Science Discovery

Volume 8, Issue 4, August 2020

  • Study on Energy Saving Technology of Night-time Illumination of Expressway Tunnel

    Hua Kaicheng, Zhao Chao, Liao Haomiao, Xia Yangyuyu, Wang Zihao

    Issue: Volume 8, Issue 4, August 2020
    Pages: 64-68
    Received: Jul. 21, 2020
    Accepted:
    Published: Aug. 25, 2020
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    Abstract: With the continuous expansion of the scale and number of highway tunnels in China, the power consumption of highway tunnel lighting has gradually become a huge amount for operating units. How to reduce the power consumption of lighting for highway tunnels has become an important issue for operating units. However, energy saving does not mean less o... Show More
  • Analysis and Solution of Abnormal Fault of Data Storage Based on NAND-flash

    Zhao Long, Shen Xiaohe, Chen Geng, Hu Xiaoxi

    Issue: Volume 8, Issue 4, August 2020
    Pages: 69-73
    Received: Jun. 18, 2020
    Accepted:
    Published: Aug. 25, 2020
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    Abstract: NAND-flash memory has the advantages of large capacity and fast rewriting speed. It is suitable for the storage of large amounts of data and is often used as an online storage device for embedded products. However, NAND-flash has the problems of bad blocks and other insufficient reliability.In a certain aerospace model temperature/strain measuremen... Show More
  • A FPGA Serial Port Transmission Fault Analysis and Design Optimization

    Shen Xiaohe, Niu Jing, Hu Xiaoxi

    Issue: Volume 8, Issue 4, August 2020
    Pages: 74-78
    Received: Jun. 21, 2020
    Accepted:
    Published: Aug. 25, 2020
    Downloads:
    Views:
    Abstract: One of the functions of FPGA in a satellite equipment is to receive data framing instructions from main control system, solve the data of the sensor at this time, and send the data through the serial port according to the format of response frame. In the system joint debugging, a small amount of data sent by serial port are not collected correctly ... Show More