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Vasyl Shukalovych
Pág. 627 - 633
instruments of synergetic approach. Results of the study were obtained using a methodology that includes theoretical synchronization of synergy tools and economic phenomena at the macro and micro level; simulative modeling stages of development of the ma...
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Rudi Uswarman, Swadexi Istiqphara, Rajif Agung Yunmar, Arkham Zahri Rakhman
Pág. 135 - 143
Sliding Mode Control (SMC) used to control the stability of a quadcopter from disturbances and uncertainties. This technique has two main advantages: the nonlinear dynamics and modelling errors of the quadcopter can be eliminated by switching function an...
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Angela Maria Morais Silva,Francisca Kamila Amâncio Frutuoso,Francisco Wedson Faustino,Suélho Pereira dos Santos,Francisca Adriana Fernandes Simões,Vagner Sales dos Santos,Yannice Tatiane da Costa Santos
Pág. 135 - 146
O presente estudo objetiva avaliar o comportamento dos parâmetros de estabilização de um lodo anaeróbio em sistema de bancada, durante seu processo de aclimatação com novo efluente. A aclimatação do lodo-inóculo foi realizada no reator de aclimatação de ...
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Shuang Ruan, Ming Zhang, Shaofei Yang, Xiaohang Hu and Hong Nie
A dynamic model is established to investigate the shimmy instability of a landing gear system, considering the influence of nonlinear damping. The stability criterion is utilized to determine the critical speed at which the landing gear system becomes un...
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Qinsheng Yun, Xiangjun Wang, Shenghan Wang, Wei Zhuang and Wanlu Zhu
This paper investigates the small-signal stability of a DC shipboard power system (SPS) with the integration of a supercapacitor. As an efficient energy storage solution, supercapacitors can not only provide rapid energy response to sudden power demand s...
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Guofang Nan, Sirui Yang and Dengliang Yu
When the dual rotor system of the aircraft engine is operating, the mass eccentricity of the power turbine rotor and the misalignment of the shaft coupling or the bearing will cause too large vibration of the rotor; this vibration leads to the rub-impact...
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Ziqi Liu, Shogo Okamoto, Tomohito Kuroda and Yasuhiro Akiyama
Gait stability indices are crucial for identifying individuals at risk of falling while walking. The margin of stability is one such index, known for its good construct validity. Generally, the measurement of this stability index requires a motion captur...
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Bofu Zheng, Dan Wang, Yuxin Chen, Yihui Jiang, Fangqing Hu, Liliang Xu, Jihong Zhang and Jinqi Zhu
Background: Vegetation roots are considered to play an effective role in controlling soil erosion by benefiting soil hydrology and mechanical properties. However, the correlation between soil hydrology and the mechanical features associated with the vari...
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Animesh Samanta, Ayan Chatterjee and Mritunjay Kumar Singh
A study using mathematical modeling has been conducted to analyze how both man-made and natural sources of contaminants affect various layers of an aquifer-aquitard system. The xy-, yz-, and zx-plane have been used to depict the locations where the natur...
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Gudeta Berhanu Benti, Jan-Olov Aidanpää and Rolf Gustavsson
In 2015, a 45 MW vertical hydropower machine exhibited excessive vibration after refurbishment. Measurements revealed a substantial bearing clearance at the lower generator guide bearing. Consequently, the bearing was unable to generate sufficient opposi...
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