In a context where aerial surveillance is developing, new airborne surveillance and reconnaissance systems are necessary for better anticipation of threats. Along with drones, balloons are becoming essential for carrying out reconnaissance, observation and mapmaking missions linked to civil applications (events, infrastructures and road traffic) or defence (maritime and frontier areas, military bases). The French leader of this sector, A-NSE, has recently called on HUCHEZ Engineering to optimise its performance.
The expanding French company specialising in the design, manufacture and operation of airborne surveillance systems had just prepared a captive balloon for which it wanted accessory equipment – an umbilical cable – to hold it and control its position. The equipment also had to meet the requirements of civil aviation regulations.
Backed by its expertise, HUCHEZ Engineering developed a solution based on an electric haulage winch with the patented Dynamic Power Optimization (DPO) system allows a variator to adapt the speed of the winch to the required effort at all times, a rotary collector for the power supply to the balloon and the optical fibre, a manual emergency control for handling the balloon even without electricity. The proposed system also had to be compact for adaptation to a small trailer and to handle sudden variations in the winch tension (wind, loss of height, etc.), with good winch winding.
Challenge faced! The HUCHEZ electric haulage winch for captive balloon with DPO system was successfully deployed for surveillance of the Champ de Mars fan zone in Paris throughout Euro 2016. The HUCHEZ Engineering teams were involved in every stage of the project: studying the specifications, technical feasibility analysis, advice, design of the preliminary project, preparation, tests, technical assistance and even on-site commissioning and staff training, etc. Between 5 and 6 months were needed to finalise solutions as the different functions were tested in HUCHEZ’s workshops, then at the customer’s premises and finally in a flying situation. Performance and innovation are bringing new projects for HUCHEZ Engineering in this business sector.
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