8 Jan 2024
Job Information
- Organisation/Company
Tallinn University of Technology- Department
School of Engineering, Kuressaare College- Research Field
Engineering » Mechanical engineering
Engineering » Materials engineering
Engineering » Maritime engineering
Engineering » Civil engineering
Physics- Researcher Profile
First Stage Researcher (R1)- Country
Estonia- Application Deadline
22 Jan 2024 - 23:59 (Europe/Tallinn)- Type of Contract
Temporary- Job Status
Full-time- Hours Per Week
40- Offer Starting Date
1 Feb 2024- Is the job funded through the EU Research Framework Programme?
Not funded by an EU programme- Is the Job related to staff position within a Research Infrastructure?
No
Offer Description
Tallinn University of Technology School of Engineering, Kuressaare College offers a 4-year PhD position in environmental, marine and coastal technology.
The proposed PhD thesis topic: "Motion control system for floating surface platforms and vessels"
Supervisors: Tenured Associate Professor Kristjan Tabri and Dr. Dhanushka Chamara Liyanage (TalTech)
Abstract
In this position you develop and assess the active motion control systems for floating structures such as floating wind turbines, unmanned monitoring vessels or floating production units. Aim of the control systems is to reduce the angular motions of the floating platforms. Floating structures of interest are either stationary or moving with relatively slow speed. Work includes the development, modelling and experimental assessment of various active stabilizing systems such as gyroscopes, active fin stabilizers, gimbal, active ballast tanks, thrusters, mooring lines etc.
Description
The project focuses on the generic-level assessment of the controlled stabilization of angular motions of floating surface platforms such as unmanned monitoring vessels, floating wind turbines, fish farms, hydrogen production units etc. It is foreseen that large structures are moored to the sea bottom while smaller structures or assemblies could be either stand-alone or connected to other surface vessels, e.g. underwater monitoring equipment connected to an autonomous vessel. In the context of the Baltic Sea, these novel structures differ from conventional offshore structures by being somewhat smaller, less rigid and operate in relatively shallow water. These structures experience short wave lengths and, for some instances, also seasonal ice loads typical for the Baltic Sea.
The focus will be on controlling and minimizing the angular motions of the system. Several stabilization systems are to be considered: gyroscopes, active fin stabilizers, gimbal, active ballast tanks, thrusters, mooring lines etc. PhD project includes the experimental testing of selected stabilizers in the ship model test basin or in actual operating environment. It is foreseen that the stabilizing systems’ behavior is to be assessed either in (i) a semi-analytical or numerical model including the description of the environmental loads and structural response, or in (ii) a machine-learning model, where experimental or numerical simulation data is used to develop a model for structure’s response. Digital Twin of the structure will be developed to predict and optimize its behavior.
Why is this research necessary
Tightening environmental restrictions, demand for new energy sources, more extensive exploitation of maritime domain and the developments in blue economy sectors will introduce new floating offshore structures and monitoring systems worldwide, including also the Baltic Sea and Estonian waters.
More advanced and efficient structures are to be developed for competitive an international maritime domain.
Development in control technologies, automation and robotics allows to develop novel solutions to minimize the angular motions of the structures and thus, reduce the submerged volume required to fulfil the stability criteria or to widen the suitable weather window for their efficient operation
New structural configurations cannot be assessed using conventional simplified models. Thus, more universal approaches and tools are required.
The goals of the research correspond with the priorities of the EU (greener and safer surface transport, sustainable energy resources).
Requirements
- Research Field
- Engineering » Mechanical engineering
- Education Level
- Master Degree or equivalent
- Research Field
- Engineering » Materials engineering
- Education Level
- Master Degree or equivalent
- Research Field
- Engineering » Maritime engineering
- Education Level
- Master Degree or equivalent
- Research Field
- Engineering » Civil engineering
- Education Level
- Master Degree or equivalent
- Research Field
- Physics
- Education Level
- Master Degree or equivalent
Skills/Qualifications
The call is open for candidates with a wide range of backgrounds inside and outside of Estonia. Most importantly, high level of interest and motivation towards, and deep understanding on, computational mechanics and mechatronics is required. A suitable background may come from mechanical/material engineering, marine engineering, mechatronics, civil engineering, engineering physics, applied or computational mechanics, or related disciplines. Prior experience on working with FE codes LS-DYNA or ABAQUS is a significant advantage as well as skills with programming tools such as Matlab, Python or Fortran. The candidate should prove his/her capabilities in writing the technical report and scientific papers in high quality journals. Experience in collaborative research/publication with the existing TalTech staff is also a plus. The applicant for the position must have a Master’s degree and must fulfil the requirements for doctoral students at the Tallinn University of Technology (https://taltech.ee/en/phd-admission ).
During the assessment emphasis will be put on your potential for research, motivation and personal suitability for the position.
Specific Requirements
Required application documents:
- CV
- Motivation letter
- Degree certificates as required by the university
- Copy of the passport
- Languages
- ENGLISH
- Level
- Excellent
Additional Information
Benefits
Employment
The position is at the School of Engineering at Tallinn University of Technology. The expected duration of doctoral studies is four years. Following the standard practice in the School of Engineering, the contract will be made initially for one year, then extended after a successful progress review. The salary is according to the salary system of Tallinn University of Technology.
The position will be fulfilled as soon as a suitable candidate is found. TalTech reserves the right for justified reasons to leave the position open.
Additional comments
Job locations Kuressaare & Tallinn, Estonia.
For additional information, please contact Associate Professor Kristjan Tabri (email: [email protected] ).
- Website for additional job details
https://taltech.ee/en/phd-admission
https://taltech.glowbase.com/positions/743
Work Location(s)
- Number of offers available
- 1
- Company/Institute
- Tallinn University of Technology
- Country
- Estonia
- City
- Kuressaare
- Postal Code
- 93811
- Street
- Tallinna 19
- Geofield
Where to apply
- Website
https://taltech.glowbase.com/
Contact
- City
Kuressaare- Website
https://taltech.ee/en/phd-admission- Street
Tallinna 19- Postal Code
93811
[email protected]
STATUS: EXPIRED
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