40 results about "Whole body vibration" patented technology

This invention relates to a whole body vibrator platform which is attachable to a treadmill. The treadmill belt provides the power to move the platform, translating the horizontal, linear, belt movement into vertical oscillations through one or more eccentrically mounted rollers which support the platform. A person standing on the vibrator platform experiences a vertical vibration at frequencies established by the linear velocity of the treadmill belt.

An electrically-powered linear motor for a whole body vibration (WBV) machine is disclosed for producing and imparting vibrations to a platform for supporting a user. The linear motor comprises one or more pairs of generally aligned coils for producing electromagnetic responses in one or more magnets, each disposed generally intermediate a pair of coils. Current is intermittently passed through the coils to produce vibrations within a desirable frequency range in the platform.

A device for imparting vibration to a body is disclosed, such as may be used for whole body vibration treatment. In one embodiment, a pair of linear motors are disposed on a base. Each linear motor has a stator portion secured to the base and a moveable portion that linearly reciprocates with respect to the stator in response to a supplied current. A current source is electrically coupled to the linear motors for supplying alternating current to the linear motors. A controller is in communication with the current source for controlling movement of the linear motors at a selected phase relationship between the linear motors. A platform is coupled to the moveable portions of both linear motors using rigid rubber supports. The platform moves with respect to the base in response to movement of the linear motors. In a level mode, the dual linear motors are operated in phase, such that the platform remains level. In a tilt mode, the linear motors operate out of phase, imparting a vibrating tilt to the platform. A moveable mount, such as a rubber mount, couples the platform to the moveable portions of each linear motor to accommodate the tilt.

The invention discloses a multi-harmonic multi-input multi-output feedforward self-adaptive controlling method for helicopter body vibration and belongs to the field of active controlling of helicopter vibration. Aiming at the characteristic of helicopter body vibration under stimulation of the rotor vibration load with multi-stage harmonic frequency and multiple directions and based on the minimum mean square error method and harmonic coefficient identification, the multi-input multi-output feedforward self-adaptive controlling method of helicopter body vibration under the multi-harmonic and multi-load simulation is put forward, so that the purpose of reducing helicopter body vibration is achieved, and when the vibration phase, vibration amplitude and vibration frequency are changed, the good self-adaptive controlling performance is achieved.

The invention discloses a piezoelectric actuator hysteresis neural network compensation method for helicopter body vibration active control, and belongs to the field of helicopter vibration control. Aiming at the problems that the helicopter body vibration has the vibration characteristic of multi-order harmonic response, and the control effect becomes poor due to higher harmonic response caused by hysteresis nonlinearity of a piezoelectric actuator in the active control process of helicopter body vibration driven by the piezoelectric actuator, based on a neural network and a nonlinear autoregressive exogenous (NARX) input model, a piezoelectric actuator hysteresis nonlinear neural network and a nonlinear compensation neural network under the driving of two-order harmonic signals are provided, and the nonlinear compensation neural network is used in a helicopter body vibration active control system driven by a piezoelectric actuator. The piezoelectric actuator hysteresis neural networkcompensation method provided by the invention can obviously improve the control effect of the helicopter body vibration active control system.

A whole body vibration apparatus 100 with the motion inducing device 110 positioned other than under the vibrating platform 194 so that the vibrating platform 194 may be located close to the ground. Dual rocker shafts 178 journalled to reciprocate in a rotationally reciprocating motion, convert the linear motion of the rear-positioned motion inducing device 110 to vertical motion of the vibrating platform 194. A coupling mechanism constituted by a linkage 172, 174, 178 connects the motion inducing device 110 to the vibrating platform 194. The linkage employs deformable couplings 172, 174 and frictionless bearings to reduce unwanted rattle and wear and to remove the need for maintenance. A compensating device 140 adjusts for the weight of the user so that the motion inducing device 110 has all its useful output employed to vibrate the platform 194 as opposed to supporting the user's weight. In addition to altering frequency and amplitude, a method for user selection of different waveforms is provided to achieve a variety of treatment benefits.

The invention relates to a flat-lying-type vibrating bed. The flat-lying-type vibrating bed comprises a bed body, vibrators and a control unit. An audio file containing music data and low-frequency vibration data is sent to the control unit, and the low-frequency vibration data, generated by using the music data, are synchronized with the music data within a 2 HZ to 60 HZ range; the music data and the low-frequency vibration data are separately output by the control unit, wherein the music data are played; the low-frequency vibration data are used as a signal source for driving the vibrators to vibrate, and music is felt synchronously through the body vibration of a user; the play time length of the audio file is set to T; within the time T, the time occupied by data, with a frequency ranging from 2 HZ to 2.9 HZ, of the low-frequency vibration data is no lesser than 30 percents of T. According to the flat-lying-type vibrating bed, the frequency of vibration is controlled within a vibration range between 2 HZ to 60 HZ, particularly, the vibration range between 2 HZ to 2.9 HZ is the best vibration frequency range for the body, and the high-frequency music is converted into the low-frequency data to drive the vibrators, so that the body can feel the changes in the temperament synchronously.

A whole body vibration training apparatus able to linearly change its vibration amplitude is composed of a base, a swinging connection-rod group consisting of several swinging connection and arranged on base, a supporting frame on said swinging connection-rod group, a drive mechanism with a motor for driving said swinging connection-rod group and in turn said supporting frame to vibrate at various frequencies, and a vibration amplitude regulator between swinging connection-rod group and base.

The invention relates to a method for utilizing vehicle kinetic energy for power generation, and belongs to the field of vehicles. A vehicle body vibration restraining method of electric vehicle resonance power generation based on an effort wasting lever adopts a reverse effort-wasting lever manner, the power end of a reverse effort-wasting lever is fixedly connected with a secondary sprung vehicle body to bear vibration force of the secondary sprung vehicle body, the resistance end of the reverse effort-wasting lever drives a straight rack, the supporting point of the reverse effort-wasting lever is arranged on an axle, and the power end and the resistance end of the reverse effort-wasting lever are arranged on the two sides of the supporting point; the resistance end of the reverse effort-wasting lever drives the straight rack to vertically move along a sliding rail vertically fixed to a vibration guide frame, and in the rebound stroke of the secondary sprung vehicle body, torque resistance of electric generation of an electric generator is overcome; and correspondingly, the torque resistance of electric generation of the electric generator is amplified through the reverse effort-wasting lever to be conducted to the secondary sprung vehicle body to serve as vibration restraining resistance to achieve vibration restraining of a vehicle body, and a vibration reduction plate spring or vibration reducer is replaced.

The invention relates to the technical field of pneumatic control, in particular to a pneumatic closing and locking alarm device of an air door. The pneumatic closing and locking alarm device comprises a closing and locking part and a bell ringing part; the closing and locking part comprises a contact arm and a controlling valve core; the bell ringing part comprises a vibrating valve core, a vibrating rod and a ringing bell; the closing and locking part is connected with the bell ringing part, one end of the controlling valve core is connected with the contact arm, one end of the vibrating valve core is connected with the vibrating rod, and the other end of the vibrating rod is connected with the ringing bell; and the closing and locking part and the bell ringing part are fixed at a door frame of the air door. The pneumatic closing and locking alarm device has the advantages that the pneumatic closing and locking alarm device of the air door has the air door closing and locking function and the pneumatic bell-ringing alarming function, opening by manpower is completely not required, and electric power is not required for the whole device; and anti-explosion requirements of an underground coal mine can be met, and the pneumatic closing and locking alarm device is especially suitable for using in the high gaseous mine places and inflammable and explosive places.

The invention discloses an individualized whole body vibration treatment platform and a control method. A pressure sensor is arranged on the platform and can monitor the plantar pressure distribution situation in real time when people sit for treatment. Plantar pressure is analyzed in a central processing unit. The standard pressure center and the actual pressure center are obtained according to the pressure distribution situation, and the position difference of the standard pressure center and the actual pressure sensor is converted into the balance accelerated speed. Meanwhile, by measuring plantar pressure and recording the deviation situation of the plantar pressure center, the preset accelerated speed is regulated according to the swing situation. During treatment, the preset accelerated speed and the balance accelerated speed are summated to obtain the correction accelerated speed which is the correction target accelerated speed. The correction accelerated speed is compared with the real-time accelerated speed of the platform during vibration treatment, the vibration strength is automatically regulated through the closed-loop control strategy so that the system can be stable as soon as possible. Self-adaption is conducted through the mode of regulating the correction accelerated speed, the vibration strength is regulated, and the optimal effect is achieved for stress stimulation conduction.

The disclosed upper body attachment, which may be used with a piece of exercising, stretching, or massaging equipment that incorporates whole body vibration (WBV) technology, provides a user with a way to apply WBV technology to the upper body. The attachment may include a pair of uprights and a crossbar to which a variety of types of handles may be slidably attached. The attachment may have a base that both supports the uprights and connects the uprights with the equipment incorporating the WBV technology. Accordingly, the attachment transfers vibrations from the vibrating equipment to the handles that a user grips. Several exemplary WBV upper body exercises that the attachment facilitates include push-ups, pull-ups, and dips.

An object of the present invention is to execute an optimum control of vibrations due to a driver's operation of an accelerator pedal, steering wheel and brake pedal. The operation instructions are inputted into a vibration calculating means (kinetic model) comprising a vehicle body model, suspension model and tire model. Conventional kinetic model controlled the suspension in order to suppress the vehicle body vibration. However, in the kinetic model of the present invention, the tire vibration due to a change in the engine output is first absorbed by the suspension, whereby a residual vibration which was not be absorbed yet by the suspension is transferred to the vehicle body. The operation inputs are compensated by the three feed-back loops between the outputs of the above-mentioned three portions and input of the tire portion, giving the highest priority on the vehicle body model.

The invention discloses a whole body vibration testing system of a tractor driver. The testing system comprises a cushion sensor, a data acquisition module, a wireless communication module and a hostcomputer. The cushion sensor is disposed on a seat cushion of a tractor driver and is used for collecting a whole body vibration signal of the driver, transforming the vibration signal into a voltagesignal, and sending the voltage signal to the data acquisition module. The data acquisition module sends the voltage signal to the host computer by the wireless communication module. Therefore, the data transmission mode is changed to be a wireless transmission mode and thus the data measured by the sensor are sent to the host computer by means of wireless transmission, so that repeated connectionand disconnection are avoided and thus the test efficiency is high. Moreover, the testing staff member does not need to follow the tested vehicle, so that the test cost is lowered. The testing staffmember can carry out process monitoring and data post-processing conveniently.

The invention discloses a rack of a multi-rotor-ring unmanned aerial vehicle. The rack comprises a center piece, a plurality of arm sets and a plurality of pairs of motor seats. The center piece comprises a polygonal disc and a plurality of pipe clamps integrally formed with the polygonal disc. The polygonal disc comprises an internally-hollow cavity. Each arm set comprises at least two first arms and a second arm connected to one ends of the at least two first arms, the first arms and the second arms are each of a pipe-shaped structure, and the other ends of the at least two first arms in each arm set are inserted into the corresponding pipe clamps. Each pair of motor seats is fixed to the two ends of the corresponding second arm correspondingly, and the motor seats are used for fixing a motor of the multi-rotor-ring unmanned aerial vehicle. According to the rack, the layout form of combining the center piece and the multiple arm sets is adopted, the structural size of the arms is reasonably set, the rack has the remarkable weight reduction effect while meeting the whole body vibration mode, and the rack is easy to demount, mount and maintain, high in reliability and suitable for batched production.

The invention belongs to the technical field of whole-body vibration protection, and provides an anti-vibration pad for whole-body vibration. The anti-vibration pad comprises a wear-resisting layer (1), an anti-vibration layer (2) and an anti-slip layer (3), wherein the wear-resisting layer (1) is located at the top layer, the anti-vibration layer (2) is located at the middle layer, and the anti-slip layer (3) is located at the bottom layer; and an anti-slip grain surface (4) is arranged on the wear-resisting layer (1), and the anti-vibration layer (2) is made of foaming polystyrene. The anti-vibration pad has the beneficial effects that whole-body vibration level, especially low-frequency whole-body vibration level, of a working site of a power station can be reduced obviously; splicing and removing and installing of the anti-vibration pad are convenient, and use of working sites with different areas can be met; needs of the power station for site installation and daily maintenance can be met, and good removing and installing convenience is achieved; and a good anti-slip effect can be provided for site operating persons.

The invention discloses a tilting-type dual-motor human vibration generation device. A pair of linear motors are installed on a base. Each linear motor has a stator locked at the base and a moveable set, and the linear motors linearly move the moveable set driven by a current source. The current source is electrically coupled to the linear motors for supplying alternating current to the linear motors. A controller is in communication with the current source for controlling information at a selected phase relationship between the linear motors. A platform is installed at the base and moves by driving the moveable set connected with the linear motors using an elastic support compound. In a tilting mode of the platform movement mode, the tilting of the platform in the phase operation is caused by the linear motors. An elastic support form between the moveable set and the platform, such as a plastic compound connected with the platform and the moveable set of the linear motors, accommodates the tilting of the platform by the elastic ability of the plastic compound.

A whole body vibration apparatus 100 has a motion inducing device 110 positioned other than under the vibrating platform 194 so that a vibrating platform 194 may be located close to the ground. Dual rocker shafts 178 journalled to reciprocate in a rotationally reciprocating motion, convert the linear motion of the rear-positioned motion inducing device 110 to vertical motion of the vibrating platform 194. A coupling mechanism constituted by a linkage 172, 174, 178 connects the motion inducing device 110 to the vibrating platform 194. The linkage employs deformable couplings 172, 174 and frictionless bearings to reduce unwanted rattle and wear and to remove the need for maintenance. A compensating device 140 adjusts for the weight of the user so that the motion inducing device 110 has all its useful output employed to vibrate the platform 194 as opposed to supporting the user's weight. In addition to altering frequency and amplitude, a method for user selection of different waveforms is provided to achieve a variety of treatment benefits.

The invention relates to a whole-body vibration training device capable of linearly changing the vibration amplitude. Its composition at least includes a base, a swing connecting rod group and a driving mechanism. The swing connecting rod group is assembled on the base, and it is provided with a Driving mechanism, and the driving mechanism can drive the connecting rod formed by several swinging connecting rods to move, through the drive of the motor, an eccentric transmission shaft drives the swinging connecting rod group to generate linear vibration during the swinging process, and cooperates with the speed of the motor so that The upper support frame produces up and down displacements of various frequency vibrations; in addition, an adjustment device can be installed between the swing link group and the base, which can change the fulcrum position of a swing link group, thereby changing the swing range of the swing link group According to this, the swing link group can be driven by the driving mechanism and its vibration amplitude can be changed linearly to achieve the effect of whole body vibration, and produce many functions such as stimulating organs, improving muscle strength, and promoting blood circulation. The whole is innovative and practical sex.

The invention discloses a whole-body vibration multi-angle auxiliary vertical bed. The bed comprises a base, an electric hydraulic cylinder, a bed board and a vibration pedal body, the bed board is located at the upper end of the base, a fixing frame and a bearing plate are installed at the two ends of the top of the base through fixing grooves correspondingly, a fixing block is connected to the top end of the fixing frame, a first fixing shaft is connected to one end of the fixing block through a rotating hole, one side of the first fixing shaft is connected to one end of the bottom of the bed board through a connecting rod, a fixed vertical plate is welded between the fixing frame and the bearing plate, and the electric hydraulic cylinder is mounted on one side of the fixing vertical plate through a mounting plate and bolts. The bed has a vibration function, is better in muscle stimulation effect and good in recovery effect, can conveniently assemble and disassemble a chest limitingplate, can also be conveniently used for arranging wires of various physical sign monitoring devices, can be conveniently held at the top by hands of people, is convenient for people to do stretchingexercises, and is suitable for wide popularization and application.

The invention discloses a modular vital sign monitoring intelligent wheelchair, which relates to the technical field of intelligent wheelchairs. The intelligent wheelchair solves the technical defectsthat an existing intelligent wheelchair is inconvenient to use, poor in user experience and the like, and the intelligent wheelchair comprises a wheelchair body, a wheelchair node host is arranged inthe wheelchair body, and the wheelchair node host is wirelessly connected with a remote data cloud platform; the wheelchair node host is further connected with an optical fiber sensor which is used for detecting body vibration caused by heartbeat or breath and the like of the body of a user so as to provide heart rate or respiration rate monitoring signals for the wheelchair node host in real time, and the optical fiber sensor is arranged in a chair back or / and a cushion of the wheelchair body. The constraint of cable tensioning is eliminated, after a user sits on the wheelchair body, heartbeat or breath can be automatically measured in real time under the condition that the user does not know the situation, and due to the fact that the user does not feel the measurement which is carriedout at all, the psychological pressure of the user during measurement can be eliminated, discomfort caused by traditional measurement is avoided, and an accurate result is obtained.

The present invention discloses a motor control circuit for intelligently sensing human body vibration. The motor control circuit for intelligently sensing human body vibration comprises an MCU module, a battery power supply module, a vibration collection module, a motor detection module and a sound wave collection module. The battery power supply module is configured to provide stable power supply for the MCU module; the vibration collection module and the sound wave collection module are configured to respectively collect the human body vibration signal and the ambient sound signal; the motor detection module is configured to detect the running state of the motor; and the MCU module is configured to receive signals of the vibration collection module, the motor detection module and the sound wave collection module, and can intelligently adjust the motor speed according to the human body vibration and the ambient sound.

An upper body attachment, which may be used with a piece of exercising, stretching, or massaging equipment that incorporates whole body vibration (WBV) technology, provides a user with a way to apply WBV technology to the upper body. The attachment may include a pair of uprights and a crossbar to which a variety of types of handles may be slidably attached. The attachment may have a base that both supports the uprights and connects the uprights with the equipment incorporating the WBV technology. Accordingly, the attachment transfers vibrations from the vibrating equipment to the handles that a user grips. Several exemplary WBV upper body exercises that the attachment facilitates include push-ups, pull-ups, and dips.

The invention discloses an integrated active and passive whole-satellite vibration isolation device, belonging to the technical field of aerospace. A scheme 1 is characterized in that a plurality of actuator support spring leaves are all detachably connected with the lower end surface of a satellite; the plurality of actuator support spring leaves are all detachably connected with the upper end surface of an adapter; a plurality of actuators are all arranged in the adapter in a mode of being perpendicular to the bottom surface of the adapter; the upper end of each actuator is detachably connected with an extended end of one corresponding actuator support spring leaf; the lower end of each actuator is connected with one corresponding actuator support bracket; and a plurality of actuator support brackets are all arranged in the adapter and detachably connected with the adapter. A scheme 2 is different from the scheme 1 in that a plurality of satellite support spring leaves are additionally arranged, the plurality of satellite support spring leaves and the plurality of actuator support spring leaves are all arranged on the same circumference alternately and sequentially, and the plurality of satellite support spring leaves are all detachably connected with the lower end surface of the satellite. The integrated active and passive whole-satellite vibration isolation device can meet the requirement of carrying out vibration isolation design under the condition that a satellite-rocket interface is not changed.

The invention discloses a rack of a multi-rotor-ring unmanned aerial vehicle. The rack comprises a center piece, a plurality of arm sets and a plurality of pairs of motor seats. The center piece comprises a polygonal disc and a plurality of pipe clamps integrally formed with the polygonal disc. The polygonal disc comprises an internally-hollow cavity. Each arm set comprises at least two first arms and a second arm connected to one ends of the at least two first arms, the first arms and the second arms are each of a pipe-shaped structure, and the other ends of the at least two first arms in each arm set are inserted into the corresponding pipe clamps. Each pair of motor seats is fixed to the two ends of the corresponding second arm correspondingly, and the motor seats are used for fixing a motor of the multi-rotor-ring unmanned aerial vehicle. According to the rack, the layout form of combining the center piece and the multiple arm sets is adopted, the structural size of the arms is reasonably set, the rack has the remarkable weight reduction effect while meeting the whole body vibration mode, and the rack is easy to demount, mount and maintain, high in reliability and suitable for batched production.

The invention discloses a damping insole applicable to low-frequency whole-body vibration of a hydropower station and belongs to the technical field of whole-body vibration protection of the hydropower station. The damping insole is formed by a contact layer, a damping layer and an air cushion, the contact layer is divided into a sole area, an arch area and a forefoot area, and the edge shape of the contact layer curls inward from the edge to adapt to a shoe in shape; the damping layer is located under the contact layer and is connected with the arch area and the forefoot area of the contact layer in an adhesion manner, the edge shape of the damping layer is identical to that of the contact layer, vent holes are further formed in the position of the arch area of the damping layer, and an anti-skip structure is arranged on the forefoot area of the damping layer; the air cushion is located under the contact layer and is connected with the sole area of the contact layer in an adhesion manner. Health of an operator is protected through an individual protection mode, and problems that extensive layer of a damping pad easily leads to inconvenience in ground cleaning and an disadvantage in carrying out of maintenance work are solved.