14results about How to "Avoid differences" patented technology

The present application relates to the technical field of casting processing device, specifically relates to a copper alloy precision casting multi-station processing device and processing mode, the processing device includes parts and multi-station fixing parts, the multi-station fixing parts include the bottom plate, the fixed plate being arranged on the bottom plate, the angular fixing assembly being arranged on the side of the fixed plate and the axial clamping assembly being arranged on the bottom plate are fixed to the multi-station fixing parts;The angular position of the part is fixed through the angular cylinder control clamping plate and convex body sliding clamping, and the axial position of the part is fixed by using the clamping cylinder, so that one-time multi-piece processing can be realized, the difference of traditional manual clamping by different operators is solved, the yield is improved, the production cycle is reduced, and the production cost is reduced.

The application relates to a hand-off detection method and device. The method comprises the following steps: acquiring a hand force torque value corresponding to a steering wheel and a response torque value; acquiring a zero offset compensation value, which is used for offsetting the influence of zero point bias of a torque sensor on a resultant torque of the hand force torque value and the response torque value; determining a target resultant torque according to the hand force torque value, the response torque value and the zero offset compensation value; judging whether the target resultant torque is greater than a first threshold value; and if not, determining that a driver has taken off the steering wheel. The scheme provided by the application can overcome the difference between different vehicles, improve the accuracy of hand-off detection, and reduce the false positive rate and the false negative rate.

The application discloses a loudspeaker and a sound production device, the loudspeaker comprising a magnetic circuit system and a vibration system. The magnetic circuit system comprises an inner magnetic circuit and an outer magnetic circuit, the outer magnetic circuit and the inner magnetic circuit are arranged in a spaced manner and enclose a magnetic gap in a spherical shape; the vibration system comprises a diaphragm and a voice coil, the diaphragm is arranged in the magnetic gap, the diaphragm comprises a plurality of vibration parts distributed in a spaced manner along an axial direction of the magnetic circuit system, the vibration parts are arranged in an extending manner along a circumferential direction of the magnetic circuit system, the vibration part comprises a first diaphragm and a second diaphragm connected and arranged in a spaced manner along the axial direction of the magnetic circuit system, and the voice coil is arranged in the plurality of vibration parts, the voice coil is used for driving the first diaphragm and the second diaphragm in each vibration part to approach or move away from each other when powered. The technical scheme of the application enables the loudspeaker to produce sound in different directions, avoids the difference in sound production effect at different positions in the circumferential direction, and thus improves the user experience of the loudspeaker.

The application relates to a clock-drawing test scoring method and device, computer equipment and a storage medium. The method comprises the following steps: inputting a clock-drawing image dataset into an FCOS network to identify handwritten numerals in the clock-drawing image dataset; performing circle detection on the clock-drawing image dataset by using a maximum connected domain algorithm to obtain a clock region; based on the identification result of the handwritten numerals and the detection result of the clock region, performing pointer detection on the clock-drawing image dataset by using an image processing algorithm to obtain a pointer image of the clock-drawing image dataset, and performing hour hand and minute hand classification on the pointer image by using a breadth-first algorithm; scoring the handwritten numeral identification result, the clock region detection result, the pointer image detection result and the hour hand and minute hand classification result according to a set scoring rule, and adding all the scoring results to generate a clock-drawing test scoring result. The application can avoid evaluation fluctuations and differences caused by subjectivity and bias of artificial evaluation.

The utility model discloses a detachable predatory mite overwintering habitat device, including the protection box, still including the fixed plate and humidification subassembly, the fixed plate is fixedly connected with the protection box inner wall, is provided with the habitat box on the fixed plate upper end, is provided with the second groove in the fixed plate upper end, the inner wall sliding of second groove is provided with the sliding block, and the first spring is fixedly connected between the sliding block and the inner wall of second groove, the buckle is fixedly connected with the sliding block upper end, is provided with the clamping groove in the habitat box lower end edge, and the humidification subassembly is arranged on the protection box upper end. The utility model discloses through the buckle of pushing habitat box and drives the sliding block to move to the inside, makes the buckle of both sides all to enter the inside of clamping groove, then through the press down habitat box of afterwards and makes the buckle with clamping groove complete adaptation, makes the buckle with clamping groove closely under the action of first spring, avoids the habitat box and appears the situation of deviation, through the press of the convex of sliding block upper end can with habitat box disassembly, thereby can conveniently maintain and adjust habitat box, improves the overwintering survival rate of predatory mite.

The invention provides a device and a method for improving the anti-interference capability of an ultra-wideband impulse fuse, and belongs to the technical field of ultra-wideband impulse fuses. The device comprises a signal transmitting module, a fuze antenna, a signal receiving module, a signal processing module and a microprocessor which are electrically connected in sequence, according to the method, a signal transmitting module radiates a pulse signal through a fuze antenna and then receives the pulse signal returned after radiation through the fuze antenna, and a detection channel and an anti-interference channel in a signal receiving module process the pulse signal; the microprocessor judges echoes output by the anti-interference channel for the pulse signals respectively so as to output starting signals of the proximity fuze, and the anti-interference capability of the ultra-wideband impulse fuze can be improved.

The embodiment of the present application discloses a kind of side bending rectification device and side bending rectification method.The side bending rectification device includes portal and side bending component.The portal is used to support plate rib.The side bending component includes multiple side bending units, multiple side bending units are spaced apart in the side of portal along first preset direction, and multiple side bending units all include jacking mechanism, clamping mechanism and pressure head mechanism, clamping mechanism is arranged in the side of pressure head mechanism, and clamping mechanism is used for plate rib clamping, pressure head mechanism is connected with jacking mechanism in the side away from clamping mechanism, and can be moved along second preset direction under the driving of jacking mechanism, wherein, first preset direction and second preset direction are not parallel to each other.The side bending rectification device can make plate rib each node can be stretched by multiple side bending units Deformation, so that plate rib overall finds deformation, to make it and preset shape mutually adapt, to improve the forming effect after welding.

The utility model provides a square battery cell stacking and extruding device which is characterized by comprising a supporting platform, a bakelite plate, cylinder bodies and a control panel, the number of the cylinder bodies is two, the two cylinder bodies are arranged at the two ends of the supporting platform respectively, the bakelite plate is arranged between the cylinder bodies, the control panel is connected with the cylinder bodies, and parameters of the cylinder bodies are adjusted through the control panel. And through an automatic and mechanical operation mode, the battery cell stacking and extruding speed is obviously improved, the labor cost is reduced, and the production period is shortened. And by accurately controlling extrusion parameters and pressure distribution, the dimensional accuracy and consistency of the battery cell are ensured, and the quality and reliability of a product are improved. The instability and the difference of manual operation are avoided, and the stability and the controllability of the production process are improved.

The invention discloses a graph neural network training method, system and device for multi-label graph classification and a medium, and belongs to the technical field of graph neural networks, and the method comprises the steps: constructing a local private graph data set of a client in federated learning; constructing a local model according to the local private graph data set, and performing fusion processing on the local model to obtain local model parameters; aggregating the local model parameters of the client to obtain a global model; and classifying the multi-label graph according to the global model. The problems that in the prior art, feature learning is not comprehensive, the universality of the graph neural network is insufficient, and a label cannot guide training of the graph neural network in a targeted mode are solved.

This specification discloses a method, device, and medium for shield tunneling efficiency control based on composite strata, relating to the field of shield tunneling control technology. The method includes: collecting real-time tunneling parameters and shield equipment parameters of a multi-mode shield tunneling machine; determining the current shield strata information of the multi-mode shield tunneling machine based on the real-time tunneling parameters; predicting the shield tunneling process of the multi-mode shield tunneling machine based on the current shield strata information and shield equipment parameters; determining the predicted muck discharge information corresponding to the current shield strata; matching the corresponding muck discharge system based on the predicted muck discharge information to determine an initial muck discharge control scheme; controlling the operation of the current muck discharge system and collecting real-time muck discharge information of the multi-mode shield tunneling machine; adjusting the initial muck discharge control scheme based on the real-time muck discharge information to generate an adjusted muck discharge control scheme; and controlling the operation of the adjusted muck discharge system by adjusting the muck discharge control scheme to achieve shield tunneling efficiency control of the multi-mode shield tunneling machine.

The application discloses a sampling device for winding sample filaments on a winding drum, comprising a supporting seat, a glue dipping assembly, an adjusting assembly and a shearing assembly; the glue dipping assembly is used for glue dipping treatment of the sample filaments; the winding assembly comprises a rotating shaft and a plurality of supporting pieces, the rotating shaft is rotationally arranged on the supporting seat, the plurality of supporting pieces are located on the circumferential outer side of the rotating shaft and can slide along the radial direction of the rotating shaft respectively, and the winding drum is sleeved on the outer side of the plurality of supporting pieces; the adjusting assembly comprises a moving piece and a plurality of connecting pieces, and drives the supporting pieces to move close to or away from the rotating shaft; the shearing assembly is arranged on the supporting seat and can slide relative to the supporting seat along the axis direction of the rotating shaft to cut the sample filaments. The sampling operation of the device is completely performed by the device, the participation of manual operation is minimized, the uniformity of the sampling process is ensured, the sampling sample is prevented from having differences due to operation differences when manual sampling is performed, and the precision of sampling is ensured.

The present application belongs to the technical field of high-temperature alloy processing, and discloses a preparation method of GH4105 alloy small-size rod, which comprises the following steps: performing one-time high-temperature homogenization treatment on a GH4105 ingot, then performing seven-time open-die forging to obtain a rod with a diameter of Φ120mm-Φ200mm; performing one-time high-temperature homogenization treatment on the rod with a diameter of Φ120mm-Φ200mm, then performing one-time rolling to obtain a rod with a diameter of Φ45mm-Φ75mm; performing one-time or two-time rolling on the rod with a diameter of Φ45mm-Φ75mm to obtain a rod with a diameter of Φ8mm-Φ33mm, and after straightening and grinding, a finished rod with a diameter of Φ5mm-Φ30mm meeting the standard requirements is obtained. The present application makes the carbide distribution more uniform and improves the mixed crystal problem, and improves the consistency and stability of the structure and performance of the rod.

The utility model relates to the technical field of water gap cutting mechanical equipment, and discloses an injection molding bottle preform tail cutting manipulator which comprises a mounting frame, the mounting frame is used for being connected with processing equipment, and the mounting frame is connected with a lifting linear module through a rotation adjusting mechanism. The rotary adjusting mechanism is used for adjusting the horizontal steering angle of the lifting linear module, a horizontal linear module is arranged on one side of the lifting linear module, the lifting linear module is used for adjusting the displacement of the horizontal linear module in the vertical direction, and the horizontal linear module is connected with the water gap cutting mechanism. A stable foundation is provided for the mechanical arm through the mounting bottom plate, impact vibration is reduced through the heightening seat, the angle can be flexibly adjusted through the rotary adjusting mechanism, the lifting linear module and the horizontal linear module are matched for accurate displacement, and multiple sets of cutter assemblies of the water gap cutting mechanism can cut materials at the same time. All the cutter assemblies work cooperatively, and the shearing effect and the yield are guaranteed.

The embodiment of the invention provides a method for determining a damage identification model, and a damage identification method and device, and relates to the technical field of artificial intelligence, and the method comprises the steps: obtaining a plurality of sample groups; for the Tth sample in the sample group, domain invariant damage features are obtained through adversarial training of a feature sub-network and a domain discriminator; determining a reference decision action based on the splicing result of the domain invariant damage feature and the historical action vector by using the strategy sub-network; determining a state value based on the splicing result and the reference decision action by using a commentator network; calculating a loss value based on a preset loss function; and adjusting parameters of a feature sub-network, a domain discriminator, a strategy sub-network and a commentator network in a preset damage identification model based on the loss values, updating T = T + 1 and historical action vectors, stopping training of the sample groups until TM, and outputting the damage identification model when training of the plurality of sample groups is finished. Therefore, the damage identification model is accurately obtained, and the structural damage can be accurately identified.