[Wireless Case Study] Understanding the Location of Workers within a Vast Dam

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last updated：Apr 13, 2021

The relay device covers all areas! It is possible to monitor the presence of workers in any area.

We would like to introduce a case where wireless communication was implemented from among the numerous achievements our company has accomplished. We received a request from a power construction company stating, "Multiple workers are operating in a large dam, and due to the nature of the work, there are situations where one person may be alone. We need a system to understand where all the workers are operating within the dam." Additionally, it was specified that the system must operate in an environment where "mobile phones and GPS cannot be used." 【Details】 ■ Customized software for our remote transmitter RC series and LAN-connected type Poka-Yoke receiver TW-800R-EXL ■ A system composed of "transmitters carried by workers," "multiple relay devices installed in various areas of the dam," and "receivers" ■ The transmitter automatically transmits at regular intervals, and the nearby relay device receives the signal ■ After receiving the signal, the relay device wirelessly transmits to the receiver "which worker is in which area" (information from the transmitting transmitter and the received relay device) *For more details, please refer to the PDF document or feel free to contact us.

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【Other Details】 ■ After receiving this information, it can be sent to the upper system via LAN, allowing for area confirmation of the workers. ■ The dam area is over 200 meters in length, and the floor space is equivalent to three floors, allowing workers to move across a wide area. However, since relay devices cover the entire area, it is possible to track the location of workers in any area. ■ By using this system to install contact transmitters on the machinery within the dam, it can also be utilized as a system to simultaneously monitor the operational status of the machinery. *For more details, please refer to the PDF document or feel free to contact us.