15 results about "Contact motion" patented technology

The invention discloses a figure modeling and fitness action teaching method and system based on non-contact action capture, and the method carries out the real-time monitoring of a human body posture through a millimeter wave radar, carries out the 3D human body posture reconstruction and analysis through combining with a human body posture frame of Google image processing, and achieves the high-precision action capture. The method can be used for human body modeling, body building action scoring and action guidance, action evaluation and real-time feedback in body building teaching can be effectively supported, the millimeter wave radar is adopted for human body posture capture, external markers or wearable equipment are not needed, constraint on user activities is avoided, and use convenience and comfort are improved. The 3D posture of the human body can be accurately reconstructed in combination with a deep learning neural network, and real-time processing and analysis are carried out. The method not only can realize accurate motion capture, but also can be combined with fitness motion scoring and guidance, is widely applied to the fields of virtual fitness, exercise rehabilitation and the like, and has great application potential.

Methods and systems are provided for authenticating an individual using a motion of a physiological structure. For example, an individual may be authenticated using their cardiac motion. A first radiofrequency (“RF”) signal is transmitted towards the physiological structure of the individual. A first RF return signal is received, where the first RF return signal corresponds to the transmitted first RF signal. The first RF signal and first RF return signal are processed to obtain a motion signal. One or more values are determined for each fiducial point of a set of pre-determined fiducial points in the motion signal. The set of pre-determined fiducial points corresponds to physical movements of the physiological structure. The individual is authenticated based on the values of one or more fiducial points.

The present application relates to a kind of compliant task control method based on plane constant force, belong to robot control technical field, it includes the following steps: zero force control is carried out to robot, and the trajectory of robot terminal is collected to generate desired trajectory;Compliant task of robot terminal is decoupled in compliant coordinate system, is decomposed into position control in rigid plane and force control in the direction perpendicular to rigid plane, establishes the force-position hybrid control model based on position mode;According to the small offset amount that robot terminal is generated when being contacted with rigid plane due to the action of external force, establish trajectory adjustment controller model;The desired external force of robot terminal is set as constant force, robot terminal is controlled according to desired trajectory by using force-position hybrid control model, and the desired trajectory of robot terminal is fine-tuned by using trajectory adjustment controller model.This compliant task control method can make robot terminal contact with rigid plane movement, and not cause destructive damage to plane.

The present invention relates to a stylus pen and, more specifically, to a stylus pen, which can clearly distinguish between a hover motion, a contact motion and a pen pressure motion, has a simple internal structure, easily detects pen pressure, has relatively little performance change due to assembly deviations, and can reduce manufacturing costs. The stylus pen according to an embodiment of the present invention comprises: an inductor unit; a first elastic member disposed to be spaced from the inductor unit; a core which is disposed to penetrate the inductor unit, and which moves toward the first elastic member by means of an external force acting on one end thereof; and a magnetic body which is disposed between the inductor unit and the first elastic member, and of which the distance from the inductor unit changes in conjunction with that of the core, wherein the first elastic member is compressed by the movement of the core.

The utility model discloses a relay contact moving structure, which comprises a moving contact frame movably connected with a driving rod and a moving contact fixed on the moving contact frame, and is characterized in that the moving contact frame comprises two clamping plates oppositely clamping the moving contact, a locking assembly fixedly connected with the two clamping plates, and a positioning structure arranged between the two clamping plates and the moving contact; according to the technical scheme, contact pressure needed by contact is provided for the movable contact and the static contact through elastic deformation of the spring piece, and when the movable contact and the static contact are in closed contact, the driving rod continues to do over-travel motion relative to the movable contact frame by compressing the spring piece. A certain contact overtravel is provided for contact movement of the relay, so that elastic force of the spring piece can be utilized for buffering when the contacts are closed to avoid bouncing and shaking of the contacts, it can be guaranteed that the moving contacts and the static contacts can still keep certain contact pressure after electrical abrasion, and the electrical service life of the contacts is prolonged.

Provided is a robot control device capable of continuing the operation of a robot when contact is detected. This robot control device comprises: a program management unit that executes a robot program that includes a contact skip motion instruction, the contact skip motion instruction including an external force threshold for stopping the robot when the robot has detected an external force; and a contact motion execution unit that, when the external force detected by the robot exceeds the external force threshold during movement of the robot, stops the movement of the robot in response to the contact skip motion instruction, and executes the next instruction block of the robot program.

The invention discloses a magnetic-contact-motion decoupling three-arm robot cooperative operation control method, and relates to the technical field of space robots, and the method comprises the steps: building a magnetic force model based on the state parameters of a three-arm robot at the current moment; constructing a target function, a three-arm collaborative equality constraint and a three-arm safety inequality constraint of a discrete multi-constraint trajectory optimization problem based on an expected satellite maintenance control instruction by adopting a sampling model prediction control method; determining a non-contact magnetic constraint based on the magnetic model; based on the magnetic force model and the state parameters, determining a correction value of a tail end expected Cartesian velocity and updating a three-arm collaborative equality constraint; and based on the objective function, the three-arm safety inequality constraint, the non-contact magnetic constraint and the updated three-arm collaborative equality constraint, constructing a discrete multi-constraint trajectory optimization model and solving the model to obtain an optimized motion trajectory, and determining a collaborative operation motion control instruction. According to the method, the motion safety and the force flexibility of in-orbit maintenance of the space robot satellite are improved.

To provide a living body contact detection sensor capable of detecting that a patient himself or herself has pulled out a medical catheter and has removed a bandage, a covering material, a skin bonding tape, etc. beforehand, and to provide a living body contact detection device using the living body contact detection sensor.SOLUTION: A contact operation determination module for executing prediction determination of a specific operation in a wearer includes: a contact signal acquisition part for acquiring a contact signal from a contact detection sensor for detecting contact of the wearer; an operation determination part for determining an operation of the wearer on the basis of an interval, pattern and / or output of the contact signal acquired by the contact signal acquisition part; and an operation signal output part for outputting the operation signal when the result in the operation determination part is determined to be a specific operation.SELECTED DRAWING: Figure 3

Provided is a contact motion determining module that predicts and determines a specific action of a wearer in order to detect in advance that a patient himself / herself removes a medical catheter or removes a bandage, a covering material, a skin bonding tape, or the like, the contact motion determining module including: a contact signal acquiring unit that acquires a contact signal from a contact detection sensor which detects a contact of the wearer; an action determining unit that determines an action of the wearer based on an interval, a pattern, and / or an output of the contact signal acquired by the contact signal acquiring unit; and an action signal output unit that outputs an action signal when a determination result of the action determining unit is determined to be a specific action.

The application discloses a microwave frequency-controlled multi-degree-of-freedom imitated crawler robot, and relates to the technical field of micro-mechanics, which comprises a frame, a microwave receiving module and a motion executing module, the motion executing module is arranged in the frame, the microwave receiving module is arranged on the top of the frame and is connected with the motion executing module through the frame, the microwave receiving module is used for receiving microwaves and converting the microwaves into induced current which is transmitted to the motion executing module, and the motion executing module is used for driving the crawler robot to move to a target position. The application has compact structure, excellent driving performance and can realize non-contact motion control.

To enable an operator to keep their hands sterile, a method for the non-contact motion control of a motor-driven and / or movable component of a medical device with a handle element, in particular in the form of a handle strip, arranged on the device is provided, comprising the following steps: recording of measured values ​​by sensors arranged on or near the handle element, in particular distance and / or position sensors, while the device is in a first operating mode, wherein the first operating mode excludes non-contact motion control; evaluation of the measured values ​​with regard to the approach of at least one operator's hand; switching the device to a second operating mode if the result of the evaluation fulfills a first preset condition, wherein the second operating mode includes non-contact motion control.and wherein the first condition is a first distance of the operator's hand to the handle element being undercut from a first approach direction.

The invention discloses a microwave frequency-controlled multi-degree-of-freedom crawler-imitating robot, and relates to the technical field of micro-machine.The microwave frequency-controlled multi-degree-of-freedom crawler-imitating robot comprises a rack, a microwave receiving module and a motion execution module, the motion execution module is arranged in the rack, and the microwave receiving module is arranged at the top of the rack and connected with the motion execution module through the rack; the microwave receiving module is used for receiving microwaves, converting the microwaves into induction current and transmitting the induction current to the motion execution module, and the motion execution module is used for driving the crawler robot to move to a target position. The device is compact in structure, excellent in driving performance and capable of achieving non-contact motion control.

A method for recognizing a predetermined gesture, such as a kick (16) or a hand gesture, for the purpose of controlling the opening and closing and / or locking or unlocking of an opening element of an automobile, the method being performed by a computing unit (22). The method includes the steps of: obtaining an electrical signal corresponding to the gesture from a non-contact motion sensor (18); determining at least three time windows in the electrical signal, wherein the at least three time windows correspond to the approach, stop, and retreat stages of the gesture; determining a value for at least one characteristic associated with the electrical signal for each of the time windows; and using a boosting classification algorithm to determine, based on a vector, which of the following classes the gesture belongs to: positive events indicating that the gesture corresponds to a predetermined gesture and negative events indicating that the gesture does not correspond to a predetermined gesture.

A method for recognizing a predetermined gesture, such as a kick (16) or hand movement, intended to control the opening or closing, and / or the locking or unlocking of a motor vehicle opening, the method being implemented by a computing unit (22). The method comprises obtaining an electrical signal from a non-contact motion sensor (18), the electrical signal corresponding to a gesture; determining at least three windows in the electrical signal corresponding to the approach, stop, and withdrawal phases of the gesture; determining the value of at least one characteristic associated with the electrical signal for each of the time windows; and using a boosting-type classification algorithm to determine whether the gesture belongs to one of the following two classes: a positive event indicating that the gesture corresponds to the predetermined gesture, and a negative event indicating that the gesture does not correspond to the predetermined gesture.Figure from the summary: Figure 1.

In order to enable an operator to keep the hands sterile, a method is provided for contactless movement control of a part of a medical device that can be moved and / or driven by a motor, using a handle element, in particular a handle element in the form of a handle bar, arranged on the device, the method comprises the following steps: recording measured values by means of a sensor, in particular a distance and / or position sensor, arranged on or near the handle element when the device is in a first operating mode excluding a contactless motion control; the measurement value is evaluated with respect to the approach of at least one hand of the operator, and if the evaluation result satisfies a predetermined first condition, the device is switched to a second operating mode, the second operating mode comprising a contactless motion control, the first condition is that the distance from the handle element is lower than the first distance when the hand of the operator approaches from the first approach direction.