85 results about "Equilibrium stability" patented technology

Improvements on mats for practicing yoga are presented. The mats typically provide improved balance, stability, relief of joint and knee pain, and/or improved grip, among other advantages. One particular mat has an upper surface with protrusions, such as knobs, to provide a feeling of acupressure massage to the user. The mat may be continuous and rolled up for storage, or may be divided into sections and folded. A layer of foam may be provided for cushioning, and the foam may optionally be a memory foam. Alternative embodiments include a mat without the protrusions on the upper surface, a mat with cushioning that has an undulating or otherwise irregular surface, and a mat that has no central foam but which is made of a single material.

The invention discloses a piezoelectric dragonfly-imitating micro flapping-wing aircraft. The piezoelectric dragonfly-imitating micro flapping-wing aircraft comprises an aircraft body, wing fixed plates, dragonfly-imitating wings and four twin-lamella piezoelectric actuators; the aircraft body comprises a fixing chamber, the wing fixed plates are fixed in a cavity of the fixing chamber, fixed orifices are arranged on opposite sidewalls of the fixing chamber, the dragonfly-imitating wings pass through the fixed orifices and are fixed on the wing fixed plate; the dragonfly-imitating wings comprise two front wings and two rear wings, one end of the twin-lamella piezoelectric actuator passes through the fixed orifices and is fixed with a wing root of the wing, other parts are suspended, and a cantilever beam structure is formed, and each twin-lamella piezoelectric actuator respectively controls one wing to generate flapping movement or adjusts deflecting direction under voltage excitation. The wings can bear high-frequency alternating stress, can bear different loads of various attitudes such as flapping, gliding and circling, and can obtain excellent balance stability and attitude control diversity; and more wings can obtain larger bearing capability.

An adjustable sacral and spinal support assembly is provided that can be used in a variety of seat types. The support assembly includes both a sacral support section and in some situations, one or more complementary spinal support sections located in other areas of the seats. The sacral support section is adapted to support the sacrum of a seated user. A method is also provided for delivering primary support to a user's sacrum and sacral-pelvic anatomy, and in select situations, secondary support to one or more of the remaining regions of the spine and/or adjacent anatomy. The support assembly is designed to produce proper spinal positioning of seated individuals to reduce fatigue, increase comfort, structural balance, stability, and posture control for a seated user. The system also adjusts and controls the load distribution from the sacral anatomy to the spine and other anatomical structures adjacent a user's sacrum, for example, the pelvis, lumbar, thoracic and cervical regions, and includes both automatic and manual adjustment systems.

A sacral support assembly for use with a seat is provided. The seat includes a seat frame. An adjustable sacral support assembly is connected to the seat frame. The sacral support assembly includes a sacral support member adapted to support the sacrum of a seated user even when an obstruction is located between the user and the sacral support assembly. A method is also provided for delivering primary support to a user's sacrum and sacral-pelvic anatomy and secondary support to the remaining regions of the spine and/or adjacent anatomy to reduce fatigue, increase comfort, structural balance, stability, and posture control for a user, and a system for adjusting and controlling the load distribution from the sacral anatomy to the spine and other anatomical structures adjacent to a user's sacrum, for example, the pelvis, lumbar, thoracic and cervical regions.

A portable, scalably adjustable cargo securement apparatus is provided which includes laterally extensible rail members, longitudinally extensible rail members, and elongated stabilizer arbors having an elongated, tubular configuration generally circular in cross-section which interconnect via a plurality of impingement locking brackets so as to form a generally square-shaped framework for confining cargo within its boundaries. The impingement locking brackets function to allow for selective, lateral and longitudinal slidable engagement by laterally extensible rail members and longitudinally extensible rail members. The cargo securement apparatus is adapted to be utilized in a cargo area of sport utility vehicles. A plurality of feet function to bear against a cargo floor, thereby according balanced stability to the cargo securement apparatus. A threaded adjustment stud is threadedly received within the laterally extensible rail member and the longitudinally extensible rail member in order to facilitate congruous leveling.

The invention discloses a color temperature detection method, which comprises the following steps: dividing an image into a plurality of regions; processing the image to identify a light source of each region; calculating a color temperature evaluation value and a weight of each region according to the light source; and calculating the equivalent color temperature evaluation value of the image according to the color temperature evaluation value and the weight. The invention further discloses a color temperature detection device, a computer readable storage medium and computer equipment. According to the technical scheme of the color temperature detection device, the computer readable storage medium and the computer equipment, the image is divided into regions, and the light source of eachregion is identified. After that, the color temperature evaluation value and the weight of each region are determined according to the light source of the region. Finally, the equivalent color temperature evaluation value of the image is determined according to the color temperature evaluation value and the weight of each region. That means, the execution of the white balance treatment is not separately dependent on the color temperature of a main light source. As a result, the jumping change of the color tone of a preview image caused by the switching of the main light source during the lensshaking process can be avoided. The white balance stability is enhanced, and the user experience is improved.

The invention provides various aircraft carriers, warships, submarines and offshore platforms with efficient load-eliminating swing-stopping capsizing-resisting correction devices. Load-eliminating self-balancing swing-reducing devices, load-eliminating floating air bag cushion devices, externally-suspended weight-adjustable balancer devices, correction plate and wing-type swing-reducing plate devices, devices for accelerating floating and diving of the submarines, self-balancing control devices for accelerating underwater hovering, devices for horizontally pushing whole ship hulls to quickly shift to arrive at or depart harbors, safe quick-decelerating and quick-lagging electric propeller devices and top magnetic-field inertia moving weight balancer devices are provided. The aircraft carriers, the warships, the submarines and the offshore platforms have the advantages that according to the structures, swings, in six degrees of freedom, of ships, the warships, the aircraft carriers and the offshore platforms can be solved comprehensively, sailing ship hulls are timely and safely protected from sudden obstacles, perfect and efficient swing-reducing systems are formed, several major problems in the field of navigation ships are solved, balance stability and safety of aircrafts and spacecraft in the field of the ships, the aircraft carriers, the submarines or aerospace are improved, capability and confidence of human beings in control of offshore or aerial activities are greatly improved, swing reduction is changed into swing stop, and the aircrafts never lose their balance and fall down.

The invention discloses a traction structure for construction of a vertical rotating body of an arch rib and a traction construction method. The traction construction method includes the steps: arranging the bottom of an upright on a structure foundation, and mounting a lifting device at the top of the upright; mounting the arch rib on a first side of the upright, enabling a hinging end of the arch rib to be hinged on the structure foundation, and arranging a traction hanging point on the arch rib; arranging a traction rope between the traction hanging point and the lifting device in a pulled manner; arranging a cable-stayed rope on a second side of the upright in a pulled manner, and enabling a first end of the cable-stayed rope to be fixed at the top of the upright and a second end of the same to be fixed on the structure foundation; starting the lifting device to lift the arch rib to a designed position. The upright is utilized to replace a conventional buckle cable tower to set up a traction system like a steel wire rope and the cable-stayed rope, the lifting device is arranged at the top of the upright, the arch rib and the traction rope are arranged on the first side of the upright, and traction lifting is performed on the arch rib on the first side of the upright, so that the problem that the upright is damaged due to lateral torque caused to the upright in the process of traction is avoided, and balance stability of the upright is improved.

The invention relates to the technical field of bridge engineering construction and discloses a bridge strain monitoring and sensing device and a monitoring method thereof. The bridge strain monitoring and sensing device comprises a bridge body and a bridge strain monitoring and sensing system, wherein a supporting column is fixedly mounted in the middle of the bridge body; the back surface of thesupporting column is movably connected with a supporting plate; locking screws sleeve two sides of the front surface of the supporting column through threads; the other ends of the locking screws penetrate through and extend to the back surface of the supporting column and are sleeved with the outer surface of the supporting plate through threads. According to the bridge strain monitoring and sensing device provided by the invention, the supporting plate is fixed on the back surface of the supporting column through the two locking screws and the supporting plate is convenient to replace; a vibrating wire strain gauge in a sleeve groove is convenient to overhaul; a fixed plate, a supporting rod and a base plate are combined to use and the balance stability of the supporting plate is easy to improve, so that the accuracy of monitored data of the vibrating wire strain gauge is improved and a condition that normal monitoring is influenced, caused by the fact that the vibrating wire straingauge falls off or is damaged by accident, is avoided.

An electric self-balancing unicycle comprises an outer framework and a wheel, wherein a headlamp is arranged on the front side of the outer framework, a tail lamp is arranged on the rear side of the outer framework, a handle is arranged at the top of the outer framework, a splasher located above the wheel is arranged on the outer framework, a left hub support and a right hub support are fixed on the left and right sides inside the outer framework respectively, and a mounting frame located in a hub is arranged between the left hub support and the right hub support; a double-top balancing mechanism, a control circuit board, a rechargeable lithium battery and a power drive mechanism for driving the hub to rotate are arranged on the mounting frame; a left turnover type supporting pedal structure is arranged at the lower part of the left side of the left hub support, and a right turnover type supporting pedal structure is arranged at the lower part of the right side of the right hub support. The electric self-balancing unicycle has the advantages of novel design, simple structure and compact installation; the left and right self-balancing stability is good, support is realized for parking, and higher safety and reliability are realized accordingly; the electric self-balancing unicycle is particularly suitable for being ridden by a beginner.

The invention discloses a flight operation robot. The flight operation robot comprises an unmanned aerial vehicle machine body and a redundancy mechanical arm, wherein the unmanned aerial vehicle machine body comprises a machine body and a plurality of machine arms; the machine body is formed by fixedly assembling a first carbon fibre board, a second carbon fibre board, a third carbon fibre boardand a fourth carbon fibre board through a plurality of metal columns in parallel; a battery bin for placing batteries is detachably mounted below the third carbon fibre board, and the battery bin is positioned between the third carbon fibre board and the fourth carbon fibre board; an optical flow sensor with a housing and an ultrasonic sensor with a housing are detachably mounted below the fourthcarbon fibre board separately; one end of each machine arm is fixedly arranged between the second carbon fibre board and the third carbon fibre board through a connecting fastening part, and the otherend of each machine arm is connected with upper and lower rotors and a motor for driving the upper and lower rotors; the redundancy mechanical arm is mounted below the unmanned aerial vehicle machinebody; and a control device for controlling the flight operation robot is mounted above the first carbon fibre board. The flight operation robot effectively improves firmness and balance stability asa novel design is adopted in mechanical structure.

The invention is a catenary traffic system; it is made up of several catenaries supported on the top of the supporting tower and carrying surface. It can be applied to suspend bridge and catenary track traffic. The carrying surface has several structures; the two rectangular brackets form a stripe carrying truss structure, the lower part of the carrying surface has two kinds of drop-down catenaries through equilateral V balance structure, guarantees the largest balance stability through the upper and the subjacent prestressed force, the cost is low.

The invention relates to a quantitative detection device for the equilibrium stability of a posture of a Parkinson's disease patient. The quantitative detection device comprises wearable wireless human body three-dimensional joint angle acquisition equipment, a signal acquisition processing and communication system arranged in the equipment, an upper data acquisition unit and computer end real-time display and storage software. The system is used for measuring joint motion data of a healthy person or the Parkinson's disease patient; by processing of acquired data, the quantitative detection device can automatically estimate whether a subject suffers from the Parkinson's disease and can also quantitatively classify the equilibrium stability of the posture of the Parkinson's disease patient, so that the level of the Parkinson's disease can be diagnosed favorably, and an accurate data support can be supplied to rehabilitation of the patient; the joint angle acquisition equipment is worn on each main joint of a human body; by completion of an appointed experiment action, estimation of the illness is completed. With the wearable characteristic, the quantitative detection device is higher in environmental suitability and practicability.

An electric bicycle integrating a self-balancing unicycle comprises a frame, wherein a front damping fork is arranged on the front side of the frame, a handlebar is arranged at the upper end of the front damping fork, a front wheel is arranged at the lower part of the front damping fork, and a chargeable battery and a saddle located above the chargeable battery are arranged at the rear part of the frame. The electric bicycle integrating the self-balancing unicycle is characterized in that an upper mounting seat and a lower mounting seat are arranged at the upper part and the lower part of the rear side of the frame respectively; a rear fork is hinged to the lower mounting seat, a connecting seat is arranged on the upper side of the rear part of the rear fork, a damping spring is arranged between the connecting seat and the upper mounting seat, the upper end and the lower end of the damping spring are hinged with the upper mounting seat and the connecting seat respectively, and the left side and the right side of the self-balancing unicycle are arranged between rear ends of the rear fork through detachable fastening structures respectively. The electric bicycle integrating the self-balancing unicycle is novel in design, simple in structure, compact in installation and good in left and right self-balancing stability, and people can ride the electric bicycle conveniently in different places; further, the electric bicycle has a parking support function and higher safe reliability and is particularly suitable for being ridden by a beginner.

The invention provides a large rotating inertia light composite flywheel for a satellite and a preparation method thereof and relates to the technical field of composite materials. The large rotatinginertia light composite flywheel for the satellite is applied to a metal and composite material co-curing and integrally-molded composite material member and is a key technology for realizing preparation of a light large rotating inertia flywheel for the satellite. The large rotating inertia light composite flywheel for the satellite comprises metal rings, carbon fiber composite material skins, carbon fiber composite material reinforcing rings and foam ribs. A forming mold consists of combined female mold and male mold and metal ring limiting tools; a male mold consists of a steel segmented male mold block and a silicon rubber soft mold; a female mold consists of an integral concave mold and a silicon rubber soft mold block. The skins, the reinforcing rings and the ribs of the large rotating inertia light composite flywheel for the satellite adopt continuous fiber prepreg to realize the making of a prefabricated part, and then the metal rings sleeve the external side of the prefabricated part, and the co-curing and molding of the large rotating inertia light composite flywheel for the satellite are realized by using a hot pressing process. The developed large rotating inertia lightcomposite flywheel for the satellite satisfies requirements on the rigidity and the strength of reducing the weight and centrifugal force of a wheel body and also satisfies large rotating inertia equilibrium stability requirements.

The invention discloses a hexagonal rolling mechanism. The hexagonal rolling mechanism consists of a middle transmission assembly A, a left side connecting assembly B and a right side transmission assembly C, wherein the middle transmission assembly A is movably connected with the left side connecting assembly B and the right side transmission assembly C through counter weight shafts. The B1 end of the left side connecting assembly B is connected to the A1 end of the middle transmission assembly A, and the B2 end of the left side connecting assembly B is connected to the A2 end of the middle transmission assembly A. The C1 end of the right side transmission assembly C is connected to the A1 end of the middle transmission assembly A, and the C2 end of the right side transmission assembly C is connected to the A2 end of the middle transmission assembly A. The hexagonal rolling mechanism is provided with a motor (8) for unidirection to perform driving control, changes mechanism shape through motor rotation, accordingly changes the centre-of-gravity position, performs rolling movement under the inertia force effect and has strong balance stability.

The invention relates to a high-speed ship on the basis of double inclinable screw propellers, and belongs to the technical field of ship propulsion. The double inclinable screw propellers are symmetrically distributed on the middle upper portion of the high-speed ship and can be reasonably inclined at certain angles, so that propulsion force has upward component force and component force in an advancing direction. The upward component force overcomes a part of the gravity of the high-speed ship, the immersion depth of the ship is reduced, and the resistance on the ship is decreased; and the component force in the advancing direction pushes the ship to advance. A tail fin screw propeller is arranged at the tail of the ship, the inclination position of the tail fin screw propeller can be changed, and the tail fin screw propeller can be matched with the front double screw propellers in an equilibrium manner, so that the ship can run stably. The high-speed ship overcomes shortcomings of poor stability of equilibrium of a common high-speed ship and poor mobility of the common high-speed ship, and has the advantages of capability of running at a high speed, excellent mobility and stability of equilibrium, and the like. Besides, the high-speed ship is low in cost and has popularization value.

The invention discloses an energy balance system and method for power batteries. The system comprises a battery pack and a BMU slave panel. The BMU slave panel comprises a voltage acquisition module and a controller. Two or more gating modules are arranged on the BMU slave panel. Each gating module comprises a decoder circuit and a MOS pipe electronic switch circuit. The MOS pipe electronic switch circuits are electrically connected with the battery pack. Four or more DC/DC power source modules are further arranged on the BMU slave panel. Each gating module is electrically connected with the two or more DC/DC power source modules. The voltage acquisition module is used for acquiring voltages of single batteries in the battery pack. The controller is used for sending address signals to the decoder circuit when one of the voltages meets a charging condition. The MOS pipe electronic switch circuits are used for gating the single batteries meeting the charging condition. The scheme has the effects of being high in equilibrium stability, free from electromagnetic interference, little in energy loss, high in charging efficiency, fast in processing speed and high in precision.

The invention discloses a square bar ball universal shaft coupler. The square bar ball universal shaft coupler is equipped with a universal joint which consists of main parts such as a ball head catcher, a square head catcher, a split type ball base, a ball head square bar and a central positioning assembly, wherein the split type ball base and the ball head square bar define a force transmissionhinge pair; the ball head square bar and a square hole of the square head catcher define a force transmission planar pair; the positions, on opposite two side surfaces, of the square bar of the ball head square bar are provided with bulged circular arcs for meeting universal requirements of the joint; the split type ball base meets compactness, rationality and manufacturing feasibility of the structure; and the central positioning assembly meets, stability, in an operation process, of the joint. The square bar ball universal shaft coupler has the characteristics of being compact and reasonablein structure, great in bearing ability, good in manufacturing maintenance, good in balance stability and the like, is suitable for heavy load, and is also suitable for high-speed light load.

The invention discloses a multi-rotor type aircraft. The multi-rotor type aircraft comprises a vertically-mounted power rotor and a plurality of horizontally mounted posture rotors. The power rotor can be driven by an engine or a motor; and the posture rotor is driven by the motor. The invention is advantaged in that the single-power rotor aircraft realizes good air self-balancing stability and can realize long duration of flight due to using the engine as power; the control principle of the multi-rotor type aircraft is simple, parts of the multi-rotor type aircraft are less, the purchasing cost of the multi-rotor type aircraft is low, the using cost of the multi-rotor type aircraft is low, and the control flight posture controlling flexibility of the motor is kept.

The invention relates to a balancing and stabilizing mechanism on the head of a robot, comprising a rack and a robot head connecting rod. The balancing and stabilizing mechanism is characterized by further comprising a rotating shaft connected with the robot head connecting rod. One end of the rotating shaft is connected with a steering engine through a steering engine coupling disc, and the other end is connected with a damper through a damping coupling shaft. A bearing is further arranged at the rotating shaft between the robot head connecting rod and a damping connecting shaft, and the steering engine, the bearing and the damper are arranged on the rack. The balancing and stabilizing mechanism can realize rotation of the robot head through a driving device, effectively prevent shaking during the rotation of the robot head due to eccentricity and improve the balance stability of the robot head during rotation.

A power-assisted walking device with auxiliary lower limbs is composed of back support, active lower limbs, auxiliary lower limbs, driving motor, power supply system, sensing system and control system. The back bracket, active lower limb and auxiliary lower limb all have the function of length adjustment, so as to meet the requirements of body width, height and leg length of different users. Whenworking, under the action and control of driving motor (4), power supply system (5), sensing system (6) and control system (7), the active lower limb (2) and auxiliary lower limb (3) can advance in turn according to a certain logical order to ensure the balance and stability of the user when walking.