Zobrazeno 1 - 2
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pro vyhledávání: '"Ling Hua Hu"'
Publikováno v:
Applied Mechanics and Materials. :949-952
Port of wheel cranes are popularly applied in the logistics, and their lifting, luffing and slewing mechanisms generally adopt DC motors. Traditional method with stepwise resistors to start motors was very complex in calculation and control, but poor
Publikováno v:
Advanced Materials Research. :1363-1367
Port tyre cranes have the drawbacks of high energy consumption and serious pollution, whose potential is the most important latent energy being wasted. Some attempts to recycle the potential of tyre crane have attained certain energy-saving result, b