363 results about "Motion system" patented technology

System and method for monitoring vehicular traffic on a bridge, including receiving digital data representing the response of the bridge to a traffic event, where the digital data has been collected during the traffic event, from displacement sensors and accelerometers mounted on the superstructure of the bridge, wherein the digital data from the displacement sensors embody bending responses of the bridge, the digital data from the accelerometers embody acceleration responses of the bridge, and the digital data from the sensor are synchronised in the same time space, providing a parametric model which uses modal parameters to simulate generalized boundary conditions and two-dimensional behaviour of the bridge; using the parametric model to process the digital data to solve for deformation of the bridge and characteristics of the vehicle traffic, and generating an output that describes the deformation of the bridge and characteristics of the vehicle traffic.

A motion cueing system for a flight simulator includes a motion system controller configured to generate actuation commands for a movable simulator platform. The actuation commands are based on at least one of: an absolute attitude of a simulated aircraft; or a weighted function of a groundspeed of the simulated aircraft.

The invention discloses a quadruped robot anti-disturbance motion control method based on reinforcement learning and application, and belongs to the field of robot motion control. Firstly, a self-adaptive propulsion control frame is provided, and a propeller and a leg movement system of the quadruped robot are deeply fused. And secondly, through cooperative training of a double-encoder system (a teacher encoder and a student encoder) and a predictor, hidden state extraction and environment disturbance reconstruction are realized, so that the robot adjusts a motion strategy in real time under complex scenes such as actuator faults and water flow interference. And finally, in combination with multi-stage reinforcement learning training and privilege information utilization, strategy network output is optimized, and a speed and trajectory tracking task is completed. The motion robustness of the robot under unknown interference and damage conditions is remarkably improved through cooperative control of the propellers and the legs, anti-disturbance decision of hidden state driving and dynamic reward function design. The method is suitable for amphibious environments, can adapt to diversified disturbance scenes without additional fine adjustment, and has high practicability and reliability.

The invention discloses a double-feedback control debugging method of an ultra-precision servo system, and relates to the technical field of semiconductor manufacturing equipment. In order to solve the defects that in the prior art, coupling interference is serious in the debugging process, frequency domain performance optimization is insufficient, filter configuration does not have adaptivity, and an efficient anti-interference debugging mechanism under multi-source disturbance is lacked, the technical scheme provided by the invention comprises the steps that a double-feedback servo system comprising a speed ring and a position ring is constructed; debugging a speed feedback loop, optimizing controller gain parameters based on frequency domain analysis, and outputting speed loop response characteristics; a position feedback loop is debugged, and position loop controller parameters are configured in combination with speed loop response and acceleration sensor signals; the notch filter is automatically adjusted according to the dynamic vibration characteristics; and frequency domain self-adaptive debugging of the double-feedback controller is completed. The method is suitable for servo control debugging work of high-precision motion systems such as a wafer carrying table in semiconductor manufacturing equipment, and is especially suitable for nanoscale positioning scenes such as a photoetching machine and measuring equipment.

The utility model discloses a thermoplastic composite material component laying device. The thermoplastic composite material component laying device comprises a movement system and a laying execution mechanism, the laying execution mechanism comprises a tension unwinding mechanism, a rolling mechanism and a heater; thermoplastic prepreg tows are output and laid by the tension unwinding mechanism according to certain guidance, the output thermoplastic prepreg tows are heated by the heater, and the laid thermoplastic prepreg tows are rolled and solidified by the rolling mechanism to form a thermoplastic composite component; the laying execution mechanism is connected with the motion system, and the laying execution mechanism is driven by the motion system to do multi-degree-of-freedom motion. The device has high action flexibility and high efficiency, and can realize high-efficiency and high-precision laying and forming work.

The invention discloses a robust Bayesian identification method for a state space model of a DC motor motion system, and relates to the technical field of industrial automation. The invention aims to solve the problem of poor model parameter estimation precision under the conditions of non-Gaussian noise and unknown system state in the prior art. The method comprises the following steps: establishing a mathematical description of a parameter identification problem of a state space model of a direct current motor motion system to determine to-be-identified parameters of the state space model of the direct current motor motion system; constructing posterior distribution of the to-be-identified parameters; constructing an augmented state space model having the same form as the logarithmic posteriori distribution of the to-be-identified state vector, and optimizing the to-be-identified state vector according to the augmented state space model; and carrying out iterative calculation by utilizing an optimization result and the posterior distribution of the other to-be-identified parameters except the to-be-identified state vector to obtain parameters of the state space model of the direct current motor motion system until a convergence condition is met, and completing parameter identification of the state space model of the direct current motor motion system.

The invention discloses an immersive cinema dynamic content adaptation control method based on multi-modal fusion, and the method comprises the steps: collecting at least one non-contact physiological signal of a target audience seat area in real time, the physiological signal comprising a respiratory wave signal collected by a millimeter wave radar or a photoplethysmography signal collected by a near-infrared photoelectric sensor; performing time-frequency analysis on the physiological signal, and extracting a physiological wake-up characterization value in a current time window; the physiological wake-up characterization value comprises a heart rate variability change rate and a heart rate deviation value; constructing a dynamic damping adjustment model, and calculating a virtual damping coefficient of the seat movement system at the current moment based on the physiological wake-up characterization value; and the virtual damping coefficient is converted into an execution instruction of a seat motion controller, and damping force output of the motion platform is adjusted in real time. The technical problem that the pre-programmed motion feedback is disjointed with the real-time physiological and psychological state of the audience can be solved, the experience adaptability and comfort of the cinema seat are improved, and the system safety is improved.

The invention relates to the technical field of detection devices, in particular to a shaft surface surfacing weld height real-time detection device. Comprising a base frame, a multi-shaft driving platform is installed on the base frame, a welding frame and an inspection frame are connected to the multi-shaft driving platform, the cooling spray pipe is fixed to the multi-shaft driving platform, a laser welding gun, an industrial camera and an infrared thermometer are fixedly installed on the welding frame, a pressing frame is connected to the inspection frame in a sliding mode, and a reciprocating pressure applying module is fixedly installed on the inspection frame. The reciprocating pressure applying module drives the pressing frame to vertically vibrate in a variable amplitude mode, a sliding frame is connected to the pressing frame in a sliding mode, and a friction transmission module for driving the sliding frame to horizontally vibrate in a variable amplitude mode is arranged between the pressing frame and the sliding frame. The integrated multi-shaft driving platform has the beneficial effects that the welding frame, the detection frame, the cooling spray pipe and other modules are integrated into the same movement system through the integrated multi-shaft driving platform, and the double-outlet-rod hydraulic cylinder and the linear transmission module are matched, so that welding, spray cooling, weld joint cleaning and height detection can be sequentially completed on the premise that a workpiece is not moved.

The application discloses a kind of hybrid drive's CTS wind tunnel test motion system's missile model workspace calculation method, comprising the following steps: (1) establish the coordinate system of hybrid drive's CTS wind tunnel test motion system;(2) establish the kinematics model of hybrid drive's CTS wind tunnel test motion system, establish the mapping relationship of each drive quantity in hybrid drive's CTS wind tunnel test motion system and the pose of missile model;(3) establish the constraint condition of hybrid drive's CTS wind tunnel test motion system;(4) pose assignment rule is formulated, and the working space of missile model is synthesized using the method of attitude traversal, pose superposition.It can be determined that the working space of missile model in wind tunnel through the above steps, the calculation efficiency of the motion space of missile model in CTS test is greatly improved, and the basis for the determination of CTS test trajectory boundary is laid.

The application discloses a laser slotting machine for silicon steel sheets, and relates to the field of silicon steel slotting, comprising a base, an X-Y-Z movement system mounted on the base, a visual camera and a laser cutting head, an adjustable grid for placing silicon steel sheets is mounted on the base, and the X-Y-Z movement system is used to drive the visual camera and the laser cutting head to move above the adjustable grid. The non-contact and continuous laser slotting method is used to replace the mechanical and contact traditional slotting method, so that the time for the mechanical slotting mechanism to ascend and descend is greatly reduced, and the time for frequently replacing the mold and the cost of purchasing the mold are reduced. Meanwhile, the laser slotting has the advantages of high precision, fast operation speed, wide coverage and the like, and the efficiency is obviously improved compared with the existing mode. In addition, the laser slotting machine is steplessly adjustable for the slot width, and can cut any width after the program is set.

The invention provides self-made small five-axis numerical control machine tool teaching equipment and an operation method thereof, and relates to the technical field of numerical control machining teaching equipment. A main shaft system and a clamp are arranged on the five-axis movement system; a transparent safety protection cover is arranged on the peripheral side of the five-axis movement system in a covering manner; a plurality of cameras are arranged on the five-axis movement system or the safety protection cover; the control system is respectively connected with the plurality of cameras, the main shaft system, the clamp and the five-axis movement system; according to the invention, an open modular structure is adopted, key moving parts and a processing process are completely exposed or visible through the transparent protective cover, so that a teacher can explain step by step and observe at a short distance with students; the machine tool body is made of light-weight materials such as aluminum alloy or engineering plastics, an open source numerical control system and standardized electromechanical components are combined, and on the premise that the basic teaching function is guaranteed, the manufacturing cost and maintenance complexity of equipment are greatly reduced.

The utility model discloses a skin extrusion / ink-jet composite printing device, which belongs to the technical field of biological tissue printing and comprises a computer, a three-dimensional motion system, an ink box, an ink-jet printing head, an extrusion printing head, a temperature control substrate, an air pump and a pressure controller. The ink box is installed on the ink-jet printing head, and the ink-jet printing head and the extrusion printing head are installed on the three-dimensional motion system. The pressure controller is mounted on the air pump; the pressure controller is in air connection with the ink box and the extrusion printing head; the computer is electrically connected with the three-dimensional motion system, the ink-jet printing head and the pressure controller. The computer is used for controlling the three-dimensional motion system to move and further used for controlling ink jet of the ink jet printing head and controlling the pressure controller to output the air pressure value. The personalized skin printing device provided by the utility model is low in manufacturing cost and high in efficiency.

The invention discloses an electrical wire coating system with a wide glue solution viscosity range and a coating method thereof, and relates to the technical field of microsystems. A glue injection system; a glue injection system and a glue injection control module; and the scribbling motion system comprises a scribbling motion control module, an injection head motion displacement mechanism and a component motion displacement mechanism. According to the invention, the working modes are flexibly switched through the positive and inverted switching mechanism, the device adapts to the range from low viscosity to high viscosity, the positive mode assists conveying and coating of high-viscosity glue liquid by using pressure, and the inverted mode avoids dripping and line broadening of the low-viscosity glue liquid due to gravity; the defect that low-viscosity glue solution is infiltrated and widened due to the influence of gravity in a traditional forward mode is effectively overcome, meanwhile, the forward and reverse dual-system switching scheme can meet the requirements of different application scenes, and the problems that a traditional dual-independent system is long in switching time, single in application environment, repeated in system positioning and the like are solved.

An example test system includes a probe card configured to contact a device under test (DUT); a module including a first optical connector configured to contact a second optical connector on the DUT, with the first optical connector being for a fiber optic cable; and a motion system configured to move into, and out of, contact with the module. When the motion system is in contact with the module, the motion system is configured to move the module relative to the DUT in order to align the first optical connector to the second optical connector.

This invention relates to the field of detection device technology, specifically a real-time detection device for the height of weld seams on shaft surfaces. It includes a base frame on which a multi-axis drive platform is mounted. A welding frame and a detection frame are connected to the multi-axis drive platform. A cooling spray pipe is also included and fixed to the multi-axis drive platform. A laser welding gun, an industrial camera, and an infrared thermometer are fixedly mounted on the welding frame. A pressure frame is slidably connected to the detection frame and a reciprocating pressure module is fixedly mounted thereon. The reciprocating pressure module drives the pressure frame to vibrate vertically with varying amplitude. A slide is slidably connected to the pressure frame, and a friction transmission module drives the slide to vibrate horizontally with varying amplitude between the pressure frame and the slide. The beneficial effects of this invention are: by integrating the welding frame, detection frame, and cooling spray pipe into a single motion system through an integrated multi-axis drive platform, and in conjunction with a double-rod hydraulic cylinder and a linear transmission module, welding, spray cooling, weld seam cleaning, and height detection can be completed sequentially without moving the workpiece.

The invention provides composite laser shock peening equipment and a turbine blade laser shock peening method. The composite laser shock peening equipment comprises a first laser, a second laser, a third laser and a fourth laser, wherein the first laser outputs large-energy laser shock with single pulse energy larger than 1J to a first target area; the second laser outputs small-energy laser shock with single pulse energy at dozens of to hundreds of mJ levels to a second target area; the movement system is used for clamping and moving the to-be-machined part to the first target area or the second target area; the water restraint loading system is used for applying a water restraint layer; and the control system is used for adjusting working parameters of the modules. The invention further provides a turbine blade composite laser shock peening method implemented through the equipment, and the problem that double requirements of improvement of deep residual compressive stress and improvement of high surface residual compressive stress cannot be considered in a single process mode is solved through a large-energy and small-energy composite laser shock peening process.

The invention relates to a motion generator comprising an end effector that moves relative to a surface, the end effector being moved by at least six actuation mechanisms, wherein each actuation mechanism comprises an elongated tension member that is connected at one end thereof to the end effector, whereby the end effector is suspended above the surface by the tension member, and at the other end thereof to an associated rocker of the same actuation mechanism, whereby the rocker is mounted pivotable about an axis that is fixed relative to the surface, and wherein upon actuation of the rocker, the associated tension member and the end effector are caused to move. The invention further relates to a motion system and simulator comprising such a motion generator, and to methods of operation and production.

The application discloses a kind of geometric error calibration method, device, multi-axis motion system and storage medium, it is related to multi-axis motion system technical field, method includes: according to user operation instruction manual calibration, obtains the initial corresponding relationship between the mechanical coordinate system of multi-axis motion system and the calibration coordinate system of calibration plate;According to initial corresponding relationship, target acquisition point based on calibration plate and the target pose of visual camera, determine corresponding target calibration point on mechanical coordinate system;According to target calibration point generation automatic calibration instruction;According to automatic calibration instruction, control visual camera and target calibration point carry out point operation, obtain the final corresponding relationship between mechanical coordinate system and calibration coordinate system.The application solves the problem that the geometric error calibration of existing multi-axis motion system is lower in efficiency, realizes the effect that multi-axis motion system is geometrically error calibrated automatically, quickly and efficiently.

This invention discloses a two-dimensional material transfer device and method. The device includes a base, with a first motor-driven angle adjustment unit fixed to the right half of the base; a cantilever is horizontally arranged to the left on a first slide, and a tape roll is located above the cantilever. A second ball screw assembly is horizontally arranged on the left half of the base, and vertical fixing frames are fixed to the front and rear sides of the second slide respectively; a support frame is located in the lower half between the two vertical fixing frames; a platform is located in the upper half between the two vertical fixing frames, and a height adjustment unit is located between the support frame and the platform; the platform is located below the tape pressure roller. This invention utilizes a multi-degree-of-freedom coordinated motion system consisting of a vertical displacement axis, a horizontal displacement axis, and a rotating axis that can drive the vertical axis to achieve continuous angle adjustment, enabling precise control of angle, speed, and roller pressure during the peeling and bonding process of two-dimensional materials.

A motion system with a controllable rotation range comprises a base (P), a first component (10), a second component (20) and a third component (30), the first component (10) can rotate around a first rotation shaft (R1) relative to the base (P), the second component (20) can rotate around a second rotation shaft (R2) relative to the first component (10), the third component (30) can rotate around a third rotation shaft (R3) relative to the second component (20), the included angle between the first rotation shaft (R1) and the second rotation shaft (R2) is a1, and a2 is an angle between the first rotation shaft (R1) and the second rotation shaft (R2). The included angle between the second rotating shaft (R2) and the third rotating shaft (R3) is a2, 0 degree < a1 < 90 degrees, 0 degree < a2 < 90 degrees, the third component (30) comprises a first collision area, the base (P) comprises a second collision area, the first collision area can interfere with the second collision area, and the conical angle of a conical area covered by the third rotating shaft (R3) in the moving process is made to be smaller than 4 * a1 and 4 * a2. And the rotating range can be set as required.

The utility model relates to the technical field of medical instruments, in particular to a bone graft material forming and cutting device. A bone graft material forming and cutting device comprises a shell, an observation plate, a sealing door, guide plates, a loading frame, a first electric sliding rail and the like, a hollow cavity is formed in the shell from the left side to the middle, the observation plate is installed on the front side of the shell, the sealing door is rotationally connected to the left side of the shell, and the guide plates are fixedly connected to the bottom of the cavity in a bilateral symmetry mode; a loading frame is slidably connected to the upper portion of the guide plate, and first electric sliding rails are installed on the rear side wall of the cavity in a bilateral symmetry mode. A three-dimensional motion system composed of the first electric sliding rail, the second electric sliding rail and the third electric sliding rail is arranged, automatic control is achieved in cooperation with the controller, the high-precision non-contact cutting effect on bone graft materials is achieved, the closed design is adopted, the pollution risk possibly caused by traditional mechanical cutting is reduced, and the cutting efficiency is improved. And the quality and the safety of the material are ensured.

The invention discloses a cooperative control method for a high-precision cooperative motion system, and the method comprises the steps: obtaining an expected trajectory of a main execution unit, and converting the expected trajectory into prediction sub-trajectories corresponding to a plurality of auxiliary execution units; calculating a local tracking error and a synchronization error according to the predicted sub-trajectory and the actual trajectory of the auxiliary execution unit; calculating a corresponding estimation error through a predictive disturbance observer; local tracking control corresponding to each auxiliary execution unit is obtained through calculation; constructing a self-adaptive cross coupler and performing coupling compensation calculation based on the synchronization error to obtain self-adaptive cross coupling control; and based on adaptive cross-coupling control and local tracking control, generating a total control input, and verifying the generated total control input by using a Lyapunov function. The invention further provides a cooperative control device. The method provided by the invention has the advantages of fast dynamic response, low buffeting, high-precision synchronization and time delay robustness, occupies less computing resources, and is suitable for various edge devices.

The application belongs to the technical field of precision laser processing, and specifically discloses a laser micro-drilling and cutting device and method for a metal foil lead frame, which comprises a processing platform, a clamp, a three-axis motion system, a scanning galvanometer and an ultraviolet nanosecond pulse laser. The clamp applies a pre-tension to the metal foil through a screw rod mechanism and integrates a laser displacement sensor to monitor thermal deformation in real time. The three-axis motion system and the scanning galvanometer cooperate to realize three-dimensional accurate positioning, and a reflection system dynamically regulated by multiple mirrors is combined to ensure that the laser is vertically incident. The method comprises clamping and focusing, image processing and path planning, multi-directional scanning processing and post-processing. The application solves the problems of thermal deformation suppression and micron-level feature accuracy maintenance in large-format processing through optical-mechanical coupling multi-axis linkage control, has the advantages of high precision, environmental protection and high efficiency, and is suitable for the preparation of ultra-thin metal foil lead frames.

Systems and methods for analyzing laser beam characteristics in high-speed laser motion systems, wherein the characteristics include laser travel speed, velocity, and acceleration, wherein the high-speed laser motion systems comprise a laser for generating a laser beam, comprising determining a location of the first pin-hole sensor within the predetermined field of view; determining a location of the second pin-hole sensor within the predetermined field of view; defining a travel distance of the laser beam; measuring the amount of time to travel from the location of the first pin-hole sensor to the location of the second pin-hole sensor; and dividing the travel distance by the amount of time to travel from the location of the first pin-hole sensor to the location of the second pin-hole sensor to calculate the velocity of the laser beam between the first pin-hole sensor and the second pin-hole sensor.

Systems and methods of motion-based device interfacing are disclosed. In some examples, a system receives sensor data from at least one sensor (e.g., of a device). The sensor data is indicative of a motion. The system identifies that the motion exceeds a threshold change in velocity. The system transitions the device (and / or an application) from a first state to a second state in response to identifying that motion exceeds the threshold change in velocity.

This invention provides a method for modeling a cylinder motion system based on a physical information neural network, comprising: acquiring time-series data of the cylinder motion system, including time-series control quantities and system state quantities; constructing a physical information neural network model with a dynamic feature input layer and a physical parameter input layer, receiving the time-series control quantities and physical parameter vectors respectively; performing a nonlinear transformation on the physical parameter vectors through a physical parameter encoding network to obtain encoded physical feature vectors; fusing the time-series control quantities and physical feature vectors to form a joint input vector; inputting the joint input vector into the backbone neural network, synchronously predicting the system state quantities through multi-layer nonlinear transformations; constructing a composite loss function including a data loss term and a physical loss term; training the model using time-series data, updating the model parameters by minimizing the composite loss function until the model converges, thereby achieving high-precision modeling using only single motion data.

This utility model discloses a guide rail for industrial robots, including a slide rail with an oil outlet mechanism. The oil outlet mechanism includes a slider, an oil outlet pipe, and a sealing disc. The slider is slidably connected to the slide rail. Multiple oil outlet pipes are installed at equal intervals on the slide rail, and each oil outlet pipe has an oil outlet groove. A sealing disc is fitted into the oil outlet groove, and the sealing disc has a round head. This innovative guide rail for industrial robots effectively solves the technical problems of uneven lubrication, difficult oil volume control, and frequent maintenance of traditional guide rails through a sophisticated intelligent lubrication system design. It provides an efficient, precise, and low-maintenance guide rail lubrication solution for industrial robot motion systems. The core innovation of this guide rail lies in its unique on-demand oil supply mechanism.

The utility model belongs to analog machine technical field especially for analog rowing boat machine, including fixed bottom plate, the upper surface fixed mounting of fixed bottom plate has first connecting bottom plate, the upper surface fixed mounting of first connecting bottom plate has decoration ship body, the upper surface fixed mounting of first connecting bottom plate has reinforcing plate, the upper surface fixed mounting of reinforcing plate has first support frame. This analog rowing boat amusement facility realizes the effect of multiple optimization through novel mechanical structure design, and its whole body adopts the stable triangular support system formed by fixed bottom plate, connecting bottom plate and reinforcing plate, so as to ensure that decoration ship body runs smoothly, and the movement system drives the simulation oar through the torsion ring drive movable shaft, cooperates the linkage design of metal pedal, truly restores the movement feeling of rowing boat, simultaneously adopts modularization design, is equipped with double payment interface and the appearance on device, and the operation convenience and device beauty are taken into account.

A system for analyzing laser beam characteristics at field of view extremities in high-speed laser motion systems, wherein the high-speed laser motion systems comprise a laser that generates a non- stationary laser beam and a build platform positioned at a predetermined location relative to the non- stationary laser beam, comprising a known or pre-defined field of view of the laser, wherein the laser beam characteristics are known or determined at a center location of the field of view; and a plurality of pin-hole sensors mounted at the field of view extremities, wherein each pin-hole sensor measures the laser beam characteristics at the field of view extremities, and wherein differences between the laser beam characteristics at the center location and the laser beam characteristics at the field of view extremities are captured and accounted for in the high-speed laser motion system during processing.

The invention relates to an automatic welding device for a connecting frame. The automatic welding device comprises a welding system and a moving system. The moving system comprises a bearing unit and aims to drive the welding system to move and enable the welding system not to fall off from a structure needing to be welded all the time. By using the first bearing frame, the second bearing frame, the structural barrel and the structural barrel, the device can stably surround the connecting frame in a self-adaptive mode all the time, the moving roller, the attaching roller and the separating roller are always connected to the surface of the connecting frame, and the device can adapt to the surfaces of the connecting frames with different thicknesses and thickness changes; friction force can be generated between the moving roller, the attaching roller and the separating roller and the connecting frame all the time, when a second stepping motor controls the moving roller to rotate, the whole device can be driven to move along the connecting frame, workers are replaced to climb the connecting frame, then welding is conducted, the welding efficiency is greatly improved, the use cost is greatly reduced, and the construction safety is improved.