5results about How to "Simple and reliable control method" patented technology

The application discloses a kind of superfast laser processing system and method that can steplessly regulate the inclination of micro slot side wall, including laser, laser exit beam is divided into two beams after beam splitter, wherein beam 1 is parallel to Y axis, beam 2 is parallel to X axis;Beam is reflected after first mirror and exits parallel to Y axis;Two beams are vertically incident into double-beam adjustable tilt moving device, and after regulating light beam, respectively through second mirror, third mirror and through first convex lens, second convex lens, it converges in a certain angle and a certain interval on the surface of workpiece to be processed, and the workpiece to be processed is clamped on three-dimensional motion platform, and the focal point of two intersecting converging beams is relatively moved with workpiece to be processed, to realize the laser etching processing of surface micro slot;The application can regulate the inclination of two sides respectively to realize the efficient controllable processing of rectangular micro channel, other side wall inclination micro channel and even negative inclination micro channel.

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).

The utility model relates to a sample scheduling system. The sample scheduling system comprises a centrifugal scheduling platform which comprises a platform plate, a supporting plate, a centrifugal machine, a grabbing unit and a pushing unit; the supporting plate is arranged on the platform plate, a guide groove is formed in the supporting plate, the guide groove is used for placing a centrifugal cup, and the centrifugal cup is used for loading a to-be-tested sample tube; the centrifugal machine is arranged below the platform plate and used for centrifuging the to-be-detected sample tube, and a sample inlet of the centrifugal machine is formed in the platform plate; the grabbing unit is arranged above the platform plate, the grabbing unit comprises a centrifugal cup grabbing hand, and the centrifugal cup grabbing hand is used for grabbing a centrifugal cup; and the pushing unit is arranged on the platform plate and used for pushing the centrifugal cup in the guide groove to move. According to the method, the sample centrifugation process can be efficiently scheduled.

The application discloses a mechanical force-amplification compression type electrically-controlled packer and a use method thereof, and relates to the field of packers, which comprises a center pipe, a locking block ring, a rubber tube and an electrically-controlled setting and releasing mechanism which are sequentially arranged on the center pipe from top to bottom; the electrically-controlled setting and releasing mechanism comprises a linear driver and a gear and rack auxiliary force-amplification component, the output end of the linear driver is connected with the input end of the gear and rack auxiliary force-amplification component, and the output end of the gear and rack auxiliary force-amplification component is in contact with the rubber tube. The application adopts a mechanical transmission mode to realize the setting and releasing of the electrically-controlled packer, and the setting and releasing only needs to control the linear driver to push out and retract, so that the control mode is simple and reliable.

The utility model belongs to circuit switch technical field discloses a kind of mechanical holding contactors, including sealed casing, static contact, moving contact, driving mechanism and mechanical holding assembly, mechanical holding assembly is located between driving mechanism and moving contact, driving mechanism can drive mechanical holding assembly from separation holding position switch to suction holding position when moving upward, moving contact and static contact contact suction, or from suction holding position switch to separation holding position, moving contact and static contact separate, after driving mechanism moves downward, mechanical holding assembly is kept in current position.The utility model position switching of mechanical holding assembly is driven and controlled by the movement of driving mechanism, it is beneficial to improve the switching reliability and switching efficiency of mechanical holding assembly, driving mechanism moves downward again after moving contact and static contact stable contact work, mechanical holding assembly is kept in current position, realize the mechanical holding of the state of mechanical holding contactor, with energy-saving and anti-vibration effect, and control mode is simple and reliable.