34results about How to "Realize positioning control" patented technology

The invention discloses an automatic cooker stirring positioning method and an automatic cooker. The automatic cooker stirring positioning method comprises that a control module receives an output signal of a detecting module; the detecting module comprises a first component disposed on a stirring assembly and a second component disposed on a lid or a body, and the second component is used for outputting a connection or disconnection signal according to the position change between the first component and the second component; the control module determines whether the stirring assembly is installed according to the output signal of the detecting module; the stirring assembly includes a transmission shaft and stirring blades, and the transmission shaft is detachably connected with an outputshaft of a motor and drives the stirring blades to rotate under driving of the output shaft; the control module determines the rotation angle periodical change rule of the stirring assembly accordingto the output signal of the detecting module after determining that the stirring assembly is installed and controls the motor to stop according to the change rule to enable the stirring assembly to stop at the specified position. By means of the technical scheme, the precise positioning control of the stirring assembly of the automatic cooker can be achieved.

The invention provides a mobile grouting and positioning method for laying walls, including lifting adjustment: the lifting frame is driven up and down through the expansion and contraction of the piston rod of the lifting cylinder, and the lifting frame is driven by the chain, the connecting base plate, the rotating mechanism and the main and auxiliary vertical plates, and the first pressing plate And the horizontal pressing plate in the second pressing plate is adjusted to the height position of the wall to be built; rotation adjustment: the rotation of the servo motor drives the rotating column to rotate, and the rotating column drives the first pressing plate and the second pressing plate to rotate through the lower base plate and the main and auxiliary vertical plates. Rotate the horizontal pressing plate between the first pressing plate and the second pressing plate to be parallel to the length direction of the wall to be built; positioning width adjustment: adjust the positioning width between the first pressing plate and the second pressing plate by adjusting the expansion and contraction of the cylinder, so that the first pressing plate and the second pressing plate The inner side of the bottom surface of the horizontal pressing plate in the second pressing plate is pressed on the surface of the wall to be built, and the inner side of the positioning sticker is stuck on the two sides of the wall to be built. The method can position the thickness and width of the mortar pouring, control the pouring mortar, and ensure the quality of the masonry.

The invention provides a mobile brick-laying mortar method, including lifting adjustment: adjusting the horizontal pressing plate to the height position of the wall to be built by lifting and lowering the lifting cylinder, and rotating adjustment: rotating the horizontal pressing plate to the height position of the wall to be built by rotating the servo motor The length direction of the building wall is parallel, positioning adjustment: by adjusting the expansion and contraction of the cylinder, the inner side of the bottom surface of the horizontal pressing plate is pressed against the surface of the wall to be built, and the inner side of the positioning plate is stuck on the two sides of the wall to be built, and the mortar is laid: The mounting plate connected with the mixing drum is driven by the drive motor to slide on the first support shaft and the second support shaft together with the drive motor, and the mortar in the mixing drum is poured into the positioning mechanism through the discharge valve. Lay the surface of the wall and smooth the mortar: the telescopic cylinder drives the trowel board to move on the upper side of the mortar to smooth the pouring mortar. The application can position the width and thickness of the mortar paving, automatically pour and smooth the mortar, control the pouring mortar, and ensure the quality of the masonry.

The invention discloses an operation method for stepping dispersion control on a permanent magnet brushless direct current motor, and relates to a motor control technology. A device used in the method comprises a DSP (digital signal processing) control module, a power circuit, the permanent magnet brushless direct current motor, an encoder position detection module and an input power module. For the common three-phase permanent magnet brushless direct current motor, a stator current vector synthesized by three-phase current is dispersed and subdivided, and a dispersion positioning position in a space is obtained according to a certain cyclic number of beats, so that positioning control on the motor can be realized by controlling the space position of a stator magnetic field, and the positioning precision of the motor is improved; furthermore, the stator current vector synthesized by the three-phase current is dispersed at an electric angle space position according to a certain cyclic number of beats so as to obtain a dispersed current vector for controlling operation of the motor; by increase of the cyclic number of beats, a smaller stepping angle can be obtained, and the position resolution is improved; therefore, the positioning precision of the permanent magnet brushless direct current motor can be improved under the condition of guaranteeing the loading capacity.

This invention belongs to automatic engineering technique field and relates to a basic method to realize the double-direction swim of micro robot in sealed tube through magnetic field driving. It provides a double-direction driving model with robot head and tail which have two resonance frequency driver thin films according to push characteristics of vibration thin film and liquid couple and thin film each phase of resonance frequency relation characteristics. It generates drive magnetic field through Helmholtz double coil driving between two resonance frequency of the front and back thin film driver to realize the continuous adjusting and position control of the robot swimming speed. íí

The invention relates to an automatic rolling machine for big bags, which is characterized in that it comprises a folding mechanism, a flattening mechanism, a conveying mechanism for big bags and a rolling mechanism, which are arranged in sequence from left to right. The folding mechanism includes a transmission mechanism, a bag-receiving mechanism, and a guiding and limiting mechanism, which folds the ton bag into a regular rectangle; Evacuate, flatten and compress; the big bag conveying mechanism includes a conveying belt, a support frame, a conveying gear, a conveying chain, a conveying motor, and a cylinder, and mainly conveys the big bag from the flattening mechanism to the rolling mechanism; the The reeling mechanism includes a strapping mechanism, a reel, a positioning groove, a positioning jaw, and a reel driving device, which can realize the convenient disassembly and driving of the reel after rolling. The invention realizes the continuous rolling of the big bag, provides the precondition for the automatic packaging of the big bag, reduces the labor intensity and improves the production efficiency.

The invention provides a multi-coordinate machining center combination method based on vision and a movable mechanical arm, and aims to overcome the large technical defect that a movable robot, a boring machine, a milling machine, a drilling machine and the like cannot be directly combined into a multi-coordinate machining center. The method comprises the steps that machining tasks and procedures are set on the movable mechanical arm, the boring machine, the milling machine and the drilling machine; a movable mechanical arm rail and clamps are arranged, a CCD and a laser ranging device or a connect camera is arranged on the movable mechanical arm, and a plurality of light mark points are arranged on the boring machine, the milling machine and the drilling machine towards the movable mechanical arm rail; then a workpiece to be machined is moved to a preset position by the movable mechanical arm through multi-joint control of the movable mechanical arm; and meanwhile, online locating monitoring and error correction are carried out in the machining process, fault alarms are given to a machining system, and multi-coordinate machining center combination is achieved. The great technical aim of directly combining the mobile robot, the boring machine, the milling machine, the drilling machine and the like into the multi-coordinate machining center is achieved.

The invention relates to a driving method of a zoomer lens. Variable acting force is directly applied to a lens surface, by changing the air pressure at one end of at least one lens group, the air pressure applied to two ends of the lens group produces variable pressure difference to form variable driving force, therefore, the lens group is driven to move towards lower air pressure, to realize the function that the lens can be telescopic within a large travel range, simultaneously high accuracy positioning during the telescoping process is realized, and the optical zoom and the automatic focusing of the lens are realized.

The invention discloses a method and device for controlling an electric support frame for a trailer. The electric support frame includes a motor, a speed regulating device, a control unit, a limit device, a driving device, a transmission device, and a support frame. Or drop the start signal to control the forward or reverse rotation of the motor. The limit device gives the initial position signal and starts position recording. After the motor rotates through the speed regulating device, it drives the driving device to move, and the movement of the driving device drives the transmission device. movement, thereby controlling the rise or fall of the electric support frame; when the position record in the limit device reaches the end point, a signal of reaching the highest position or the lowest position is sent, and the control unit controls the motor to stop running after receiving the position signal; the speed regulating device, The driving device and the transmission device are operated by gear meshing. The motor is used to drive the rising or falling of the supporting frame, which realizes the all-weather work of the supporting frame and ensures the safe operation of the supporting frame.

The present invention relates to the technical field of steel bar rolling machine, in particular to a steel bar thread rolling machine for building steel bar processing, comprising a box body 1, a base 2 and a steel bar 3, the upper end of the box body 1 is fixedly connected with a base 2, on the base 2 The steel bar 3 runs through, the base 2 is prism-shaped and a cylindrical hole is opened on the base 2, the steel bar 3 is arranged in the cylindrical hole of the base 2, and a number of uniformly distributed pusher plates 4 are arranged around the steel bar 3, and the pusher plate 4 One end is fixedly connected with a rubber block 5, and the rubber block 5 is in contact with the steel bar 3. The structural design of the present invention realizes the requirement for the base 2 to locate the steel bar 3 with different outer diameter sizes, and by controlling the handle one 21 and the handle two 22, quick positioning can be realized Work, to meet the high-efficiency processing requirements of the entire steel bar rolling machine, with stable and powerful functions.