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Implementation and verification of course controllers in the inland navigation simulator (InSim)

Zalewski P.

Zeszyty Naukowe / Akademia Morska w Szczecinie

2013

nr 36 (108) z. 1

188--194

The formal verification of performance properties of a ship’s course control algorithm used in the InSim simulator of Maritime University of Szczecin is presented in the paper. Implementation of fuzzification, fuzzy rules and defuzzification techniques allowed the construction of a controller tuned in accordance to expert knowledge as an alternative to the industry PID standard. Both controllers’ structures are analysed. Their verification leads to the assessment and comparison of dynamic properties of a modelled ship’s course control. Further development of course controllers into track controllers has been discussed as well.

Application of shiphandling simulation to harbour and waterway design

Misiąg W.A.

Polish Maritime Research

1999

nr 4

17-20

The paper describes the problem of aiding the harbour layout design through computer simulation of ship motion. The key aspect of this support relies on treatment of the ship and the commanding pilot as a stochastic sensor testing the given harbour layout under varying enviromental conditions. The role and effectiveness of the ship motion simulation in the harbour design are discussed in reference to other existing harbour design support methods. The paper presents an example of simulation experiment which was used for the selection of the harbour layout during planning of the expansion of Port of Calao, Peru. Such example may be used as patern for nautical analyses with the application of shiphandling simulation technology. The paper also evaluates the degree of fulfilment of the simulation objectives and points out the areas for further research.