150 results about "Motor movement" patented technology

The invention belongs to the cross technical field of rehabilitation engineering and neural engineering, and relates to a multi-modal signal fused fine exercise rehabilitation evaluation, regulation and control method and system, and each evaluation comprises the following steps: collecting a pressure distribution signal, a surface electromyogram signal and an electroencephalogram signal of a hand fine exercise; performing preprocessing, feature extraction and normalization processing on the three signals to obtain a pressure feature value, a surface myoelectricity feature value and an electroencephalogram feature value; calculating a conversion coefficient of a current rehabilitation stage based on the number of days that the fine motor function of the patient is damaged, and calculating weights of a pressure characteristic value, a surface myoelectricity characteristic value and an electroencephalogram characteristic value based on the conversion coefficient; performing weighted summation on the pressure characteristic value, the surface myoelectricity characteristic value and the electroencephalogram characteristic value to obtain an evaluation score; rehabilitation training parameters are regulated based on the assessment score and the number of days of impaired patient's fine motor function. According to the method, the limitation of traditional single-mode physiological signal evaluation can be broken through, and the comprehensiveness, the accuracy and the personalized adaptation capability of rehabilitation evaluation can be improved.

The invention relates to the technical field of detection platforms, in particular to a detection platform based on machine vision, which comprises a detection platform, a support frame is arranged at the top of the detection platform, a clamping adjusting assembly is arranged on one side of the support frame, a lifting assembly is arranged at the bottom of the detection platform, and a position adjusting assembly is arranged at the top of the support frame. A second motor drives a two-way threaded lead screw to rotate through a corresponding structure, the two-way threaded lead screw drives two movable plates to move oppositely along a first sliding rod, and after the two movable plates move to a proper position, two clamping plates are driven by a clamping air cylinder to move oppositely to clamp a workpiece; a first lead screw drives a clamped workpiece to rise through a first sliding table, a third motor drives a first rotating shaft to rotate, the first rotating shaft rotates through a clamping air cylinder on a mounting plate, the clamping air cylinder drives the workpiece to turn over through a clamping plate, the workpiece does not need to be turned over manually, a large amount of manpower resources are reduced, a large amount of time is saved, and the work efficiency is improved. And the working efficiency is improved.

The present disclosure relates to a method and system for acquiring and analyzing multi-modal data to monitor, forecast, and manage one or more symptoms of the neurodegenerative disorders such as Parkinson disease of a subject. The multi-modal data may include sensor data from a wearable sensing device, medications data, symptom-intensity scores for one or more symptoms, and mobility metrics of the subject. A predicted symptom-intensity score (e.g., absolute or relative value) may be generated for each of the one or more symptoms using a symptom-forecasting model (e.g., a machine learning model) and for each of one or more future time periods. Based on the predicted symptom-intensity scores, a trend can be generated for a selected time period. The disclosed system may output a result that comprises of intervention actions, such as medication administration, physical activity, or any other intervention that can be used to control symptoms severity.

The present disclosure relates to a method and system for acquiring and analyzing multi-modal data to monitor, forecast, and manage one or more symptoms of the neurodegenerative disorders such as Parkinson disease of a subject. The multi-modal data may include sensor data from a wearable sensing device, medications data, symptom-intensity scores for one or more symptoms, and mobility metrics of the subject. A predicted symptom-intensity score (e.g., absolute or relative value) may be generated for each of the one or more symptoms using a symptom-forecasting model (e.g., a machine learning model) and for each of one or more future time periods. Based on the predicted symptom-intensity scores, a trend can be generated for a selected time period. The disclosed system may output a result that comprises of intervention actions, such as medication administration, physical activity, or any other intervention that can be used to control symptoms severity.

A motion system for a vascular intervention navigation surgery system is configured to control the motion of the vascular intervention navigation surgery system. The motion system has a support base and the vascular intervention navigation surgery system. The motion system provides more degrees of freedom of motion and other functions for the vascular intervention navigation surgery system, guidewires, catheters, stents, etc., making it more convenient to perform vascular intervention surgery. The motion system further includes a force reproduction system for the vascular intervention navigation surgery system. The force reproduction system can effectively detect a resistance of the guidewire in blood vessels, and by processing the resistance, determine the further movement status of the guidewire, thereby improving the safety and operational efficiency of vascular intervention surgery.

The embodiment of the invention provides a zero point learning method and device for a braking system, and relates to the technical field of motor control, and the method comprises the steps: obtaining a starting signal of braking voltage buildup zero point learning, the starting signal of braking voltage buildup zero point learning being generated based on vehicle power-on or vehicle power-off; the motor controls the piston to move forward from a target position by adopting a set moving method, the forward direction is the direction of the brake disc relative to the piston, and the set moving method is used for controlling the speed change of the piston; in the moving process, motor movement data of the motor are collected, real-time change data of the motor movement data are analyzed, if the real-time change data meet the set movement condition, the current position data, corresponding to the real-time change data, of the piston serves as the braking zero point, and the set movement condition is that when the motor passes through the braking zero point in the movement process, the current position data of the piston is changed into the braking zero point. The generated empirical data is obtained. According to the method, zero point learning and correction can be flexibly and conveniently carried out, and the driving safety is improved.

The invention belongs to the technical field of robots, in particular to the technical field of teleoperation robots, and particularly relates to a teleoperation master manipulator based on a power-off brake, which comprises a pose acquisition part and a tail end operation part, in an actual use scene, an operator holds a handle at the tail end and pulls a trigger, a power-off brake is powered on for contact braking, and the operator pulls a main hand to move; in the movement process, the absolute encoders of all the shafts collect the current angle and directly transmit the current angle to the isomorphic mechanical arm, or the tail end pose of the main hand is settled through forward kinematics and then mapped to the heterogeneous mechanical arm through inverse kinematics; and the trigger is released, the power-off brake is immediately powered off, all joints of the master manipulator are locked, then the posture is locked, and the master manipulator enters a posture keeping mode. A joint motor in the main hand is replaced by a brake, so that a motor servo control system is also removed, and the cost and the out-of-control risk are reduced.

The invention relates to a vertical structure LED wafer thickness detection method and system and computer equipment. The method comprises the steps that a sample wafer is divided into a plurality of areas; calculating the initial wafer thickness corresponding to each region based on the motor movement data, obtaining the real wafer thickness of each region, training the initial thickness error optimization model based on the initial wafer thickness and the real wafer thickness, and obtaining a target thickness error optimization model; obtaining the final wafer thickness of each area of the to-be-measured wafer through the target thickness error optimization model; and calculating a thickness change value of the to-be-detected wafer based on each final wafer thickness, comparing the thickness change value and each final wafer thickness with a corresponding preset threshold value, and judging whether the to-be-detected wafer meets performance requirements or not based on a comparison result. According to the invention, the abnormal problems of scratch, fragment and pollution of products caused by manual measurement can be avoided, and the product yield can be improved.

The invention provides a personalized exercise prescription generation method based on an analytic hierarchy process, which comprises the following steps of: acquiring body index information, psychological state information, exercise preference information and exercise environment information of a user, determining a physiological health index, a psychological health index, environment suitability and user preference of the user according to the collected user information, and recommending a plurality of candidate exercises; constructing an analytic hierarchy process evaluation model based on four factors of a physiological health index, a psychological health index, environmental suitability and user preference of the user so as to comprehensively score candidate motions; an exercise prescription is generated for the user according to the comprehensive score of the candidate exercises, and parameters in the exercise prescription comprise recommended exercises, exercise intensity, exercise frequency and duration; and acquiring exercise execution data and tracking feedback data of the user, and adjusting parameters in the current exercise prescription.

An information processing device includes a data acquisition part that acquires one or more neuromuscular disease-related user data selected from (a)-(k) multiple times in a predetermined period; and an information generation part that generates to-be-provided information to be provided to a predetermined terminal based on the user data. (a) Typing operation-related data, (b) walking-related data, (c) utterance-related data, (d) sleep-related data, (e) breathing-related data, (f) facial expression-related data, (g) fine motor movement-related data, (h) gross motor movement-related data, (i) questionnaire answers regarding disease symptoms, (j) information automatically collected with built-in sensors of devices, and (k) data from medical institutions.

The invention discloses a train wheel set rapid detection and maintenance positioning device and method for a train factory, and belongs to the technical field of train wheel set detection. A rotary jacking mechanism abuts against a wheel shaft of a wheel set to jack the wheel set up from a rail of a maintenance platform and drive the wheel set to rotate, and a rim detection assembly is arranged between the rail and the wheel; the wheel rim detection assembly can conduct continuous inspection and probing through a mechanical probe rod and an ultrasonic probe, the wheel side detection assembly is arranged on the rotary jacking mechanism and detects the side face of a wheel through a laser scanning detector, and the wheel rim detection assembly and the wheel side detection assembly transmit probing results to the upper computer. A mechanical model of wheels on the two sides is formed in the upper computer, a damage point is displayed, the upper computer controls a stepping motor of the rotary jacking mechanism to move, the damage point can be selected through a screen of the upper computer, the rotary jacking mechanism is controlled to rotate slowly, and finally the damage point stays at a probing point of an ultrasonic probe or a laser scanning detector. And maintenance personnel can identify suspicious damage points conveniently.

The invention relates to the technical field of anti-collision devices of thread scanner probes, and discloses an anti-collision device of a thread scanner probe, which comprises a scanning rotating shaft, and a protection cavity is formed in the scanning rotating shaft. According to the anti-collision device, the shearing force borne by the connecting part is larger than the adsorption force between a first powerful magnet block and a second powerful magnet block, at the moment, a first sliding round block drives a side head anti-collision sliding base to slide towards the end, close to a wire passing hole, of a protection cavity, and relative displacement is generated between a side head anti-collision fixing base and the side head anti-collision sliding base; when the computer detects that the input of the corresponding IO port is disconnected, the control software executes a collision exception handling program, at the moment, all control motor movement operations on the software are prohibited, a collision prompt window pops up, and the scanning rotating shaft stops driving the measuring head on the measuring rod to rotate; thus, secondary impact caused by continuous rotation of the measuring head is avoided, and the measuring head is protected from being further damaged.

The invention relates to a multi-motor cooperative control method, system and device based on position and speed double feedback and a self-adaptive sliding mode and a medium, and relates to the technical field of multi-motor cooperative control. The multi-motor cooperative control method comprises the following steps: acquiring an actual position signal and an actual speed signal of each motor, and converting and calculating a position synchronization error and a speed synchronization error between the motors; calculating a position tracking error and a speed tracking error of each motor according to a preset reference position signal and a reference speed signal; fusing the weighted operation position synchronization error, the speed synchronization error, the position tracking error and the speed tracking error to construct a sliding mode surface function; iteratively optimizing the sliding mode surface function according to a preset fuzzy reasoning mechanism, outputting a self-adaptive adjustment amount, updating the original switching gain, and calculating a new switching gain; and calculating the final control quantity of each motor according to the new switching gain, the sliding mode surface function and the saturation constraint function, and outputting the final control quantity to a corresponding motor driver to drive the motor to move.

The invention discloses an automatic setting method for control parameters. The method comprises the following steps: acquiring a currently set rigidity level; controlling the motor to move according to the motion instruction; according to the currently set rigidity level, determining an optimal gain parameter which does not exceed the current rigidity level in a preset rigidity gain table; performing automatic inertia identification when the motor moves according to the movement instruction; and adjusting a gain parameter according to the identified inertia parameter to obtain a target rigidity level and a corresponding target gain parameter. The automatic setting of the gain parameter is realized through the automatically identified inertia parameter, and the requirements of the servo driver for debugging rapidity and stability are met; according to the invention, the gain parameter of the servo driver can be automatically and quickly set without manual participation, and the parameter setting efficiency of the servo driver is improved.

The application discloses a kind of depot train wheelset rapid detection and maintenance positioning device and method, belong to train wheelset detection technical field, rotating jacking mechanism will be contacted with wheelset axle and lift wheelset from the rail of maintenance platform, and drive its rotation, rail and wheel are provided with flange detection component, flange detection component can be continuously checked and explored by mechanical probe rod and ultrasonic probe, wheel side detection component is set on rotating jacking mechanism, wheel side detection component is detected to wheel side by laser scanning detector, flange detection component and wheel side detection component are transmitted to host computer, and the mechanical model of both sides wheel is formed in host computer and shows damage point, host computer controls the stepping motor movement of rotating jacking mechanism, damage point can be selected by host computer screen, and rotating jacking mechanism is controlled to rotate slowly, finally make damage point stay to the exploration point of ultrasonic probe or laser scanning detector, it is convenient for maintenance personnel to identify suspicious damage point.

The invention discloses a light-emitting and sound-producing toy ball, belongs to the technical field of toy balls, and aims to solve the problems that the playing method of a PVC toy ball in the prior art is relatively single, and the PVC toy ball can only be used as a common bouncy ball and lacks innovativeness and interestingness. Children are easy to feel boring in the playing process, and the entertainment value of the toy ball cannot be fully exerted. Comprising a movement group, an external waterproof ring, an internal waterproof ring, a ball body, a PVC (polyvinyl chloride) sleeve and a wrench, the movement group comprises an upper cover, a lower cover and an electronic movement; a mounting groove for mounting the movement group is formed in the ball body, and a PVC (polyvinyl chloride) sleeve is arranged in the mounting groove. And the upper cover is sleeved at the upper end outside the motor core. And the lower cover is sleeved at the lower end outside the electronic movement. And an external waterproof ring is sleeved outside the upper cover. And an internal waterproof ring is arranged on the inner wall of the lower cover. The light-emitting and sound-producing toy ball is rich in function, interestingness and attraction are enhanced, the situation that the toy ball is rapidly eliminated due to the single function is reduced, and the use value of the toy ball is improved.

The invention discloses a position correction method and system for an open-loop control motor, and belongs to the technical field of motor control. A travel switch is arranged at the initial position of a motor motion shaft in a matched mode, a zero point area of the initial position is set based on the detection range of the travel switch, and a controller is controlled based on the zero point area; setting a zero position of the motor at the moment when the motor drives the object to leave the initial point, and controlling the change of the travel switch when the object completely leaves the zero position; when the motor drives the object to return, the controller controls the object to move to a zero point area and performs position zero clearing through the travel switch, so that dangerous actions or destructive actions caused by continuous accumulation of position errors along with the motion of the motor are effectively avoided, and long-term accuracy of motion control is ensured. The control method is simple, convenient to implement and wide in application in the field of automation equipment, especially when a stepping motor or a servo motor works, errors are small, error accumulation is avoided, implementation is easy, the positioning function is achieved, and the position correction precision is high.

1. The name of this design product: Motor core housing (miniature). 2. Purpose of this design product: used to install motor movement. 3. The key point of the design of this product lies in the shape of the product. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The present application provides a method and related equipment for debugging facial movements of a bionic robot, and relates to the field of intelligent robot technology. The present application can automatically adjust the motor movement amplitude of a bionic robot to be debugged by using a manually fine-tuned reference bionic robot as a reference object, ensuring that the reference bionic robot and the adjusted bionic robot to be debugged can directly display the same or similar facial expression effects when performing the same facial movements, thereby effectively reducing the manual adjustment workload and the deviation in the robot's facial movement performance during the robot mass production process, and improving the robot's adjustment efficiency and the consistency of the robot's facial movement performance, thereby meeting the timeliness requirements and facial movement performance consistency requirements during robot mass production.

The present invention provides a hemispherical arc scanning test stand that can be used for laser confrontation testing, comprising at least two gear rings, the same number of gear ring bases, and at least the same number of cameras. The gear rings are semicircular structures, and the radii of different gear rings are different. Each gear ring is mounted on a gear ring base, and the gear ring bases are coaxially mounted and rotate around an axis driven by a motor. Each gear ring is equipped with at least one mounting base for mounting a camera. The mounting base is also equipped with a drive motor and a gear. The gear meshes with the gear ring and rotates under the action of the drive motor, driving the mounting base to move on the gear ring. During the movement, the camera always points to the center of the gear ring. The scanning device of the present invention has a large motion span, high positioning accuracy, and strong repeatability. It can simultaneously adjust the angle between the inner and outer rings and position the scanning device at any angle in the air, and can also ensure that the device always points to the center of the object to be tested.

Provided is a technique capable of controlling a moving body during self-propelled production. A control device for controlling the operation of a moving body capable of moving by unmanned driving is provided with: an acquisition unit for acquiring process information indicating a manufacturing process being performed on the moving body; a determination unit that uses the process information to determine which of an engine movement mode in which movement is performed using the engine and a motor movement mode in which movement is performed using the motor to move the moving body; and a control unit that moves the moving body in the determined movement pattern.

The invention discloses a robot motion control method and device, a storage medium and a robot, and aims to enable the robot to avoid obstacles and safely reach a target point in a shortest path. The method comprises the steps that in the process that a robot moves towards a target point, when it is detected that an obstacle exists in the movement direction of the robot, information of the obstacle is obtained in real time, and the information of the obstacle at least comprises the shortest distance between the robot and the obstacle; when the shortest distance reaches a preset safety distance, the robot is controlled to rotate around the obstacle according to the obstacle information; and when it is detected that the robot rotates to the direction pointing to the target point and no obstacle exists in the direction, the robot is controlled to linearly move in the direction pointing to the target point.

The invention provides a motor movement control method and device and electronic equipment, and the method comprises the steps: driving a motor to move from a current position to a target position, and obtaining a detection position of the motor in a given detection stroke and a movement direction of the motor relative to the given detection stroke; based on the detection position and the moving direction of the motor, the compensation position of the motor in the given detection stroke is obtained, the motor is driven to move according to the compensation position, and the target object is made to move to the ideal position in the given transmission stroke. Therefore, according to the invention, the movement direction of the motor is judged, the detection position of the motor is identified, and the movement position of the motor is subjected to compensation calculation, so that the problem of consistency of return stroke control of the motor caused by a mechanical gap is improved, and the movement accuracy of the motor is improved.

The application provides a double linear gripper control method. The double linear gripper control method comprises the following steps: setting a dynamic collision distance M; obtaining initial positions and target positions of two linear grippers; calculating a shortest distance N in a movement process of the two linear grippers according to given motor movement parameters of the two linear grippers, and judging a size relationship between the distance M and the shortest distance N; and adjusting the motor movement parameters of the two linear grippers when N<=M. The application solves the problem that the double linear grippers are prone to collision in the prior art.

An information processing method includes, in a processing part of an information processing device that is connected to a user terminal device via a network: presenting a test related to fine motor movement to the user terminal device; generating an operation result according to an operation with respect to the test on the user terminal device having a touch panel; and generating to-be-provided information regarding a neuromuscular disease based on the operation result that has been acquired.

The utility model relates to the technical field of machining equipment, and discloses a grinding device for carrying disc production, which comprises a working table, a motor is fixedly connected inside a motor box, a grinding disc is arranged outside the motor box, a hydraulic machine is fixedly connected to the upper surface of the working table, and a grinding tool bit is arranged at the bottom of a top plate. The grinding device has the following advantages and effects that a worker puts a carrying disc into the circular groove formed in the grinding disc, then the motor is started to drive the carrying disc placed in the circular groove to rotate, then the hydraulic machine is started, and the transverse plate moves on the upper surface of the workbench through sliding connection of the sliding groove and the sliding rail; when the grinding tool bit moves to the edge of the carrying disc, the rotating disc is rotated to enable the stud to drive the grinding tool bit to move downwards, the grinding tool bit moving downwards makes contact with the rotating carrying disc, the carrying disc starts to be ground, through the operation, the machining efficiency of the carrying disc is improved, and the effect that the grinding effect on the carrying disc is good is achieved.

The present application discloses an improved motor control method and controller, which belongs to the field of motor control technology. The method includes obtaining the real-time position of the mover when the motor is running; calculating the difference between the real-time position and the pre-stored expected position to obtain position error information; calculating the adjustment item based on the position error information and a predetermined adjustment coefficient; adjusting the expected current value of the motor using the adjustment item to obtain the adjusted expected current value; calculating the difference between the adjusted expected current value and the real-time current value to obtain a current error signal; and controlling the motor movement based on the current error signal. The present application optimizes the controller structure and introduces a new adjustment item, which can increase the stability of the system, obtain a better expected current value, and suppress the residual jitter of the motor system.

The disclosure relates to a method for operating a linear motor system, in particular a long-stator or planar motor system, comprising a stator with numerous drive coils and at least one shuttle carrying drive magnets and moving relative to the stator. An electromagnetic field is generated by energizing selected drive coils to interact with the drive magnets and move the shuttle. To improve efficiency and motion control, a motion control unit determines at least one drive variable from a predefined movement profile and / or target movement values and from actual movement values for a given time step. Based on the drive variable, the motion control unit selects the drive coils to be energized and determines their energization to move the shuttle in a desired motion. An artificial intelligence method is used at least for determining which drive coils are energized and how they are energized, using the drive variable input.

The utility model relates to the technical field of rehabilitation training equipment, in particular to a lower limb exercise training device which comprises a bottom plate, vertical plates are fixed to the positions, close to the two sides, of the outer wall of the top of the bottom plate through bolts, and a transverse rod is horizontally fixed to the outer walls of the tops of the two vertical plates. A vertical rod is installed in the center of the outer wall of the bottom of the transverse rod, the bottom end of the vertical rod is installed on the outer wall of the top of the bottom plate, and strip-shaped grooves are formed in the outer walls of the two sides of the vertical rod. Vertical grooves are formed in the outer walls of one sides of the two vertical plates correspondingly, and the two driving mechanisms are installed in the two vertical grooves correspondingly; a connection mechanism; the foot of a patient can be conveniently driven to reciprocate, the lower limbs of the patient can be driven to move without force of the patient, the movement amplitude is adjusted through the moving distance of the electric sliding rail, and therefore blood circulation of the lower limbs of the patient is fully promoted.