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56 results about "Orientation control" patented technology

Hydraulic valve positioning control method and control system based on sensorless stepper motor

The application provides a hydraulic valve positioning control method and control system based on a sensorless stepping motor, and the method comprises the following steps: controlling the sensorless stepping motor to drive the spool of the hydraulic valve to move for system initialization, and determining the absolute zero point position and coordinate establishment by detecting the locked-rotor of the stepping motor; in the position control process, the total micro-step number is calculated according to the target position and the absolute zero point position, and the planned micro-step increment of each control period is determined according to the motor speed; before the execution of each control period, it is judged whether the planned micro-step increment will exceed the remaining micro-step number after execution, and the actual execution micro-step number is corrected; the cumulative execution micro-step number and the remaining micro-step number are updated according to the actual execution micro-step number, and the target position is reached until the remaining micro-step number is 0 in a certain control period. The application does not depend on any physical position sensor, realizes high-reliability locked-rotor detection and zero-point self-calibration through a magnetic field orientation control algorithm, and then realizes accurate and reliable positioning of the spool.
Owner:JACK SEWING MASCH CO LTD

Control equipment for cleaning equipment, cleaning system and control method

The invention discloses control equipment for cleaning equipment, a cleaning system, a control method of the cleaning equipment and a computer readable storage medium. The control equipment comprises a main body; the operation part is arranged on the main body and movably connected with the main body, the operation part is configured to have at least one movement direction which moves relative to the main body in a physical coordinate system, and the operation part is configured to receive external operation; wherein the movement direction comprises an axial direction and / or a circumferential direction; the control assembly is arranged on the main body and connected with the operation part, the control assembly is configured to generate a control instruction based on the external operation, and the control instruction is used for controlling working parameters of functional parts of the cleaning equipment. In this way, the control accuracy and control experience of the cleaning equipment can be improved.
Owner:JIANGSU MIDEA CLEANING APPLIANCES

Virtual object control method and device, terminal and storage medium

The embodiment of the invention discloses a virtual object control method and device, a terminal and a storage medium, and belongs to the technical field of computers. The method comprises the following steps: displaying a master control virtual object in a first orientation in a virtual scene; in response to a first trigger operation on the perspective skill control, displaying a perspective area selection control; in response to an area selection operation on the perspective area selection control, controlling the master control virtual object to change from the first orientation to a second orientation, the second orientation being the direction of the perspective area indicated by the area selection operation; and controlling the master control virtual object to release a perspective skill in the perspective area in the virtual scene, wherein the enemy virtual object in an invisible state in the perspective area has a perspective display effect. By adopting the scheme provided by the embodiment of the invention, the perspective skill release flexibility can be improved, and the display form of the virtual object in the virtual game is enriched.
Owner:TENCENT TECHNOLOGY (SHENZHEN) CO LTD

LDI lens verticality adjusting system and adjusting method

The invention discloses an LDI lens perpendicularity adjusting system and method. The system comprises an adjusting module, a controller, a lens bearing plate, a workpiece table and a displacement sensor. The lens bearing plate and the adjusting module are provided with aligned through holes, the LDI lens is fixed in the through holes, the displacement sensor is located on the LDI lens, and the controller is electrically connected with the displacement sensor, the workpiece table and the adjusting module. Controlling the workpiece table to move among a plurality of preset position points; the displacement sensor determines the height from the lens to the workpiece table when the workpiece table is located at each preset position point; the controller receives the heights of the LDI lenses and determines the inclination angle and the inclination direction of the plane where each preset position point is located relative to the horizontal plane; and controlling an adjusting module to adjust the position of the lens according to the inclination angle and the inclination direction, so that the inclination angle is within a preset angle error range. By using the system, detection and accurate adjustment of the verticality of the LDI lens are realized.
Owner:JIANGSU YSPHOTECH INTERGRATED CIRCUIT EQUIP CO LTD

Elevator

This invention provides an elevator with improved reliability, comprising a car capable of moving vertically and vertically within a shaft, a first sensor, a second sensor, and a control unit. The first sensor is disposed in the car. The second sensor is disposed in the car and configured such that its detection surface faces a direction different from that of the first sensor. The control unit calculates the car's position based on detection signals from the first and second sensors.
Owner:HITACHI LTD

Starting-up direction control method and system, holder equipment and storage medium

The invention provides a power-on direction control method and system, a holder device and a storage medium, and relates to the technical field of holder control, the method comprises the following steps: obtaining a historical usage data set and current environment parameters of a to-be-powered-on device, the current environment parameters at least comprising illumination intensity and sound intensity; based on the historical use data set, training the machine learning model to obtain a user habit model; inputting the current environment parameters into the user habit model to obtain a target startup direction; and controlling the to-be-started equipment to be adjusted to the target starting direction during starting. According to the method and the device, the startup direction of the to-be-started equipment is adaptively adjusted according to user habits, tedious manual intervention is avoided, the use convenience and the adjustment efficiency are improved, and the use experience of a user is effectively improved.
Owner:MALANSHAN AUDIO & VIDEO LABORATORY

Main body of a vehicle direction control assembly

1. Name of the product in this design: Main body of automotive steering control assembly. 2. Purpose of this design: The overall product is used to control the direction of a vehicle, and the part for which protection is sought is used in the vehicle steering control assembly, and is the main part of the vehicle steering control assembly. 3. The key design feature of this product is the shape of the portion not coated with red translucent material. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design. 6. Other situations requiring explanation: The red semi-transparent coating is the part that does not require protection, and the part of Design 2 that requires protection includes color.
Owner:CONTEMPORARY SYNLAND TECHNOLOGY CO LTD

The main body for remote control content display and interactive graphical user interface of electronic devices.

1. Name of the product in this design: The main body for remote control content display and interactive graphical user interface of electronic devices. 2. Purpose of this design: An electronic device. 3. The key design features of this product are: the parts in the graphical user interface, and the parts not marked with dotted lines are the parts for which protection is required. 4. The picture or photo that best illustrates the key design points: Design 1 main view. 5. Design 1 is designated as the basic design. 6. Purpose of the graphical user interface: The overall design for which protection is sought is used to display the remote control interface, such as: directional controls, indicator controls, acceleration controls, docking controls, etc. in the interface. It can also be used to operate the corresponding function controls to control the device, such as: operating the directional buttons to achieve forward, backward, left, right, front left, front right, back left, back right, etc. The purpose of the partial design for which protection is sought is the same as that of the overall design. 7. Human-computer interaction method of graphical user interface: In the main view of Design 1, the current pointer direction is displayed in the middle of the interface. Users can operate the direction controls on the left and right sides of the interface to control the movement direction of the device, and can also click the "accelerate" or "dock" controls to control the device to perform the corresponding operation. In the main view of Design 2 (where the user has already performed the forward function), the current pointer direction is displayed in the middle of the interface. The user can use the direction controls on the left and right sides of the interface to control the movement direction of the device, and can also click the "Accelerate" or "Dock" controls to control the device to perform the corresponding operation. In the main view of Design 3 (where the user has already performed the left-forward function), the current pointer direction is displayed in the middle of the interface. The user can use the direction controls on the left and right sides of the interface to control the movement direction of the device, and can also click the "accelerate" or "dock" controls to control the device to perform the corresponding operation. In the main view of Design 4 (where the user has already performed the leftward function), the current pointer direction is displayed in the middle of the interface. Users can use the directional controls on the left and right sides of the interface to control the movement direction of the device, and can also click the "Accelerate" or "Dock" controls to control the device to perform the corresponding operation. In the main view of Design 5 (where the user has already performed a backward function), the current pointer direction is displayed in the middle of the interface. Users can use the direction controls on the left and right sides of the interface to control the movement direction of the device, and can also click the "Accelerate" or "Park" controls to control the device to perform the corresponding operation. In the main view of Design 6 (where the user has already performed the right-forward function), the current pointer direction is displayed in the middle of the interface. Users can use the direction controls on the left and right sides of the interface to control the movement direction of the device, and can also click the "Accelerate" or "Park" controls to control the device to perform the corresponding operation. In the main view of Design 7 (where the current user has enabled the "Accelerate" function), the current pointer direction is displayed in the middle of the interface. Users can use the directional controls on the left and right sides of the interface to control the movement direction of the device, and can also click the "Accelerate" or "Dock" controls to control the device to perform the corresponding operation. In the main view of Design 8 (where the current user has enabled the "Accelerate" function and performed a backward operation), the current pointer direction is displayed in the middle of the interface. Users can use the direction controls on the left and right sides of the interface to control the movement direction of the device, and can also click the "Accelerate" or "Park" controls to control the device to perform the corresponding operation. In the main view of Design 9 (where the current user has enabled the "Accelerate" function and has performed the forward operation), the current pointer direction is displayed in the middle of the interface. Users can use the direction controls on the left and right sides of the interface to control the movement direction of the device, and can also click the "Accelerate" or "Dock" controls to control the device to perform the corresponding operation. In the main view of Design 10 (where the current user has enabled the "Accelerate" function and performed the left-forward function operation), the current pointer direction is displayed in the middle of the interface. Users can operate the direction controls on the left and right sides of the interface to control the movement direction of the device, and can also click the "Accelerate" or "Dock" controls to control the device to perform the corresponding operation.
Owner:XINGMAI INNOVATION TECH (SUZHOU) CO LTD

Wellhead system and method of operating a wellhead system

A wellhead system includes a wellhead assembly and a landing assembly. The wellhead assembly is secured to a top of a borehole and has an interior surface enclosing a main passage. The landing assembly incudes a tubing hanger and an orientation control assembly. The landing assembly is lowered into the main passage to land the tubing hanger in the wellhead assembly. The orientation control assembly includes an orientation engagement assembly, an actuator system which moves the orientation engagement assembly between a retracted configuration and an engaged configuration where orientation engagement assembly engages with the interior surface of the wellhead assembly, a motor, and a drive part which engages with the orientation engagement assembly and, when the orientation engagement assembly is in the engaged configuration, to be driven by the motor and to rotate the tubing hanger relative to the wellhead assembly about a longitudinal axis of the landing assembly.
Owner:ONESUBSEA AS

Robot system provided with a robot having a display section

A robot system includes a display control section that controls an image displayed in a display region of a display section, and a reference direction setting section that sets a reference direction for determining an orientation of the image. The display control section controls the orientation of the image of the display section based on an axis position of each joint axis of the robot and the reference direction, to perform display in a predetermined posture relationship with respect to the reference direction.
Owner:FANUC LTD

Machine tool, gear measuring device, error measuring method, gear manufacturing method, and computer program

To provide a technique capable of measuring a gear shape error.SOLUTION: The machine tool includes a controller configured to execute an error measurement process. In the error measurement processing, an approach start point and an approach direction of a touch trigger probe held by a tool holding device are determined based on a posture of a gear-shaped workpiece held by a workpiece holding device, an actuator is controlled to move the touch trigger probe from the approach start point in the approach direction, and a center position of a tip ball of the touch trigger probe when the touch trigger probe is brought into contact with a surface of the workpiece by the movement is obtained, the method includes determining a candidate value of an error between a gear shape and a target shape of a gear product, generating a cross-sectional model representing a cross-sectional shape of a tooth surface based on the candidate value, the target shape, and a posture, obtaining a minimum distance between the cross-sectional model and a center position, changing the candidate value, and determining, as the error, a candidate value at which an absolute value of a difference between the minimum distance and a radius of a tip ball is equal to or less than an allowable value.SELECTED DRAWING: Figure 6
Owner:YAMAZAKI MAZAK KK

Game control method and device

The invention provides a game control method which comprises the steps that a game interface for displaying a top view angle in a display interface is controlled, the game interface comprises a controlled area, the controlled area comprises a plurality of unit areas, the game interface comprises a virtual object, and the virtual object is located in a first unit area in the unit areas; acquiring an image of a user, and identifying a user posture in the image; determining a direction trigger operation and / or a displacement trigger operation for the virtual object based on the user posture; in response to the direction triggering operation, the virtual object is controlled to be switched from the current orientation to a target orientation, and the target orientation is one of the leftward orientation, the rightward orientation, the forward orientation and the backward orientation of a top view angle; and in response to the displacement triggering operation, controlling the virtual object to move from the first unit area to an adjacent second unit area along the current direction. Therefore, multi-direction control is realized, and the operation flexibility is fully released.
Owner:北京金鼎汉克科技发展有限公司

High-strength and high-plasticity dual-mode magnesium alloy and orientation regulation and control method thereof

The invention discloses a high-strength and high-plasticity dual-mode magnesium alloy and an orientation regulation and control method thereof, and relates to the technical field of magnesium alloys. The orientation regulation and control method comprises the following steps: carrying out homogenization treatment and pretreatment on an as-cast AZ31 magnesium alloy to obtain a blank, and then carrying out hot extrusion deformation on the blank to regulate and control the grain orientation of the AZ31 magnesium alloy to obtain the high-strength and high-plasticity dual-mode magnesium alloy. According to the method, the grain orientation of the dual-mode AZ31 magnesium alloy is regulated and controlled through hot extrusion deformation, and stable regulation and control of the orientation of the dual-mode AZ31 magnesium alloy can be achieved on the premise that the recrystallization grain fraction and the average grain size are kept stable. By optimizing the extrusion temperature, the extrusion rate and the extrusion ratio, adjustment of a dynamic recrystallization mechanism can be achieved, and the dual-mode magnesium alloy with high strength and good plasticity balance is obtained. The method is simple, short in technological process, low in equipment requirement and suitable for large-scale production, and has good industrial feasibility and popularization and application value.
Owner:HARBIN INST OF TECH

Mechanism for steering the direction of travel of road vehicles

Double-hinge steering for vehicles with the following features: - connects two subunits (1, 2) of a subdivided vehicle, - generates vehicle steering by actively angling the subunits relative to each other - has two parallel axes of rotation (5) on the double hinge, which are perpendicular to the vehicle and each run outside the vehicle center, characterized in that - the double-hinge steering system has two distance controllers (9, 11), each of which is assigned to a vehicle sub-unit (1, 2), - the active angling in the horizontal direction during a steering maneuver is achieved via this, - the position of the sub-units relative to the double hinge (13 - 19) and to each other is determined by the spacing regulators (9, 11), - the distance regulators are each attached within the double hinge with a joint (8, 10) whose axis (6) runs coaxially to the axis (5) of the suspension (4) of the double hinge in the other part of the vehicle, - the spacers (9, 11), the brackets (4, 7), the axes (5, 6) and joints (8, 10) are arranged point-symmetrically around the center of the double hinge when viewed vertically from above or from below. - and the double hinge is aligned orthogonally to the direction of travel of the vehicle.
Owner:BERNDT CEDRIC

Surgical robotic platform for operating within the constrained space of an imaging scanner

PendingUS20260183070A1EngineeringApparatus instruments
A surgical robotic platform operates within a constrained space of an imaging scanner in which a patient resides. The platform includes a gross positioning stage configured to be located outside of the constrained space An end-effector having a rotatable shaft is extendable from the gross positioning stage and into the constrained space of the imaging scanner. The shaft has a proximal end operatively coupled to the positioning stage outside of the constrained space and a distal end configured to be located in the constrained space. The distal end has a medical instrument gripper for holding a medical instrument used in a percutaneous procedure. The end-effector further includes a joint arrangement operatively coupling the shaft to the medical gripper for providing motion to the medical instrument gripper for enabling position and / or orientation control of the medical instrument. A drive module controls the joint arrangement.
Owner:RGT UNIV OF CALIFORNIA

Suspended load swing control device

This technology provides the ability to improve the efficiency of lifting operations. [Solution] The suspended load slewing control device 10, which includes a suspended load direction control unit 110 for slewing the suspended load X, has a positioning unit 212 for determining the position of the suspended load slewing control device 10 and an angle detection unit 213 for detecting the azimuth angle of the suspended load slewing control device 10. The suspended load direction control unit 110 determines whether the suspended load X may cross the boundary line, based on the position and azimuth angle, and if it determines that the suspended load X may cross the boundary line, it performs control to prompt a warning.
Owner:OHBAYASHI GUMI LTD

System for context-sensitive environmental perception with autonomous physical orientation control

- Main claim (product claim) System for context-sensitive environmental perception, comprising a sensor unit for capturing environmental information, at least one actuator for physically changing the spatial orientation of the sensor unit, and a processing unit with a state machine, characterized in that the state machine switches autonomously between at least two semantically different perception states without manual triggering by a user, wherein the processing unit derives the currently active perception state from context information generated during an ongoing human-system interaction and controls the actuator in such a way that the sensor unit is aligned with a spatial area assigned to the active perception state.
Owner:BG SYSTEM GMBH

Ship area keeping control method based on position offset calculation

The invention relates to a ship area keeping control method based on position offset calculation, which comprises the following steps of: (1) inputting closed polygon outer boundary points of ship dynamic positioning area keeping, setting a specific area in the outer boundary as an inner boundary, and controlling a ship to move to the center of an area keeping area; (2) stopping the control on the ship propeller, so that the ship floats freely along with the environmental force; if the ship moves to the inner boundary, the direction of a connecting line of the current position of the ship and the regional centroid position is calculated, and the direction is recorded as the optimal heading direction of the ship; (3) the ship is controlled to move back to the position where the area keeps the center, and then control over the longitudinal position and the transverse position of the ship is closed; (4) when the ship floats to the inner boundary under the action of environmental force, recalculating the direction of the connecting line of the current position of the ship and the area centroid position, and updating the optimal heading direction; and (5) moving the ship to the area to keep the center, and repeating the operations from the step (3) to the step (4).
Owner:THE 704TH RES INST OF CHINA STATE SHIPBUILDING CORP

Shoulder-back type lighting umbrella

The utility model discloses a shoulder-carrying type lighting umbrella, and belongs to the technical field of rain gears. Comprising an umbrella cover and an umbrella rod, and further comprises a shoulder strap, a direction control component, a fixing strap, an LED lamp and a shell. A direction control component is arranged at the bottom of the umbrella rod, the direction control component is arranged in a shell, the shell is fixed to the shoulder strap through a fixing ring, corresponding shoulder strap buckles are arranged at the four ends of the shoulder strap, and an LED lamp is arranged on any shoulder strap buckle. The direction control component comprises a connecting sleeve, a rotating mechanism and a rotating mechanism, the connecting sleeve is inserted into the bottom of the umbrella rod, the rotating mechanism is connected to the bottom of the connecting sleeve, and the rotating mechanism is connected to the bottom of the rotating mechanism. Through the arrangement of the direction control component, the multi-angle adjustment of the umbrella cover is realized; and through the arrangement of the LED lamp and the shoulder-carrying design, the illumination function is provided, and the safety and convenience of traveling at night in rainy days are improved.
Owner:NANJING INST OF MECHATRONIC TECH

A three-way bolted steel box girder lug mounting precision control method

The application discloses a three-way bolted steel box girder lug mounting precision control method, which comprises the following steps: 1) height direction control; 2) transverse control; 3) longitudinal control; 4) structure avoidance; 5) hole group processing optimization; and 6) progressive screwing process and the like. The application constructs a height-transverse-longitudinal three-dimensional integrated precision control system, realizes three-way bolted connection of the angle type stiffener, realizes installation deviation of less than or equal to 1 mm, and solves problems such as poor adhesion, hole group misplacement and screwing interference and the like.
Owner:CHINA RAILWAY BAOJI BRIDGE YANGZHOU CO LTD +1

Hardware structure, handle, and guide device for implementing button orientation switching function

This utility model relates to a hardware structure, handle, and guide device for implementing button orientation switching functionality. The hardware structure includes a housing module containing a main housing body, an orientation detection module containing orientation detection components, an orientation control module containing orientation manipulation components, and a main control module containing a main control component. This hardware structure utilizes the orientation detection module to determine the current position of the hardware structure and adjusts the orientation controlled in real-time by the orientation manipulation components based on the orientation detected by the orientation detection module. This avoids the need to re-determine the orientation of each button due to changes in the operator's position, making operation more convenient and improving control accuracy. The control handle and guide device with the above hardware structure are easy to operate, highly reliable, adaptable, and reduce safety accidents caused by incorrect orientation judgment during control.
Owner:上海道密科技有限公司

System and method for controlling a work machine that loads materials onto a transport vehicle

System for controlling a working machine (1), comprising a working tool (12), a rotating body (13) to which the working tool (12) is attached, and a support body (14) that rotatably supports the rotating body (13) and loads the materials onto a conveying vehicle (2) comprising a carriage (52) and a loading platform (53) rotatably supported with respect to the carriage (52), wherein the system comprises: a first processor (271) for controlling the working machine (1), wherein the first processor (271) is configured to acquire data specifying the position of a predetermined reference point (P2) contained in the conveying vehicle (2), to acquire data specifying the position of a center of rotation (C1) of the rotating body (13), to acquire data specifying the position of a cutting tip of the working tool (12), from a straight line (X2) that defines the position of the center of rotation (C1) of the rotating body (13) and the position of the reference point (P2) of the transport vehicle (2) connects,wherein this reference point (P2) is the position of a pivot point (C2) of the loading platform (53), and a current position of the cutting tip of the working tool (12), to determine a target rotation angle of the rotating body (13), and to control the rotating body (13) to rotate according to the target rotation angle, a second processor (611) for controlling the transport vehicle (2), wherein the second processor (611) is configured to acquire data indicating the position of the pivot point (C2) of the loading platform (53), to acquire data indicating the position of the pivot point (C1) of the rotating body (13), and to control a rotation angle of the loading platform (53) relative to the transport vehicle (52) based on a direction of the straight line connecting the pivot point (C2) of the loading platform (53) and the pivot point (C1) of the rotating body (13).
Owner:KOMATSU LTD

Hair curler (CT-101)

ActiveCN309903272SCaring for hairMechanical engineering
1. The name of the design product: curling iron (CT-101). 2. The use of the design product: for curling, styling and caring for hair, the handle is provided with temperature, time, left and right direction control buttons for interaction, two different diameter accessories are used for different curling requirements, and the ironing time, temperature and direction are controlled. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
Owner:NINGBO DECHANG ELECTRICAL MACHINERY MFG CO LTD

Control method of power device and vehicle

The embodiment of the invention provides a control method of a power device and a vehicle. The control method comprises the steps that when it is detected that the current motor rotating speed is 0 m / s, the angular speed and the rotating angle of a vehicle rotating handle are obtained; and controlling the rotation direction of the motor according to the direction of the angular velocity, and controlling the rotation speed of the motor according to the rotation angle so as to control the driving direction and the driving speed of the vehicle. According to the control method provided by the embodiment of the invention, the driving direction and the driving speed of the vehicle are input at the same time through one-time handle turning operation, an independent direction switching component does not need to be additionally arranged, operation component arrangement of the vehicle can be simplified, meanwhile, the recognition efficiency of the vehicle on the riding intention is improved, and the riding experience is improved. And the response speed and the use safety of vehicle control are improved. When the vehicle with the control method is applied, a user only needs to twist the rotating handle according to needs, the vehicle can judge the intention of the user according to the angular speed and the rotating direction of the rotating handle, the rotating direction and the rotating speed of the motor are adaptively controlled, and therefore the riding intention of the user is rapidly achieved.
Owner:苏州无界妙控科技有限公司

Multifunctional visualization instrument with orientation control

A multifunction laryngoscope is provided that includes a handle including a proximal end and a distal end and a display screen on the handle. The laryngoscope includes a laryngoscope camera at the distal end of the handle and is connected to a guide that includes an orientation sensor at a distal end of the guide. The laryngoscope includes a processor programmed to execute instructions for receiving a steering command in a first frame of reference from a steering input and mapping the steering command to a second frame of reference oriented to the distal end of the guide based on an orientation signal from the orientation sensor.
Owner:COVIDIEN

Orientation control of a low-thrust propulsion extraterrestrial vehicle to maintain solar alignment

A vehicle capable of computing an optimal attitude path that provides increased solar power generation through snap-roll events during orbital transfer maneuvers. A vehicle may include a memory and processor, including instructions that, when executed, can generate an attitude profile of the vehicle during an orbital transfer; identify, from the attitude profile, a snap-roll event, the snap-roll event is a violation event in which movement of the vehicle violates a body-frame angular rate constraint, wherein the snap-roll event is identified based on the first vector and the second vector being in substantial alignment; identify a plurality of control points along a trajectory of the vehicle during the snap-roll event; and adjust angular velocity of the vehicle at a first control point in the plurality of control points, wherein a first angular velocity of the vehicle at the first control point exceeds a maximum angular velocity of the vehicle.
Owner:BLUE ORIGIN MANUFACTURING LLC

Screen direction control method based on quaternion inertial navigation

The invention provides a screen direction control method based on quaternion inertial navigation. The method comprises the following steps: calculating a relative rotation angle of a current screen posture relative to a reference screen posture by combining a current posture quaternion; calculating a rotation direction increment according to the relative rotation angle in combination with a threshold value; calculating a target direction by combining the rotation increment and the current screen content direction; if the target direction is not consistent with the current direction and the target direction is continuously stable in the preset time window, a trigger signal for changing the screen content direction into the target direction is provided for an operation system, and the operation system carries out further processing. According to the invention, the screen rotation problem is processed from the perspective of strapdown inertial navigation, so that the control of the automatic rotation of the screen content direction does not depend on the gravity direction, the robustness of the automatic rotation of the screen content is improved, the effective scenes are more diversified, and the use of a user is more convenient. The application of the quaternion effectively avoids the defects of the universal joint lock in the traditional inertial navigation Euler angle method.
Owner:NANTONG UNIV

Pan-tilt camera control method, pan-tilt camera and storage medium

The invention discloses a pan-tilt camera control method, a pan-tilt camera and a storage medium, and the method comprises the steps: obtaining a current image frame collected by the pan-tilt camera, determining the coordinates of a target object in the current image frame, and obtaining the coordinates of the current image; calculating the attitude of the pan-tilt camera when the current image coordinate is in the image center of the pan-tilt camera to obtain an expected pan-tilt attitude; calculating an attitude difference value between the expected cradle head attitude and the current cradle head attitude, and calculating rotation speeds corresponding to multiple directions based on the attitude difference value to obtain a current frame speed; and if the pan-tilt camera is in the power consumption limiting state, comparing the rotation speeds corresponding to the multiple directions in the current frame speed, selecting a target direction from the multiple directions based on a comparison result, and controlling the pan-tilt camera to rotate towards the target direction, so that the selected target direction can be preferentially rotated for the pan-tilt camera subjected to power consumption limitation. Smoothness and stability of picture collection under the condition of power consumption limitation are ensured, and target loss is prevented.
Owner:ZHEJIANG DAHUA TECH CO LTD

Seat system for a vehicle for lifting and moving cargo

A seat system for a vehicle for lifting and moving cargo includes a seat rotation mechanism operable to rotate an operator seat relative to a vehicle chassis in response to a control signal received from a control system. The control system receives input from a direction controller used by an operator to steer all wheels of the vehicle together into a common direction such that the vehicle travels in a particular direction on the ground without rotation of the chassis relative to the ground. By rotating the seat in the traveling direction, the field of view of an operator can be improved.
Owner:COMBILIFT