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Novel Methods for Assessing and Improving Usability of a Remote-operated Off-Road Vehicle Interface
(Lappeenranta-Lahti University of Technology LUT, 2019-12-09)
Autonomous control systems have been under intensive development in the off-road vehicle (ORV) industry because of high demand for increasing productivity in recent decades. In those systems, the progress has happened in ...
Real-Time Efficient Computational Approaches for Hydraulic Components and Particulate Energy Systems
(Lappeenranta-Lahti University of Technology LUT, 2020-12-11)
The so-called fourth industrial revolution requires high-speed data transmission and application of real-time computation to the phenomena. These two technologies highlight the potential of the digital-twin concept for ...
Coupling multibody dynamics and hydraulic actuators for indirect Kalman filtering and real-time simulation
(Lappeenranta-Lahti University of Technology LUT, 2021-10-15)
The computer simulation of complex mechanical systems can be performed using multibody dynamics. Multibody models often include a description of hydraulic actuators, which can introduce numerical stiffness into the models. ...
Multibody system dynamics driven product processes
(Lappeenranta-Lahti University of Technology LUT, 2021-11-05)
Sustainable business models emphasize the application of digital solutions to enhance customer value throughout the product lifecycle. This dissertation contributes to the development of methods that integrate multibody- ...
Fast and accurate simulation of fluid power circuits in the presence of small volumes using advanced methods and models for numerical stiffness elimination
(Lappeenranta-Lahti University of Technology LUT, 2023-06-02)
The modeling and simulation of fluid power systems are essential parts of the real-time simulation of virtual prototypes of mobile working machines. In several cases, in the dynamic simulation of such fluid power systems, ...
Sigma-point Kalman Filtering in Physics-based Digital Twin Applications: Synchronization between Simulation and RealWorld
(Lappeenranta-Lahti University of Technology LUT, 2023-12-22)
In recent years, the integration of real-world systems and physics-based simulations has become increasingly necessary. Multibody-based simulations, in combination with information-fusing techniques such as nonlinear Kalman ...