannot be accurately extracted, accurate description of the shape of the workpiece cannot be guaranteed, and the spatial position and posture of the workpiece cannot be accurately and rapidly solved. And the machining precision and efficiency of the workpiece cannot be guaranteed. According to the invention, the contour and edge features of the workpiece are accurately extracted through the visual identification module, accurate shape description is ensured, the spatial position and attitude of the workpiece are rapidly solved by combining the feature point matching of a three-dimensional model and a two-dimensional image, and the real-time performance is ensured through an efficient image processing algorithm and hardware acceleration. The world coordinate system position of the workpiece is obtained through coordinate transformation, and the machining precision and efficiency are guaranteed.

The invention discloses an automatic dispensing system for medicinal materials. The system comprises a medicinal material storing and taking cabinet which comprises a plurality of dispensing units, and each dispensing unit is used for storing medicinal materials and outputting the medicinal materials; the dispensing robot comprises a dispensing trolley, and the dispensing trolley is configured to be capable of moving to a target medicine falling position below the medicinal material storing and taking cabinet under the control of a control system; and the control system is connected with the multiple dispensing units and used for controlling the corresponding dispensing units in the multiple dispensing units to enable the medicine contained in the dispensing units to fall into the dispensing trolley running to the target medicine falling position according to the needed weight. The technical problem that in the prior art, a medicinal material dispensing system is low in working efficiency is solved.

The utility model discloses goods conveying and stacking equipment, and belongs to the field of goods transferring equipment. Comprising a conveying system used for moving goods from a first position to a second position; the first sensor is arranged on one side of the second position; the extraction system is used for moving the goods from the second position to a placement position; and the control system is electrically connected with the first sensor and the extraction system respectively. The conveying device moves the goods from the first position to the second position, the first sensor located at the second position recognizes the goods, the control system automatically controls the extraction device to move the goods from the second position to the placing position to be stacked in order, the overall automation degree is high, manpower does not need to be consumed, and the working efficiency is improved. And the stacking efficiency of the goods conveying and stacking equipment is higher than that of manual stacking.

An agricultural implement includes a frame including a center frame section, an intermediate frame section, and a wing frame section. A first actuator is configured to rotate the intermediate frame section relative to the center frame section and a second actuator is configured to rotate the wing frame section relative to the intermediate frame section. A first sensor is configured to sense a position of the intermediate frame section relative to the center frame section, and a second sensor is configured to sense a position of the wing frame section relative to the intermediate frame section. A control system is configured to independently control the first actuator and the second actuator to travel by a different percentage of a total displacement based on the sensed positions of the intermediate frame section and the wing frame section. Related methods and control systems are also disclosed.

An agricultural implement includes a frame including a center frame section, an intermediate frame section, and a wing frame section. A first actuator is operably coupled to the center frame section and the intermediate frame section, and a second actuator is operably coupled to the wing frame section and the intermediate frame section. A first sensor is configured to sense a position of the intermediate frame section relative to the center frame section, and a second sensor is configured to sense a position of the wing frame section relative to the intermediate frame section. A control system is configured to control the first actuator and the second actuator to adjust the position of the intermediate frame section based at least in part on the sensed position of the intermediate frame section relative to the center frame section. Related methods and control systems are also disclosed.

The application discloses a kind of trolley online automatic oiling system and method, belong to industrial automation technical field.The high safety risk of operation, great labor intensity, low efficiency and the problem that positioning accuracy is difficult to guarantee exist in the operation state of belt-type baking machine or sintering machine trolley for manual oiling mode, the combination structure of three-axis servo module, follow-up device, positioning system and control system is used in the application, multi-axis motion control is realized by three-axis servo module, follow-up device completes the clamping and following positioning of trolley wheel, positioning system detects wheel position, and control system coordinates each component to execute online automatic oiling operation.The system is mainly used for the online automatic lubrication of belt-type baking machine, sintering machine trolley wheel bearing, improves the automation level and operation reliability of oiling process.

A working machine comprising an implement pivotable with respect to a loader arm and an actuator arranged to pivot the implement about a physical angular range of motion; wherein the hydraulic system

A system includes a tractor comprising a lifting hitch, and an implement comprising an implement frame carried by the lifting hitch. The implement frame has an integrated elongate toolbar carrying at least one row unit. A sensor is configured to sense a position of the at least one row unit relative to the ground. A control system is configured to receive a signal related to the sensed position of the at least one row unit relative to the ground and cause the lifting hitch to raise or lower a portion of the implement frame connected to the lifting hitch relative to the tractor based at least in part on the signal. Control systems and related methods are also disclosed.

Provided is a camera module, comprising a controller including a first position control unit generating a first position control signal indicating a first target position to which an object provided with an image sensor or a lens is to be moved, and a first master port outputting the first position control signal, a first driver including a first slave port connected to the first master port, a first driving unit providing driving force to the object based on the first position control signal, a second position control unit generating a second position control signal indicating a second target position to which the object is to be moved, and a second master port outputting the second position control signal, and a second driver including a second slave port connected to the second master port, a second driving unit providing driving force to the object based on the second position control signal.

The application relates to a flexible material dynamic positioning control system and method based on real-time length detection, which comprises a transmission mechanism, a sensing mechanism, an encoder, an array air jet group, a peripheral system and a motion controller. The motion controller is connected to the sensing mechanism, the encoder, the array air jet group and the peripheral system. The motion controller is used for calculating the length and displacement of the flexible material according to the response time of the flexible material passing through the sensing mechanism and the conveying speed of the transmission mechanism, dynamically calculating the midpoint position of the flexible material according to the length and displacement of the flexible material, and determining the corresponding array air jet group of the flexible material according to the flexible material obtained by the peripheral system. When the center position of the flexible material reaches the position of the corresponding array air jet group, the corresponding array air jet group is triggered. The array air jet group can realize accurate air blowing sorting of the flexible material, realize adaptive adjustment of the air blowing position of the flexible material with different lengths, and meet the accurate sorting requirements of the flexible material with different lengths.

The automatic positioning control system comprises a plurality of light mark boxes, pipe diameter recognition probes, position recognition cameras and a control module, the light mark boxes and production conveying lines are arranged on the two sides of a flat car track respectively, and the light mark boxes and the production conveying lines are arranged in a one-to-one correspondence mode; each light mark box is connected with the light mark control box, each light mark box is provided with an identification color plate, colors displayed by the light mark boxes through the identification color plates are different, the pipe diameter identification probe and the position identification camera are arranged on the pipe conveying flatcar, the pipe diameter identification probe is arranged corresponding to pipelines stored on the pipe conveying flatcar, and the position identification camera is arranged corresponding to the light mark boxes. The pipe diameter identification probe and the position identification camera are connected with the control module; standardized manufacturing is adopted, and the more on-site parking positions are, the lower the cost is; automatic control is adopted, a visual system is combined, on-site manual intervention is effectively reduced, the operation efficiency of the small flatcar is improved, and on-site labor cost can be reduced.

The present invention relates to the field of micro-machining technology, and in particular, provides an ultrasonic vibration internal liquid electrochemical discharge grinding processing device and a tool changing method. The method includes a processing device including an old tool holder, a new tool holder, an electric spindle, a spindle clamp, an auxiliary electrode, a processing workpiece, an electrolyte tank, a Hall current sensor, an automatic tool changing device; an ultrasonic generator, a frequency converter, a high-frequency pulse power supply, a data acquisition device, an external liquid supply device, a programmable frequency converter, a tool changing operating system, and a position control system; wherein the tool holder includes a primary coil, a secondary coil, an ultrasonic transducer, a rotary liquid joint, and a tool electrode. The processing device integrates the three technologies of ultrasonic vibration, mechanical grinding, and external rotation and internal liquid through the ultrasonic transducer, the tool electrode, and the external liquid supply device. While ensuring processing efficiency, it improves the continuity and stability of processing, improves processing quality, and achieves high-quality, high-efficiency, and low-cost processing of processing materials.

This invention discloses an automatic maintenance and cleaning method and system for multiple printheads of a plotter based on FPGA control, belonging to the field of inkjet printing equipment control technology. The method includes: the FPGA main control board and each FPGA printhead control board completing hardware self-tests and bidirectional communication handshakes, using 8B / 10B encoding for data transmission; upon receiving a cleaning command, sequentially executing the entire automated maintenance process of initial ink intake, grating closed-loop control of the doctor blade, multi-printhead synchronous flash printing, secondary ink intake, and printhead moisturizing. It adopts an FPGA distributed hardware architecture, achieving communication between the main control board and the printhead board group via fiber optic links, and constructing a fully closed-loop position control system in conjunction with a grating feedback module. This invention features high real-time performance, strong synchronization, and high anti-interference capability, enabling non-destructive, efficient, and automated maintenance of multiple printheads, effectively reducing the probability of nozzle clogging, extending printhead lifespan, and is suitable for high-precision applications in industrial large-format inkjet plotters.

A motor position control system includes a central server including first information of a first display device and second information of a second display device, and a motor position control device which controls positions of the plurality of motors, where the motor position control device includes a controller which receives the first and the second information from the central server and store the first and the second information in a memory, controls the positions of the plurality of motors based on the first information, calculates at least one value based on the first and the second information, selects at least some motors based on the at least one value, and controls positions of the at least some motors based on the at least one value.

The application discloses a kind of high-precision omnidirectional vision positioning control systems based on laser cutting, including first cylinder, first lifting frame and rotating plate, the output end of the first cylinder is installed with first lifting frame, the bottom of the first lifting frame is symmetrically installed with multiple first mounting rods, the inside of the first mounting rod is through active installation with rotating plate, the top of the rotating plate is installed with camera, the top of the first lifting frame is installed with multiple second cylinder, the output end of the second cylinder is installed with second lifting frame.The first cylinder can drive the first lifting frame to move up and down, while the second cylinder drives the second lifting frame to move up and down, the rotating plate can rotate up and down when the second lifting frame moves up and down, so that the camera on the rotating plate can change the inclination angle, and then the camera can monitor the cutting head of cutting machine at different inclination angles at different heights, so that the monitoring of cutting head is more comprehensive.

The invention provides an intelligent glass curtain wall cleaning system and method with a detection function, and the system comprises a power device which is used for fixing a detection sensor and a cleaning device, and flies to a to-be-cleaned position of a glass curtain wall through a control system; the control system is used for controlling the power device to fly to a designated area so as to perform local cleaning; the cleaning device is used for being adsorbed to the surface of the glass curtain wall through a vacuum chuck and cleaning the glass curtain wall through a brush. The detection sensor is used for acquiring image information in a to-be-cleaned range of the glass curtain wall and sending the image information to the data processing system; and the data processing system is used for carrying out denoising, graying and edge detection processing on the image information sent by the detection sensor, carrying out smudginess degree analysis, carrying out cleaning area division and cleaning path planning according to an analysis result, and sending the cleaning area division and the cleaning path planning to the control system.

A small prefabricated component steel frame positioning control system relates to the technical field of small prefabricated component manufacturing, including concrete vibrating equipment for vibrating concrete in the small prefabricated component template, the concrete vibrating equipment having a lifting frame and a lattice vibrator connected to the sliding lifting component of the lifting frame, the lattice vibrator having a plurality of independently detachable vibrating rods arranged in a lattice, the concrete vibrating equipment being communicatively connected to a controller, the controller being used to control the operating parameters of the lifting frame and the lattice vibrator, and being able to control the settlement position of the steel frame in the small prefabricated component template during the vibration process, the present invention obtains the vibration parameters and then uses the lattice vibrator to vibrate the concrete in the small prefabricated component template, controls the sinking of the steel frame to make it sink to a preset position, and achieves the effect of controlling the quality of the small prefabricated component.

The utility model belongs to the technical field of workpiece installation and welding, and particularly relates to intelligent equipment based on uranium concentration plant flat plate supporting arm installation. A base is arranged on the portal, a six-axis mechanical arm is installed on the base, and a welding gun, a collision sensor and a welding seam tracking sensor are arranged at the tail end of the six-axis mechanical arm. And a crawler-type walking mechanism is arranged. The track is made of synthetic rubber. And a three-stage composite lifting mechanism is arranged. And a hydraulic and servo position control system is arranged. The utility model solves the problems of quality, cost and efficiency in the welding process of mounting the flat plate support arm to the door-shaped frame.

The invention provides an article volume detection method and system for a logistics sorting intelligent robot, the system structurally comprises a positioning frame, a control system main body, a transmission table, a driving motor, a novel sorting structure and a transmission structure, the positioning frame determines the positions of the control system main body, the transmission table, the driving motor, the novel sorting structure and the transmission structure; the control system main body is used for electrically controlling the novel sorting structure and the driving motor; after a control system main body is improved, an intelligent control chip and a program storage module which are superposed on the basis of an original volume data calculation module, an original shape recognition module and an original internet module can effectively store an intelligent sorting program through a touch screen; according to the intelligent robot, the situation that a program needs to be reset due to initialization after follow-up operation stopping and shutdown can be prevented, so that the use convenience effect of the intelligent robot can be effectively improved, then the internal temperature can be balanced through the constant temperature module in the operation process, and overload caused by the high temperature influence is avoided.

A shuttle changing device and an automatic calibration method, relating to the technical field of shuttle changing devices. The shuttle changing device comprises: a large rotating arm, which is arranged on a template machine frame; a small rotating arm, which is rotatably arranged at the tail end of the large rotating arm, the tail end of the small rotating arm being provided with a lower mechanism; a detection mechanism, which is used for detecting the rotation positions of the large rotating arm and the small rotating arm; and a control system, which is connected to the shuttle changing mechanism and the detection mechanism. The shuttle changing device solves the technical problem that when a template machine frame deforms during movement or transportation, the position of a shuttle changing device mounted on the template machine frame changes accordingly, resulting in deviations in shuttle picking and placing positions, thereby reducing the shuttle changing success rate or even rendering the device unusable. On the basis of detection signals of a first calibration sensor and a second calibration sensor, the control system controls the shuttle changing mechanism to adjust the positions of the large rotating arm and the small rotating arm, thereby ensuring the absolute positions of the large rotating arm and the small rotating arm, realizing automatic correction of the shuttle changing mechanism, and ensuring the shuttle changing success rate.