Using Bulk Built-In Current Sensors and recomputing techniques to mitigate transient faults in microprocessors

IEEJ Transactions Elec Engng

Abd

Luo

2016

Nowadays, emergency lights are widely used in public places around the world. For safety consideration, their working conditions must be checked and reported regularly. However, usually the checking is done by humans, which poses difficulty in completing a standard process in a real situation. In this paper, we report the development of a small-sized wireless apparatus for collecting the checking results from an automatic self-checking emergency light. The proposed two-way communication integrates wireless modules with infrared ray and microprocessors (PIC18F4520) between the handset and the emergency lights. The checked results are burned into the microprocessor-based detector in the emergency light. Also, a calendar is installed in the emergency light so that it can be uploaded and adjusted by the microprocessor-based data processor. Consequently, the checking mechanism can be operated at prescheduled times automatically, and the checked outcomes can be retrieved and displayed any time from the handset. Experimental results confirm that the proposed device is superior to other systems in terms of simplicity, cost, and reliability.

Section: Introductionmentioning

confidence: 99%

Achievement of a wireless portable apparatus for self‐checking emergency lights

IEEJ Transactions Elec Engng

Abd

Luo

2016

“…The case system can transmit a control signal and retrieve the checked results to/from the microprocessor-based detector. [12][13][14][15][16] In the emergency lights checking, the Visual Basic (VB)-based graphical interface is designed to provide commands to start the checking operation and also to receive real-time information from the emergency lights online. [17][18][19][20] All the checked results can be uploaded to the cloud site automatically.…”

Section: Introductionmentioning

confidence: 99%

Learning cloud service and Internet applications using automatic emergency lights checking system

International Journal of Electrical Engineering & Education

Liu

2015

With increasing applications in cloud service and Internet, learning about how to use such technologies is an important topic for engineering students in the automation discipline. Unfortunately, the current textbooks usually do not supply sufficient material for this purpose. Therefore, this paper aims to provide a practical case study for students to learn more about a cloud service and Internet technology. The case uses a remote automatic emergency lights checking system via Internet and cloud technique. Based on transmission control protocol/Internet protocol, the remote computer can connect with the Nearby Computer for carrying out a remote monitoring and control mechanism. All checked outcomes received by the Nearby Computer can be automatically uploaded to the cloud site. The content using “learn by doing” concept is integrated with a lab project for a specific course so that it can help students learn efficiently. The expected outcomes, practical improvement, impact on student learning, performance assessment, and course evaluation are provided and discussed for details in terms of its value in enhancing the students’ learning in automation engineering.

“…The proposed system using the IR ray integrated with wireless transmission and receiving modules can transmit a control signal to retrieve the checked results using an automation mechanism based on the Microprocessor-based Detector. 1–6 Accordingly, the status of the components of the emergency light—charger, battery, and light—can be checked regularly. Besides, a manual operation is designed to implement an instant checking whenever it is necessary.…”

Section: Introductionmentioning

confidence: 99%

Development of Wireless Automatic Checking Handset for Wide-Distributed Emergency Lights

Measurement and Control

Liu²,

Luo³

et al. 2013

Emergency lighting facilities are widely installed in public areas such as school, hospital, and station. According the fire regulation in most of countries around the world, such facilities must be installed and checked regularly to ensure their normal working condition. Usually, they are suspended from a high place and distributed widely in the building. Presently, the checking responsibility depends on human operation only, taking at least 30 min for each device. This problem does pose most difficulty to fully meet the required checking rules. Therefore, the proposed scheme develops a portable emergency light checking handset based on wireless transmission/receiving modules integrated with the infrared (IR) ray. The checking command can be transmitted in straight one-way direction, and the checked results can be received at once within 6–10 m. Moreover, the automatic checking mechanism is activated in a prescheduled time. Experimental results reveal that the proposed algorithm can not only control the checking schedule but also read the checked results within the range of 6–10 m instantly. The checking duty relying on the human operation is thus reduced significantly.