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222results about How to "Simple loading process" patented technology

Six-dimensional sensor calibration device

The invention discloses a six-dimensional sensor calibration device which comprises a machine frame, a load mechanism, a positioning mechanism and an electrical control system. The electrical control system comprises a human-computer interface, an industrial personal computer, a multi-axis controller, a servo controller A, a servo controller B, a servo controller C, a servo controller D and a servo controller E, wherein the human-computer interface and the industrial personal computer serve as an upper computer used for monitoring displacement, angle and force signals. A closed loop force feedback control system is adopted, accurate and automatic loading of calibration force is achieved, and a six-dimensional sensor can be continuously loaded. A grating ruler is installed on a high-precision cross sliding table mechanism to form full closed-loop displacement control, the displacement in the X (Y) direction is precisely positioned, and turning and rotating angles of the six-dimensional sensor can be precisely positioned through a circular grating, and therefore the precise positioning of straight line displacement and a rotating angle of the six-dimensional sensor is achieved. According to the six-dimensional sensor calibration device, loading of any six-dimensional force/ torque within a measuring range can be achieved, the loading process is simple and operation is convenient.
Owner:DALIAN JIAOTONG UNIVERSITY

Method of implementing configuration and management of data of home gateway based on XML (Extensible Markup Language)

The invention discloses a method of implementing configuration and management of data of a home gateway based on an XML (Extensible Markup Language). The method comprises the following steps of: respectively defining two data structures of TR-object and TR-param in an internal storage; loading and traversing an XML configuration file of the home gateway, configuring objects and parameters in the XML configuration file and the respective attribute information into the data structures of TR-object and TR-param in the internal storage, and constructing an internal storage node parameter tree; writing the configuration data in the internal storage node parameter tree into an FLASH of the home gateway and storing to form a new XML configuration file; and after restarting the home gateway, rereading the new XML configuration file in the FLASH and carrying out configuration and management. According to the method, an XML file used for unified storage of the data of the home gateway is designed by utilizing an XML rule, and when the parameter information changes, the configuration information is stored in the FLASH immediately, so that a configuration data loading process is simplified, the configuration data reading and writing efficiency is improved and the occupancy of the internal storage of a program is reduced.
Owner:FENGHUO COMM SCI & TECH CO LTD

Test device for light steel frame beam column node bearing test

The invention discloses a test device for light steel frame beam column node bearing test. The device includes a device bottom plate assembled and fixed to a universal testing machine, a lower clamp groove provided with a light steel frame beam column, an upper clamp groove, fastening bolts for fixing the light steel frame beam column, an upper cover plate for fixing the light steel frame beam column, a bottom plate long groove for changing the loading point position, side plates connecting the bottom plate with the top plate, clamping plates for beam end loading, a hinge rod for loading an end, a beam column connection node test piece, and a mechanical universal testing machine. The whole test device can not only effectively realize the bearing performance test constraint condition of the beam column node, but also can measure the mechanical parameters of the beam column node test piece under the load by means of a strain gauge, a dial indicator, a displacement sensor, a force sensor or other tools while carrying out the loading, and therefore, the bearing mechanism and the mechanics model can be analyzed and studied. The whole device is clear in construction, convenient to use, and low in cost, and is a novel test device suitable for a miniature light steel beam column node test piece.
Owner:BEIJING UNIV OF TECH
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