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In the field of aviation, solar-powered unmanned aerial vehicles (UAVs) have attracted attention owing to their high-altitude cruise and the availability of renewable energy , .
As shown in Fig. 1(a), the energy supply system, which includes photovoltaic and battery systems, provides the UAVs with energy during the cruise. The photovoltaic system contains photovoltaic arrays and a maximum power point tracker (MPPT).
Considering the actual situation in the flight process, the principle of energy distribution was used to distribute the energy inside the UAVs, and the energy distribution of solar-powered UAVs was optimized using a multi-objective genetic algorithm. A solution flow chart involving all models is shown in Fig. 7. Fig. 7. Model solving flow chart.
Fuel cells, particularly proton exchange membranes, demonstrate high energy density, enabling long flight durations for lightweight UAVs, yet face challenges such as slow response and hydrogen storage limitations.
Dhaka Electric Supply Company Limited (DESCO) is a public limited company which distributes electricity at the northern parts of Dhaka City and Tongi Town of Gazipur District. The company was created in November 1996 under the Companies Act 1994 as a Public Limited Company.
The power generation and distribution system of Dhaka was managed by BPDB until 1991. An autonomous organisation named Dhaka Electric Supply Authority (DESA) was created by an ordinance promulgated by the President in March 1990 to improve services to the consumers and to enhance revenue collection by reducing the prevailing high system loss.
Tradition goes that the Nawab of Dhaka introduced electricity in Dhaka in 1901 when he installed a small generator in his residence Ahsan Manzil. Power generation for public use started in 1930 when a privately owned company M/S DEVCO developed an electricity distribution system.
Power generation for public use started in 1930 when a privately owned company M/S DEVCO developed an electricity distribution system. Private companies managed power generation and distribution system in Dhaka until the end of British rule in 1947.
