Changsha University of Science and Technology

Xiangya Hospital of Central South University

Xi Li

Guoping Qian

Huanan Yu

Xiangbing Gong

Jun Cai

Wenchao Wu

Changyun Shi

Zhen Yin

Chenggong Wang

The present disclosure provides a display device and system for a three-dimensional virtual model of a living organism, as well as a mixed reality device. The display device comprises a construction module, configured to construct a first virtual model comprising body surface features and internal features of a living organism based on two-dimensional scanning data and image data of the living organism collected during surgery; a calibration module, configured to calibrate the first virtual model by using a second virtual model of the living organism to obtain a calibrated first virtual model; a display module, configured to determine a pose of the calibrated first virtual model in a real world scenario based on the image data of a body surface marker to display the calibrated first virtual model and the real world scenario through a mixed reality device.

Display device and system for three-dimensional virtual model of living organism, and mixed reality device

A device is for detecting compaction and shear strength characteristics of an asphalt mixture during construction compaction. The device includes a fixed frame and a detection system. The detection system includes a display, a control panel, a test claw, an electric motor, a lift switch, a torque sensor and a temperature sensor. The control panel includes a power switch for controlling the electric motor and a speed regulator for controlling a rotation speed of the test claw. An output end of the electric motor is connected to an input end of the torque sensor, and an output end of the torque sensor is connected to an input end of the test claw. An output end of the test claw is provided with a claw-shaped blade. The claw-shaped blade is provided therein with the temperature sensor.

Device for detecting compaction and shear strength characteristics of asphalt mixture during construction compaction

The present invention discloses a method for detecting compaction and shear strength characteristics of an asphalt mixture during construction compaction. The method mainly includes the following steps: using a device for detecting compaction and shear strength characteristics of the asphalt mixture; pressing a test claw into the asphalt mixture during construction; rotating the test claw slowly and uniformly to measure an internal temperature and a shear characteristic of the mixture during paving and subsequent compaction; calculating a corresponding compaction detection index based on the shear characteristic; and monitoring and guiding the construction quality and construction process accordingly based on the real-time detection index. The present invention measures the compaction detection index of the asphalt mixture during compaction simply, quickly and accurately. The present invention uses the compaction detection index together with a degree of compaction for dual control of asphalt pavement compaction.

Method for detecting compaction and shear strength characteristics of asphalt mixture during construction compaction

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Changsha, China

Xi Li