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In order to deal with the control difficulties of the dredger's dynamic positioning system under large disturbances caused by dredging operation, a disturbances compensating dynamic surface control method is proposed to be used in the dredger's dynamic positioning system. Disturbances can be measured and compensated by the adding forces sensors. The proposed robust controller guarantees the semi-globally...
Natural Gas are often found at remote locations to bring it to the world market liquefaction is required. In liquefaction natural gas is cooled to around -160°C, hence required considerable amount of energy. To maximize the profit from the existing design it is necessary that the process should operate efficiently, reliably and safely. Hence a good and Robust control is required. Due to tight control...
In this paper, we present a class of LT codes with a novel degree distribution that is distinct from the degree distribution previously described by Luby. We show that with high probability the total size of the packets needed for decoding of these new LT codes is close to the original size of the file. Furthermore, the encoding and decoding complexity of LT codes with this new degree distribution...
The vertical motion control system and robust two-degree-of-freedom (2DOF) control for high rise/high speed elevators were discussed. The control aim is to realize robust tracking and re-leveling and let the system have good robustness for uncertainties under desirable control performances. A kind of robust 2DOF control method is proposed for elevators on the basis of vertical motion control. The...
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