130results about How to "Precise movement position" patented technology

The invention relates to a locust-simulating flying and jumping robot based on a metamorphic mechanism. The robot is mainly composed of a locust-simulating structure part and a mechanical transmission system part located in the locust-simulating structure part; the mechanical transmission system part comprises a bouncing system and a flapping-wing system; and the bouncing system comprises an extension spring energy storage module, a pulley reversing module, a cam adjusting meshing module, a first-level decelerating module and a leg second-level incomplete gear decelerating module. The invention further discloses a flying control method of the locust-simulating flying and jumping robot. The locust-simulating flying and jumping robot based on the metamorphic mechanism is low in energy consumption, and more stable by adoption of gear transmission, the posture stability of the robot during moving can be improved, and practicability and bio-imitability are higher; two motion modes of flying and jumping of the robot are coupled through the mechanical transmission system part and supplement each other, impact force of the robot in the landing stage is reduced, continuous jumping is achieved, and the motion position is more accurate.

The invention discloses a six-degree-of-freedom platform structure and control mode based on digital hydraulic cylinders. The six-degree-of-freedom platform includes an upper platform body, a base, adrive mechanism and an electro-hydraulic control system, wherein the drive mechanism is connected with the upper platform body and a lower platform body; the electro-hydraulic control system controlsthe drive mechanism to act; the drive mechanism comprises six evenly arranged digital hydraulic cylinders; the upper platform body is composed of one circular outer mask plate, and groove steels of the upper platform body and the lower platform body are distributed in a triangular shape to enable the structure to be more compact and firm; two connected digital hydraulic cylinders are connected with the upper platform body through a composite ball hinge, and two digital hydraulic cylinders are independently connected to a bottom seat of the lower platform body through hooker hinge seats; and the electro-hydraulic control system gives a controller an instruction through a main control computer to control the extended length of the six cylinders through position reverse junction and obtain actual attitude information through position positive solution, and by comparing with specified information, attitude servo control can be achieved and control precision of the platform is ensured.

A detection apparatus includes a first sensor for detecting rotation information of a wheel of a moving object; a second sensor for detecting angular velocity information of a rotation in a yaw axis of the wheel or angular information as yaw rotation information; and a storage unit for storing the rotation information and the yaw rotation information to be output to a processing unit for obtaining positional information of the moving object based on the rotation information and the yaw rotation information.

The invention relates to an intelligent foot tub having comprehensive massage functions. The foot tub comprises a water storage barrel, massage devices, a heater, a water drainage device, universal wheels, a barrel cover, a hinge and adjusting switches, wherein the massage devices are located inside the water storage barrel; the heater is mounted at the lower end of the water storage barrel and is an electric heater; the water drainage device is mounted on the outer side wall of the back end of the water storage barrel; the universal wheels are uniformly and symmetrically mounted on the lower end surface of the water storage barrel; the barrel cover is located right above the front end of the water storage barrel and is connected with a semi-oval cover plate of the water storage barrel through the hinge; a handle is arranged on the barrel cover; the adjusting switches are mounted on the upper end surface of the semi-oval cover plate of the water storage barrel. The foot tub can massage soles and toes of human feet synchronously during foot bathing, the massage comprehensiveness is high, and the limitation that common foot massage devices can only massage a certain part of a foot is broken through; meanwhile, the heating water temperature, time and frequency are adjustable, simple and convenient drainage is realized, and the foot tub is more applicable to life at home.

A supplementary metrology position coordinates determination system is provided for use with an articulated robot. A first accuracy level defined as a robot accuracy (e.g., for controlling and sensing an end tool position of an end tool that is coupled to a robot arm portion that moves in an XY plane), is based on using position sensors (e.g., rotary encoders) included in the robot. The supplementary system includes an imaging configuration, XY scale, image triggering portion and processing portion. One of the XY scale or imaging configuration is coupled to the robot arm portion and the other is coupled to a stationary element (e.g., a frame located above the robot). The imaging configuration acquires an image of the XY scale, which is utilized to determine a relative position that is indicative of the end tool position, with an accuracy level that is better than the robot accuracy.

The invention discloses a hemispherical opening-closing lens shielding device based on a gear structure. The hemispherical opening-closing lens shielding device comprises a clack set, a gear set and a motor, wherein the clack set comprises at least two clacks, which are pivotally connected on the same rotating axis, each clack is provided with a corresponding closing position and a corresponding opening position, a hemispherical surface is formed and covers a convex lens when each clack is at the corresponding closing position, and the clack is outside the visual angle of the convex lens when each clack is at the corresponding opening position; the gear set is used for driving each clack of the clack set to rotate between the corresponding closing position and the corresponding opening position, so as to enable the clacks to simultaneously reach the corresponding closing positions or the corresponding opening positions; and the motor is used for providing power for the gear set. Since the clacks are driven by the gear set to rotate at different speed in different directions and only one motor is used for realizing the driving and accurate position of the clacks, the hemispherical opening-closing lens shielding device based on the gear structure has the advantages of simple structure, accurate moving position, stable and reliable parts and small manufacturing difficulty.

The invention relates to a ball guide bushing and guide column with sliding ways. The ball guide bushing and guide column comprises a guide bushing body, a ball holder arranged in the guide bushing body in a sleeved mode and a guide column body arranged in the ball holder in a sleeved mode. A plurality of longitudinal lines of holding holes are formed in the ball holder, balls are embedded in the holding holes, a plurality of concave inner sliding ways identical with the guide bushing body in the axial direction are arranged on the inner wall of the guide bushing body, a plurality of concave outer sliding ways identical with the guide column body in the axial direction are arranged on the outer wall of the guide column body, the number of the inner sliding ways and the number of the outer sliding ways are equal to the number of the longitudinal lines of the holding holes, and the balls are clamped in the inner sliding ways and the outer sliding ways at the same time. The axial arc-shaped sliding ways are formed on the inner wall of the guide bushing body and the outer wall of the guide column body, the balls are clamped by the holding holes and can be clamped by the sliding ways on the guide bushing body and the guide column body in a matched mode, the balls can only axially roll along the guide column body and the guide bushing body, relative rotation among the guide column body, the ball holder and the guide bushing body is avoided, the relative shake between the guide column body and the guide bushing body is smaller, the motion position is more accurate, and then machining accuracy is improved.

The invention relates to a booster bicycle provided with a sensor with a plurality of unevenly distributed magnetic blocks on a chain disc, and in particular relates to an electric booster bicycle used for providing booster signals for a plurality of point positions in a way of magnetic induction. The sensor comprises a sensing element, a booster model processor, a digital/ analog (D/ A) converter and an operational amplifier which are sequentially connected, wherein the chain disc taken as the sensing element is fixedly provided with the plurality of permanent magnet blocks, and every two adjacent permanent magnet blocks have the opposite magnetic polarities; the distances among the permanent magnet blocks are different from one another; a Hall of the sensing element is arranged on a frame close to the permanent magnet blocks; and the operational amplifier is connected with a motor controller. The booster bicycle has the advantages that square-wave signals can be obtained by the Hall, the sensor can conveniently use an artificial set booster model through digital processing output, the boosting is reasonable in the starting point, the finishing point and the force, human can cooperate with a machine, and the electricity is saved.

The invention discloses a sensor with a plurality of magnet blocks adjustable in position and magnetic flux in a shell, belonging to the technology of providing a control signal via multi-point-position magnetic induction. The sensor comprises a sensing component, a power-assisted model processor, a digital-analogue converter and an operational amplifier which are sequentially connected, wherein the sensing component comprises permanent magnet blocks and a Hall sensor in inner hollows embedded in a rotating disc and a fixed disc, a plurality of the annularly-distributed permanent magnet blocks are fixedly arranged on the rotating disc, the distances among the permanent magnet blocks and the magnetic fluxes of the permanent magnet blocks at different positions are adjustable, and the magnetic polarities of the adjacent permanent magnet blocks are opposite, that is, the magnetic polarities are distributed by alternately arranging N-poles and S-poles; and the Hall sensor on the fixed disc is arranged at a position close to the permanent magnet blocks. The sensor has the following advantages that: the Hall sensor can obtain a rectangular wave signal via the NS distribution of the magnetic poles, and the rectangular wave signal can participate in digital processing for setting the power-assisted model; and the rectangular wave signal can show the positions of the permanent magnet blocks on the rotating disc and determine the purposes of different rectangular waves by virtue of the difference of the distances and the difference of the magnetic fluxes, and the relative positions of the permanent magnet blocks and the Hall sensor are fixed, so that signal output is reliable.

The invention relates to a booster bicycle provided with a sensor provided with a plurality of magnetic blocks with unevenly distributed magnetic fluxes in a shell, and in particular relates to an electric booster bicycle used for providing booster signals for a plurality of point positions in a way of magnetic induction. The sensor comprises a sensing element, a booster model processor, a digital/ analog (D/ A) converter and an operational amplifier which are sequentially connected, wherein the sensing element comprises the permanent magnet blocks and a Hall which are respectively arranged in a space where a rotary table and a fixed table are embedded; the rotary table is provided with the plurality of permanent magnet blocks, and every two adjacent permanent magnet blocks have the opposite magnetic polarities and different magnetic fluxes; the Hall arranged on the fixed table is arranged at the position close to the permanent magnet blocks; the sensor is sheathed outside a centre shaft of the bicycle; and the operational amplifier is connected with a motor controller. The booster bicycle has the advantages that the relative positions between the permanent magnet blocks and the Hall are fixed, square-wave signals can be obtained by the Hall, the sensor can conveniently use an artificial set booster model through digital processing output, the boosting is reasonable in the starting point, the finishing point and the force, human can cooperate with a machine in a best way, and the electricity is saved.

An end tool metrology position coordinates determination system is provided for use with a robot. A first accuracy level defined as a robot accuracy (e.g., for controlling and sensing an end tool position of an end tool that is mounted proximate to a distal end of a movable arm configuration of the robot) is based on using position sensors (e.g., encoders) included in the robot. The system includes the end tool, an imaging configuration, XY scale, image triggering portion and processing portion. One of the XY scale or imaging configuration is coupled to the end tool and the other is coupled to a stationary element (e.g., a frame located above the robot). The imaging configuration acquires an image of the XY scale, which is utilized to determine a relative position that is indicative of the end tool position, with an accuracy level that is better than the robot accuracy.

The invention discloses a swing arm type feeding lifting mechanism, and relates to a feeding mechanism used in the field of machining. The swing arm type feeding lifting mechanism comprises a movable rack, a swing arm and a feeding tooling, wherein the movable rack is connected to an X-axis moving guide rail in a slidable manner; the swing arm is connected to the lower side of the movable rack in a swingable manner by a connecting shaft; the feeding tooling is connected to the front end of the swing arm; a cylinder for driving the swing arm to swing up and down is arranged at the rear end of the movable rack; the inside of the rear end of the movable rack is connected with a limiting mechanism for limiting the swing arm to excessively swing. The swing arm type feeding lifting mechanism disclosed by the invention is driven to move in a Z-axis direction by the cylinder, and is simple in integral structure, light in equipment weight and low in manufacturing cost.

The invention discloses an assisted bicycle using a sensor with non-uniform distribution of multiple magnetic blocks in a housing, and belongs to an electric assisted bicycle capable of providing assisting signals by multi-point magnetic induction. The sensor comprises a sensing element, an assisting model processor, a digital-analog converter and an operational amplifier, which are sequentially connected, wherein the sensing element comprises a rotating disk and a fixed disk, permanent magnets and Halls are arranged in internal space, a plurality of the permanent magnets, which have the opposite magnetic polarities in the adjacent permanent magnets and can regulate the intervals and the positions with different magnetic fluxes, are arranged on the rotating disk, and the Halls on the fixed disk are arranged in the positions near the permanent magnets. The sensor is sheathed outside a center shaft of the bicycle, and the operational amplifier is connected with a motor controller. The assisted bicycle has the advantages that the relative positions of the permanent magnets and the Halls are fixed, and the Halls can obtain rectangular wave signals, so that the sensor can conveniently output an assisted model which is artificially set and can be regulated by digital processing to realize reasonable start point and end point of assisting, as well as reasonable force, enable a person and a machine to realize optimal matching and save electricity.

A method and apparatus for controlling a cursor in a portable terminal is provided. The method includes displaying a character on a screen, modifying the character and displaying the modified character, when a position of a cursor is designated, and restoring the modified character, when the designation of the position of the cursor is cancelled.

The invention discloses a multi-magnetic block position-adjustable turntable sensor for an assisted bicycle, and belongs to the technology of providing a control signal by performing multi-point magnetic induction. The multi-magnetic block position-adjustable turntable sensor for the assisted bicycle comprises a sensing element, an assistance model processor, a digital-to-analogue converter and an operational amplifier which are connected in sequence; the sensing element is a plurality of permanent magnet blocks with adjustable space which are arranged on a turntable; the magnetic polarities of adjacent permanent magnet blocks are opposite, namely the distribution way is pole N, pole S, pole N, ellipsis; and a Hall element is arranged at the position close to the permanent magnet blocks. The multi-magnetic block position-adjustable turntable sensor for the assisted bicycle has the advantages that the Hall element can acquire square-wave signals by utilizing the NS opposite distribution way of the magnetic polarities of the adjacent permanent magnet blocks, and digital processing of the signals is facilitated; the square-wave signals can represent the positions of the permanent magnet blocks on the turntable by adjusting the distance among the permanent magnet blocks, and the application of different square waves are determined; and the sensor can output control model electric signals which are matched with the movement position of the permanent magnet blocks and are set artificially.

The invention discloses a passive spring hemming assembly, which is in contact with the plate body to be hemmed of the automobile, and includes a bracket, the upper part of which is provided with a flange top cover connected with a mechanical arm, and the lower part is hinged with the bottom plate through a first hinge; a spring buffer , which is arranged between the flange top cover and the bottom plate; a cylinder, which is arranged between the spring buffer and the bottom plate, and the upper part of the cylinder is connected with the lower part of the spring buffer , the cylinder has an inner space for accommodating the guide rod, the upper end of the guide rod is in conflict with the spring buffer; the first rolling body is arranged on the lower part of the bottom plate, and the first rolling body includes multiple rollers of different shapes. The invention has the advantages of stable rolling force, simple debugging, low cost and the like.

The invention discloses a sensor with a plurality of magnet blocks adjustable in position in a shell, belonging to the technology of providing a control signal via multi-point-position magnetic induction. The sensor comprises a sensing component, a power-assisted model processor, a digital-analogue converter and an operational amplifier which are sequentially connected, wherein the sensing component comprises permanent magnet blocks and a Hall sensor in inner hollows embedded in a rotating disc and a fixed disc, a plurality of the annularly-distributed permanent magnet blocks are fixedly arranged on the rotating disc, the distances among the permanent magnet blocks are adjustable, and the magnetic polarities of the adjacent permanent magnet blocks are opposite, that is, the magnetic polarities of all the permanent magnet blocks on one surface of the rotating disc are distributed by alternately arranging N-poles and S-poles; and the Hall sensor on the fixed disc is arranged at a position close to the permanent magnet blocks. The sensor has the following advantages that: the Hall sensor can obtain a rectangular wave signal via the NS distribution of the magnetic polarities, and the rectangular wave signal can participate in digital processing for setting the power-assisted model; and the rectangular wave signal can show the positions of the permanent magnet blocks on the rotating disc, and determine the purposes of different rectangular waves by virtue of adjustment on the distances among the permanent magnet blocks, and the relative positions of the permanent magnet blocks and the Hall sensor are fixed, so that signal output is reliable.

The invention relates to a sensing element provided with a plurality of magnetic blocks with adjustable positions in a shell, belonging to a technology for providing control signals by multi-point magnetic induction. The permanent magnet blocks and a Hall are respectively arranged in a space where a rotary table and a fixed table are embedded; the rotary table is fixedly provided with the plurality of permanent magnet blocks which are distributed in a circular ring shape, and the gaps among the permanent magnet blocks can be adjusted; the every two adjacent permanent magnet blocks arranged on one surface of the rotary table have the opposite magnetic polarities, namely, the magnetic polarity distribution mode of all the permanent magnet blocks on one surface of the rotary table is N pole, S pole, N pole, and so on; and the Hall arranged on the fixed table is arranged at the position close to the permanent magnet blocks. The sensing element has the advantages that the every two adjacent permanent magnet blocks are distributed in the opposite magnetic polarities (NS), and square-wave signals can be obtained by the Hall, so that digital processing can be conveniently carried out on the signals; the positions of the permanent magnet blocks on the rotary table can be shown by the square-wave signals by adjusting the distances among the permanent magnet blocks, so that the usage of the different square-wave signals can be confirmed; and the relative positions between the permanent magnet blocks and the Hall are fixed, so that the signals can be reliably output.

The invention relates to a power-assisting bicycle using a sensor with a plurality of non-uniformly distributed magnetic blocks in a shell and belongs to an electric power-assisting bicycle for providing a power-assisting signal by multi-point magnetic induction. The sensor comprises a sensing element, a power-assisting model processor, a digital-to-analog converter and an operational amplifier which are sequentially connected. The sensing element comprises a rotary table and a fixed disk and permanent magnetic blocks and a hall are arranged in an inner space in which the rotary table and the fixed disk are embedded. A plurality of permanent magnetic blocks are arranged on the rotary table, wherein each two adjacent permanent magnetic blocks have opposite magnetic polarities; and the permanent magnetic blocks are arranged at unequal intervals. The hall on the fixed disk is arranged at the position close to the permanent magnetic blocks. The sensor is sleeved outside a center shaft of the bicycle. The operational amplifier is connected with a motor controller. The power-assisting bicycle has the advantages that the relative positions of the permanent magnetic blocks and the hall are fixed; a square-wave signal can be obtained by the hall; the power-assisting bicycle is convenient for the sensor to output the signal by digital processing to artificially set a power-assisting model; the power-assisting initial point, a power-assisting end point and the power-assisting strength are reasonable; and a user and a machine can be optimally matched and power is also saved.

The invention relates to a rotary-disc type sensor with multiple magnets uneven in position for a motorized bicycle, and belongs to technology of providing control signals by multipoint magnetic induction. The rotary-disc type sensor comprises sensing elements, a motorized model processor, a digital-to-analog converter and an operational amplifier which are connected in sequence, the sensing elements include a plurality of permanent magnets and a Hall sensor unit, the permanent magnets are arranged on a rotary disc at different intervals, magnetic polarities of the adjacent permanent magnets are opposite, in other words, the permanent magnets are distributed according to a magnetic polarity sequence of N-pole, S-pole and N-pole..., and the Hall sensor unit is arranged at a position close to the permanent magnets. The rotary-disc type sensor has the advantages that since the permanent magnets are distributed in a mode that the magnetic polarities of the adjacent permanent magnets are opposite according to the sequence of N-pole, S-pole and N-pole..., the Hall sensor unit can acquire rectangular wave signals which can be processed digitally conveniently; since the intervals of the permanent magnets are different, the square wave signals can represent positions of the permanent magnets on the rotary disc, functions of different rectangular waves can be determined, and accordingly, the sensor can output electrical signals of a human-set control model matched with movement positions of the permanent magnets.

The invention relates to a special foot sole and toe massage device for an intelligent robot for medical care massage. The device comprises an outer casing, foot sole massage units and a toe massage unit, wherein the outer casing adopts a foot-shaped structure; the foot sole massage units are uniformly and symmetrically mounted in a mounting layer at the lower end of the outer casing respectively, and the toe massage unit is located in front of the outer casing. The device can be used for massaging foot soles and toes of human feet synchronously, the massage completeness is high, and the limitation that only a certain part of the feet can be massaged with an ordinary foot massage device is overcome; the foot sole massage units have two various massage frequencies, are applicable to young people as well as middle-aged and aged people at the same time, have wide application range, are completely contacted with the foot soles, have no massage dead angles, and are remarkable in massage effect; the toe massage unit can be fully contacted with surfaces of toes and performs massage in a rolling manner, the massage effect is good, the overall angle is adjustable, placement of the toes and massage during different postures are facilitated, and the design is more humanized and practical.

The invention discloses a power-assisted bicycle using a sensor with position-adjustable magnetic blocks in a casing, which belongs to an electrically power-assisted bicycle for providing power-assisted signals through multi-point-position magnetic induction. The sensor comprises a sensing element, a power-assisted model processor, a D/A (digital to analog) converter and an operational amplifier which are sequentially connected, wherein the sensing element comprises permanent magnet blocks and a hall arranged in an inner cavity formed by that a movable plate and a fixed plate are mutually embedded, the movable plate is provided with a plurality of permanent magnet blocks, wherein two adjacent permanent magnet blocks are opposite in magnetic polarity, and the distance between the permanent magnet blocks can be adjusted, and the hall on the fixed plate is arranged at a position close to the permanent magnet blocks. The sensor is sleeved outside of a middle axle of the bicycle, and the operational amplifier is connected with a motor controller. The power-assisted bicycle disclosed by the invention has the advantages that: the relative positions between the permanent magnet blocks and the hall are fixed, and the hall can acquire rectangular wave signals, thereby facilitating that the sensor outputs reasonable forces (which are artificially set and can be adjusted) from the power-assisted model to a power-assisted starting point and a power-assisted ending point through digital processing, so that the man-machine cooperation can be optimal, and an effect of power saving can be achieved.