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Gerardo Colín-García, Enrique Palacios-Vélez, Adolfo López-Pérez, Martín Alejandro Bolaños-González, Héctor Flores-Magdaleno, Roberto Ascencio-Hernández and Enrique Inoscencio Canales-Islas
Assessing the impact of climate change is essential for developing water resource management plans, especially in areas facing severe issues regarding ecosystem service degradation. This study assessed the effects of climate change on the hydrological ba...
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Chatrpol Pakasiri, Ke-Chung Hsu and Sen Wang
In this paper, a wideband VCO that covers popular Long-Term Evolution (LTE) 0.7 GHz and LTE 2.6 GHz frequencies is designed and developed in a standard 0.18 µm CMOS process. The VCO utilizes active inductors to achieve coarse-tuning of the inductance and...
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Haohao Guo, Tianxiang Xiang, Yancheng Liu, Qiaofen Zhang, Yi Wei and Fengkui Zhang
This paper proposes a new method for compensating current measurement errors in shipboard permanent magnet propulsion motors. The method utilizes cascade decoupling second-order generalized integrators (SOGIs) and adaptive linear neurons (ADALINEs) as th...
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Abdullah Kurtoglu, Amir H. M. Shirazi, Shahriar Mirabbasi and Hossein Miri Lavasani
This work presents a novel trusted LC voltage-controlled oscillator (VCO) with an embedded compact analog Physically Unclonable Function (PUF) used for authentication. The trusted VCO is implemented in a 1P9M 65 nm standard CMOS process and consumes 1.75...
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P. Purushothama Chary, Rizwan Shaik Peerla and Ashudeb Dutta
This paper presents a wideband approach for L5 and S-band integer-N phase-locked loop (PLL) targeting Indian Regional Navigation Satellite System (IRNSS) applications. A reference spur reduction technique using a ????-??
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m
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filter is proposed. The ...
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Muhammad Faisal Siddiqui, Mukesh Kumar Maheshwari, Muhammad Raza and Aurangzeb Rashid Masud
This article presents the design and optimization of a tunable quadrature differential LC CMOS voltage-controlled oscillator (VCO) with a D flip-flop (DFF) frequency divider. The VCO is designed for the low-power and low-phase-noise applications of 2.4 G...
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Rongjun Mu, Yanpeng Deng and Peng Wu
In this paper, a novel guidance algorithm based on adaptive convex optimization is proposed to ensure robustness in the uncertainty of a lunar lander?s parameters and satisfy the constraints of terminal position, velocity, attitude, and thrust. To addres...
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Justin R. Mansell, John M. Bellardo, Bruce Betts, Barbara Plante and David A. Spencer
The propellantless thrust of solar sails makes them capable of entirely new classes of missions compared to conventional or electric engines. Initiated in 2010, the Planetary Society?s LightSail program sought to advance solar sail technology with the fl...
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Wei Zhang, Feng Li, Junlin Li and Qinkun Cheng
Space is the driving force of the world?s sustainable development, and ensuring the sustainability of human activity in space is also necessary. Robotic arm active debris capture removal (RA-ADCR) is a noteworthy technology for containing the dramatic in...
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Zhenchuan Lu, Kamale Tuokedaerhan, Haotian Cai, Hongguo Du and Renjia Zhang
This article presents the sol-gel method for depositing La2O3 thin films on n-type Si substrates and quartz substrates, and investigates the impact of annealing temperature on the microcomposition, surface morphology, optical properties, and band charact...
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