693 results about "Fall prevention" patented technology

A new apparatus, system and method for fall prevention training is provided that delivers, studies and analyzes the biomechanics of a disturbance event, such as a slip or trip incident, so that an appropriate response can be executed by the person to reduce or eliminate the number of falls experienced. The apparatus includes a platform that delivers a disturbance event in less than about 500 ms and preferably in the range of about 100 ms to about 200 ms. The method includes a unique protocol for fall prevention training using the apparatus. The disturbance event can create instability in the joint of the individual. An individual's walking gait can be monitored with the portions thereof detected. A disturbance event can be triggered when a given portion of the walking gait is detected. Also, the disturbance even can be triggered manually, at preset intervals or according to preset script.

A recovery walking aiding robot belongs to walking aiding robots and recovery machinery, solves the problem that an existing recovery walking aiding robot is inflexible to pass through the narrow environment, simple in motion function and high in requirements for operation flexibility of users, and well meets actual recovery requirements. The recovery walking aiding robot comprises a handrail frame, a connection frame, a flat type microcomputer, an S-shaped support rod and a base plate, wherein the handrail frame is fixed with the connection frame through a linear bearing, the flat type microcomputer is installed on the connection frame through a support seat, the connection frame is arranged on the base plate through the S-shaped support rod, a control box is arranged on the base plate, and an environmental self-adaption module, a motion intention identification module, a speed control module, a falling prevention module and a motor driving module are loaded on the flat type microcomputer. The recovery walking aiding robot can automatically adapt to complex external environments, can achieve the functions of detecting and avoiding obstacles, preventing sliding and the like, provides falling prevention, and solves contradiction between dyskinesia of users and operation requirements of the robot.

A new apparatus, system and method for fall prevention training is provided that delivers, studies and analyzes the biomechanics of a disturbance event, such as a slip or trip incident, so that an appropriate response can be executed by the person to reduce or eliminate the number of falls experienced. The apparatus includes a platform that delivers a disturbance event in less than about 500 ms and preferably in the range of about 100 ms to about 200 ms. The method includes a unique protocol for fall prevention training using the apparatus.

There is provided a system for fall prevention for a user, comprising one or more sensors for attachment to respective portions of the body, each sensor being adapted to measure movement of the respective portion of the body and to translate the movement into a signal; and a controller adapted to receive the signal or signals and to determine a risk of falling by estimating a trajectory of the centre of mass of the user relative to a trajectory of a lower portion of the body from the signal or signals.

System for fall prevention for a user, comprising a number of sensors (2) attachable to at least one lower body segment (3), wherein said sensors (2) are adapted to measure movement of said at least one lower body segment (3) and to translate the movement into a signal (S), the system further comprising a control (12) adapted to receive the signal (S) from said respective sensors (2), wherein in use the control (12) observes the signal (S) as an actual sequence of postures of said at least one lower body segment (3) and compares the actual sequence with a predetermined sequence of postures as a function of time, (the predetermined sequence relating to a low risk of falling,) wherein the control (12) is adapted to determine a high risk of falling when the actual sequence deviates from the predetermined sequence (to a certain degree). The invention further relates to a method for fall prevention using such a system for fall prevention.

Disclosed are a fall-proof method and fall-proof device for a mobile terminal. The method comprises: detecting whether a mobile terminal is in a destructive drop state or not; if the mobile terminal is in the destructive drop state, detecting an included angle α between a vertical line based on a preset point on a preset end surface of the mobile terminal and the preset end surface, or detecting an included angle α between the vertical line based on the preset point on the mobile terminal and a plane on which the preset end surface is located; according to the detected included angle α and a preset fall-proof included angle β, analyzing whether posture adjustment needs to be performed on the mobile terminal or not; and when the posture adjustment needs to be performed on the mobile terminal, according to a difference value between the detected included angle α and the preset fall-proof included angle β, controlling a kinetic energy module to adjust a drop posture of the mobile terminal. By adopting the embodiments of the present invention, the impact of a vulnerable portion can be avoided by adjusting the drop posture of the mobile terminal, thereby improving the fall-proof performance of the mobile terminal.

A new apparatus, system and method for fall prevention training is provided that delivers, studies and analyzes the biomechanics of a disturbance event, such as a slip or trip incident, so that an appropriate response can be executed by the person to reduce or eliminate the number of falls experienced. The apparatus includes a platform that delivers a disturbance event in less than about 500 ms and preferably in the range of about 100 ms to about 200 ms. The method includes a unique protocol for fall prevention training using the apparatus.

There is provided a method of determining a fall risk of a user, the method comprising collecting measurements of the motion of the user, estimating a value for a parameter related to the gait of the user from the measurements, and determining a fall risk for the user from a comparison of the estimated value with a normal value for the parameter determined from motion of the user in which the user is at their normal risk of falling.

A walking shoe that senses a fall and urges a user of the shoe to perform movement for fall prevention. When the walker stumbles or almost falls, a microprocessor is activated, based on a sensing signal of a pressure-sensitive sensor that senses a pressure applied to a tread to detect a lifting velocity and / or a lifting amount of the foot based on a detection signal of an acceleration sensor, and when the lifting velocity and / or the lifting amount is lower than a reference value, the microprocessor actuates a stimulator that stimulates a bottom of the foot. At this time, since the user reflexively lifts the foot, the user can avoid stumbling.

The invention discloses a home intelligent safety control system comprising mobile terminals, a cloud platform server, a home router, a security alarm host and monitoring devices distributed at places home. The mobile terminals gain access to the internet through Apps and communicate with the cloud platform server; the security alarm host communicates with the cloud platform server for data interaction, through the home router and a specific householder account registered. The monitoring devices include entrance door monitoring units, window monitoring units and indoor door monitoring units; the monitoring devices are all connected with the security alarm host; abnormal signals of the monitoring devices are all subjected to interaction with the mobile terminals of the householder and act correspondingly, through the security alarm host and the cloud platform server. The home intelligent safety control system allows intelligent control of accidents, such as entering and leaving, environmental change adaptation and indoor children fall prevention, for various households, and truly allows safe and reliable user-oriented intelligent home experience.

The invention discloses a mobile terminal anti-falling method and an anti-falling device. The method is applied to the mobile terminal anti-falling device. The method comprises the steps of determining the mobile terminal to be in a falling state according to the acquired sensor data of the mobile terminal; generating an attitude adjustment command and an adjustment parameter according to the falling state value of the mobile terminal and the preset falling prevention strategy; and according to the preset control strategy and the attitude adjusting instruction and adjusting parameters, adjusting the gravity center position and the falling attitude of the mobile terminal when the mobile terminal falls off.

A new apparatus, system and method for fall prevention training is provided that delivers, studies and analyzes the biomechanics of a disturbance event, such as a slip or trip incident, so that an appropriate response can be executed by the person to reduce or eliminate the number of falls experienced. The apparatus includes a platform that delivers a disturbance event in less than about 500 ms and preferably in the range of about 100 ms to about 200 ms. The method includes a unique protocol for fall prevention training using the apparatus. The disturbance event can create instability in the joint of the individual. An individual's walking gait can be monitored with the portions thereof detected. A disturbance event can be triggered when a given portion of the walking gait is detected. Also, the disturbance even can be triggered manually, at preset intervals or according to preset script.

Method and device for fall prevention and detection, specially for the elderly care based on digital image analysis using an intelligent optical sensor. The fall detection is divided into two main steps; finding the person on the floor, and examining the way in which the person ended up on the floor. The first step is further divided into algorithms investigating the percentage share of the body on the floor, the inclination of the body and the apparent length of the person. The second step includes algorithms examining the velocity and acceleration of the person. When the first step indicates that the person is on the floor, data for a time period of a few seconds before and after the indication is analysed in the second step. If this indicates fall, a countdown state is initiated in order to reduce the risk of false alarms, before sending an alarm. The fall prevention is also divided into two main steps; identifying a person entering a bed, and identifying the person leaving the bed to end up standing beside it. The second step is again further divided into algorithms investigating the surface area of on or more objects in an image, the inclination and the apparent length of these objects. When the second step indicates that a person is in an upright condition, a countdown state is initiated in order to allow for the person to return to the bed.

The invention discloses a speed raising tool for percussion drilling. The speed raising tool mainly comprises a driving short nipple, a casing, a screw cap, a falling prevention block, a radial spring, a sealing ring, a torsion spring, an impacting shaft, a percussion hammer, a driving hammer, an axial spring, a driving shaft, a thrust bearing, a fixed shaft, a turbine stator, a turbine rotor, a stator pressing cap, a rotor pressing cap and an adapter. The speed raising tool is characterized in that two sector lugs are arranged at the upper end of the impacting shaft; two collision bearing blocks are arranged on the percussion hammer; the lower end of the impacting shaft penetrates through the percussion hammer; the upward motion of the percussion hammer is limited by the sector lugs; the two collision bearing blocks of the percussion hammer are respectively embedded into grooves formed by the two sector lugs of the impacting shaft; the percussion hammer can relatively rotate around the impacting shaft; the torsion spring is positioned between the driving short nipple and the percussion hammer; blind holes inserted into a straight line section of the torsion spring are respectively formed in the top end of the driving short nipple and the bottom end of the percussion hammer; the driving hammer periodically impacts the percussion hammer anticlockwise. The speed raising tool disclosed by the invention can generate torsional impact and transmits the torsional impact to a drilling bit and is used for improving the drilling efficiency.

The hand-held electronic device includes a central processing unit, a memory unit, a state-detecting unit, a state-determining unit, a main power supply unit, a standby power supply unit, and a power supply switching unit. After determining the presence of a fall state, the state-determining unit will output a fall prevention instruction and which causes the central processing unit to enter a low-potential current mode; meanwhile, the power supply switching unit monitors power output and continues to supply low-potential power. In case of a fall of the hand-held electronic device, the device and method protect operation data and reduce the otherwise power-consuming current. The less power-consuming current is conducive to the reduction of capacitance required for a backup battery. The low-potential current mode is effective in reducing the time taken to recover the operation mode of the electronic device.

A falling prevention controlling device includes a wheel, and a main body arranged to swing in a pitch direction and a roll direction above the wheel, an advance / retreat command receiving unit arranged to receive an advance or a retreat command of the wheel, a target pitch angle calculating unit arranged to calculate a target pitch angle based on the received command and a rotation velocity deviation in the pitch direction derived from the detected rotation angle, a pitch inclined angle estimating unit arranged to estimate a pitch inclined angle with respect to a balanced state, from the detected pitch angular velocity and a pitch torque command generated based on the target pitch angle, and a pitch torque command generating unit arranged to generate the pitch torque command based on the target pitch angle and the pitch inclined angle.

There is provided a fall prevention system that is suitable for being worn by a user, comprising a sensor for determining an indication of the risk of the user falling; two or more feedback devices for attachment to respective parts of the user's body, each feedback device being controllable to apply feedback to said respective part; and a controller configured to control the two or more feedback devices such that feedback is applied to a particular part of the user's body in response to the determined indication.

A portable fall prevention apparatus. The apparatus provides points of attachment for a tether line to which a safety harness worn by a workman on a sloped roof can be attached. A pair of grapples attach to opposite, overhang portions of a sloped roof. A tie down strap threaded through a ratchet tie down connects each of the grapples to oppositely-disposed, oppositely-directed hinge plates of an anchor assembly. With the anchor assembly placed transversely across the ridge of a sloped roof and the tie down straps tightened to eliminate slack therein, the anchor assembly provides a secure point of attachment for a tether line.

The invention provides an automatic tree obstacle removing robot based on image recognition and a use method thereof. The robot comprises a mechanical structure and a control system, wherein the mechanical structure comprises a holding mechanism used for encircling and holding a tree trunk, the holding mechanism is arranged on a climbing and posture adjustment mechanism used for climbing the treetrunk and supporting the entire mechanical structure, the holding mechanism is provided with a fall prevention mechanism used for preventing the robot from falling, and the climbing and posture adjustment mechanism is fixedly provided with a pruning mechanism used for pruning and removing tree obstacles; the control system comprises a sensing and detection subsystem, a communication transmission subsystem, a motion control subsystem, a power supply subsystem and a remote control operation subsystem. The robot can avoid the problems such as unsafety and incomplete obstacle clearance which are caused by artificial climbing, and greatly improve the work efficiency of the electric power sector.

The invention provides a high-voltage power transmission line robot. The high-voltage power transmission line robot comprises flexible power wheels which are arranged in pairs and can move along powertransmission cables, power wheel supporting arms and a supporting seat, wherein one end of each power wheel supporting arm is connected with each flexible power wheel; walking arm flexible driving mechanisms are correspondingly arranged on the supporting seat; the other end of each power wheel supporting arm is connected with each walking arm flexible driving mechanism and is hinged on the supporting seat in a swinging state; and an actuator which can be replaced according to operation tasks is also arranged on the supporting seat. The high-voltage power transmission line robot is designed for divided conductors with voltage being higher than 500kv, is capable of ensuring that the flexible power wheels are tightly close to an inspection line during moving, can be adapted to complicated situations of the line, can be better applied to line hardware, has a function of easily lifting and hanging the line, and also naturally has a falling prevention function, is capable of avoiding crossing failure caused by leaving from the line when crossing over poles and towers; the reliability and the stability of a robot platform in use are improved; the inspection efficiency and the safety aregreatly improved; and the equipment reliability is high.

The invention provides a material and a structure of a crust-hitting hammer head for an aluminum reduction cell and a casting technique thereof. The hammer head is prepared from rare earth high-chromium cast iron, and comprises the following components in percentage by weight: 1.5-2.5 percent of carbon, 0.5-1.5 percent of silicon, 0.20-1.5 percent of manganese, 25.0-35.0 percent of chromium, less than 0.05 percent of phosphorus, less than 0.05 percent of sulfur, 0.075-0.10 percent of mixed rare earth, not more than 1 percent of other impurities and the balance of iron. The crust-hitting hammer head has the structure that a steel pipe is cast in a hammer head body, and the front segment of the steel pipe and the hammer head body are cast into a whole, wherein a connection reinforcing hole is arranged at the front segment of the steel pipe; a common part of the middle segment of the steel pipe and the hammer head body forms a segment of hollow cavity; and the part of the steel pipe extending out of the chip body and a crust-hitting rod are sleeved and then fixed together through ring welding and notched welding. The technique adopts a top casting or side casting method. The crust-hitting hammer head has the characteristics of heat resisting property, corrosion resisting property, wear resisting property, light weight, falling prevention, strong technological adaptability, easy production and the like.

The distance between a pair of fall prevention members can be adjusted by causing the pair of fall prevention members to be linearly moved in mutually opposite directions along the spaced-apart direction along which the pair of fall prevention members are spaced apart from each other. A distance adjustment actuator portion is configured to be able to adjust the distance between the pair of fall prevention members to any of a distance for retraction greater than a width of a larger transported object in the spaced-apart direction; a distance for the larger transported object which is less than the distance for retraction and which corresponds to the width of the larger transported object in the spaced-apart direction; and a distance for the smaller transported object which is less than the distance for the larger transported object and which corresponds to a width of the smaller transported object in the spaced-apart direction.

The invention discloses a wall brick vertical surface mortar falling prevention structure of an automatic mortaring machine. The wall brick vertical surface mortar falling prevention structure comprises a steel wire net supply assembly, a mortar suspended net forming assembly and a mortar suspended net grabbing assembly, wherein the mortar suspended net forming assembly is arranged at the output end of the steel wire net supply assembly and used for processing a steel wire net into a mortar suspended net; the mortar suspended net is composed of a suspension end, a pressure face and a hook end which are connected in sequence; the included angle alpha between the suspension end and the pressure face is smaller than 90 degrees, and the hook end and the suspension end are located on the same side of the pressure face; and the mortar suspended net grabbing assembly is used for grabbing the formed mortar suspended net and placing the formed mortar suspended net on a wall brick, the first end face, facing the delivery input end, of the wall brick is hung on the suspension end of the mortar suspended net, the hook end of the mortar suspended net hooks the second end face, facing the delivery output end, of the wall brick, and a mortar bin is formed between the pressure head and the wall brick. As for the mortaring method, the mortar suspended net is placed on the end face, needing to be pasted, of the wall brick, and mortar is prevented from falling off. According to the wall brick vertical surface mortar falling prevention structure, cost is low, the structure is simple, and the problem that cement mortar cannot adhere to the vertical face of the wall brick is solved.

A multi-functional auxiliary arm self-balancing mechanical exoskeleton comprises a left exoskeleton arm and a right exoskeleton arm, wherein the left exoskeleton arm and the right exoskeleton arm areconnected with an exoskeleton trunk; and an exoskeleton hip joint is connected with a left exoskeleton lower limb and a right exoskeleton lower limb. The multi-functional auxiliary arm self-balancingmechanical exoskeleton is characterized by further comprising a left balancing auxiliary mechanism arm, a right balancing auxiliary mechanism arm and an electric self-control system, wherein the leftbalancing auxiliary mechanism arm and the right balancing auxiliary mechanism arm are connected with the exoskeleton hip joint; and the electric self-control system is electrically connected with theleft exoskeleton arm, the right exoskeleton arm, the exoskeleton trunk, the exoskeleton hip joint, the exoskeleton lower limb, the right exoskeleton lower limb, the left balancing auxiliary mechanismarm and the right balancing auxiliary mechanism arm. The multi-functional auxiliary arm self-balancing mechanical exoskeleton provided by the invention is simple in structure, high in applicability and high in safety; the multi-functional auxiliary arm self-balancing mechanical exoskeleton is applicable to not only tilting prevention, falling prevention and balance keeping for the medical rehabilitation of old people or patients but also the auxiliary handling of heavy objects; and accordingly, the heavy object handling weight can be improved.

The invention discloses a fall-proof wheeled robot fitted with a plurality of infrared transceiving modules, and an infrared signal transmitting and receiving direction of each infrared transceiving module is acutely angled to the horizon. Correspondingly, the invention also discloses a fall-proof method of the wheeled robot, comprising: the wheeled robot inclining at an acute angle to the horizon to transmit a plurality of infrared signals, and stopping moving forward if not receiving the corresponding infrared signals that are reflected within a predetermined period of time. The fall-proof wheeled robot and the fall-proof method have the advantages that the use of an inclined infrared signal transceiving mode provides a widened detection range, effective fall prevention is thus achieved, and the appearance design of the wheeled robot is more flexible.

The invention relates to a train cleaning apparatus which is used for cleaning the outer surface of a train carriage and comprises a stand serving as a main body. The train cleaning apparatus is characterized in that: the stand is provided with a cleaning mechanism, a walking mechanism, a sensing system and a control system, wherein the cleaning mechanism is used for cleaning the outer surface of the train carriage; the walking mechanism is used as a moving part of the cleaning machine; the sensing system is used as a monitoring part for detecting the external state of the cleaning machine; and the control system receives, analyzes and calculates the information of the sensing system, and controls the cleaning mechanism and a walking turning mechanism connected with the control system. The train cleaning apparatus provided by the invention has the advantages that: the appearance of a brush is designed according to the profile of the outer surface of a motor train and is compatible with multiple motor train types; the laser positioning and ranging and automatic turning closed-loop control ensure reliable and flexible walking as well as simple operation; and multiple-safety anti-collision protection is provided: laser ranging protection, platform falling-prevention photoelectric sensing and guide wheel collision prevention.

The invention discloses a fall prevention device which comprises a sole plate, a pressure sensor, a bolt, a signal transmission line, a first gear, a motor, a second gear, a cable, a data processing device, an acceleration sensor and a myoelectricity sensor. The pressure sensor is installed at one end of the bolt and connected with the data processing device through the signal transmission line; the first gear is connected with the other end of the bolt; the motor is connected with the data processing device through the cable; the second gear is in transmission connection with the motor and the first gear; the data processing device is used for processing signals, real-time status of human body poses is obtained, the motor is controlled according to the human body poses, and height of the bolt is adjusted. The fall prevention device can comprehensively and accurately reflect whether a human body is about to fall, the signals are classified by adopting artificial intelligence technology, current human body pose status is obtained, and the motor is controlled further to adjust the height of the sole bolt so as to prevent patients from falling.

Method and device for fall prevention and detection, specifically for the elderly care based on digital image analysis using an intelligent optical sensor. The fall detection is divided into two main steps; finding the person on the floor, and examining the way in which the person ended up on the floor. When the first step indicates that the person is on the floor, data for a time period of a few seconds before and after the indication is analyzed in the second step. If this indicates a fall, a countdown state is initiated in order to reduce the risk of false alarms, before sending an alarm. The fall prevention is also divided into two main steps: identifying a person entering a bed; and identifying the person leaving the bed to end up standing beside it.