383 results about "Gimbal" patented technology

The invention relates to a course axis drift suppression method and device, a holder and a medium, and the method comprises the steps: receiving original data of a current course, the original data comprising an absolute angle outputted by a course encoder, and an acceleration and an angular velocity outputted by an IMU module; the original data are converted into a unified coordinate system through a rotation matrix, and mechanical installation deviation is compensated; performing data fusion on the compensated original data through a preset fusion algorithm; and outputting the fused absolute angle to a servo mechanism of the holder, and by adopting the method, through real-time sensor data alignment, a dynamic compensation algorithm and a fusion algorithm, a course drift suppression mechanism which is resistant to dynamic interference and low in cost is constructed, and static drift lt can be realized; the dynamic tracking error is 1t, 0.01 degree / h and 1t; and the technical index is 0.05 degree.

A gyroscopic roll stabilizer includes an enclosure, a flywheel assembly, a bearing, a motor, and a bearing cooling circuit. The enclosure is mounted to a gimbal for rotation about a gimbal axis and configured to maintain a below-ambient pressure. The flywheel assembly includes a flywheel and flywheel shaft. The bearing rotatably mounts the flywheel assembly inside the enclosure for rotation about a flywheel axis. The bearing has an inner race and an outer race. The inner race is rotationally fixed relative to the flywheel shaft, and the outer race is held rotationally fixed relative to the enclosure. The motor is operative to rotate the flywheel assembly. The bearing cooling circuit is configured to transfer heat away from the bearing by recirculating coolant along a closed fluid pathway. The gyroscopic roll stabilizer is configured to transfer heat away from the inner and / or outer race of the bearing to the coolant.

The invention relates to a pan-tilt angle calculation method and device, an electronic device and a storage medium, and the method comprises the steps: obtaining initial gravitational acceleration data and initial angular velocity data, determining reconstructed gravitational acceleration data according to the initial gravitational acceleration data and the initial angular velocity data, and calculating the angle of a pan-tilt according to the reconstructed gravitational acceleration data; and determining an observation model according to the initial gravitational acceleration data, determining real gravitational acceleration data according to the reconstructed gravitational acceleration data and the observation model, obtaining a carrier coordinate gravitational acceleration, and determining a cradle head attitude angle according to the carrier coordinate gravitational acceleration and the real gravitational acceleration data. According to the method and the device, the problem of how to accurately calculate the attitude angle of the unmanned aerial vehicle holder is solved, noise interference is reduced, the real gravitational acceleration is restored, and the stability augmentation control capability of the holder is effectively improved.

A gyroscopic roll stabilizer includes an enclosure, a flywheel assembly, a bearing, a motor, and a bearing cooling circuit. The enclosure is mounted to a gimbal for rotation about a gimbal axis and configured to maintain a below-ambient pressure. The flywheel assembly includes a flywheel and flywheel shaft. The bearing rotatably mounts the flywheel assembly inside the enclosure for rotation about a flywheel axis. The bearing has an inner race and an outer race. The inner race is rotationally fixed relative to the flywheel shaft, and the outer race is held rotationally fixed relative to the enclosure. The motor is operative to rotate the flywheel assembly. The bearing cooling circuit is configured to transfer heat away from the bearing by recirculating coolant along a closed fluid pathway. The gyroscopic roll stabilizer is configured to transfer heat away from the inner and / or outer race of the bearing to the coolant.

A gyroscopic roll stabilizer comprises a gimbal having a support frame and enclosure configured to maintain a below-ambient pressure, a flywheel assembly including a flywheel and flywheel shaft, one or more bearings for rotatably mounting the flywheel inside the enclosure, a motor for rotating the flywheel, and bearing cooling system for cooling the bearings supporting the flywheel. For smaller units, the bearing cooling system is effective to enable a flywheel with a moment of inertia less than 40,000 lb in2 to be accelerated at a rate of 5 rpm / s or greater. For larger units, the bearing cooling system is effective to enable a flywheel with a moment of inertia greater than 40,000 lb in2 to be accelerated at a rate of 2.5 rpm / s or greater.

Methods and systems for a control device, defined as a multi-configuration, redundant, fixed-axis control device. Disclosed systems include one or more members configured to translate about one or more corresponding axes; and a mount in a fixed plane and configured to support one or more gimbals, each gimbal connected to a corresponding member and configured to translate in a corresponding axis.

An apparatus for attaching a gimbal for an antenna to a structure, the apparatus including a pivot element for attachment to the structure, wherein the pivot element includes a first hole for rotatably attaching the gimbal to the pivot element using a first fastening element, wherein the pivot element includes a second hole, which is an oblong hole, for guiding a rotational movement of the gimbal within an angular range around an axis of rotation associated with the first hole, wherein a first surface of the pivot element, which faces the gimbal, when the gimbal is attached to the pivot element, is convex.

The invention relates to the technical field of stable anti-shake, and discloses a stable anti-shake device for photogrammetry and remote sensing, which comprises an external shell and is characterized in that an anti-shake mechanism is arranged in the external shell and is used for weakening disturbance of the outside to measuring equipment, and a power generation mechanism for supplementing power to the whole device is arranged in the anti-shake mechanism and is used for generating power to the measuring equipment. An anchoring mechanism for stabilizing the whole device is arranged at the bottom of the external shell, and a driving mechanism is fixedly connected to the bottom of the external shell and used for moving the whole device. Under the action of the anti-shake mechanism and under the guidance of the air guide assembly, air spirally accelerates along with the air guide groove to downwards impact the external shell and exerts downward pressure on the external shell when facing external wind power interference, so that the whole device is more stable, meanwhile, the air is guided into the suspension assembly, the holder for supporting the measurement equipment is suspended, and the measurement precision is improved. And the situation that the measurement equipment is influenced by influencing the anti-shake equipment by the outside world is weakened.

The application discloses a two-axis holder, the connecting arm can rotate relative to the rotor end of the first motor to switch the holder between the storage state and the use state; the clamping part comprises a first clamping jaw and a second clamping jaw, when the holder is in the storage state, the clamping part faces the handheld part; when the holder is in the use state, the clamping part is located above the first motor, the connecting arm is inclined to the axis extension line of the first motor, so that the clamping part is located on the axis extension line of the first motor, the outer ring of the rotor end of the first motor and the connecting arm are provided with matched limiting structures to limit the relative rotation of the rotor end of the first motor and the connecting arm. The two-axis holder disclosed by the application can always balance the gravity center of the two-axis holder, a rotating mechanism is additionally arranged between the first motor and the connecting arm to meet the storage of the two-axis holder, the length after storage is only the length of the handheld part of the holder, and the problem of the motor blocking the wide-angle lens during shooting of the two-axis holder can be solved.

The present invention provides a three-axis self-stabilizing gimbal, which solves the problem that the existing self-stabilizing gimbal only satisfies the axial rotation in the heading and pitching directions, and the clarity and stability of the captured image are poor during the movement. The gimbal includes a control unit, a fixed top frame, a gyroscope assembly, a rotating cavity assembly, a middle bin assembly, a heading motor, a roll motor, a pitch motor, a camera function assembly, and a gyroscope assembly device provided in the camera function assembly; the stator and rotor of the heading motor are respectively connected to the fixed top frame and the rotating cavity assembly; the stator and rotor of the roll motor are respectively connected to the rotating cavity assembly and the middle bin assembly, and the axis of the roll motor stator is perpendicular to the axis of the heading motor rotor; the stator of the pitch motor is fixed in the middle bin assembly, the axis of the pitch motor stator is perpendicular to both the axis of the roll motor stator and the axis of the heading motor rotor, and its rotor is connected to the camera function assembly; the control unit is connected to the gyroscope assembly and controls the actions of the heading motor, the roll motor, and the pitch motor respectively.

A head gimbal assembly with a gimbal having a base portion and a tongue that are connected by a neck portion, wherein the tongue includes a first lateral side and a second lateral side opposing the first lateral side, first and second struts connected to the base portion, and a distal portion extending from distal ends of the first and second struts toward the tongue. First and second aft tethers have first ends connected to the first and second lateral sides respectively, and second ends connected to the distal portion. First and second fore tethers have first ends connected to the first and second lateral sides respectively, and second ends connected to the first and second struts respectively. A circuit is mounted on the gimbal. The slider is mounted on the tongue and electrically connected to the circuit.

According to one embodiment, a suspension assembly includes a support plate, a wiring member provided on the support plate and including an elastically deformable gimbal portion including a tongue portion on which a magnetic head is mounted and an outrigger connected to the tongue portion, and a viscoelastic material filled into a gap between the outrigger and the support plate and forming a damper.

The invention discloses a marine binocular camera stabilizing device based on Z-axis active compensation, and belongs to the technical field of marine equipment.The marine binocular camera stabilizing device comprises a base, a sliding block is arranged on the base in a sliding fit mode, and a three-axis holder is arranged on the sliding block; a Z-axis compensation mechanism used for driving the sliding block to move in the vertical direction is arranged on the base. The Z-axis compensation mechanism comprises a driving motor, a driving wheel, a driven wheel and a synchronous belt, the driving wheel is connected with an output shaft of the driving motor, and the driving wheel and the driven wheel are in transmission connection through the synchronous belt; the sliding block is fixedly connected with one side of the synchronous belt. According to the invention, heaving displacement caused by sea waves is compensated through the Z-axis compensation mechanism so as to keep the stability of the binocular camera, compared with a traditional three-axis stabilizer, the stabilizing device after Z-axis compensation is added can prevent the ship-borne binocular camera from being influenced by the sea waves, the posture of the ship-borne binocular camera can be stabilized, the ship-borne binocular camera can be kept on the same horizontal plane, and the stability of the ship-borne binocular camera is improved. And the perception accuracy of the binocular camera is improved.

The invention relates to the technical field of aircrafts, in particular to a sensor parameter adjustment method and device, equipment and a medium, and the method comprises the steps: obtaining the acceleration data of an unmanned plane, the acceleration data of a holder, and the sensing data; and acquiring a detected pitch angle and a detected roll angle based on the sensor parameters and the sensing data. The pitching angle and the rolling angle of the holder are obtained, and the pitching angle and the rolling angle of the unmanned aerial vehicle are obtained. And obtaining an estimated pitch angle according to the pitch angle of the holder and the pitch angle of the unmanned aerial vehicle, and obtaining an estimated roll angle according to the roll angle of the holder and the roll angle of the unmanned aerial vehicle. If the angle difference between the estimated pitch angle and the detected pitch angle is larger than or equal to an angle difference threshold value, or the angle difference between the estimated roll angle and the detected roll angle is larger than or equal to the angle difference threshold value, sensor parameters are adjusted. According to the scheme, the parameters of the sensor can be adjusted in a wide range of scenes, normal use of the holder is ensured, and the user experience is improved.

The present invention discloses a horizontal centrifuge using the gyroscopic effect with horizontal centrifuge sieve assembly comprising a sieve basket disposed within the sieve assembly. A motor is coupled to the horizontal centrifuge sieve assembly and enables the sieve basket to rotate along with the horizontal centrifuge sieve assembly. The sieve basket is mounted to the motor shaft of the horizontal centrifuge sieve assembly. The support and drive structure comprising a support frame structure configured for mechanically supporting and transferring the weight of the horizontal centrifuge to the ground and at least a set of gimbal mounts configured for allowing rotating parts to freely spin to maintain a steady direction of its axis of rotation and prevent transfer of significant forces to the support frame structure. The motor supporting structure configured for holding the motor which is further connected with the horizontal centrifuge sieve assembly and securing the gimbal mounts.

A gimbal, a balancing method, a control method, a balancing motor and a gimbal assembly are provided. The balancing method includes: controlling a driving motor to rotate, and obtain a first electric signal parameter of the driving motor, where the gimbal includes a rotating assembly and a balancing motor, and the rotating assembly includes a gimbal component, a transmission mechanism and a driving motor. The driving motor is configured to drive the gimbal component to rotate so as to adjust the attitude of the gimbal. The balancing motor is configured to drive at least part of the gimbal component to move via the transmission mechanism so as to adjust the center of gravity of the gimbal. The operation of the balancing motor may be controlled based on the first electrical signal parameter to make the gimbal in a balanced state in an adjustment direction of the balancing motor.

This utility model relates to an automatic rotating shaft for an intelligent gimbal, comprising a housing and a screen. The housing has a mounting step with a mounting groove. A drive assembly is housed within the mounting groove. The drive assembly includes a fixed plate, a rack, a lifting plate, a rotating bracket, a drive motor, a drive support, a drive screw, and a drive block. The rotating bracket includes a mounting plate and a rotating cylinder rotatably connected within the mounting groove. The fixed plate has a lifting slide groove, and the rotating cylinder has a bushing. The lifting plate has a through hole through which the rotating cylinder passes and is rotatably connected to the fixed plate via the bushing. The rotating cylinder has transmission teeth. The side of the drive block is fixedly connected to the lifting plate via a locking device. The drive block has a screw hole. The drive block drives the lifting plate and the rotating bracket to lift. During lifting, the rotating bracket, through the transmission teeth and the rack, drives the mounting plate and the screen on the mounting plate to rotate. This utility model has an ingenious structure and is convenient and practical.

The invention relates to the technical field of speed reducers, and discloses a universal assembly for a rotary speed reducer and the rotary speed reducer, the universal assembly comprises a torque input part, a torque output part and a key pin, the torque input part can rotate relative to a base assembly of the rotary speed reducer, and the torque input part is provided with a mounting cavity; the torque output piece comprises an output shaft and a spherical connecting piece, the spherical connecting piece is arranged at one end of the output shaft in the axial direction of the output shaft and is at least partially arranged in the mounting cavity, two first sliding grooves are formed in the peripheral face of the spherical connecting piece, the two first sliding grooves extend in the outer surface of the spherical connecting piece, and the two second sliding grooves extend in the radial direction of the spherical connecting piece; the projections of the two first sliding grooves coincide with the projection of the axis of the spherical connecting piece. The number of the key pins is two, each key pin is arranged on the inner wall of the mounting cavity, and each key pin is in sliding fit with the corresponding first sliding groove in the length direction of the first sliding groove.

A gimbal and a gimbal control method are disclosed. The gimbal control method may include: acquiring attitude information of a gimbal; determining whether the gimbal is in a falling state based upon the attitude information; and when the gimbal is in the falling state, triggering a protection mode and controlling the gimbal to rotate to a set attitude. The set attitude may be an attitude at which the gimbal is not easy to be broken from falling, thereby reducing the probability of the gimbal being broken from falling.

A gimbal (100), comprising a handle (12); and at least two axis assemblies, the at least two axis assemblies comprising a first axis assembly (14) and a second axis assembly (16), the first axis assembly (14) comprising a first motor (18) and a first axis arm (20), and the second axis assembly (16) comprising a second motor (22) and and a second axis arm (24). The first motor (18) is arranged at a handle top (26) in the extending direction of the handle (12) and is separately connected to the handle (12) and the first axis arm (20), and the first axis arm (20) is connected to the second motor (22). The gimbal (100) has a folded state, and in the folded state, the rotation axis of of the second motor (22) does not pass through the first motor (18), the first axis assembly (14) is a pitch axis assembly, and the second axis assembly (16) is a yaw axis assembly.

Provided is a method of controlling a gimbal mounted on a camera, the method including, by a control module, generating a value of a first target rotational force for a servo motor module that transmits a rotational force to the gimbal, based on a value of a sensor output received from a gyro sensor module mounted to be aligned in a direction in which the camera faces and a value of a preset angular velocity of a gimbal platform with which the gimbal is engaged, and, by the control module, applying a value of rotational resistance based on the value of the preset angular velocity of the gimbal platform to the value of the first target rotational force to generate a value of a second target rotational force, and transmitting the value of the second target rotational force to the servo motor module.

A trace gimbal is described. The trace gimbal includes outer struts including a front outrigger at a distal end of the trace gimbal and a rear outrigger at a proximal end of the trace gimbal. The front outrigger includes a distal front outrigger and a proximal front outrigger. The rear outrigger includes a distal rear outrigger and a proximal rear outrigger. The trace gimbal also includes a middle strut extending from the distal rear outrigger and adjoining the proximal front outrigger to the rear outrigger. The middle strut extends from a slider tongue adjoining the outer gimbal struts to the slider tongue.

This invention discloses a ship motion detection system, including a ship motion angular displacement detection system comprising a lateral tilt sensor, a longitudinal tilt sensor, and a heading sensor installed on the ship; a target tracking and observation system comprising a target tracking servo gimbal and a target observer installed on the ship; and a data acquisition, calculation, and storage system for acquiring and storing the ship's roll, pitch, and bow signal data measured by the ship motion angular displacement detection system, and for calculating and storing the ship's sway, pitch, and heave motion data. This invention also discloses a ship motion detection method based on the above system. This invention enables highly reliable and accurate measurement of ship motion data in waves, further improving the compensation accuracy of wave compensation boarding bridges on wind power maintenance vessels.

Provided are a driven object side presser to press the first holder from a side where the driven object exists, a force transmitter to convert a tensile force to a pressing force with which the driven object side presser presses the first holder and to transmit the pressing force to the driven object side presser, a fixed member side presser to press the first holder from a side where the fixed member exists, a support fixed to the fixed member, a link to be connected to the force transmitter rotatably, the support, and the fixed member side presser and to move the fixed member side presser in a direction approaching the first holder when the force transmitter is moved in a direction away from the first holder, and a locking force generator to generate the tensile force, and to lock the first holder so as not to be moved.

A gimbal head assembly (HGA), such as that used in a hard disk drive (HDD), comprises a load beam formed with proximal openings and a bend coupled to the load beam. The bend includes a tongue section to which a fine actuator is coupled, and the tongue section includes corner sections proximal to the fine actuator. Each opening of the load beam is shaped and positioned to overlap the corner section of the bend, preventing contact between the load beam and the corner section in response to shock events. This creates a gimbal clearance of the bend relative to the load beam, protecting the integrity of the piezoelectric fine actuator elements from, for example, non-operational shock events.

An vehicle, such as an aerial vehicle, may include a propulsion platform and a barrier assembly. The barrier assembly may include an external cage and a gimbal assembly. The propulsion platform may include a controllable motor and a propeller operably coupled to the motor. The external cage may be operably coupled to the propulsion platform, and the external cage may be constructed with a plurality of rods connected by a plurality of vertex connectors. The propulsion platform may be disposed within the external cage. The gimbal assembly may operably couple the propulsion platform to the external cage thereby securing the propulsion platform to the external cage while enabling relative rotational movement between the aeronautic platform and the external cage about at least a first axis of rotation.

A shipboard platform is provided for azimuth and elevation pivoting of a targeting payload. The platform is coupled to a ship and includes a pedestal, an azimuth drive trunnion, a yoke having first and second struts, an elevation drive trunnion and an elevation support trunnion. The pedestal is disposed on the ship. The azimuth drive trunnion is disposed in the pedestal. The yoke is rotatably disposed on the azimuth drive trunnion. The elevation drive and support trunnions are rotatably disposed in their respective first and second struts. The payload is mountable to the elevation drive and support trunnions. Further, a gimbal trunnion is provided for pivoting a payload along an axis. The trunnion includes an annular shaft, an interface mounting plate, an annular rotor, an annular stator, and inner and outer annular housings. The shaft turns the payload along the axis. The interface mounting plate is axially disposed between the payload and the shaft. The annular rotor extends radially outward from the shaft for turning the mounting plate. The annular stator extends radially outward from the rotor to laterally constrain the rotor. The inner and outer annular housings extending radially outward from the stator for encasing the axially tandem bearings.

1. Name of the product in this design: Surveillance (Three-eye Oscillating Camera). 2. Purpose of this design: Surveillance. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view.

The utility model discloses a pan-tilt quick-release locking collet, which comprises a bracket, a ball support arranged at the top of the bracket, and a base arranged at the bottom of the bracket; the supporting seat is detachably embedded into the ball support, and the bottom of the supporting seat is connected with a screw rod; the connecting base is connected to the lower portion of the base, a mounting cavity is formed in the connecting base, a first through groove is formed in one side of the connecting base, and the screw extends into the mounting cavity; the quick-release locking assembly is arranged in the mounting cavity; and the locking assembly extends into the mounting cavity from the top of the connecting seat. The bottom support is fast and convenient to disassemble and assemble and firm in locking.