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Remote monitoring for TfL buses

Telemetry specialist Sensor-Technik Wiedemann will implement Cumulocity’s IoT platform

STW and Cumulocity's technology is helping to monitor emissions in London
STW and Cumulocity's technology is helping to monitor emissions in London

German vehicle telemetry specialist, Sensor-Technik Wiedemann (STW), is implementing Software AG’s Cumulocity Internet of Things platform (IoT), for remote condition monitoring of exhaust gas treatment systems, retrofitted to London buses.


It is part as part of the Greater London Authority’s plans to create an Ultra Low Emission Zone (ULEZ). The high-efficiency emissions systems are being provided for the Transport for London (TfL) buses by HJS Emission Technology, coupled with its UK partner, Emission Engineering (EEL).


By 2021, more than 5,000 buses in London’s public transport network are to be retrofitted with HJS Emission SCRT (Selective Catalytic Reduction Technology), which uses particle filters and catalytic converters to reduce soot particles and nitrogen oxide (NOx). STW TC1 telematics controller, with built-in GPS, will also be fitted onto each bus to monitor emissions at any time or location.


STW is rebranding the Cumulocity platform "STW" as its IoT solution for the collection of data from on-board devices such as its TC1 and TC3G telematics modules. It provides user and device management and can connect, monitor and analyse operations in real-time.


“HJS will use it to gain significant insights into the vast amount of data streaming from the embedded devices in retrofitted buses in London,” explained Dr Michael Schmitt, CEO of STW.


He added: “Ultimately, HJS can use the big data to detect patterns alerting them to problems in either their system or the bus engines.”


STW can be used on a personal computer or mobile device via a web interface. In this instance, each device on board a bus is monitored and tracks not only engine emissions, but also technical data, faults, routes, locations, and fuel consumption. The data collected can then be visualised using SCADA widgets in real-time and present sophisticated diagnostics enabling real-time updates and calibration.


Because of the open and secure architecture of the Cumulocity IoT platform, a vast ecosystem of third party products and services are available to the STW without the risk of vendor lock-in.


The Cumulocity IoT platform includes a range of pre-packaged solutions such as condition monitoring, predictive maintenance and track-and-trace, as well as quick and easy device and sensor management, bringing the worlds of IT and operational technology (OT) together.


Additionally, Cumulocity incorporates several carrier-grade features, including code-free integration of devices supporting low power WAN (LPWAN) technologies used for long-term low bandwidth remote-monitoring, narrowband IoT (NB-IoT), lightweight M2M (LWM2M), and long range (LoRa).


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