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Investigating the feasibility of a novel asymmetrical friction damper Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-12-05 Zi Gu, Wensheng Lu, Wenlu Wen, Zeeshan Qaiser
This paper presents a novel asymmetrical self-locking mechanism (ASLM) and compact asymmetrical friction dampers (AFDs) designed to enhance serviceability in vibration control for structures. The proposed ASLM is based on frictional surfaces that are engage to provide the necessary damping feature. Simplified and detailed theoretical models are developed and utilized for the parametric study of the
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Variational Bayesian Modal Composition Beamforming for fast-rotating axial-fan blade-noise localization and its application condition Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-12-06 Ning Chu, Keyu Hu, Huimin Han, Liang Yu, Weihua Yang
The Modal Composition Beamforming (MCB) method can quickly achieve the localization of fast-rotating sound sources; however, its low resolution and unclear applied conditions severely limit its industrial application. This study aims to investigate the MCB-based high-resolution localization method for multiple rotating sound sources and apply it to the localization and identification of axial-fan blade-noise
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Online damage monitoring of inelastic seismic response of a reinforced concrete structure Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-12-06 M. Nalepka, Z. Zembaty, P.A. Bońkowski
Methods of early warning in damage detection of civil engineering structures represent a particular challenge in Structural Health Monitoring (SHM). To investigate these problems, vibration records of a full-size, reinforced concrete frame subjected to seismic damages on a shaking table, were investigated. The seismic recordings of excitations and response were accompanied by images of cracks associated
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Clamp-shear coupling compensation of a walking piezo actuator combining ILC and hysteresis compensation Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-12-06 Qin Li, Zhiwei Ruan, Liang Guo, Chenyang Ding
This paper presents an analysis and experimental study on clamp-shear coupling of a walking piezo actuators (WPA) during foot-switching. It is observed that the foot-switching introduces disturbances to the translator which causes undesired dynamic responses and this is indeed the primary factor that deteriorates motion precision. To address this issue, iterative learning control (ILC) carried out
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Vibration mitigation and energy harvesting of vibro-impact dielectric elastomer oscillators Int. J. Mech. Sci. (IF 7.3) Pub Date : 2023-12-05 Mengyao Wu, Jianwei Zhang, Haofeng Wu
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Lateral flexion of a compliant spine improves motor performance in a bioinspired mouse robot Sci. Robot. (IF 25.0) Pub Date : 2023-12-06 Zhenshan Bing, Alex Rohregger, Florian Walter, Yuhong Huang, Peer Lucas, Fabrice O. Morin, Kai Huang, Alois Knoll
A flexible spine is critical to the motion capability of most animals and plays a pivotal role in their agility. Although state-of-the-art legged robots have already achieved very dynamic and agile movement solely relying on their legs, they still exhibit the type of stiff movement that compromises movement efficiency. The integration of a flexible spine thus appears to be a promising approach to improve
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Animal robots in the African wilderness: Lessons learned and outlook for field robotics Sci. Robot. (IF 25.0) Pub Date : 2023-12-06 Kamilo Melo, Tomislav Horvat, Auke J. Ijspeert
In early 2016, we had the opportunity to test a pair of sprawling posture robots, one designed to mimic a crocodile and another designed to mimic a monitor lizard, along the banks of the Nile River in Uganda, Africa. These robots were developed uniquely for a documentary by the BBC called Spy in the Wild and fell at the intersection of our interests in developing robots to study animals and robots
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Toward three-dimensional DNA industrial nanorobots Sci. Robot. (IF 25.0) Pub Date : 2023-12-06 Feng Zhou, Heng Ni, Guolong Zhu, Lev Bershadsky, Ruojie Sha, Nadrian C. Seeman, Paul M. Chaikin
Nanoscale industrial robots have potential as manufacturing platforms and are capable of automatically performing repetitive tasks to handle and produce nanomaterials with consistent precision and accuracy. We demonstrate a DNA industrial nanorobot that fabricates a three-dimensional (3D), optically active chiral structure from optically inactive parts. By making use of externally controlled temperature
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A new time integration method based on state formulations for dynamic analysis of nonviscously damped systems Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-12-03 Taufeeq Ur Rehman Abbasi, Faizan Faraz, Salamat Ullah, Madiha Bukhsh, Zhe Ding, Bin Wu, Weiqiu Chen
The mode superposition method (MSM), which is used for dynamic response calculations of nonviscously damped systems, requires state–space eigensolutions, which incur a high computational cost. This study proposed an alternative symmetric formulation-based time integration method for analyzing structural dynamic systems. An anelastic displacement field (ADF) model was introduced to capture damping mechanisms
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Nano-frictional mechano-reinforcing porous nanowires scaffolds Friction (IF 6.8) Pub Date : 2023-12-04 Licheng Hua, Conghu Hu, Jingkang Zhang, Jin Li, Chenjie Gu, Bin Huang, Guangyong Li, Jianke Du, Wanlin Guo
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Hydration lubrication modulated by water structure at TiO2-aqueous interfaces Friction (IF 6.8) Pub Date : 2023-12-04 Pingsu Ma, Yuan Liu, Ke Han, Yu Tian, Liran Ma
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Mechanisms behind the environmental sensitivity of carbon fiber reinforced polytetrafluoroethylene (PTFE) Friction (IF 6.8) Pub Date : 2023-12-04 P. Johansson, P. Marklund, M. Björling, Y. Shi
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Classification and spectrum optimization method of grease based on infrared spectrum Friction (IF 6.8) Pub Date : 2023-12-05 Xin Feng, Yanqiu Xia, Peiyuan Xie, Xiaohe Li
The infrared (IR) absorption spectral data of 63 kinds of lubricating greases containing six different types of thickeners were obtained using the IR spectroscopy. The Kohonen neural network algorithm was used to identify the type of the lubricating grease. The results show that this machine learning method can effectively eliminate the interference fringes in the IR spectrum, and complete the feature
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Study on frictional behavior of SiCf/SiC composite clad tube clamping condition under nuclear irradiation Friction (IF 6.8) Pub Date : 2023-12-05 Chenglong Xiao, Liangliang Shen, Tianqi Zhu, Jianbo Tang, Ximing Xie, Xinyu Fan, Jian Xu, Zhiying Ren
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Tribological behavior of shape-specific microplate-enriched synovial fluids on a linear two-axis tribometer Friction (IF 6.8) Pub Date : 2023-12-04 Agnese Fragassi, Antonietta Greco, Martina Di Francesco, Luca Ceseracciu, Aiman Abu Ammar, Israel Dvir, Thomas Lee Moore, Haytam Kasem, Paolo Decuzzi
Nano- and micro-particles are being increasingly used to tune interfacial frictional properties in diverse applications, from friction modifiers in industrial lubrication to enhanced biological fluids in human osteoarthritic joints. Here, we assessed the tribological properties of a simulated synovial fluid enriched with non-spherical, poly lactic-co-glycolic acid (PLGA) microparticles (µPL) that have
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Research on the mechanism of the two-dimensional ultrasonic surface burnishing process to enhance the wear resistance for aluminum alloy Friction (IF 6.8) Pub Date : 2023-12-04 Zhen-Yu Zhou, Qiu-Yang Zheng, Yu Li, Cong Ding, Guang-Jian Peng, Zhong-Yu Piao
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High-temperature tribological performance of functionally graded Stellite 6/WC metal matrix composite coatings manufactured by laser-directed energy deposition Friction (IF 6.8) Pub Date : 2023-12-04 Marta Ostolaza, Alaitz Zabala, Jon Iñaki Arrizubieta, Iñigo Llavori, Nagore Otegi, Aitzol Lamikiz
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Finite element analysis and experimental validation of polymer–metal contacts in block-on-ring configuration Friction (IF 6.8) Pub Date : 2023-12-04 K. Y. Eayal Awwad, Khosro Fallahnezhad, B. F. Yousif, Ahmad Mostafa, Omar Alajarmeh, A. Shalwan, Xuesen Zeng
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Towards a circular economy for electrical products: A systematic literature review and research agenda for automated recycling Robot. Comput.-Integr. Manuf. (IF 10.4) Pub Date : 2023-12-02 Patrick Bründl, Albert Scheck, Huong Giang Nguyen, Jörg Franke
The growing need for sustainable waste management, especially for electronic waste (e-waste), has gained attention due to its environmental and economic implications. Despite the technological evolution of electronic products, their short lifespan and frequent replacement have led to a surge in discarded equipment. In particular, e-waste is rich in valuable materials, often exceeding natural ores.
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Numerical and experimental study on the dynamic equivalent methodology of a membrane antenna structure and a grid membrane structure Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-12-02 Shaochen Yang, Bing Zhao, Yibei Zhang, Wujun Chen, Sen Wang, Yuhui Fang, Zhigang Zheng, Chao Xie, Guangqiang Fang
The dynamic equivalent methodology utilizing a grid membrane substitute for a planar membrane for vibration test verification on the ground has been demonstrated in small sizes with simple constraints. The method lacks accuracy and validity for a real complex membrane antenna. This paper thus focuses on the applicability of the equivalence approach to a membrane antenna and the factors affecting its
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A hybrid rotordynamic modeling method for a rotor system with flexible foundation and nonlinear support force: Numerical and experimental investigation Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-12-02 Shuai Li, Qihang Li, Shuai Gao, Can Chen, Weimin Wang
The dynamic characteristics of a flexible foundation would greatly affect the dynamic behavior of the rotor system. In this paper, a hybrid dynamic model method in time domain combines the finite element (FE) method and the subspace-based identification method to model a rotor system with the consideration of a flexible foundation and nonlinear support forces. The state-space model of flexible foundation
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Improved explicit quartic B-spline time integration scheme for dynamic response analysis of viscoelastic systems Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-12-04 Tianhao Liu, Pan Wang, Weibin Wen, Fan Feng
A quartic B-spline based explicit scheme is extended for dynamic analysis of viscoelastic systems. In the calculation formulation, different integration approximation schemes for exponential damping models and other damping models are presented. The mathematical derivation of the convolution solving strategy is formulated for viscoelastic systems. For the damping models composed of exponential function
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Elastic wave propagation in a porous composite with gradient porosity Int. J. Mech. Sci. (IF 7.3) Pub Date : 2023-12-03 Shiwen Feng, Q.M. Li, Zhongmin Xiao, Dongwei Shu
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A hierarchical Bayesian modeling framework for identification of Non-Gaussian processes Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-11-29 Menghao Ping, Xinyu Jia, Costas Papadimitriou, Xu Han, Chao Jiang, Wang-Ji Yan
Non-Gaussian processes are frequently encountered in engineering problems, posing a challenge when it comes to identification. The main challenge in the identification arises from the fact that a non-Gaussian process can be treated as a collection of infinite dimensional non-Gaussian variables. The application of the hierarchical Bayesian modeling (HBM) framework is constrained due to the inherent
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An enhanced ultrasonic method for monitoring and predicting stress loss in multi-layer structures via vibro-acoustic modulation Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-11-30 Jingjing He, Xizhong Wu, Xuefei Guan
A sensitivity and reliability enhanced ultrasonic method for monitoring and predicting stress loss in pre-stressed multi-layer structures is developed in this study. The enhancement is based on the idea of leveraging the potential breathing effect of porous cushion materials in the structures to increase the sensitivity of the signal feature to stress loss, and is achieved via vibro-acoustic modulation
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Design of an ultrathin passive isolator based on multi-layer plain-woven wire mesh Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-12-01 Meng Jia, Ning Dai, Yao Ge, Rui-bo Yang, Lei Yan, Jiu-yang Bai
Spacecraft devices have strict restrictions on weight and volume for high fuel efficiency and endurance requirements. In this paper, a method for designing an ultrathin passive vibration isolator based on multi-layer plain-woven wire mesh is proposed. The isolator is structurally inspired by O-type wire rope isolators, and the wire mesh is pre-compressed to buckling for lower stiffness and higher stability
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A novel visual representation method for multi-dimensional sound scene analysis in source localization problem Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-12-02 In-Jee Jung, Wan-Ho Cho
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A novel ball-screw-driven rigid–flexible coupling stage with active disturbance rejection control to compensate for friction dead zone Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-12-02 Hao Peng, Shengqiang Wei, Xiaohong Huang, Ruiqi Li, Zhijun Yang
The conventional ball-screw-driven high-speed precision motion stage, which is often referred to as rigid stage, usually employs mechanical bearings to achieve superior stiffness and rapid response. Despite these advantages, a high-stiffness design of the rigid stage can limit the positioning precision owing to the friction dead zone. In this study, we propose a ball-screw-driven rigid–flexible coupling
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Knowledge-wrapping method for prediction and evaluation of material removal behavior in robotic belt grinding Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-12-02 Zeyuan Yang, Xiaohu Xu, Jie Li, Dahu Zhu, Sijie Yan, Shuzhi Sam Ge, Han Ding
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An unscented Kalman filter under unknown input without direct feedthrough for joint input and system identification of structural systems Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-12-02 Shiyu Wang, Ying Lei
Given the difficulty of accurately measuring external inputs acting on structures, the research on joint input-system identification has gained significant attention in recent years. Among them, several unscented Kalman filters under unknown input (UKF-UI) based methods have been proposed for joint input and system identification. However, the existing UKF-UI methods require unknown inputs to be presented
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Dynamic identification of coupler yaw angle of heavy haul locomotive: An optimal multi-task ELM-based method Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-12-02 Bo Xie, Shiqian Chen, Peize Song, Xiangrui Ran, Kaiyun Wang
The lateral instability of the couplers seriously threaten the operation safety of 20,000-tonne heavy-haul trains. It is essential to dynamically monitor the coupler yaw angle (CYA) in order to evaluate the operation stability of the train. However, the traditional direct measurement methods for CYA are hindered by the harsh service environment, making it difficult to maintain long-term stability in
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A novel dynamic load identification method based on improved basis functions and implicit Newmark-β for continuous system with unknown initial conditions Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-12-02 Jinhui Jiang, Wenxu Cui, Shuang Chen, Xinrui Guo, Jiamin Zhao
For structural design and optimization, precise knowledge of dynamic load on structures is essential. However, load identification can be sensitive to the initial conditions, and even small variations can lead to inaccurate results. The existing load identification methods always assume that the structure’s initial condition is zero, which is not the case in real engineering problems where structures
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Acoustic signal-based automated control of welding penetration using digital twin technology Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-12-02 Ji Tao, Norzalilah Mohamad Nor, Ahmad Baharuddin Bin Abdullah
Weld penetration control has emerged as a critical area of research in the field of online control for ensuring the quality of robotic welds. Acoustic signals, which are known for their distinct temporal characteristics, play a pivotal role in the online assessment of weld quality. This study proposes a novel filter bank specifically tailored for robotic welding and investigates the working environment
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An integrated surrogate model-driven and improved termite life cycle optimizer for damage identification in dams Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-12-03 YiFei Li, Hoang-Le Minh, MaoSen Cao, Xiangdong Qian, Magd Abdel Wahab
Structural Damage Identification (SDI) is a crucial branch in the field of structural health monitoring, providing an essential support for the safe operation of structures. In this paper, a novel structural damage identification method based on a surrogate-assisted evolutionary optimization algorithm is proposed. This method incorporates cost-effective surrogate modelling techniques and swarm intelligence
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Additive manufacture of ultrasoft bioinspired metamaterials Int. J. Mach. Tool Manu. (IF 14.0) Pub Date : 2023-12-01 Zhenyang Gao, Pengyuan Ren, Hongze Wang, Zijue Tang, Yi Wu, Haowei Wang
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Acoustic higher-order topological states in kagome lattice with split-ring resonators Int. J. Mech. Sci. (IF 7.3) Pub Date : 2023-12-03 Chen Chen, Tianning Chen, Wei Ding, Rui Zhang, Jian Zhu
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Experimental characterization and numerical analysis of CFRPs at cryogenic temperatures Int. J. Mech. Sci. (IF 7.3) Pub Date : 2023-11-28 Paulo Teixeira Goncalves, Albertino Arteiro, Nuno Rocha
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Gaussian process regression-driven deep drawing blank design method Int. J. Mech. Sci. (IF 7.3) Pub Date : 2023-11-28 Seungro Lee, Youngbin Lim, Lander Galdos, Taeyong Lee, Luca Quagliato
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Approximate Global Mode Method for Flutter Analysis of Folding Wings Int. J. Mech. Sci. (IF 7.3) Pub Date : 2023-12-01 Kaiyuan Tian, Yilong Wang, Dengqing Cao, Kaiping Yu
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Stability Analysis of Near-field Acoustic Levitation Considering Misalignment and Inclination Int. J. Mech. Sci. (IF 7.3) Pub Date : 2023-11-30 Yuanyuan Liu, Xiaodong Sun, Zilong Zhao, Haohao Zeng, Wenjie Chen
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Data-driven inverse design of composite triangular lattice structures Int. J. Mech. Sci. (IF 7.3) Pub Date : 2023-11-29 Xiang-Long Peng, Bai-Xiang Xu
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A novel damage detection method for carbon fibre reinforced polymer structures based on distributed strain measurements with fibre optical sensor Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-11-28 Yingwu Li, Zahra Sharif-Khodaei
This paper presents a novel approach for damage detection in carbon fibre reinforced polymer (CFRP) structures based on local strain feature matching. The proposed approach utilizes distributed in-plane strain measurements for plate structures under load (in-service application) to define a local point autocorrelation coefficient based on Delaunay triangulation and Hausdorff distance. This coefficient
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An adaptive hybrid deep learning-based reliability assessment framework for damping track system considering multi-random variables Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-11-30 Fang Cheng, Hui Liu
Reliability assessment is essential in the design and management of rail transit system (RTS), with a heightened focus on damping tracks that feature low-stiffness structures and various uncertainties. However, existing research on RTS has notable gaps: one is the unexplored nonlinear track irregularities in surrogate model, while the other is the significant computational burden of current reliability
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Real-time yaw-misalignment calibration and field-test verification of wind turbine via machine learning methods Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-11-30 Pei Chen, Zhongwei Lin, Zhen Xie, Chenzhi Qu
It has become a general consensus that nacelle-mounted LiDAR can be used to calibrate the yaw misalignment or drive the real-time yaw motions for wind turbines, which would improve the power-generation efficiency. The advantage of LiDAR utilization is that the accuracy of inflow wind measurement would be greatly improved, while its disadvantage is that the cost remains high and the data validity is
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A novel design of an array of pendulum-based electromagnetic broadband vibration energy harvester Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-11-30 Murugesan Rajarathinam, Jan Awrejcewicz, Shaikh Faruque Ali
This work investigates a novel design of an electromagnetic vibration energy harvester array based on pendulum structures under harmonic base excitation. The design includes combined magnetic-solenoid pendulum harvesters with different mechanical coupling configurations. A comparison is made with standalone magnetic and solenoid pendulum based harvester arrays under similar excitation conditions. Additionally
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Spectral estimation model for linear displacement and vibration monitoring with GBSAR system Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-11-30 Benyamin Hosseiny, Jalal Amini, Hossein Aghababaei
In recent years, there has been a growing interest in the development of ground-based Synthetic Aperture Radars (GBSAR) for the purpose of monitoring structural displacements. GBSAR offers high-resolution monitoring over a wide area and can capture data every few minutes. However, compact high-frequency multiple input multiple output (MIMO) radars have emerged as an alternative for monitoring sub-second
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Low-viscosity oligoether esters (OEEs) as high-efficiency lubricating oils: Insight on their structure–lubricity relationship Friction (IF 6.8) Pub Date : 2023-12-01 Hanwen Wang, Ying Wang, Ping Wen, Lin Ma, Mingjin Fan, Rui Dong, Chunhua Zhang
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Comparison-embedded evidence-CNN model for fuzzy assessment of wear severity using multi-dimensional surface images Friction (IF 6.8) Pub Date : 2023-12-01 Tao Shao, Shuo Wang, Qinghua Wang, Tonghai Wu, Zhifu Huang
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A numerical model to simulate the transient frictional viscoelastic sliding contact Friction (IF 6.8) Pub Date : 2023-11-29 Dongze Wang, Gregory de Boer, Anne Neville, Ali Ghanbarzadeh
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A lubrication model for bubbly oil lubrication with interfacial effect and thermal effect using the theory of multiphase mixtures Friction (IF 6.8) Pub Date : 2023-11-29 Shaohua Li, Xiaohui Lin, Shuyun Jiang
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Interfacial mechanism of hydrogel with controllable thickness for stable drag reduction Friction (IF 6.8) Pub Date : 2023-11-29 Xiaotong Wu, Ying Liu, Yunlei Zhang, Xingwei Wang, Wufang Yang, Lang Jiang, Shuanhong Ma, Meirong Cai, Feng Zhou
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Development of wet adhesion of honeybee arolium incorporated polygonal structure with three-phase composite interfaces Friction (IF 6.8) Pub Date : 2023-11-29 Lulu Liang, Jieliang Zhao, Qun Niu, Li Yu, Xiangbing Wu, Wenzhong Wang, Shaoze Yan, Zhenglei Yu
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Influence of contact curvature on frictional energy dissipation under varying tangential loads Friction (IF 6.8) Pub Date : 2023-11-29 Sumin Baek, Seunghun Baek
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Saffman–Taylor instability in eccentric cylinders at gaseous cavitation Friction (IF 6.8) Pub Date : 2023-11-29 Anatoliy A. Monakhov, Nikolay Bukharin
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Is "suicide by droid" satire or a real possibility? Sci. Robot. (IF 25.0) Pub Date : 2023-11-29 Robin R Murphy
Zed: A Novel humorously illustrates the need for, and challenges facing, the European Union Artificial Intelligence Act.
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"Robots for good": Ten defining questions. Sci. Robot. (IF 25.0) Pub Date : 2023-11-29 Selma Šabanović,Vicky Charisi,Tony Belpaeme,Cindy L Bethel,Maja Matarić,Robin Murphy,Shelly Levy-Tzedek
Ten questions to guide reflection and assessment of the "good" in robotics projects are suggested.
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Octopus-inspired sensorized soft arm for environmental interaction Sci. Robot. (IF 25.0) Pub Date : 2023-11-29 Zhexin Xie, Feiyang Yuan, Jiaqi Liu, Lufeng Tian, Bohan Chen, Zhongqiang Fu, Sizhe Mao, Tongtong Jin, Yun Wang, Xia He, Gang Wang, Yanru Mo, Xilun Ding, Yihui Zhang, Cecilia Laschi, Li Wen
Octopuses can whip their soft arms with a characteristic “bend propagation” motion to capture prey with sensitive suckers. This relatively simple strategy provides models for robotic grasping, controllable with a small number of inputs, and a highly deformable arm with sensing capabilities. Here, we implemented an electronics-integrated soft octopus arm (E-SOAM) capable of reaching, sensing, grasping
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Hybrid deconvolution separation methods based on matrix completion for multi-motion modes sound sources Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-11-27 Hongjie Hou, Fangli Ning, Wenxun Li, Qingbo Zhai, Juan Wei
Beamforming techniques cannot effectively separate the mixed field of stationary and rotating sound sources. The issue becomes even more challenging when strong out-of-focus sources, e.g., stationary sources with rotating beamforming, are present, leading to a smearing effect and false localization results. The current algorithms for separating multiple moving sound sources have problems such as weak
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Emulating the dynamics of complex systems using autoregressive models on manifolds (mNARX) Mech. Syst. Signal Process. (IF 8.4) Pub Date : 2023-11-28 Styfen Schär, Stefano Marelli, Bruno Sudret
We propose a novel surrogate modelling approach to efficiently and accurately approximate the response of complex dynamical systems driven by time-varying exogenous excitations over extended time periods. Our approach, namely manifold nonlinear autoregressive modelling with exogenous input (mNARX), involves constructing a problem-specific exogenous input manifold that is optimal for constructing autoregressive
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Achieving material diversity in wire arc additive manufacturing: Leaping from alloys to composites via wire innovation Int. J. Mach. Tool Manu. (IF 14.0) Pub Date : 2023-11-28 Hao Yi, Le Jia, Jialuo Ding, Huijun Li