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Ahmed Elgamal and Nissreen Elfaris
The tunnel boring method (TBM) is a widely used and effective tunneling technology in various rock mass quality circumstances. A ?faulted rock mass? can range from a highly fractured rock mass to a sheared weak rock mass, making the ground conditions cha...
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Jing-Shan Zhao, Song-Tao Wei and Xiao-Cheng Sun
This paper investigates the kinematics and dynamics of multi-rigid-body systems in screw form. The Newton?Euler dynamics equations are established in screw coordinates. All forces and torques of the multi-rigid-body system can be solved straightforwardly...
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Duc-Tien Bui, Hexuan Li, Francesco De Cristofaro and Arno Eichberger
Lateral vehicle control is of high importance in automated vehicles as it directly influences the vehicle?s performance and safety during operation. The linear quadratic regulator (LQR) controller stands out due to its high-performance characteristics an...
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Yongtao Liu, Dongjian Zheng, Christos Georgakis, Thomas Kabel, Enhua Cao, Xin Wu and Jiajia Ma
During the operation period, the deformation of an ultra-high arch dam is affected by the large fluctuation of the reservoir water level. Under the dual coupling of the ultra-high dam and the complex water level conditions, the traditional variational an...
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Jordi Palacín, Elena Rubies and Eduard Clotet
Odometry is a simple and practical method that provides a periodic real-time estimation of the relative displacement of a mobile robot based on the measurement of the angular rotational speed of its wheels. The main disadvantage of odometry is its unboun...
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Han Qin and Luyu Li
The conclusions acquired in this paper can be used for assessing damping modeling errors in multiple support excitation problems. The modeling method proposed in this paper can be used for both spectral analysis, linear or nonlinear time history analysis...
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Dragos-Florin Chitariu, Florin Negoescu, Mihaita Horodinca, Catalin-Gabriel Dumitras, Gures Dogan and Mehmet Ilhan
This paper proposes a study in theoretical and experimental terms focused on the vibration beating phenomenon produced in particular circumstances: the addition of vibrations generated by two rotating unbalanced shafts placed inside a lathe headstock, wi...
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Nima Pirhadi, Xiaowei Tang and Qing Yang
Few empirical and semi-empirical approaches have considered the influence of the geology, tectonic source, causative fault type, and frequency content of earthquake motion on lateral displacement caused by liquefaction (DH). This paper aims to address th...
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