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Graduation Project – Improving the design methodology of a Render and Recovery winch

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Quick Facts


One of the key components on a tug is the winch. When the tug is assisting a ship in heavy seas, the towing line may not be able to stretch sufficiently to prevent high peak-loads. To prevent these undesired forces a slack line events render and recovery winches have been developed to actively control the line length and tension.

To be able to make a good analysis of our clients’ requirements and the winch configuration, further optimization of the winch design verification and validation methodology is needed.

The period of this graduation project between 9 and 12 months, starting when available. You will work on your assignment at the Research & Development of Damen Shipyards in Gorinchem.

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Graduation Project Render and Recovery winch Banner DSGo

Tasks & Responsibilities

The goal of this graduation assignment is to improve and streamline the development methodology used by Damen and to improve quality of the winch specification. This involves the following steps:

  • Extend the implementation of time domain wave-induced forces;
  • Develop an acausal multi-domain (physical) model of the winch and hydraulics;
  • Model and improve the current controller logic;
  • Automatically generate test cases based on Damen ship performance software output;
  • Analyse the current winch design and make recommendation;
  • Propose a protocol for on-board monitoring for validation purposes.

Your Profile

The right student is:

  • A MSc student in Mechatronics, Systems & Control, Marine Engineering or related;
  • An independent worker;
  • Experience with Mathworks Simulink;
  • Available for 9 to 12 months.

What do we offer?

  • A pleasant, informal working atmosphere and professional guidance;
  • challenging, international environment where you will have a lot of freedom and responsibility;
  • A very educational and enjoyable internship;
  • An internship allowance (additional travel costs will also be covered).

Department Information

The R&D department is set up as a matrix organisation. Four development teams, supporting the different Business Units with technical consultancy and expert advice, are reinforced by the five knowledge driven research teams. The department collaborates with and is supportive to the entire Damen Group. The R&D department has the goal to develop knowledge in all strategically relevant technical knowledge domains and to make it accessible to the relevant stakeholders. In these technical knowledge domains, Damen strives to be among the best in the world in order to stimulate innovation based on a firm technical knowledge and to contribute to product developments throughout the Damen Group. To enhance knowledge, skills and capabilities, Damen has substantial own budgets, but is also very active in collaborative (often funded) R&D projects, both nationally and internationally.

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Lisa Weggemans contact photo


Lisa Weggemans


+31 183 65 4935

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