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find Keyword "Online monitoring" 2 results
  • Construction and practice of “West China Hospital of Sichuan University online follow-up mode” for at-risk population with coronavirus disease 2019

    The prevention and control of coronavirus disease 2019 is severe. In order to reduce the exposure of high-risk population and help home protection for at-risk population, West China Hospital of Sichuan University actively explored the construction and practice of online monitoring and home control systems, established a follow-up work team for at-risk population, formulated standardized work models and procedures, set up an online standardized follow-up information registration form to collect follow-up data, and controlled the process quality through repeated supervision. During the epidemic period of coronavirus disease 2019, West China Hospital of Sichuan University online follow-up mode can play a positive supporting role in the epidemic prevention and control and promoting this model has certain reference value for various medical institutions.

    Release date:2020-05-26 02:34 Export PDF Favorites Scan
  • Research and application of photovoltaic cell online monitoring system for animal robot stimulator

    Power supply plays a key role in ensuring animal robots to obtain effective stimulation. To extending the stimulating time, there is a need to apply photovoltaic cells and monitor their parameter variations, which can help operators to obtain the optimal stimulation strategy. In this paper, an online monitoring system of photovoltaic cells for animal robot stimulators was presented. It was composed of battery information sampling circuit, multi-channel neural signal generator, power module and human-computer interaction interface. When the signal generator was working, remote navigation control of animal robot could be achieved, and the battery voltage, current, temperature and electricity information was collected through the battery information sampling circuit and displayed on the human-computer interaction system in real time. If there was any abnormal status, alarm would be activated. The battery parameters were obtained by charging and discharging test. The battery life under different light intensity and the stimulation effect of neural signal generator were tested. Results showed that the sampling errors of battery voltage, current and electric quantity were less than 15 mV, 5 mA and 6 mAh, respectively. Compared with the system without photovoltaic cells, the battery life was extended by 148% at the light intensity of 78 320 lx, solving the battery life problem to some extent. When animal robot was stimulated with this system, left and right turns could be controlled to complete with the success rate more than 80%. It will help researchers to optimize animal robot control strategies through the parameters obtained in this system.

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