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658results about How to "Reduce the possibility of error" patented technology

Laser interference system used for measuring micro roll angle

The invention relates to a laser interference system used for measuring a micro roll angle surrounding the linear displacement direction. The laser interference system comprises a laser source, a polarized light-splitting prism, two quarter wave plates, a corner prism, a wedge-angle prism, a wedge-angle reflecting mirror, a polarizer, a photoelectric detector and a phase meter; the laser source generates incident beams with stable frequency and provides a stable reference signal source simultaneously; the incident beams pass through the wedge-angle prism twice under the actions of the light-splitting prism, the quarter wave plates and the corner prism, and are correspondingly reflected by the wedge-angle reflecting mirror twice and sent out by the polarized light-splitting prism; by the interference of the polarizer, the photoelectric detector receives and generates an electric measuring signal, and the micro roll angle of the wedge-angle reflecting mirror fixedly connected with a measured piece can be measured by phase comparison between the phase meter and an electric reference signal. The invention has the advantages of simple structure and high measurement precision, and can bewidely applied to geometrical precision measurement and metering base creation in the fields of military projects, spaceflights, digital control machine tools, and the like.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Welding robot control method

The invention discloses a welding robot control method, and relates to a welding robot control device. According to the welding robot control method, a laser vision sensing system, a laser barcode scanning system, a main industrial personal computer, a driving device and a wireless demonstration device are utilized. A weldment is scanned through the laser bar code scanning system to form a three-dimensional model, the three-dimensional model is led into the main industrial personal computer, and welding information is directly designated on the three-dimensional model through the wireless demonstration device. The welding information comprises positions and lengths of weld joints, and the swing mode of a welding gun. When welding workpieces needs to be produced in a batch mode, a bar code identification system can be used for reading the welding information of welding bar codes on the welding workpieces, then the welding information is sent to the main industrial personal computer, and the main industrial personal computer converts the information of the bar codes into welding signals. The welding robot control method has the advantages that closed-loop control is realized, demonstration efficiency is improved, control of a welding robot is convenient, the electromagnetic field disturbance resistance ability is high, the demonstration efficiency and the quality of the weld joints of the workpieces are improved, the adaptive ability of a control system is enhanced, and the reliability is high.
Owner:XUZHOU UNIV OF TECH +1

Full-automatic medicine distributing and supplying system and automatic solid medicine separating method

The invention discloses a full-automatic medicine distributing and supplying system and an automatic solid medicine separating method. The system comprises a medicine feeding device, a medicine distributing device, a medicine distributing channel device, a medicine supplying device, a medicine returning device and a central processing part. The system has no requirement for the sizes, shapes and weights of solid medicine, the medicine can be automatically and accurately sub-packaged in a sealed medicine supplying box according to set parameters, and remaining medicine is automatically returned to medicine returning bottles. The system can remind a person who takes medicine to take medicine on time and automatically supply the medicine after determination. The user can select a portable medicine box or a fixed medicine box with the larger capacity, the system can be directly set, the parameters can be more conveniently set and the prompting function and the remote setting function can be more conveniently added through a mobile phone client side, and the user can take medicine in advance. The system can notify staff set in advance under the condition that the medicine needs to be fetched and distributed if the user does not take medicine over a certain time. The system is accurate in medicine distribution and convenient to clean, medicine taking is convenient, and high economic value, use value and medical value are achieved.
Owner:宁波捷碧医疗科技有限公司

Methods for detecting compatibility of application program and relevant database script and performing upgrading maintenance on application program and relevant database script

The invention discloses methods for detecting the compatibility of an application program and a relevant database script and performing upgrading maintenance on the application program and the relevant database script and relates to the field of detection and maintenance of application programs and databases. A version number maintenance mechanism which is the same as that of the application program is adopted for updating the database script, the upgrading process of the application program and the database script is managed by using a version number, the database script or the application program which is required to be upgraded is determined by comparing the version number of the required database script of the application program with the version number of the current database script of the application program, and a universal method for upgrading the application program and the database script is provided. By adoption of the methods, the compatibility of the application program and the database script can be conveniently determined, the version number of the application program or the database script which is required to be upgraded is definitely provided if the application program and the database script are incompatible, the upgrading maintenance cost of the application program and the database script is reduced, and the efficiency is improved.
Owner:FOUNDER INTERNATIONAL CO LTD

System and method for expanding model driving development capability by applying plug-in

ActiveCN102033743ASolve the problem of insufficient description abilityExpandable and flexibleSpecific program execution arrangementsModel descriptionStationary model
The invention relates to a system and method for expanding the model driving development capability by applying a plug-in. In the system and the method, a'model and plug-in' combined mode is provided to describe and establish a software system, firstly a model designing tool is used for establishing basic model description of the software system and then establishing a plurality of reusable plug-pin model for further describing a basic model object, the plug-in model can be expanded randomly on various basic model objects, and the plug-in can complete a software function with any complexity, therefore, the expansion of the model driving development capability is realized. By utilizing the invention, the technical problems of the existing model driving development method that because a fixed model is adopted, the describing capability of complex service system is poor, and the software system with the model driving development can not be established, expanded and maintained visually and dynamically under the operating state and the like are solved. The system developed by using the method has the advantages that the development complexity degree is low, the development speed is fast, the reusable degree of technology is high, the expansion is flexible, the maintenance is convenient and the reliability is high.
Owner:广州翼风信息科技股份有限公司

Method for measuring distance and height by vehicle-mounted monocular camera based on vertical type target

The invention discloses a method for measuring distance and height by a vehicle-mounted monocular camera based on a vertical type target, and belongs to the technical field of intelligent vehicle environmental perception. Through the operations of template matching, candidate point clustering and screening and accurate positioning on a region of interest of a vertical type target image, the method realizes the detection and the positioning of a sub pixel level angular point, combines a projective geometry model, and creates a mapping relation between an image ordinate and an actual imaging angle, thereby realizing the measurement of the distance and the height. The inner and outer parameters of the camera are not needed to be calibrated, a calibrating board or a reference object is not needed to be placed repeatedly, the possibility of the occurrence of error is reduced, and not only are the operation steps reduced, but also the measuring accuracy is improved; compared with the conventional corner detection, the target point of the target can be detected more accurately, so that the calculated amount of the follow-up clustering and screening is reduced, the height measure of the monocular camera is realized on the basis of calculating the actual imaging angle and distance, and the cost is greatly reduced.
Owner:BEIHANG UNIV

Complete network middleware operation support platform and integration method of heterogeneous middleware

The invention relates to a complete network middleware operation support platform which can be used for integrating a plurality of conventional mainstream middleware technologies, and a method for integrating a heterogeneous middleware member on the platform. The platform disclosed by the invention comprises a microkernel integration frame, a communication service layer, a public service layer, a member container layer and a service engine layer, wherein the microkernel integration frame provides upper-level service integration interface specifications of a life cycle management and command interface, an interoperation interface and a deployer interface needed for deploying specific components, for the four categories of service layers. According to the invention, deep integration of mainstream middleware technologies, such as JEE (Java Enterprise Edition), Web service, CORBA (Common Object Request Broker Architecture), COM/DCOM (Component Object Model/Distributed Component Object Model), and the like, is realized. The complete network middleware operation support platform and the integration method of the heterogeneous middleware can be widely applied to integration of different application service technology systems.
Owner:PEKING UNIV

Database inspection and maintenance method

The invention relates to a database inspection and maintenance method. The database inspection and maintenance method comprises the following steps: step 1: establishing a database version, obtaining the newest version database structure, forming database structure script syntax, and storing database structure information; step 2: defining a basic list, obtaining the basic data of the newest version, forming basic data syntax, and storing the basic data; step 3: obtaining a database structure and the basic data of a database to be compared or a database of the history version; and step 4: comparing the database structure with the basic data to form a difference report and produce upgrade syntax. According to the database inspection and maintenance method, the changing situation of database environment can be inspected at any time, and corresponding version files can be formed. According to the database inspection and maintenance method, the automatic inspection on the user database and the rapid upgrading can be realized, and the automatic upgrade of software of a database system can be used. The universal database inspection and maintenance method provided by the invention has the advantages that the applicability is wide, the workload of the manual maintenance on the database and the possibility of making mistakes can be reduced, and also the error ratio of the manual operation is reduced.
Owner:NANJING TONGDAHAI INFORMATION TECH

Power distribution network terminal access method based on IEC61850 standard

The invention relates to the field of power system and automation, in particular to a power distribution network terminal access method based on the IEC61850 standard. The method includes the following steps that (1) a power distribution terminal gets access to a port of a program monitoring UDP networking protocol, and data packages are broadcast, found and registered at regular intervals; (2) whether the correlation function of the power distribution terminal passes audits or not is judged; (3) access to the web service port of the power distribution terminal is carried out, and configuration information of the power distribution terminal is obtained; (4) a point table of measure points is generated from the configuration information; (5) the generated point table of the measure points is applied to a distribution automation system. The whole process of the power distribution network terminal access is automatic without manual intervention, namely the power distribution network terminal is of a plug-and-play type, workload of distribution automation and possibility of error occurrence are greatly reduced, implementation difficulty and implementation cost of the distribution automation are reduced, the construction of the distribution automation is promoted, and working efficiency and working correctness of the distribution automation are improved, so that the level of distribution network automation operation is improved, and outage cost is reduced.
Owner:STATE GRID CORP OF CHINA +3

Method for viewing pre-message through crossing security zone

The invention relates to a method for viewing a pre-message through crossing security zones. The method is used for an automatic power dispatching system. The method comprises the following steps: visiting a WEB server of a security zone III through a web browser, establishing cache on the data platform of the security zone III, storing pre-data, channel information and a channel message, after the client of the browser logs on to the WEB server of the security zone III, obtaining the real-time information of channels, selecting a channel to be reviewed, transmitting the keywords of the channel to the security zone III, and transmitting the keywords of the channel to a security zone I through forward and reverse data transmission by the security zone III; and acquiring real-time data, transmitting a required original channel message to the security zone III through forward and reverse data transmission by the security zone I, and transmitting the message to the client of the browser by the security zone III to realize that the client of the browser views the channel quasi-real-time message. Through visiting the server of the security zone III to view the information and the message of the pre-channel of the security zone I, the invention has the advantages that the operation is simple and clear, the message revealing form fits in with the practical need and the quasi-real-timeviewing speed is high.
Owner:NR ELECTRIC CO LTD +1

Medical infusion monitoring system and method

The invention provides a medical infusion monitoring system which comprises an infusion monitoring system, an infusion monitoring interface end and an infusion monitoring module. The medical infusion monitoring system has the advantages that firstly, a clinical information system can send doctor advice information to the infusion monitoring module in a wireless communication mode, and nurses can check patient information and the infusion doctor advice information on the infusion monitoring module and verify and determine the patient information and the infusion doctor advice information so as to determine whether infusion needs to be started; secondly, the nurses can scan medicine labels and patient labels through nurse terminals to obtain patient identification numbers and medicine identification numbers and further compare the patient identification numbers and the medicine identification numbers with patient identification numbers and medicine identification numbers displayed on the infusion monitoring module, and correct dosing of patients is guaranteed; thirdly, warning information monitored by the infusion monitoring module can be directly sent to the nurse terminals or sent to the nurse terminals through an infusion management system, and accordingly the nurses can obtain the warning information from the nurse terminals and quickly deal with the situation.
Owner:昂科信息技术(上海)股份有限公司

Automatic addressing method and system of single-chip microcomputers

The invention provides an automatic addressing method and system of single-chip microcomputers. The automatic addressing system comprises a host and a plurality of to-be-addressed double serial port single-chip microcomputers sequentially connected in series. The automatic addressing method comprises the following steps: the host communicates with the first single-chip microcomputer through RS232, and performs addressing; the first single-chip microcomputer sends the addressed sequence to the host; the host sends the addressed sequence to the second single-chip microcomputer through the first single-chip microcomputer; the addressed sequence is sent to the host through the first single-chip microcomputer after the second single-chip microcomputer is addressed till all the single-chip microcomputers are addressed. According to the automatic addressing method and system of single-chip microcomputers, the resource of a universal serial bus is fully used, and all the single-chip microcomputers connected in series are addressed by the host under the condition that hardware is not added; the addresses of the single-chip microcomputers are automatically distributed during initialization after the single-chip microcomputers are mounted for the first time, the host automatically divides the data acquired on the bus only according to the addresses of the single-chip microcomputers, the data can be more intuitively output to the user for use, and manual arrangement is avoided, so that error probability of manual operation is reduced, and maintenance of the equipment is facilitated.
Owner:SHENZHEN XBROTHER TECH
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