72results about How to "Automatic and accurate positioning" patented technology

The invention discloses an unbalanced ship classification method based on a deep convolutional neural network. The method comprises the steps of 1) obtaining basic data; 2) carrying out data processing; 3) constructing a model; 4) defining a loss function; 5) training a model; 6) applying the model. According to the invention, fine classification of ships and solving of the problem of unbalanced category data distribution are combined; on the basis of extracting the global features of the ship, the local features with category discrimination of the ship are introduced, so that the model learnsdetails of the ship, and the classification result is more accurate; a memory network and a fusion learning network are used for storing and emphatically learning samples which are difficult to learn; the learning of the samples is improved while the new samples are learned, the effect of rebalancing the category data distribution is also achieved, and the adverse effect on model training causedby unbalanced category data distribution in an actual scene is effectively avoided.

The invention discloses a method for automatically positioning a main transmission shaft of a finishing mill. In the method, the control speed of a main motor is calculated by using a zero position pulse of an encoder of the main motor as a positioning pulse through the difference between an actual rotation position and a target rotation position of the encoder, so that the main motor is controlled in a deceleration manner to automatically position the main shaft; therefore, the main shaft can be automatically and accurately positioned, and the improvement on roller exchange operation efficiency of the finishing mill is facilitated.

The invention changes manual operation for microscope into automatic operation. The invention includes four parts: electrical driving specimen stage, electrical driving revolving nosepiece of object lens, electrical driving focusing mechanism and control box. Automatic operation system reconstructs the specimen stage, the revolving nosepiece, and the focusing mechanism, making observation operation under object lens be changed from traditional manual operation to automatic operation. The system through step motor drives each degree of freedom to reach accuracy control. Advantages of the system are automatic intelligent operation, features of fast, accuracy and intelligence, high observation efficiency, simple structure, reliable and high level of manufacturing production.

The invention discloses a method for automatically diagnosing telemeasuring data transmission failure of a power grid energy manage system (EMS). The method comprises the steps: through monitoring each protecting/measuring intelligent electronic device (IED) of a factory station, telecontrol equipment, an exchanger and a pre-communicator of a master station in real time, after monitoring that the telemetering data value is changed, triggering the telemetering non-refreshing/jumping detection flow, detecting whether the telemetering data M2 at the telecontrol equipment side, the telemetering data M3 at the exchanger side, and the telemetering data M4 at the master station pre-communicator side of the same measuring object are normally obtained after receiving the telemetering data M1 at the IED side, and judging whether the values of the M1, M2, M3 and M4 are the same; according to the monitoring result, generating the telemetering non-refreshing/jumping pre-warning of the corresponding device; and discovering the existent telemetering non-refreshing and jumping situations in the EMS system in first time, and automatically accurately positioning the non-refreshing or jumping node. The transmission accuracy of the measuring information in the power grid EMS is ensured, and the load of the operator is greatly relieved.

The invention belongs to the technical field of digital audio signal processing, and discloses a digital audio tampered point detection method and system based on GMM-BIC. The method and system use aGMM-BIC method for digital audio tampered point detection instead of a traditional SGM-BIC method. In virtue of the characteristics of the GMM, the method and system can represent more information, and have a good representation effect on both long and short voice segments. A neural network is configured to classify fitted features to obtain a better classification effect. The method and system can automatically position the digital audio tampered points, have good adaptability, have good robustness to tampering operations of splicing close tampered points and concealing the tampered points byusing various noises, and provide a universal algorithm for the accuracy and the automation of digital audio tampered point detection.

The invention discloses a fingerprint module testing platform. By pushing and blocking materials, when the entire fingerprint module is transported to the positioning platform, the entire fingerprint module can be resisted by the baffle at the front end and continue to be transported forward. , push the entire fingerprint module to the position corresponding to the probe bottom plate through the push plate on the side, so as to automatically and accurately locate the fingerprint module; when one or several fingerprint modules are detected as defective products , the motor starts to drive each cylinder to move to the top of the fingerprint module on the whole board, and the cylinder above the corresponding defective product starts to drive the marking pen to mark the mark on the corresponding fingerprint module, then the cylinder drives the marking pen to retract, and the motor drives Each cylinder is retracted, so that automatic marking of bad fingerprint modules can be realized, labor is saved, and the detection efficiency of fingerprint modules is improved.

The invention relates to a full-automatic efficient autoclaved aerated concrete block mold stripping device, and belongs to the technical field of aerated brick production devices. The full-automaticefficient autoclaved aerated concrete block mold stripping device comprises a rack, a travelling trolley arranged at the top of the rack, and supporting frames arranged at the bottom of the rack and parallel to each other, wherein a positioning mechanism for automatically positioning the travelling trolley is arranged at the top of the rack, a clamping mechanism for clamping a mold is arranged between the supporting frames, and a driving mechanism for driving the clamping mechanism to slide in the vertical direction is arranged at the top of the rack. According to the full-automatic efficientautoclaved aerated concrete block mold stripping device, the automatic precise positioning function can be realized, so that the clamping mechanism can precisely align the position of the mold, and the time for aligning the mold by the clamping mechanism is greatly reduced.

The invention relates to a hydraulic stop iron mechanism of a cutting device, which comprises a stop iron, an upper end cover, locking nuts, a piston rod, a lower end cover, a pull rod, a fixing nut, a cylinder barrel and sealing members, and also comprises a change valve, a check valve, an adjustable restrictor valve and the like. The upper end cover, the cylinder barrel and the lower end cover are connected by the pull rod and are fixed by the locking nuts, the piston rod passes through the upper end cover and is arranged in the cylinder barrel; the stop iron and the piston rod are screwed and locked by the locking nuts; the piston rod, the upper end cover and the cylinder barrel are in sliding fit and the piston rod is provided with the sealing members; the cylinder barrel, the upper end cover and the lower end cover are in transition fit and the cylinder barrel is provided with the sealing member; the upper end cover is provided with an oil hole communicated with an oil outlet of the change valve, the check valve is connected in parallel with the adjustable restrictor valve, an oil outlet of the check valve is communicated with an oil hole on the lower end cover, and an oil inlet is communicated with the other oil outlet of the change valve. The invention can be automatically and accurately positioned through a hydraulic system without manual adjustment, saves time and labor, and improves the working efficiency.

The invention provides a printing display-oriented printing height control system and method. The printing display-oriented printing height control system comprises a spray head lifting module, a substrate fixing module, a first sensor, a second sensor, a sensor controller and a motion driving controller; the spray head lifting module comprises a spray head, a spray head clamping device and a lifting mechanism; the substrate fixing module is arranged below the spray head lifting module and comprises an adsorption platform; the first sensor and the second sensor are used for detecting the real-time distance between a nozzle and a substrate and generating a first detection original signal and a second detection original signal; the sensor controller is used for acquiring the first detectionoriginal signal and the second detection original signal and sending the first detection original signal and the second detection original signal to the motion driving controller through signal processing and correction operation; and the motion driving controller is used for carrying out full-closed-loop control and driving on the lifting mechanism. According to the printing display-oriented printing height control system and method, the printing height control system and the two sensors are arranged in a combined mode, measured values of the multiple detected objects are corrected, the height or position relation is established, and non-contact self-adaptive printing height positioning control can be better achieved.

The invention discloses an automatic overedging machine for an anchor net, comprising a base, a worktable, a limiting device, an overedging mechanism, a compressing device and a hydraulic device. Theworktable is arranged on the base, the limiting device is fixedly arranged on the end part of the worktable and used for positioning the anchor net to be overedged in a correct overedging position, the overedging mechanism is rotatably arranged on the limiting device and used for overedging the anchor net, the compressing device is arranged above the worktable and used for compressing the overedged anchor net, and the hydraulic device is fixedly arranged on the side part of the worktable and drives the overedging mechanism and the compressing device. The invention further discloses a working method of the automatic overedging machine for an anchor net. The automatic overedging machine for an anchor net can be used for automatic and correct positioning and overedging as well as compressing,is high in automatic degree and is suitable for different anchor nets, can effectively overedge the anchor net, and ensures the overedging quality. The production efficiency is improved, the structure is simple, the operation is simple and convenient and the universality is high.

The invention relates to an open-end rotor spinning device (3) with a spinning rotor (19) which can be driven by a single motor, the rotor assembly (17) of which rotates in a rotor housing (10) which can be pressurized and which is driven by a drive (21) for the spinning rotor (19) and bearing arms (27) ) is connected to a cover element (22) having a fiber band dissolving device (30), and which comprises a part of a centering device (40), wherein the forwardly open rotor housing (10) is closed by the cover element (22) during the spinning process , which in turn has a receptacle (23) for a replaceably arranged channel plate adapter (24). According to the invention, the centering device (40) is formed by a guide surface (36) arranged on the channel plate adapter (24), as well as a guide device (31) arranged on the rotor housing (10), wherein the guide surface (36) arranged on the channel plate adapter (24) Closing state of the open-end rotor spinning device (3) in a form-fitting manner with the guide device (31) arranged on the rotor housing (10).

The invention discloses a mechanical arm based on a pneumatic control surface and a working method of the mechanical arm, relates to the field of butt joint of aerospace crafts, can be suitable for various air butt joint operations, is high in control response speed and accurate in butt joint, improves the safety and reliability of air butt joint, and meanwhile improves the butt joint efficiency.The mechanical arm comprises a rigid pipe system, an angle sensor and an operation end. The rigid pipe system is formed by sequentially and movably connecting a plurality of rigid pipes, the control surfaces are installed at the tail ends of part of the rigid pipes, and the control surfaces are at least two of elevators, rudders and rolling rudders. An angle sensor is arranged at the joint of therigid pipes. One end of the rigid pipe system is movably connected with the operation machine, and the other end is provided with a working end which is an oil conveying port or a butt joint lock catch. According to the invention, maneuvering actions of a butt joint aircraft are effectively reduced, and the butt joint safety and reliability are improved. The mechanical arm is applied to aerial refueling and material supply, a complex mechanical structure is not needed, control force is generated by controlling the control surface, mechanism movement is controlled, and then the effect similar to that of a mechanical arm is achieved.

The invention discloses anti-theft well lid automatic machining equipment and relates to the technical field of grinding machining. The anti-theft well lid automatic machining equipment comprises a cutting unit, a supporting unit and a feeding and discharging unit. The feeding and discharging unit comprises a driving mechanism, feed guide rails and a moving stand column. The lower end of the moving stand column is in sliding fit with the feed guide rails. The upper end of the moving stand column is provided with a feed cross beam. The lower side of the feed cross beam is provided with a material taking device. The material taking device comprises a sliding support in sliding fit with the feed cross beam. A lifting mechanism is arranged on the sliding support. The lower end of the lifting mechanism is provided with an electromagnetic chuck. The lifting mechanism drives the electromagnetic chuck to move up and down. A workbench comprises a concave table board and locating electromagnetsarranged below the concave table board. The middle portion of the upper end face of the concave table board is sunken downwards to form a working position for storing a workpiece. Under attraction ofthe locating electromagnets, the workpiece slides to a limiting position. The anti-theft well lid automatic machining equipment can automatically complete material taking, locating, grinding, discharging and other working procedures and is stable and accurate in workpiece operation and small in assembly space.

The invention relates to a forward pushing mechanism for an annular stacking three-dimensional garage parking and picking trolley. The system is characterized by comprising a plurality of parking platforms and at least one pair of jacking platforms, wherein the parking platforms are arranged on parking spaces, an entrance parking space or an exit parking space; supporting platforms of the parking platforms are provided with comb-like supporting components A for supporting front and rear wheels of an automobile respectively; the jacking platforms are arranged on the three-dimensional garage parking and picking trolley and are both provided with a pair of comb-like supporting components B capable of being matched with the comb-like supporting components A and a forward push driving mechanism for driving the comb-like supporting components B to move. The mechanism has the advantages that the automobile is pushed to move transversely under the driving of the forward push driving mechanism on the jacking platforms when the automobile is stopped and positioned in the three-dimensional garage, so that the automobile can be automatically and accurately positioned, and a driver does not need to repeatedly adjust the automobile to a central position of the parking platform; the requirements on automobile movement proficiency of drivers are reduced and the average consumed time for parking is shortened.

The invention relates to the technical field of bearing performance tests, and discloses a high-precision thrust ball bearing multi-parameter test platform capable of conveniently disassembling and assembling a sample. The platform comprises a measurement and acquisition module, a power module and a loading module; the measurement and acquisition module comprises a sample cavity, a compatible fixture mechanism and a signal acquisition module; the compatible clamp mechanism and the signal acquisition system are installed in the sample cavity, the upper end of the sample cavity is connected withthe power module through a connecting shaft, and the lower end of the sample cavity is connected with the loading module through a loading base. According to the invention, a worm and gear adjustingmechanism is designed, so when different types of thrust ball bearings are tested, a clamp device does not need to be replaced and disassembled, and automatic and accurate positioning of the sensor isrealized; the synchronous high-precision measurement of normal loading and friction torque borne by the thrust ball bearing to be measured can be realized through the six-axis sensor; multi-parameteracquisition is realized, and the defect that the research parameters of the bearing experiment device are single is overcome.

The invention discloses an automatic zoning plate falling prevention suction cup device. The device comprises a transmission mechanism and a suction cup module; the suction cup module comprises a base plate, a transverse suction set, a longitudinal suction set and movable suction sets, and the transverse suction set and the longitudinal suction set are fixed to the base plate; the base plate is provided with a transverse guide rail and a longitudinal guide rail, the transverse guide rail and the longitudinal guide rail are in sliding connection with sliding blocks respectively, the movable suction sets are installed on the sliding connection blocks of the transverse guide rail and the sliding connection blocks of the longitudinal guide rail respectively, and a suction cup area is formed through mutual cooperation of the transverse suction set, the longitudinal suction set, the movable suction set of the transverse guide rail and the movable suction set of the longitudinal guide rail. The invention relates to a control method of the automatic zoning plate falling prevention suction cup device. According to the control method, accurate grabbing is achieved by inputting the size of a printed circuit board through an upper computer, the interval can be adjusted in a stepless mode, the device adapts to the specifications of most printed circuit boards, human intervention is reduced, and the automatic wiring efficiency of an exposure machine is improved.

The invention discloses a fingerprint module automatic marking device, which comprises a fixed base, on which a conveying component, a positioning component, a translation mechanism and an ink cartridge bracket are arranged, and a dotting component is arranged on the translation mechanism, and the conveying component is used to transport the fingerprint mold group; the positioning component is located in front of the translation mechanism, and is used to position the fingerprint module delivered by the delivery component; the translation mechanism includes a slide rail arranged on the base, a slider connected to the slide rail, and drives the slider along the slide rail The moving motor; the dotting component is used to mark the fingerprint module on the positioning component. The fingerprint module automatic marking device of the present invention can automatically load and unload materials and can automatically locate the delivered full-board fingerprint modules, and can adapt to the use of full-board fingerprint modules of different sizes; When it comes to a bad fingerprint module, it will automatically move to the top of the fingerprint module and automatically mark the defective products.

The invention discloses an anchor net positioning and edge holding device. The device comprises a base, a workbench, a positioning device, a edge holding mechanism, a pressing device and a hydraulic device; the workbench is arranged on the base, and the positioning device is arranged on the workbench, and is used for enabling the anchor net to be subjected to the edge holding to be positioned at acorrect holding position; the edge holding mechanism is rotationally arranged at the end of the workbench, is used for carrying out edge holding for the anchor net, and the pressing device is arranged above the workbench, and is used for pressing the anchor net after the edge holding; and the hydraulic device is arranged on the side part of the workbench, and the edge holding mechanism and the pressing device are driven. The invention further discloses a working method of the anchor net positioning and edge holding device. The device can be used for automatically and accurately positioning, holding edges and pressing, and is high in automation degree, and is suitable for different anchor nets; the anchor net can be effectively subjected to the edge holding, so that the quality of the edgeholding is guaranteed, and the production efficiency is improved; and the structure is simple, the operation is simple and convenient, and the universality is high.