74 results about "Position control system" patented technology

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 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

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.

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.

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 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.

The present application relates to the technical field of manipulator control, in particular to a visual-guided rotary mold transfer machine positioning control system.The system comprises a joint driving unit, a flexible transmission assembly and a vision module.A master controller first decouples the generalized disturbance torque representing the nonlinear resistance of the flexible assembly from the cross-axis current feedback of the driving unit based on the joint dynamics model;then, the LSTM network is used to learn the mechanical hysteresis loop characteristics of the torque under different rotary motion states, predict the end dynamic position compensation amount covering the system transmission delay time;finally, based on the smooth weight generated by the real-time running speed, the dynamic position compensation amount is fused with the visual positioning coordinates without disturbance.The present application combines physical priori and data driving, effectively overcomes the cumulative error caused by the nonlinear interference of the cable and the signal transmission lag in the non-slip ring rotary operation, and realizes high dynamic precision positioning.

The invention provides a one-key in-place control system and method for a seat push rod, the system comprises a hand controller, an actuator assembly and a motor driving main control module, the motor driving main control module has a self-learning mode and a common operation mode, and the push rod is driven to reciprocate to a limit position during self-learning so as to automatically obtain stroke information; during common operation, one-key in-place closed-loop position control or inching control is correspondingly executed according to identification of short pressing or long pressing of the key. The intelligent control system based on the brushless motor and position feedback is introduced, and self-learning stroke calibration and intelligent identification of long and short press instructions are combined, so that the core pain points that a traditional seat push rod system needs long press operation, cannot be in place by one key and is poor in adaptability are successfully solved.

Title: Self-folding scooter. The invention relates to a scooter comprising a front part (1) and a base part (2) connected by a joint (3) to move the scooter from an unfolded configuration to a folded configuration in which the base part (2) is folded towards the front part (1). It includes: - a motor (17), - a locking system capable of moving from a locked position, in which the base part (2) is immobilized relative to the front part (1) in the unfolded configuration, to an unlocked position, - a control system for moving the locking system from the locked position to the unlocked position, and then for activating the motor (17) so as to rotate the base part (2) to reach the folded configuration. Figure for the abstract: Fig. 2

The invention belongs to the technical field of automatic control, and discloses an anti-deviation positioning device for a transplanting mechanism, which comprises a data acquisition unit, a deviation prediction module, a self-adaptive PID control module and a deviation early warning module, the problems that in existing transplanting mechanism positioning control, PID parameter self-adaptive capacity is poor, neural network error modeling is insufficient, deviation risk prejudgment lags behind and the like are solved, and high-precision dynamic positioning and deviation risk active early warning in the transplanting process are achieved. According to the device, a PID-timing attention fusion control framework is innovatively introduced, the real-time adjustment characteristic of a traditional PID is combined with the multi-dimensional error prediction capability of a timing attention neural network, and real-time deviation correction and pre-judgment of positioning deviation are achieved through a double-branch cooperation mechanism; on the deviation prediction level, a multi-scale time sequence convolution-gating cycle unit (TCN-GRU) fusion model is constructed, multi-dimensional time sequence feature extraction is carried out on motion parameters and environmental perception data of the transplanting mechanism, and positioning deviation trends under different working conditions are accurately predicted.

The invention provides a positioning control system for an overlay precision instrument, and relates to the technical field of control, and the system comprises a mobile platform which is used for bearing a sample and executing displacement; the laser interferometer module is used for measuring the displacement of the mobile platform; the environment sensing module is used for monitoring at least one physical parameter of the environment where the mobile platform is located; the environment compensation module is connected with the environment sensing module and the laser interferometer module and used for correcting the displacement according to the physical parameters to obtain target displacement; and the control unit is connected with the laser interferometer module and the mobile platform and is used for calculating a difference value between a target position and the target displacement and generating a control signal according to the difference value to drive the mobile platform. By applying the system provided by the embodiment of the invention, the stability and accuracy of positioning control of the mobile platform can be improved.

The present disclosure is generally directed to methods and systems for heating the exterior surface of a bulk medium such as an aircraft. An exemplary system includes a series of individual heating elements, a sensor, and a control system. The heating elements are arranged on a skin of the an aircraft. The sensor is positioned on the skin in a location that corresponds with a region of relatively low temperature within a heating pattern produced by the heating elements. The control system is connected to the heating elements and the sensor. The control system configured to control power supplied to the heating elements responsive to output from the sensor.

A method for controlling a position of a movable object, the method including: measuring a position of a sensor or sensor target on the movable object to obtain a position measurement signal, providing an error signal, providing a control signal on the basis of the error signal using a controller, providing a feed-forward signal on the basis of a set-point signal, actuating one or more actuators on the basis of the control signal and the feed-forward signal, and providing a compliance compensation signal, wherein the error signal is obtained by comparing a set-point position, the measured position of the position measurement, and the compliance compensation signal, and wherein the compliance compensation signal is a direction dependent compliance compensation signal, which direction dependent compliance compensation signal is dependent on a direction of acceleration of the movable object.

The invention relates to an automated storage and retrieval system comprising a plurality of container handling vehicles on a rail system operable to handle storage containers, each container handling vehicle comprises a positioning node. The system comprises a positioning system having reference positioning nodes spaced in fixed positions on and / or proximate the rail system to determine the position of each of the container handling vehicles. The control system communicates each container handling vehicle and the positioning system, and instructs a first container handling vehicle to move to a target position, repeatedly receives position data from the positioning system of a position of the first container handling vehicle and repeatedly receive position data from the positioning system of a position of a second container handling vehicle, and instructs the second container handling vehicle to move with the first container handling vehicle at a predetermined separation from the first container handling vehicle

An agricultural machine includes a main frame, an adjustable frame coupled to the main frame and, a row unit which includes a linking arm coupled to the adjustable frame, and an actuator coupled to the main frame and the adjustable frame. The agricultural machine also includes a controller configured to command the actuator to move to various positions based on signals received from one or more sensors. The one or more sensors are configured to measure one more indicators associated with an actual height of the row unit relative to ground.

This invention discloses a shuttle-changing device and an automatic calibration method, relating to the technical field of shuttle-changing devices. The device includes a shuttle-changing mechanism comprising: a large rotating arm mounted on a template machine frame; a small rotating arm rotatably mounted at the end of the large rotating arm, with a lower section mechanism at the end of the small rotating arm; a detection mechanism for detecting the rotational positions of the large and small rotating arms; and a control system connecting the shuttle-changing mechanism and the detection mechanism. This shuttle-changing device solves the technical problem that when the template machine frame deforms during movement or transportation, the position of the shuttle-changing device mounted on the frame changes accordingly, leading to deviations in the shuttle gripping and releasing positions, reduced shuttle-changing success rate, or even unusable operation. Based on the detection signals from a first calibration sensor and a second calibration sensor, the control system controls the shuttle-changing mechanism to adjust the positions of the large and small rotating arms, ensuring their absolute positions and achieving automatic correction of the shuttle-changing mechanism, thus guaranteeing a high shuttle-changing success rate.

An aircraft that has a blade position control system (BPCS). The BPCS includes an actuator, a multilobe component configured for at least one of longitudinal movement along a mast axis as a function of actuation of the actuator and rotational movement relative to the mast axis as a function of actuation of the actuator. Movement of the multilobe component selectively restricts at least one of pitch movement and folding of a plurality of rotor blades.

The invention provides a precise positioning control system and method for an electric permanent magnet jack. The precise positioning control system comprises the steps that the electric permanent magnet jack is controlled to conduct initialization self-inspection; acquiring multi-modal sensing data, determining a magnetic circuit adsorption feature vector according to the magnetic field distribution signal, and performing state prediction based on the magnetic circuit adsorption feature vector to obtain a magnet displacement change trend and an attraction change trend; positioning pin hole identification is carried out through the top image of the target container, visual deviation calibration is carried out according to the identified positioning pin hole point set and the environment disturbance data, and an alignment drift vector is obtained; and performing servo active compensation by using the alignment drift vector, the magnet displacement change trend and the suction change trend to generate a positioning motion track, and driving the electric permanent magnet jack to perform accurate pin hole positioning based on the positioning motion track. According to the technical scheme provided by the invention, multi-mode sensing can be fused, and the magnetic circuit state can be predicted, so that servo active compensation on a positioning track is carried out, and accurate positioning control of the electric permanent magnet jack is realized.

A two-axis position control system according to an embodiment of the present invention comprises: a first magnet arranged on one surface of a moving body; a second magnet arranged on another surface of the moving body; a first coil unit arranged at a position facing the first magnet to move the first magnet in a first direction; a second coil unit arranged at a position facing the second magnet to move the second magnet in a second direction; a magnetic sensor unit arranged at a position facing the first magnet and including a first Hall sensor and a second Hall sensor; and a driver unit that drives the first coil unit and the second coil unit on the basis of the positions of the first magnet and the second magnet detected by the magnetic sensor unit, so as to move the first magnet and the second magnet, wherein the sensor unit operates in a single Hall mode to sense the position of the first magnet in the first direction, and the sensor unit operates in a multi-Hall mode to sense the position of the second magnet in the second direction, such that the number of components in the two-axis position control system can be reduced.

The application discloses a gear shaft automatic unloading and stacking system and method, which comprises a part frame unpacking and stacking station, a grabbing robot station, a gear shaft incoming material grabbing station, a part frame temporary storage station and a control system; the part frame unpacking and stacking station is used for unpacking and stacking the part frame; the part frame temporary storage station is used for placing empty part frames; the gear shaft incoming material grabbing station is used for grabbing the gear shaft; the grabbing robot station is provided with a three-dimensional camera, a gear shaft jaw, a gear shaft conveying track and a part frame jaw; the gear shaft conveying track is used for conveying the gear shaft, the gear shaft jaw is used for grabbing the gear shaft conveyed to the gear shaft incoming material grabbing station, and the part frame jaw is used for grabbing the part frame; the three-dimensional camera is used for taking pictures of the part frame, and confirming the position of the gear shaft jaw for stacking the gear shaft in the part frame; and the control system controls the three-dimensional camera, the gear shaft jaw, the gear shaft conveying track and the part frame jaw.

The invention provides a setpoint generator for a position control system comprising a locator of a master module and a slave module, the locator being configured to displace an object, the setpoint generator being configured to, during a displacement of the object:-determine a master setpoint trajectory of the master module; determining a slave setpoint trajectory of the slave module by means of an optimization algorithm; the optimization algorithm uses at least a portion of the primary setpoint trajectory, one or more boundary conditions, and an objective function associated with a performance characteristic of the locator.

This utility model discloses a belt correction device for a packaging machine conveyor belt, relating to the field of packaging machine technology. It includes a frame with a conveyor belt mounted on it. A tension shaft is wound around one end of the conveyor belt. Adjustable plates are erected on both sides of the bottom of the frame, each with an adjustment groove extending through its length. Both ends of the tension shaft extend into the adjustment grooves, with a movable block at one end. A connecting plate protrudes from the side of the movable block facing away from the tension shaft, extending through the adjustment groove. A movable component that can move up and down within the adjustment groove is at the other end. A cylinder is erected below the connecting plate, with its output end fixedly connected to the connecting plate. A detection unit is located on both sides of the top of the frame to detect the edge position of the conveyor belt. A control system receives signals from the detection unit and controls the extension and retraction of the cylinder. This utility model can automatically correct belt deviation when it shifts, reducing manual intervention and significantly improving production efficiency.

The invention provides a friction scribing device and a use method, and relates to the technical field of perovskite solar cells. The friction scribing device comprises a base plate platform, a friction head, a driving mechanism and a position control system. The friction head is located above the substrate platform, the friction head is made of a flexible material, and the substrate platform is used for placing a perovskite thin film substrate; the driving mechanism is in transmission connection with the friction head to drive the friction head to move and rotate; the position control system is in signal connection with the driving mechanism and used for controlling the motion trail of the friction head. The friction scribing device solves the technical problems that in the prior art, traditional scribing equipment is high in cost and complex in process, and a perovskite thin film is prone to being damaged.

The present application relates to the field of agricultural detection technology, in particular to a kind of rice seedling tray seeding amount variable speed weighing device and variable speed weighing method, including rack, weighing device, variable speed drive device, positioning device and control system, wherein variable speed drive device drives seedling tray from back to front to carry out variable speed movement, so that seedling tray dynamic carries, static weighing, weighing device accurately weighs the mass of seedling tray, positioning device accurately locates whether seedling tray enters weighing position, control system can receive weighing data and carry out algorithm processing, finally obtain the final measurement result of seedling tray.The variable speed weighing device in the present application realizes seedling tray dynamic carrying, static weighing, also realizes seedling tray automatic continuous rapid weighing, weighing precision is high, improves production efficiency.The variable speed weighing method described in the present application can make seedling tray keep interval with front and rear seedling tray when weighing, avoid mechanical interference, improve weighing precision, and has high practical value.

The invention discloses a protection mechanism of image acquisition equipment, a control method of the protection mechanism and a robot system.The image acquisition equipment is installed on a robot with a high-risk operation tool, and the protection mechanism of the image acquisition equipment comprises a supporting assembly connected to the operation tail end of the robot; the protective cover is movably arranged on the supporting assembly; the linear driving device is fixed on the supporting assembly and is used for driving the protective cover to do reciprocating motion between shielding the detection window and keeping away from the detection window; the position sensor is used for detecting whether the protective cover reaches a protection position or an avoiding position or not; and the control system is configured to control the linear driving device to execute a working procedure corresponding to the in-place signal after responding to the received corresponding in-place signal sent by the position sensor. According to the protection mechanism, the movable protection cover is arranged, so that the effects of shielding and protecting the detection window of the visual sensor in a high-risk operation stage and avoiding the detection window in an image acquisition stage are achieved.

The invention relates to the technical field of steel structure welding, in particular to a steel structure side plate positioning control system based on welding state feedback, which comprises a welding state data acquisition module, a positioning state evaluation module, a welding process regulation and control module and a control execution module, the welding state data acquisition module is used for acquiring welding state data reflecting the positioning stability of a welding area in the welding process of a steel structure side plate and a steel frame; the positioning state evaluation module is used for constructing a positioning state model in the welding process according to the welding state data and judging whether a steel structure side plate has a positioning deviation trend relative to a steel frame or not in the welding process according to the positioning state model; welding state data reflecting positioning stability are collected in the welding process, a positioning state model is constructed, the positioning deviation trend is judged, parameters in the welding process are dynamically regulated and controlled, positioning deviation of a steel structure side plate relative to a steel frame in the welding process is restrained, and closed-loop positioning control over the welding process is achieved.

The utility model provides a kind of micro-angle positioning control system and the mechanical equipment containing it, it is related to mechanical equipment technical field, solve the technical problem that disc-shaped product small protrusion is difficult to locate and the high error rate of identification failure.The micro-angle positioning control system, including feeding mechanism, jacking mechanism, rotary clamping mechanism, angle sensing mechanism, limit receiving mechanism and transfer mechanism;Jacking mechanism is movably arranged on the conveying route of feeding mechanism;Rotary clamping mechanism is arranged above jacking mechanism;Angle sensing mechanism is arranged on the side of rotary clamping mechanism;Limit receiving mechanism is movably arranged on the side of rotary clamping mechanism;Transfer mechanism is arranged on the side of limit receiving mechanism.The utility model is used to complete the angle positioning of product, ensure that part does not appear angular deviation in the process of grabbing transplanting, simultaneously can adapt to the compatibility of multiple sizes and multiple varieties of products.

The invention provides a satellite paddy field land leveler with an automatic leveling shovel blade mechanism, which comprises a paddy field traction locomotive, a leveling control box, a connecting rack assembly, a main control adjusting hydraulic machine, a ground breaking wheel assembly, a connecting hanger plate, a leveling shovel blade assembly, paddy field traveling wheels and a satellite positioning control system, the leveling control box is in bolted connection with the interior of a cab of the paddy field traction locomotive and is electrically connected with a control system of the paddy field traction locomotive; the connecting machine frame assembly is connected to the rear portion of the paddy field traction engine through a shaft. The positioning precision is improved through Beidou satellite positioning, multi-sensor fusion and hydraulic servo control are adopted, the flat ground error is small and is far better than that of traditional equipment, local water accumulation or drought of a paddy field is effectively avoided, and the rice transplanting quality and yield are improved; in the automatic leveling mode, a driver does not need to manually adjust the scraper knife, leveling can be automatically completed only by setting operation parameters, and the operation efficiency is improved.

This invention discloses a mobile reactor rod control and positioning control system, installed on the electrical and instrumentation vehicle and the reactor vehicle. It is characterized by comprising a power supply cabinet, a rod control and positioning system, and an external communication module. The power supply cabinet is connected to the rod control and positioning system via a circuit and is used to supply power to the system. The external communication module is connected to the rod control and positioning system via a circuit and is used to convert and encrypt the data from the system and provide ports for sending and receiving data. The rod control and positioning system is used to control or drive the control rods located on the reactor vehicle. The power supply cabinet and the external communication module, installed on the electrical and instrumentation vehicle, can effectively solve the problems of insufficient system layout adaptability, cross-vehicle communication security, and power supply and control decoupling in mobile microreactor modular layouts.