28results about How to "Does not affect accuracy" patented technology

The application provides a detection method and a carrying device. The method comprises the following steps: generating a first point cloud set based on a first preset pose of a target object and a preset template point cloud set; moving the carrying device according to the first preset pose to enable a detection device to collect a second point cloud set of the target object; registering a first point cloud of the first point cloud set and a second point cloud of the second point cloud set to obtain a second point cloud matched with the first point cloud; generating a third point cloud set and a fourth point cloud set respectively according to a plurality of matched first point clouds and second point clouds; calculating a translation vector and a rotation matrix based on the third point cloud set, the fourth point cloud set and a preset solving function; and transforming the first preset pose according to the translation vector and the rotation matrix to obtain a target pose of the target object. Since the second point cloud set necessarily contains an accurate second point cloud, the translation vector and the rotation matrix can be accurately calculated through the registered first point cloud and the second point cloud, so that the target pose of the target object can be accurately detected.

The application discloses a light-proof flow cell and relates to the field of particle counter accessories, which comprises a first shell and a second shell, flow holes are formed in the first shell and the second shell, a wear-resistant light-blocking layer is arranged between the first shell and the second shell, a plurality of first plug-in holes are formed in the second shell, and a plurality of corresponding first plug-in columns are arranged in the plurality of first plug-in holes. The first shell and the second shell are made of quartz diamond material, and the hardness is high, so that the contact with the detection liquid is diamond material, the wear resistance can be improved, the first plug-in hole and the first plug-in column are arranged at four corners and are matched, and the butt joint precision is improved, so that the grinding effect of the flow holes by the grinding liquid can be effectively reduced, the phenomenon that the pore size of the flow cell becomes large can be avoided, and therefore the accuracy is not greatly affected during counting, and the stability during use and the counting accuracy are improved.

This invention discloses a bending fatigue enhancement structure for flat cables, relating to the field of flat cable technology. It includes a wear-resistant outer sheath, a flexible skeleton, an elastic inner liner, and a composite conductor bundle. The wear-resistant outer sheath covers the flexible skeleton, with bending stress cores at the outer ends. The flexible skeleton is internally covered by an elastic inner liner, which contains two spaced-apart composite conductor bundles. The flexible skeleton has grooves filled with an anti-oxidation coating layer, within which the bending stress cores are fixed. The interior features stress-dispersing adhesive grooves intersecting with the grooves, and high-toughness reinforcing ribs with abrasion-resistant protective sleeves are installed at the four corners. The elastic inner liner has a water-blocking tape wrapping layer on its outer side and a flame-retardant isolation layer inside. The composite conductor bundles are wrapped with cable core fixing rings and an electromagnetic shielding layer. This structure, through multiple stress dispersion, protection, and positioning designs, significantly improves the cable's bending fatigue resistance, ensuring stable transmission and safe operation, and is suitable for high-frequency bending scenarios.

This application relates to a data storage method, apparatus, vehicle, electronic device, and storage medium. The method includes: determining the computation order of N operators included in a neural network; determining M operators from the N operators based on the computation order; calculating the i-th operator among the N operators according to the computation order to obtain the output of the i-th operator; if the i-th operator is one of the M operators, then saving the output of the i-th operator to a first type of storage space, wherein the output of the i-th operator saved in the first type of storage space cannot be deleted after calculating the (i+1)-th operator but before calculating the k-th operator; if the i-th operator is not one of the M operators, then saving the output of the i-th operator to a second type of storage space, wherein the output of the i-th operator saved in the second type of storage space can be deleted after calculating the (i+1)-th operator. This method can solve the problem of excessive memory consumption during the computation of a neural network model.

This utility model discloses a material shortage detection device for a slitting machine, mainly relating to the field of slitting machine feeding. It includes a feeding platform for placing pads, with the pads stacked on the platform. A detection block is located below a through hole, and a sliding column is vertically slidably connected to the detection block. A roller is rotatably connected to the top of the sliding column, passing through the through hole and rolling into contact with the bottom of the lowest pad. A return spring is provided between the sliding column and the detection block. A pressure sensor is installed on the detection block, and a protrusion on the sliding column cooperates with the pressure sensor. An alarm is installed on the feeding platform, and the pressure sensor is electrically connected to the alarm. The advantages of this utility model are: it solves the technical problems of high failure rate and insufficient accuracy of existing material shortage detection devices; it promptly issues an alarm when the pads are depleted, thus reminding the operator to replenish the material; and it is not easily affected by impurities and residual glue, ensuring the accuracy of material shortage detection and greatly reducing the failure rate.

The application discloses a large-capacity rotating hook, which is characterized in that an outer diameter of a first circular surface at a thread passing area of a hook frame is 1.0 times of that of a guide rail, and the first circular surface is concentric with the outer periphery of the guide rail. The thread is hooked by a hooking tip and is tightly wound on the thread passing area of the hook frame. The first circular surface of the thread passing area has an outer diameter of 1.0 times, and is concentric with the outer periphery of the guide rail. The thread demand in the winding stage is 1.0 times of the normal preset amount of the existing 1.0 times rotating hook, and the tension of the thread cannot be increased. On this basis, a multiplied inner hole cavity with an inner diameter of more than 1.0 times of a proper multiple is arranged, so that a bobbin with a larger thread capacity is installed and accommodated, and the thread capacity of the bobbin is improved. The application can increase the capacity of the inner cavity of the hook frame. In sewing and embroidering, the thread is wound on the corresponding position of the hook frame, the required amount of the thread is a standard normal thread amount, and the thread is released and recovered with a normal tension, so that the precision of sewing or embroidering cannot be affected.

The application relates to the technical field of flatness testing of air compressor parts, and discloses an isohypse detection device for air compressor machining parts, the upper end of a bottom plate body is provided with rotary driving mechanisms, two groups of part fixing mechanisms capable of being automatically adjusted to a horizontal state are arranged between the rotary driving mechanisms, the side of the rotary driving mechanism is provided with a limiting mechanism capable of locking the part fixing mechanism being detected, a horizontal driving mechanism is arranged on the bottom plate body, one side of the horizontal driving mechanism is provided with a vertical adjusting mechanism, and one side of the vertical adjusting mechanism facing the part fixing mechanism is provided with a laser measuring mechanism. The application can not only test the flatness of the parts through the two part fixing mechanisms, but also adjust the height of the laser measuring mechanism through the vertical adjusting mechanism, so that the parts with different thicknesses can be tested, and the laser measuring mechanism can be driven back and forth by the driving motor two for testing.

The invention relates to a KASP-SNP molecular marker primer for identifying modern Chinese rose varieties, a composition and application of the KASP-SNP molecular marker primer and the composition. The molecular marker primer comprises KASP-SNP1-KASP-SNP35, and nucleotide sequences of the KASP-SNP1-KASP-SNP35 are shown as SEQ ID NO.1-105. On the basis of whole genome re-sequencing data, 35 high-polymorphism SNP loci are screened out, specific primers are designed, fluorescence signals of a sample to be detected are detected through a KASP technical platform, genotypes can be automatically interpreted, and a DNA fingerprint spectrum unique to varieties can be constructed. The marking system has the advantages of high flux, strong specificity, objective and stable result, no environmental influence and the like, and can be used for precise identification of modern Chinese rose varieties, genetic relationship and genetic diversity analysis, DUS test assistance and molecular marker-assisted selective breeding.

The invention discloses a particle classification and size measurement method and device based on interference imaging and improved UNet + + +, and belongs to the field of particle measurement and image processing. The method comprises the following steps: acquiring a spherical particle interference fringe pattern and an irregular particle interference speckle pattern, and constructing a data set containing a mask pattern and a category label; dividing into a training set, a verification set and a test set; the training set is used for training a pre-constructed neural network model, the pre-constructed neural network model takes an original UNet + + + network as a basis, a space and channel attention module, a frequency domain dynamic convolution unit and a multi-axis Hadamard convolution attention module are introduced, and the network is trained to output a reconstructed image and a category label at the same time; and inputting a to-be-measured particle image into the trained network, outputting a particle category and a reconstructed image, and measuring the reconstructed image to obtain size information. According to the method, high-precision, real-time and end-to-end prediction of particle types and sizes is realized, and the method is suitable for a mixed scene of spherical droplets and irregular ice crystals in cloud.

The invention discloses a low-power-consumption high-speed two-stage dynamic comparator for an analog-to-digital converter, relates to the technical field of integrated circuits, and aims to solve the problems that a traditional dynamic comparator is high in power consumption, limited in speed and uncontrollable in balance between offset voltage and performance. The comparator comprises a two-stage dynamic structure of a pre-amplification stage and a latch stage, wherein the pre-amplification stage takes a PMOS transistor as an input tube and is matched with an NMOS switching tube and a PMOS active load tube to realize preliminary amplification of an input differential signal; the latch stage adopts a PMOS latch structure instead of a traditional NMOS latch structure. And through two paths of delay controllable clock signals (clkb1 and clkb2), the latch stage is controlled to be activated in a delayed manner after the preamplifier stage works for a preset time, and meanwhile, a current source of the preamplifier stage is closed when the latch stage is activated. By adjusting latch level delay time, offset voltage, power consumption and speed can be flexibly balanced, performance requirements of different analog-to-digital converters are met, and the analog-to-digital converter is suitable for scenes such as portable equipment, communication systems and the like with high requirements on energy efficiency and speed.

The application belongs to the technical field of plankton algae collection, and discloses a plankton algae collection device, which comprises a floating plate, the top end of the floating plate is fixedly connected with a ship body, the rear side of the ship body is fixedly installed with a reset spring, the front side of the reset spring is fixedly installed with a moving rack, the left side of the moving rack is fixedly connected with a moving plate, the rear side of the ship body is fixedly installed with a fixed spring assembly, the front side of the fixed spring assembly is fixedly connected with a collection assembly, the bottom end of the collection assembly is fixedly connected with a conical pressing rod, and the rear side of the ship body is fixedly connected with a piston cylinder. The plankton algae in the water body is collected in different depths in a segmented manner, and the plankton algae at different depths is classified and stored automatically, so that the plankton algae at different depths is prevented from mixing together, the current plankton algae situation at different depths in the water area is more accurately reflected, and subsequent observation, experiment and the like are more rigorous.

A seven-dimensional force-sensing surgical instrument for robot-assisted laparoscopic surgery belongs to the field of medical devices. It includes a clamp, a six-dimensional force / torque sensor, a clamping force detection unit, a wrist mechanism, an instrument shaft and connecting mechanism, a transmission mechanism, a quick-connect mechanism, and a drive unit. The six-dimensional force / torque sensor and clamping force detection unit are installed at the rear end of the clamp and the front end of the wrist mechanism. Accurate sensing of six-dimensional external forces / torques and clamping forces is achieved through decoupling pulleys in the clamping force detection unit and signal compensation from the host computer software output. The instrument shaft and connecting mechanism are installed at the rear end of the wrist mechanism and the front end of the transmission mechanism. The rear end of the transmission mechanism is installed at the front end of the quick-connect mechanism, and the rear end of the quick-connect mechanism is installed at the front end of the drive mechanism. This invention achieves four degrees of freedom—roll, pitch, yaw, and clamp opening / closing—through wire transmission.

This utility model belongs to the technical field of drain racks, specifically relating to a container drain rack. The utility model includes: a water collection tray; a support frame disposed on one side of the water collection tray; a hanging bracket, the rear section of which is hinged to the support frame; the middle section of which is connected to the support frame via a limiting component; and several slots on the front end face of the hanging bracket; a bottle holder, the rear end of which has a retaining plate that fits into the slots. This utility model addresses the technical problem that existing drain racks with internal support frames easily contaminate clean containers.

A kind of tow positioning method and system based on extended Kalman filter, the positioning information of tractor is used to initialize the positioning vector of tow, the inertial navigation information of tow is used to predict the positioning vector of next time point of the tow in combination with motion model;Using the positioning information of tractor, the predicted positioning vector of the tow is corrected using extended Kalman filter algorithm, complete the whole positioning process, scheme is easy to implement, process is simple, without additional installation other sensors, cost is lower.

The application discloses a service arbitration processing method and device, electronic equipment and a storage medium. The service arbitration processing method provided by the application comprises the following steps: a token counter is arranged between an arbitrator and each user terminal, a service arbitration request is sent to the arbitrator by the corresponding token counter when the user terminal has a service arbitration demand, and one token in the token counter is reduced when the arbitrator completes authorization corresponding to the service arbitration request. The continuity of service request authorization can be further ensured when a single service request bursts, the total delay required for processing arbitration can be greatly reduced, and the service arbitration processing efficiency is improved.

The invention discloses a calibration device for metering of a digital meter, which belongs to the technical field of digital meter measurement and comprises a calibration source, a logic switch array and a control unit. The calibration source outputs multiple paths of electric signals containing resistance, voltage and current signals, an input interface of the logic switch array is electrically connected with an output port of the calibration source, multiple groups of channels of an output interface of the logic switch array are respectively connected with different digital multimeters, and the control unit controls channel switching of the logic switch array; a plurality of negative temperature coefficient thermistors which are connected in parallel can be arranged and are used for buffering protection of the current signal branch; the logic switch array is a small-size high-parameter relay group and adapts to the large-current output requirement through multi-channel parallel shunting. According to the invention, repeated manual plugging and wiring are not needed, automatic parallel calibration of a plurality of meters can be realized, the metering efficiency is remarkably improved on the premise of ensuring the calibration accuracy, the volume is compact, the portability is high, and the metering requirements of a plurality of meters on site can be effectively met.

The utility model relates to the technical field of supports for doctors in the brain tumor department, in particular to a support device for the doctors in the brain tumor department, which comprises a cylindrical support and a tray. Through the arrangement of the adjusting structure, the situation that the height of a traditional medical instrument placing box cannot be adjusted is changed, so that medical tools placed in the medical instrument placing box can be conveniently taken by a doctor, the lantern ring is arranged on the cylindrical support in a sleeving mode and can be adjusted, and the medical instrument placing box is convenient to use. When a lantern ring is pressed or lifted upwards, the lantern ring pushes a clamping ball and extrudes the clamping ball, the clamping ball shrinks into a first mounting hole when being extruded, and when the clamping ball moves to the position of a clamping hole in the lantern ring, the clamping ball can pop out to be clamped in the clamping hole under the elastic effect of a first spring; and when the position of the lantern ring needs to be adjusted again, the two clamping balls are pressed at the same time so that the two clamping balls can be contracted to the inner side of the lantern ring.

The utility model discloses a mainboard FCT testing device comprising a workbench, the surface of which is provided with a fixing mechanism used for fixing a mainboard, and the surface of which is provided with a pressure groove; the testing device further comprises a supporting mechanism and a testing mechanism. The supporting mechanism is used for supporting the testing mainboard. The testing mechanism is used for performing an FCT test on the mainboard, the testing mechanism comprises a testing part and a driving part, the testing part is in transmission connection with the output end of the driving part, a limiting piece is arranged on the testing part, and the limiting piece is used for performing displacement limitation on the testing part; the fixing mechanism is arranged on the surface of the workbench, the mainboard is effectively fixed through the fixing mechanism, displacement of the mainboard in the testing process is avoided, meanwhile, after the mainboard is tested, displacement of the mainboard is limited through the fixing mechanism, the mainboard is prevented from popping up in the resetting process, damage to the mainboard is avoided, and the mainboard testing efficiency is improved. And the test precision is not influenced.

The utility model discloses a ship pipeline welding centering device, and belongs to the technical field of welding auxiliary equipment. Comprising a clamping cylinder, a clamping plate, a pressing block and a centering column. The clamping cylinder is arranged on the outer side of the fixing pipe, the clamping plate is arranged on the side face of the clamping cylinder in a sliding mode, and the clamping plate is fixedly clamped to the fixing pipe connected to the ship equipment; a welding pipe to be welded with the fixed pipe sleeves the centering column, the welding pipe is in butt joint with the fixed pipe, and the centering column is inserted into the fixed pipe; a pressing block capable of enabling the welding pipe and the fixing pipe to be in butt joint and pressed is fixedly connected with the clamping cylinder, and the pressing block is fixedly connected with the centering column. Accurate centering of the welded pipe and the fixed pipe is rapidly achieved through the centering column, meanwhile, the welded pipe and the fixed pipe can be kept in an integrated state after centering, the centering accuracy is not affected by ship shaking, and no connection trace is left on the fixed pipe and the welded pipe after welding is finished.

This application relates to the field of infrared temperature measurement technology and provides a detachable infrared temperature measurement device for GIS (Gas Insulation System). The device includes a tank flange, an observation window flange, a sensor mounting flange, an infrared glass window, an infrared temperature sensor, and a rainproof and dustproof cover. The observation window flange is fixed to the tank flange and is equipped with a first sealing ring. The observation window flange has a glass window mounting groove, and the infrared glass window is placed in the glass window mounting groove. A second sealing ring is provided between the infrared glass window and the tank flange, and a third sealing ring is provided between the infrared glass window and the glass window mounting groove. The sensor mounting flange is fixed to the observation window flange. The infrared temperature sensor is fixed to the sensor mounting flange. The rainproof and dustproof cover is fixed to the observation window flange and is equipped with a fourth sealing ring. This application allows for flexible disassembly and assembly, with independent installation of components and sealing rings between components. This enables the infrared temperature sensor to be maintained while the GIS tank is operating normally, and the rainproof and dustproof cover effectively isolates it from rain and dust.

The utility model provides a coating machine die head and a coating machine. The coating machine die head comprises a main body part, the main body part is provided with a cavity, a coating runner and a feeding runner, the cavity is used for containing slurry, the inlet end of the coating runner is communicated with the top of the cavity, the coating runner extends longitudinally, the outlet end of the coating runner is located at the bottom of the main body part, and the feeding runner is communicated with the cavity and used for inputting the slurry into the cavity. According to the utility model, the problem of pressure loss of the die head of the double-sided coating machine in the prior art is solved.

The present application relates to a method and apparatus for optimizing a neural network model execution strategy. A method for optimizing a neural network model execution strategy is disclosed, comprising: receiving a neural network model, the neural network model comprising a plurality of nodes, wherein each node corresponds to at least one operation layer of the neural network model; identifying data dependency relationships between the nodes; determining constraint conditions for a plurality of node execution orders based on the identified data dependency relationships between the nodes; performing at least one search algorithm to determine possible candidate node execution orders based on satisfying the constraint conditions for the execution orders; estimating storage requirements related to execution of the plurality of nodes of the neural network model based on each candidate node execution order; selecting a node execution order from the candidate node execution orders based on the estimated storage requirements related to each candidate node execution order and according to a predetermined memory usage efficiency indicator, wherein changing the node execution order can change a time at which a corresponding output of one or more nodes of the plurality of nodes of the neural network model resides in a memory during execution of the neural network model; and outputting the selected node execution order of the neural network model.

The utility model relates to environmental monitoring technical field discloses gas sampling pipe automatic back suction leakproof structure, including the pipe body, the outside rear side of connecting ring is the inside fixed connection of pipe body has the butt joint ring, the outside rear side fixed connection of connecting ring has a plurality of guide posts, a plurality of the outside rear side fixed connection of guide post has the connecting block, the outside of a plurality of connecting blocks is the outside rear side fixed connection of butt joint ring has the movable ring, the outside front side of movable ring is the outside rear side fixed connection of being close to butt joint ring has a plurality of clamping post, the outside adjacent side of movable ring and butt joint ring all is fixedly connected with the sealing ring, in the utility model, the automatic opening and closing of movable ring are realized through the guidance of guide post and spring, ensure that gas is extracted into high efficiency while preventing leakage effectively, its design not only reduces the operation complexity, also provides reliable stable gas sampling performance.

A counter-force plate for field detection of tensile bonding strength belongs to the technical field of external wall insulation board bonding strength detection auxiliary equipment and comprises two resistance plates, a telescopic switching mechanism is mounted between the two resistance plates, L-shaped clamping plates are fixedly mounted on the lower surfaces of the resistance plates in a front-back symmetry manner, and the four L-shaped clamping plates are oppositely arranged. In practical application, the anti-blocking plate can replace an external wall thermal insulation material to be in contact with a frame body of a drawing instrument, lateral force parallel to a bonding surface can be prevented from being generated in the whole detection process, and it is ensured that the accuracy of a detection result is not affected. Besides, through cooperative cooperation of the telescopic switching mechanism and the four L-shaped clamping plates, stable attachment of the resistance plate and the external wall thermal insulation material can be achieved, so that the stability of the resistance plate during detection is ensured, and the detection effect is ensured.

The utility model relates to the technical field of oral and maxillofacial surgical navigation, in particular to a binocular optical surgery positioning and navigation device, which comprises a binocular host, a quick-connecting bump and an infrared-transmitting protective window, the quick-connecting bump is arranged on the binocular host, the quick-connecting bump is opposite to the position of the binocular host, and the infrared-transmitting protective window is arranged on the quick-connecting bump. And the infrared-transmitting protection window rotates when being aligned with the quick-connecting convex block, so that the infrared-transmitting protection window and the quick-connecting convex block are detachably locked. According to the binocular optical operation positioning and navigation device, a quick disassembly and replacement mode is adopted to replace a traditional wiping mode, the overall positioning accuracy cannot be affected, and the binocular optical operation positioning and navigation device is better suitable for oral cavity operations which are prone to pollution; oral surgery easy to pollute comprises complex tooth extraction surgery, alveolar process dressing surgery, bone increment surgery, implant implantation surgery and the like in alveolar surgery.

The invention provides a method for determining the concentration of ibrutinib in a plasma sample. According to the method, a precipitated protein pretreatment method is preferably adopted, ibrutinib-d5 is taken as an internal standard, a Venusil MP C18 (2) chromatographic column is adopted as a chromatographic condition, an aqueous solution containing 0.2% of formic acid and 5 mM of ammonium acetate and acetonitrile containing 0.2% of formic acid are taken as mobile phases for isocratic elution, and electrospray ionization source tandem mass spectrometry is adopted for detection. Compared with the prior art, the method has the characteristic of simple and convenient pretreatment operation, the extracted sample is easy to store, the analysis speed is high, and the method is suitable for large-scale clinical research sample analysis; the method has higher sensitivity, can meet the application of ibrutinib with a smaller dosage, and is particularly suitable for detecting ibrutinib in a hemolysis sample.

The utility model discloses a pressure test device for a mobile pressure vessel, which relates to the technical field of pressure vessel pressure test, and comprises a device main body, the bottom of the device main body is provided with a support assembly, and the upper end of the device main body is provided with a control cabinet, a placement seat and a handle; according to the pressure resistance testing device for the movable pressure vessel, the supporting assembly is arranged at the bottom of the device body, when the device body needs to be stably supported, four sets of driving motors are controlled to be started at the same time, a driving gear is driven to be engaged with a driven gear, and then a threaded rod is driven to rotate along the interior of a threaded groove; the supporting legs descend along the interiors of the adjusting grooves, when the device body is jacked up, the universal wheels are separated from the ground, and the output ends of the corresponding electric push rods are controlled to drive the positioning pins to be inserted along the interiors of the positioning grooves, so that the supporting legs are positioned, the device body is stably placed, and shaking of the device body is avoided.

The disclosure provides a method and device for detecting the appearance of a cigarette package and a computer readable storage medium, and relates to the technical field of cigarette package detection. The method comprises: acquiring one or more types of image features of an image of the cigarette package; determining a score corresponding to each type of image feature according to the difference between each type of image feature and a corresponding reference feature; if the score is greater than or equal to a corresponding threshold, determining that the type of image feature corresponding to the score is normal; if the score is less than the corresponding threshold, determining that the type of image feature corresponding to the score is abnormal; if each type of image feature of the image is normal, determining that the image has no defects; and if at least one type of image feature of the image is abnormal, inputting the image into a machine learning model to obtain a defect type of the cigarette package.