Liebherr develops and manufactures many types of construction machinery. The remote monitoring, fleet management and assignment management for the machines used around the globe, can be carried out via a central web portal. The company wished to make use of the telematics module to be developed in the project for its entire range of products. The module included the full range of functionality for real-time recording, evaluation and transfer of data. Zühlke developed and implemented the complete hardware and software required.
The telematics module was implemented with a wide range of functions and consisted of a Linux-based modem, a GPS unit and a GSM unit. The module was designed to act independently, be flexibly configurable and be able to work in tandem with various control devices. The system was also designed to collect system-specific machine data and send this, as well as coping with power failures and checking adherence to any usage restrictions. Communication between the construction machinery and the central web portal was implemented using SMS/GSM and with TCP/IP via GPRS.
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