In May 2018, we held the 1st International Workshop. In this research, we reported the case of collaboration between high schools and universities on holding workshops together, and the effects of learning through participation from high school age through to university students, and lecturers.
Author: Takeshi Tanaka
Plasma basic ion implantation (PBII) with high negative voltage pulses has been applied to test specimens in a sterilization process as a technique suitable for three-dimensional workpieces. Pulsed high negative voltage was applied to the electrode in this process at the gas pressure of oxygen. It was reported that the PBII process reduced the numbers of active Bacillus pumilus cells using self-ignited plasma N2 gas generated by only pulsed voltages. The number of bacteria survivors was reduced by 10-5with a few min exposure. As the ion energy is the most important processing parameter, a simple method to estimate the oxygen ion energy calculated using distribution for oxygen in Si implanted by PBII was estimated. In this work, the Effect of Plasma Density on Residual Bacterial Number and Applied Voltage is studied.
DOMINANT TECHNOLOGIES IN “INDUSTRY 4.0”
Building up a low-carbon society has become one of the world’s common challenges. ‘Power to Gas’ efforts – to convert electric power derived from renewable energy into hydrogen – are being actively conducted, mainly in Germany. Similar efforts are
being made in Japan. For example, concerned Japanese cabinet members agreed on a ‘ Hydrogen basic strategy ‘ on Dec. 26 2017. This strategy, with a view to 2050, shows direction and vision toward the realization of a hydrogen society and compiles an action plan to achieve that goal. It aims to scale up hydrogen consumption volume from 0.4 ten thousand t (2020) to 30 ten thousand t (2030) and deduct the unit price of hydrogen from ￥100Nm3 (now) to ￥30Nm3 (2030).We will also try to construct a preliminary autonomous energy system using regenerative energy. In this paper, the operation and function of such a system is described.
TECHNOLOGICAL BASIS OF “INDUSTRY 4.0”
ONSTRUCTION OF COMMUNICATION SYSTEM IoT EQUIPMENT USING SIGFOX NETWORK AND ITS APPLICATION TO EDUCATION
In this research, with the installation of Sigfox’s antenna in our university, we installed IoT equipment that makes use of the Sigfox network. As an example of an IoT device, we tried installing it on a water meter to acquire data, such as water usage fee, via internet. Also, using the system outline, we constructed it as an educational system.