Based on the double integrator model, a control strategy is designed by using potential function which is proposed from the perspective of electric potential.
Constant variations in the amount of sunlight available on Earth at any given location make energy storage a necessary design feature of terrestrial solar-energy systems.
Anyone who has tugged heavy hand baggage down endless airport corridors, or waited for a deluged flight in a sterile lounge will bow how user unfriendly many airports are in design terms.
He's redesigned Orgrimmar, and has actually evicted all but the orcs and tauren from the center of the city, saying that only those two RACES are strong enough to defend it.