Proximity detection
Personal tracking is one of the important tasks in a fully automated face. Because of the special conditions underground (a lot of steel and herewith many reflections of radio waves for example) are the reason why it is very difficult to detect people exactly. But only in this case it is possible to create safety zones around the miners and on the other hand ensure production.
The TCS Personnel Proximity Detection System is high reliable and redundant for personnel and material. Unlimited tags can be used as well as it is a redundant node system with no degradation in case of single failures.
The tags and the shield nodes working on basis UWB are compliant acc. to IEEE802.15.4-2011 and are communicating on a RF band of 6GHz. Faster than one measurement per second so that it can be used for high data throughput applications. This is important to ensure detecting several persons standing near to each other (high tag densities). The TCS Personnel Proximity Detection System is designed as low current application. This means long battery uptime. Because of the used technique it is possible to detect persons with an accuracy of +/- 25 cm (stationary) and of +/- 50 cm (moving).
The integrated multi colour and multi mode signal-light helps underground to indicate the status of each roof support.
Additionally an inclination sensor and optional a beeper can be integrated.
The benefit of this solution is that the SCUs can create safety zones directly without time delay by transmitting such information via the gate end PCs or the MCU.
Additional to this the local transmitter are able to create radio networks so that information about located persons can be shared by radio up to the MCU too. That means the system is built up in a redundant manner.
iprox
As the level of automation in mining increases, it becomes increasingly important to protect personnel from moving shield supports to prevent accidents. The iProx Tag-Proximity System by Tiefenbach Control Systems is specifically designed to provide this protection, avoiding the use of interference-prone RFID or field strength-based technologies. High-precision signal transit time measurements enable accurate and robust tracking of personnel and materials in the longwall, with a focus on precision, speed, and interference resistance.The basic functions include blocking critical functions in the shield supports and signaling both in the shield and the control center, supplemented by colored LED lights in the iProx nodes. Additionally, the integrated motion sensors in the tags can detect a "man-down" situation and trigger corresponding alarms.The iProx nodes integrate seamlessly into the new ASG5 2020 system and enhance the visibility of the signal lights within it. An integrated angle sensor, in combination with other sensors, enables the detection of shield height and position in the longwall.The iProx tag is fully waterproof thanks to its contactless charging capability and provides a runtime of approximately 18 hours.
Read More
TIEFENBACH Control Systems GmbH
Do you want to know more about our Products?
We will be pleased to help you.