Project meeting of STEP at the site of the company ATS - Agro Trading & Solutions in Hardegsen (Photo: DBFZ)

Heat Biomass furnace

Project ID 03KB109

Combination System - Intelligent Combination System for an Optimization of Combustion Processes by Control Technology as well as the Prevention of Faulty Operations in Biomass Combustion Systems

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  • 01.07.2016 – 30.06.2018


Fraunhofer Institute for Building Physics (IBP)
Nobelstraße 12
70569 Stuttgart

Dr. Mohammad Aleysa – project manager
Telephone: +49 (0)711-970-3455


03KB109B - HDG Bavaria GmbH
03KB109C - LAMTEC Mess- und Regeltechnik für Feuerungen GmbH & Co. KG

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Cooperation partners



Final report only available in German.

Subject and aim

Biomass combustion systems are monitored in compliance with the statutory requirements of 1st BImSchV (German Air Pollution Control Act). The monitoring is being carried out periodically on random basis by the chimney sweep. Since now, the operating quality is not monitored, although the operators of biomass combustion systems have a major influence to the fuel and combustion technology.

Based on these considerations, this research project is about the development and testing of a combination system for the early detection of operating errors and constant observation of combustion processes due to the use of state-of-the-art sensor technologies. This combination system will be developed for biomass combustion systems and tested under practice conditions. The use of that combination system will ensure an energetic and efficient operation of biomass driven combustion systems as well as a reduction of hazardous pollutants in residential areas. Furthermore, the application of that combination system will contribute to the climate protection by avoiding greenhouse gases.



The monitoring concept for biomass combustion system was found by Fraunhofer IBP and is patented. The combination system has been developed, setup and tested at the laboratories of Fraunhofer IBP. Furthermore, algorithms for the optimization and automatic defect recognition during the combustion of biomass by the use of modern sensors as well as combustion calculations are developed and tested.


HDG Bavaria GmbH provides the pilot combustion system for the implementation of the combination system. HDG Bavaria GmbH will support Fraunhofer IBP by the development of a suitable software structure and appropriate algorithms for the monitoring of combustion systems.


LAMTEC will support that research project with the provision of corresponding sensors and know-how. In addition, Lamtec gives support for the implementation as well as optimization of the applied sensor technology for the use of their sensors in the combination system.



  • Inventor of the monitoring concept (patent: Method for monitoring a combustor EP 2796787 A1)
  • Coordination and planning of test setups
  • Implementation of systems for data processing, electronic storage, online transmission to the hardware of the monitoring system
  • Development of an applicable software structure and algorithms for the permanent evaluation and monitoring of biomass driven combustion systems
  • Commissioning and continuous operation of the monitoring system under different load situations with appropriate sensors
  • Preparation of reports


  • Provision of the combustion system
  • Co-development of the software and algorithms for the monitoring system
  • Co-supervision of endurance testing and optimization 


  • Provision of required sensors
  • Co-planning, co-preparation and co-integration of the sensor technology for the monitoring system
  • Co-modification and co-optimization of the sensor technology for monitoring systems in biomass driven combustion Systems

Further information

Details on the patent (Method for monitoring a combustor EP 2796787 A1)



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