30results about How to "Improve sports safety" patented technology

The invention relates to an elastic supporting anti-slip splash-proof shoe sole which comprises an insole, a bottom piece and front and rear supporting parts assembled on the side walls of the insole. Each supporting part is composed of a plurality of elastic supporting bodies, each supporting body is composed of a vertical portion extending in the height direction of the shoe sole and a horizontal portion extending in the width direction of the shoe sole, and the lower ends of the vertical portions are integrally connected with the outer ends of the horizontal portions to form an L shape. The upper ends of all the vertical portions are integrally connected through connecting strips, and the connecting strips are fixedly connected with the side walls of the insole. Anti-slip protrusions are further arranged on the bottom edge of the outer side wall of the vertical portion of the rear supporting part. The inner ends of all the horizontal portions are integrally connected and are clamped between the insole and the bottom piece. The configured front and rear supporting bodies enable the shoe sole to have conformable, shock-absorbing, supporting and side turn preventing functions, the bottom piece, the front supporting bodies and the rear supporting bodies can respectively provide a good assistance effect on the foot, and the exercise efficiency can be improved. The arranged bottom piece structure enables the shoe sole to have good water drainage property and road holding capacity.

According to the embodiment, the invention relates to a detection technology, and in particular to a sports state analysis method and a sports state analysis system. A foot pad which is provided with at least two sensors which are bilaterally symmetrical about a center line in a horizontal direction is used in the sports state analysis method, and the analysis method comprises the following steps: under a walking state, acquiring distance of each sensor away from the center line as well as a pressure value on each sensor; calculating the ratio of pressure at the left side to pressure at the right side of the foot pad in accordance with the pressure values of the bilaterally symmetrical sensors; and judging a current foot state in accordance with the pressure ratio in combination with a standard threshold, and outputting a guidance tip matched with the current foot state under the state that the pressure values are not equal to the standard threshold. With the application of the analysis method and the analysis system, the foot state of a sportsman can be accurately acquired and correction guidance can be offered to the sportsman, so that sports safety is enhanced.

The invention relates to an elastic supporting anti-slip splash-proof shoe sole which comprises an insole, a bottom piece and front and rear supporting parts assembled on the side walls of the insole. Each supporting part is composed of a plurality of elastic supporting bodies, each supporting body is composed of a vertical portion extending in the height direction of the shoe sole and a horizontal portion extending in the width direction of the shoe sole, and the lower ends of the vertical portions are integrally connected with the outer ends of the horizontal portions to form an L shape. The upper ends of all the vertical portions are integrally connected through connecting strips, and the connecting strips are fixedly connected with the side walls of the insole. Anti-slip protrusions are further arranged on the bottom edge of the outer side wall of the vertical portion of the rear supporting part. The inner ends of all the horizontal portions are integrally connected and are clamped between the insole and the bottom piece. The configured front and rear supporting bodies enable the shoe sole to have conformable, shock-absorbing, supporting and side turn preventing functions, the bottom piece, the front supporting bodies and the rear supporting bodies can respectively provide a good assistance effect on the foot, and the exercise efficiency can be improved. The arranged bottom piece structure enables the shoe sole to have good water drainage property and road holding capacity.

The invention discloses a method and system for improving the safety of the motion speed of an industrial robot. The method is applied to a robot somatosensory teaching system, and the robot somatosensory teaching system is communicated with an inertial sensor. The method includes: building a first A peripheral circuit and a first main control circuit; collect the first user's somatosensory action according to the first inertial sensor, and generate a first original signal; obtain a first effective sampling frequency; performing signal acquisition on an original signal to generate a first time-domain waveform to complete spectrum analysis, and then obtaining first spectrum analysis data; performing digital filtering on the first spectrum analysis data to extract a first effective signal. It solves the technical problem in the prior art that the data collected by the sensor contains a lot of noise and is easily affected by external factors, which will interfere with the movement of the robot and even cause unsafe factors.

The invention relates to an elastic supporting antiskid, anti-splash and anti-rollover shoe sole. The shoe sole comprises an insole, a bottom sheet, a front supporting piece and a rear supporting piece, wherein the front supporting piece and the rear supporting piece are assembled on the side wall of the insole and each composed of a plurality of supporters with elasticity. Each supporter is composed of a vertical part, an upper horizontal part and a lower horizontal part, wherein the vertical part extends in the height direction of the shoe sole, the upper horizontal part and the lower horizontal part extend in the width direction of the shoe sole, and the vertical part is integrally connected with the upper horizontal part and the lower horizontal part to form an inverted U shape. The upper ends of all the vertical parts are connected into a whole through connecting strips, and the connecting strips are fixedly connected with the side wall of the insole. An antiskid protrusion is arranged on the bottom edge of the outer side wall of each vertical part of the rear supporting piece. The upper horizontal parts and the lower horizontal parts are fixedly connected with the insole. Through arrangement of the front supporters and the rear supporters, the shoe sole can achieve the functions of comfort provision, shock absorption, support and rollover prevention at the same time, and the bottom sheet, the front supporters and the rear supporters can provide good assistance effects for the feet, so that the exercise efficiency is improved. The structural arrangement of the bottom sheet enables the shoe sole to have good drainage performance and ground holding capacity.

The invention provides an unknown environment route planning method of an underwater cleaning robot, which is a self-adaptive learning fuzzy control method for planning a track in an unknown environment. The method is characterized in that: by simulating the route planning thought, obstacle avoiding through and intelligent thoughts for making a decision for determining the priority of quick planning and obstacle avoiding, three different sub fuzzy controllers are put forward correspondingly for solving three kinds of problems. Meanwhile, according to the estimation of the movement results of a controlled robot, the rule base of the fuzzy controller is modified correspondingly to make the fuzzy controller can handle more complex external disturbance and effectively solve the problem of U-shaped obstacles and symmetric obstacles, so that the robot can complete a planned task and arrive at a destination in a more complex environment. The method eliminates the uncertainty influences of anunderground complex environmental factor on the route planning of the robot, improves the movement safety of the robot and enables the robot to well adapt to the complex underground industrial environment.

The invention discloses a method for changing the running track and posture of an object through a flexible cable, which comprises the following steps: connecting one end of a pair of lifting wire ropes passing through a first running trolley to two points on the object; connecting one end of the traction wire rope to The third point on the object that can form a plane with the two points is connected; by adjusting the length of a pair of lifting wire ropes and traction wire ropes, the object moves downward in the vertical direction; by driving the first running trolley along the guide rail horizontally Walk to the right, adjust the length of a pair of lifting wire ropes and traction wire ropes, so that the object moves in an upward direction until it stops. The method of the present invention is simple and feasible, and the object can realize multi-trajectory and multi-attitude arbitrary flight through multiple steel wire ropes, and the multiple steel wire ropes will not be entangled with each other during the flight of the object, and the running trolley will not collide with other objects , so the flight of the object is safe and reliable, and the safety and stability of the object are improved.

The invention relates to the control field of numerically-controlled machine tool and, is specific to a full closed-loop axial motion control method of dynamic correction motion interpolation of a shaft of a machine tool. The feedback of dynamic correction motion interpolation of the shaft of the machine tool is obtained through a belt circumscribed location sensing device. Countershaft motion instruction uses the feedback of a servo motor encoder and a machine tool location sensing device to perform a shaft motion planning and form a shaft speed set value in the processing procedure. The interpolation points of the shaft motion in the processing procedure are achieved by shaft controlling portion, and the smooth running of the servo motor in a shaft transmission device is achieved by PID (picture input device) control. The invention is well-adapted, the positioning accuracy and the repeated positioning accuracy of the machine tool can be ensured, the speed smoothness is high, dynamic nature is good and motion safety is high.

The invention relates to the field of control of numerical control machine tools, and specifically provides method for adding pipeline interpolation on the basis of dynamically correcting motion track interpolation position according to the feedback of a grating ruler and other external connecting position sensing devices as well as a servo motor encoder so as to dynamically plan the motion tracks. The method is suitable for two-shaft and three-shaft coupling linear interpolation, two-shaft coupling arc-shaped interpolation and hybrid configuration of full-closed-loop feedback, full-closed-hoop feedback and semi-closed-hoop feedback. With the adoption of the method, the multi-shaft coupling contour precision, positioning precision and repeated positioning precision can be met, a servo motor can run stably, the processing precision of a workpiece can be ensured, and the service life of a machine can be prolonged. The method is high in adaptability, high in processing route contour precision, high in speed smoothness, high in dynamic performance and high in motion safety.

The invention relates to an assistance splash-proof shoe sole with an enhanced protection function.The shoe sole comprises a middle sole body, a sole sheet, a front assistance piece and a rear assistance piece, wherein the front assistance piece and the rear assistance piece are each composed of a plurality of assistance bodies with elasticity.Each assistance body is composed of a vertical part extending in the height direction of the shoe sole and a transverse part extending in the width direction of the shoe sole, wherein the lower end of the vertical part and the outer end of the transverse part are integrally connected to form an L shape, the upper end of the vertical part inclines outwards, and the bottom edge of the outer side wall of the vertical part of the rear assistance piece is provided with antiskid protections.A protection part is integrally connected with the top end of each assistance body.The protection parts of every two adjacent vertical parts are connected into a whole.Due to the arrangement of the front assistance body and the rear assistance body, the shoe sole can have the comfort, shock absorption, supporting and rollover prevention functions at the same time, good assistance and protection effects can be provided for feet, and movement efficiency is improved; due to the structure of the sole sheet, the shoe sole has good water permeability and rod holding capacity.

The invention relates to a full closed-loop control method for multi-shaft linked dynamic correction of interpolation positions. The full closed-loop control method for multi-shaft linked dynamic correction of the interpolation positions comprises adjusting command positions of shafts on a first command position coordinate according to collected deviation between actual positions of the shafts and a motor; performing projection of adjusted command position vectors of the shafts on a machined track, obtaining a projection length and confirming corrected command positions; stopping adjusting when a full closed-loop condition is satisfied; performing speed connection processing on a movement segment and a next movement segment when a program segment is in parallel connection and provided with follow-up movement segments; not adjusting the interpolation positions until interpolation of the current movement segment is not achieved if the full closed-loop control condition is not satisfied and enabling the actual positions of the shafts to be moved to the command positions through a PID (Proportion Integration Differentiation) control algorithm within the positioning duration which is provided through a system. The full closed-loop control method for multi-shaft linked dynamic correction of the interpolation positions has the advantages of satisfying the multi-shaft linked profile accuracy, the positioning accuracy and the repositioning accuracy, meanwhile guaranteeing stabile operation of a servo motor, guaranteeing workpiece machining accuracy and prolonging the service life of machine tools.

The invention provides a six-PTRT type parallel robot with the self-calibration function. The six-PTRT type parallel robot with the self-calibration function comprises a parallel robot body composed of a static platform, a movable platform, six connecting rod mechanisms and a drive device, wherein the six connecting rod mechanisms are connected between the static platform and the movable platform, and the drive device is connected with the connecting rod mechanisms. The six-PTRT type parallel robot further comprises a calibration device. The calibration device comprises a truss structure, six stay wire sensors and six stay ropes, wherein the upper portion and the lower portion of the truss structure are respectively in the shape of a regular hexagon. The parallel robot body is fixedly installed at the bottom of the truss structure. The six stay wire sensors are fixed to the six corners of the upper regular hexagon on the truss structure respectively. One end of each stay rope is fixed to the corresponding stay wire sensor, and the other end of each stay rope is fixed to the movable platform. The six-PTRT type parallel robot with the self-calibration function has six degrees of freedom and can achieve spatial complete positioning and simulation of poses, and the platform with the six degrees of freedom can be calibrated; the six-PTRT type parallel robot with the self-calibration function is exquisite in structure, small in size, light in weight and low in manufacturing cost and can be easily controlled through computer programming.