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Modern engineering design processes are driven by the extensive use of numerical simulations; naval architecture and ocean engineering are no exception. Computational power has been improved over the last few decades; therefore, the integration of different tools such as CAD, FEM, CFD, and CAM has enabled complex modeling and manufacturing problems to be solved in a more feasible way. Classical naval design methodology can take advantage of this integration, giving rise to more robust designs in terms of shape, structural and hydrodynamic performances, and the manufacturing process.This Special Issue invites researchers and engineers from both academia and the industry to publish the latest progress in design and manufacturing techniques in marine engineering and to debate the current issues and future perspectives in this research area. Suitable topics for this issue include, but are not limited to, the following:CAD-based approaches for designing the hull and appendages of sailing and engine-powered boats and comparisons with traditional techniques;Finite element method applications to predict the structural performance of the whole boat or of a portion of it, with particular attention to the modeling of the material used;Embedded measurement systems for structural health monitoring;Determination of hydrodynamic efficiency using experimental, numerical, or semi-empiric methods for displacement and planning hulls;Topology optimization techniques to overcome traditional scantling criteria based on international standards;Applications of additive manufacturing to derive innovative shapes for internal reinforcements or sandwich hull structures.

Technology: general issues --- History of engineering & technology --- wave compensation platform --- 3-SPR parallel platform --- 3-RPS parallel platform --- structure optimization --- workspace analysis --- level 4 sea state --- cryogenic tank --- boil-off gas (BOG) --- boil-off rate (BOR) --- finite element analysis (FEA) --- liquid nitrogen --- near-bottom zooplankton --- multi-net --- visible sampling --- fidelity --- deep sea --- sailing yacht design --- rational Bézier curves --- VBA --- excel --- CAD --- VPP --- computational fluid dynamics --- hull design --- air cavity ships --- hull ventilation --- stepped planing hull --- Cartesian adaptive grids --- immersed boundaries --- LES simulation --- velocity prediction program --- numerical optimization --- High-Fidelity analysis --- geometric parameterization --- multihull design --- finite element method --- FSI --- sail design --- gennaker --- sail loads --- biomimetic design --- lightweight structure --- computer fluid dynamics --- design for additive manufacturing --- autonomous underwater vehicle (AUV) --- collision avoidance planning --- deep reinforcement learning (DRL) --- double-DQN (D-DQN) --- computational model --- oscillating water column --- wave energy converter --- turbulent flows --- Savonius turbine --- n/a --- rational Bézier curves

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Modern engineering design processes are driven by the extensive use of numerical simulations; naval architecture and ocean engineering are no exception. Computational power has been improved over the last few decades; therefore, the integration of different tools such as CAD, FEM, CFD, and CAM has enabled complex modeling and manufacturing problems to be solved in a more feasible way. Classical naval design methodology can take advantage of this integration, giving rise to more robust designs in terms of shape, structural and hydrodynamic performances, and the manufacturing process.This Special Issue invites researchers and engineers from both academia and the industry to publish the latest progress in design and manufacturing techniques in marine engineering and to debate the current issues and future perspectives in this research area. Suitable topics for this issue include, but are not limited to, the following:CAD-based approaches for designing the hull and appendages of sailing and engine-powered boats and comparisons with traditional techniques;Finite element method applications to predict the structural performance of the whole boat or of a portion of it, with particular attention to the modeling of the material used;Embedded measurement systems for structural health monitoring;Determination of hydrodynamic efficiency using experimental, numerical, or semi-empiric methods for displacement and planning hulls;Topology optimization techniques to overcome traditional scantling criteria based on international standards;Applications of additive manufacturing to derive innovative shapes for internal reinforcements or sandwich hull structures.

Technology: general issues --- History of engineering & technology --- wave compensation platform --- 3-SPR parallel platform --- 3-RPS parallel platform --- structure optimization --- workspace analysis --- level 4 sea state --- cryogenic tank --- boil-off gas (BOG) --- boil-off rate (BOR) --- finite element analysis (FEA) --- liquid nitrogen --- near-bottom zooplankton --- multi-net --- visible sampling --- fidelity --- deep sea --- sailing yacht design --- rational Bézier curves --- VBA --- excel --- CAD --- VPP --- computational fluid dynamics --- hull design --- air cavity ships --- hull ventilation --- stepped planing hull --- Cartesian adaptive grids --- immersed boundaries --- LES simulation --- velocity prediction program --- numerical optimization --- High-Fidelity analysis --- geometric parameterization --- multihull design --- finite element method --- FSI --- sail design --- gennaker --- sail loads --- biomimetic design --- lightweight structure --- computer fluid dynamics --- design for additive manufacturing --- autonomous underwater vehicle (AUV) --- collision avoidance planning --- deep reinforcement learning (DRL) --- double-DQN (D-DQN) --- computational model --- oscillating water column --- wave energy converter --- turbulent flows --- Savonius turbine --- wave compensation platform --- 3-SPR parallel platform --- 3-RPS parallel platform --- structure optimization --- workspace analysis --- level 4 sea state --- cryogenic tank --- boil-off gas (BOG) --- boil-off rate (BOR) --- finite element analysis (FEA) --- liquid nitrogen --- near-bottom zooplankton --- multi-net --- visible sampling --- fidelity --- deep sea --- sailing yacht design --- rational Bézier curves --- VBA --- excel --- CAD --- VPP --- computational fluid dynamics --- hull design --- air cavity ships --- hull ventilation --- stepped planing hull --- Cartesian adaptive grids --- immersed boundaries --- LES simulation --- velocity prediction program --- numerical optimization --- High-Fidelity analysis --- geometric parameterization --- multihull design --- finite element method --- FSI --- sail design --- gennaker --- sail loads --- biomimetic design --- lightweight structure --- computer fluid dynamics --- design for additive manufacturing --- autonomous underwater vehicle (AUV) --- collision avoidance planning --- deep reinforcement learning (DRL) --- double-DQN (D-DQN) --- computational model --- oscillating water column --- wave energy converter --- turbulent flows --- Savonius turbine

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MEDER 2018, the IFToMM International Symposium on Mechanism Design for Robotics, was the fourth event in a series that was started in 2010 as a specific conference activity on mechanisms for robots. The aim of the MEDER Symposium is to bring researchers, industry professionals, and students together from a broad range of disciplines dealing with mechanisms for robots, in an intimate, collegial, and stimulating environment. In the 2018 MEDER event, we received significant attention regarding this initiative, as can be seen by the fact that the Proceedings contain contributions by authors from all around the world.The Proceedings of the MEDER 2018 Symposium have been published within the Springer book series on MMS, and the book contains 52 papers that have been selected after review for oral presentation. These papers cover several aspects of the wide field of robotics dealing with mechanism aspects in theory, design, numerical evaluations, and applications.This Special Issue of Robotics (https://www.mdpi.com/journal/robotics/special_issues/MDR) has been obtained as a result of a second review process and selection, but all the papers that have been accepted for MEDER 2018 are of very good quality with interesting contents that are suitable for journal publication, and the selection process has been difficult.

n/a --- robot control --- cylindrical --- V2SOM --- 3-UPU parallel mechanism --- McKibben muscle --- compliance control --- gait planning --- grasp stability --- robot singularity --- safety mechanism --- robot --- exercising device --- hexapod walking robot --- inadvertent braking --- energy efficiency --- robotic cell --- humanoid robots --- collaborative robot --- robot wrists --- humanoid robotic hands --- stability --- cable-driven robots --- image processing --- fail-safe operation --- VSA --- graphical user interface --- computer-aided design --- robotic legs --- human-robot-interaction --- shape changing --- painting robot --- shape memory alloy --- velocity control --- underactuated fingers --- safe physical human–robot interaction (pHRI) --- human-machine interaction --- compliant mechanism --- iCub --- robot-assisted Doppler sonography --- pHRI --- spherical parallel mechanism --- mobile manipulation --- economic locomotion --- haptic glove --- learning by demonstration --- robot kinematics --- variable stiffness actuator (VSA) --- workspace analysis --- singularity analysis --- collaborative robots --- parallel mechanisms --- rolling --- SMA actuator --- elliptical --- cable-driven parallel robots --- non-photorealistic rendering --- redundancy --- kinematic redundancy --- variable stiffness actuator --- trajectory planning --- kinematics --- pneumatic artificial muscle --- artistic rendering --- force reflection --- safe physical human–robot interaction --- orientational mechanisms --- teleoperation --- actuation burden --- cobot --- hand exoskeleton --- safe physical human-robot interaction (pHRI) --- safe physical human-robot interaction

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In modern times, mechatronic and robotic systems are developing at a faster pace than in the past, and research on novel solutions and applications of such devices are studied in both industrial and academic environments. The second volume of this Special Issue of Applied Sciences aims to disseminate the latest research achievements, ideas, and applications of the modeling and control of mechatronic and robotic systems, with particular emphasis on novel trends and challenges. We invited contributions to this Special Issue on topics including (but not limited to): modeling and control, path and trajectory planning, optimization problems, collaborative robotics, mechatronics, flexible multi-body systems, mobile robotics, and manufacturing applications.

wobble motor --- permeance --- magnetic circuit --- leakage flux --- electropermanent magnet --- force model --- inverse kinematics --- genetic algorithm --- workspace analysis --- multi-fingered anthropomorphic hand --- amphibious robot --- spherical robot --- assistant fin --- buoyancy --- hydrodynamic force --- robot --- crawler --- traction --- kinematics --- EOD Robot --- terrorist attacks --- hybrid control --- state machine --- Festo --- PLC --- friction force --- trout --- fish processing machine --- simulation --- vision based system --- humanoid robots --- robot design --- legged robots --- dynamic model --- harsh environment --- kinematic model --- mecanum wheel --- omnidirectional robot --- robotic platform --- surveillance --- flow-rate estimation --- automatic pouring machine --- extended Kalman filter --- mechatronics --- hysteresis --- advance trajectory control --- piezoelectric --- actuator --- neural networks --- robust control --- MPC --- foot location --- motion planning --- gait transitioning --- deep deterministic policy gradients --- snake manipulator --- data-driven --- accuracy --- 6DoF motion platform --- monitoring system --- crank arm mechanisms --- cable-driven parallel robots --- overconstrained robots --- design --- non-contact operations --- behavior-based --- climber robot --- control --- control architecture --- fault-tolerant --- legged robot --- optimization --- 3D printer --- Cartesian kinematics --- vibration analysis --- additive manufacturing --- mechanical design --- closed-kinematic chain manipulator (CKCM) --- sliding mode control (SMC) --- time-delay estimation (TDE) --- nonsingular fast terminal sliding mode control (NFTSMC) --- synchronization control --- model-free control --- n/a