89results about How to "Fix articulation issues" patented technology

The invention discloses a bendable steering endoscope which comprises a handle and a guide pipe, wherein the handle is equipped with a central through hole, the guide pipe is provided with a steering passage and a working passage, the steering passage is provided with a steering steel wire, the handle is provided with a sliding block, the inner end of the guide pipe is fixedly connected with the central through hole of the handle, the working passage positioned at the inner end of the guide pipe is connected with the pipeline in the central through hole of the handle, the outer end of the guide pipe is provided with a protective metal sleeve, the steering passage in the guide pipe is provided with a positioning sleeve pipe, an elastic pipe is arranged in the guide pipe arranged between the positioning sleeve pipe and the protective metal sleeve, the steer steel wire penetrates through the positioning sleeve pipe and the elastic pipe, one end of the steer steering wire is fixedly connected with the protective metal sleeve and the other end is fixedly connected with a sliding block. The invention has simple operation, can accurately control a steering angle, realized the steering in a total range with a 360 degree visual angle, and completely eliminates dead angle, thereby bringing guarantee to the operation safety.

The invention relates to a material picking mechanism of an injection molding product feeder, and particularly relates to a material picking mechanism of an injection molding product feeder. The material picking mechanism of the injection molding product feeder comprises a translation device, a lifting device and material picking devices, wherein the translation device has a horizontal moving function; the lifting device has an up-down lifting function; the material picking devices have a material picking function; the material picking devices are connected by a plurality of material picking tongs through an adjusting connecting plate to form a group and is installed on a linear guide rail; one ends of the material picking tongs which are combined into a group are positioned, and the other ends of the material picking tongs are dragged by a translation air cylinder to perform contraction and stretching motions; the material picking devices can transfer materials automatically under the drive of the translation device and the lifting device. According to the invention, the problem that injection molding products can not be well linked with a follow-up material dividing mechanism after being completely taken out of a mold and temporally stored on a receiving platform is solved, and the products orderly arranged on the feeder can be automatically and efficiently transferred.

The invention provides a slant vehicle detection and tracking system and method based on machine vision. The system comprises a CCD camera, a USB data transmission port and a computer terminal. The method comprises the following steps of: in vehicle detection phase, firstly, image preprocessing is performed, region-of-interest extraction and improved lane line detection are combined, an inclined vehicle detection area is divided; an adaptive threshold value and a maximum between-class variance method are adopted; a shadow area is extracted, further a shadow line is extracted at the bottom of the vehicle, left and right boundaries of the vehicle are determined in combination with Sobel vertical edge extraction to obtain a suspected rectangular frame of a vehicle target, then features in the rectangular frame are extracted, dimensionality reduction is performed on the features by adopting kernel principal component analysis, and detection confirmation is performed by utilizing an Adaboost cascade classifier; in the vehicle tracking stage, mean shift and Kalman filtering are combined, a vehicle detection result is used as an initial tracking target, and the tracking target is screened by using rectangular frame coincidence. The system and the method can realize real-time vehicle detection and tracking, and have high accuracy.

The invention relates to a method for designing loading trajectory of airplane skin lengthwise stretch forming and generating numerical control codes based on ACB FEL serial numerical control lengthwise stretcher, comprising two steps: a first step: (1) designing the loading trajectory of lengthwise stretch forming and computing initial hole site; (2) initializing clamping and prestretching; (3) computing deflection angle; (4) computing jaw; and (5) searching for the excursion of the reference point of a mediate subsidiary clamp; and a second step: (1) inverse solving mechanism position and analyzing mechanism; and (2) movement evaluating. The method designs space motion location of the mediate subsidiary clamp, converts the loading trajectory into the numerical control of a device by the inverse solution, and computes the other space attitude parameter of each clamp according to the geometric characteristics of components, thereby, improving design efficiency and accuracy of stretch forming technological parameter. Optimally compared with the traditional method, the invention can obtain optimal produce technological process program, and realize scientific, numeralization and controllability of the airplane skin stretch forming. The invention has wide utility value and application prospect.

The invention provides a real-time computing platform and a data computing method based on the real-time computing platform. The method is applied to the real-time computing platform which comprises a real-time computing subsystem, an off-line computing subsystem and a message subsystem. The method can comprise the steps that the real-time computing subsystem pushes a first business indicator data set, obtained through real-time computing of newly-added business data, to a merging subsystem; the off-line computing subsystem pushes a second business indicator data set, obtained through off-line computing of newly-added off-line business data, to the merging subsystem; and the merging subsystem merges business indicator data of the same indicator type in the first business indicator data set and the second business indicator data set and updates all merged business indicator data to a first database based on the indicator type, and all the merged business indicator data is displayed visually. Therefore, by use of the method, consumption of memory resources by real-time computing of the business data can be effectively lowered, and equipment performance can be improved.

This invention discloses fluorescent lamp tube continuous generating device, it includes swan neck device, swab, dusting device, baking device, sealing device, bridge connecting device, exhaust device and tact device. The features are that at least two swan neck mechanisms parallel set on the swan neck device, and at least two parallel synchronous operational sealing clampers and compaction film corresponding to the clamper on the sealing device. At least two parallel synchronous operational frock clampers are set on the bridge connecting device. At least two groups of exhausting mechanisms set on the exhausting device, at least two exhausting service positions are set on the exhausting device. Compositor are set between the swan neck device and the swab, the sealing device and the bridge connecting device, bridge connecting device and exhausting device. Manipulators are set between each device. The advantages are that three compositors are used to realize ordered connecting between each separate device, it is the real fluorescent lamp continuous generating device, the generating efficiency can be greatly improved and human power can be reduced.

The invention discloses a text generation method and device, a storage medium and electronic equipment, and the method comprises the steps: obtaining theme information; inputting the theme information into a pre-trained machine learning model to generate article corresponding to the theme information, wherein the learning model comprises a first model, a second model and a third model, the first model calculates a first semantic vector based on feature information of the theme information, and outputs a character sequence as a first sentence of the article based on the first semantic vector; the second model is iteratively executed to calculate a second semantic vector based on the feature information of the Nth sentence of the article, and outputs a character sequence based on the second semantic vector as the (N+1)th sentence of the article, N is greater than or equal to 1, and N is a positive integer; the third model judges whether the (N+1)th sentence is a paragraph tail sentence or not according to a predetermined judgment condition, and determines that the (N+1)th sentence is the paragraph tail sentence in response to the judgment result; and outputting the article in response to the generated article reaching the threshold.

The invention is a transient electromagnetic modeling and inversion method based on the virtual wave domain method, and its key feature is based on the corresponding principle between the transient electromagnetic diffusion field and the virtual wave field satisfying the wave equation. Firstly, the mathematical integral relationship between the transient electromagnetic field and the virtual wave field is established through the Laplace change method, and the integral is discretized and written in matrix form; then, by constructing the preconditioning matrix M, the equation is Symmetric hyper-relaxation preconditioning improves the spectral properties of the coefficient matrix of linear equations and reduces the condition number of the coefficient matrix. Finally, the virtual wave field value in the full time domain is obtained through the regularized conjugate gradient iterative method. This method not only effectively avoids the segmentation of the transient electromagnetic time signal, but also has a very small iteration time, which improves the efficiency of the method.

The invention provides an intelligent courier box for unmanned distribution, An unmanned distribution system and a distribution method thereof, by improving the door of the express box, let the box door become the parking platform, By installing a control system with a single chip microcomputer as the control center in the box of the express box, so that the cabinet and the unmanned aerial vehicleare linked through a WiFi module, so that the parking and placing platform of the box body can be automatically opened and the automatic delivery of the unmanned aerial vehicle can be realized, Afterdelivery, the RFID module reads the information of the express to determine whether to turn on the refrigeration and the temperature and humidity monitoring function, and the GSM module arranged in the box realizes the data exchange with the cloud service platform, thereby realizing the remote monitoring of the user terminal. The invention completely solves the problem of lacking effective connection with the user in the current unmanned distribution, and truly realizes the unmanned distribution.

The invention provides a quality management system file splitting correlation method based on a flow engine. The method includes a quality system file splitting step and a system file correlation building step. The quality system file splitting step includes system file reading conversion, system file HTML resolution acquiring, system file standard arrangement, relevant file label arrangement and system file structure storage. The system file correlation building step includes structuralized system file reading, system file structure display, flow list reading, system file correlation flow setting, flow node reading, working step correlation node setting and storage of correlation relation through J2EE service. The method can meet the requirement for quality management system construction of business management gapless butting connection of enterprises and public institutions and achieve electronic integrated management and flow monitoring of the whole quality system and business management.

The invention discloses a positioning and navigation method for a remote control ship by way of targets after the loss of lock of a GPS. The method comprises the steps that (1), when a remote control surveying ship enters a seriously occluded region, at least three of the targets are within the range of laser scanning equipment in the remote control surveying ship; (2), in the region of a wide view, the remote control surveying ship is positioned and navigated by the GPS and inertial navigation equipment, and before the remote control surveying ship enters the seriously occluded region, the laser scanning equipment will show in the form of point cloud in the measurement system in real time; (3), obtaining initial three-dimensional coordinates through BTM positioning; (4), continuing to move forward, and if the change in the three-dimensional coordinates of the targets is less than 10cm for more than 5 times, taking the average as final three-dimensional coordinates of the targets; and (5), when three or more targets have the final three-dimensional coordinates in the measurement range of the laser scanning equipment, the real-time position of the remote control surveying ship will be determined reversely by the targets through the MTB positioning. The method of the invention can realize the accurate positioning of GPS intermittent loss of lock and complete loss of lock.

The invention provides a manufacturing method of a nano-channel with a gradually-changed size. The manufacturing method comprises the following steps: manufacturing a nano-line structure template: coating a photoresist I on the surface of one side of a quartz glass substrate I; carrying out holographic exposure and development after exposure is finished until a nanowire structure appears in the photoresist I; carrying out ion beam etching on the developed photoresist I under protective gas, and removing the photoresist after etching to obtain a nanowire structure template; carrying out Nanoimprint lithography on a nano line structure on the nanoimprint transfer template: coating photoresist II on a quartz glass substrate II; coating the nano-line structure template with a release agent, pressing the nano-line structure template into the photoresist II, and carrying out ultraviolet exposure until the nano-line structure on the template is transferred to the photoresist II; after transfer is completed, modifying and curing the photoresist II, and removing the nanowire structure template ; dividing a nanowire structure region on a nanowire structure substrate into a plurality of parts, and silicon dioxide thin film deposition is carried out one by one according to a gradual change angle in sequence.

The invention relates to an adaptive learning method and system of a knowledge space directed graph. The system comprises four core devices, namely a knowledge recognition device, a capability recognition device, an adaptive device and a capability tracking device. The knowledge recognition device and the capability recognition device are connected with personalized data through a knowledge vector, and are connected with a knowledge point through a capability directed graph. The capability recognition device and the adaptive device are connected with an adaptive module through capability recognition data, and are connected with the capability directed graph through learning resources. The adaptive device and the capability tracking device are connected with knowledge transfer through the adaptive module, and are connected with the learning resources through capability transfer.