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Satoshi Hayakawa, Yoshikatsu Hoshi, Hidetoshi Oya
Pág. 155 - 168
This study proposes a method for designing observer-based quadratic guaranteed cost controllers for linear uncertain systems with control gain variations. In the proposed approach, an observer is designed, and then a feedback controller that ensures the ...
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Shun Ito, Kazuki Miyakoshi, Hidetoshi Oya, Yoshikatsu Hoshi, Shunya Nagai
Pág. 234 - 246
In this paper, for multi-agent systems (MASs) with leader-follower structures, we present a linear matrix inequality (LMI)-based design method of an adaptive gain controller considering relative distances between agents. The proposed adaptive gain contro...
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Xiaohua Tong, Runjie Wang, Wenzhong Shi and Zhiyuan Li
Mathematically describing the physical process of a sequential data assimilation system perfectly is difficult and inevitably results in errors in the assimilation model. Filter divergence is a common phenomenon because of model inaccuracies and affects ...
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Shyr-Long Jeng, Rohit Roy and Wei-Hua Chieng
Mason?s gain formula can grow factorially because of growth in the enumeration of paths in a directed graph. Each of the (n - 2)! permutation of the intermediate vertices includes a path between input and output nodes. This paper presents a novel method ...
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Zengcheng Zhou, Guoyuan Tang, Ruikun Xu, Lijun Han and Maolin Cheng
In this paper, the tracking control problem of underwater robot manipulators is investigated under the influence of the lumped disturbances, including unknown ocean current disturbances and parameter uncertainties. The proposed novel continuous nonsingul...
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Useok Jung, Moon-Gyeang Cho, Ji-Won Woo and Chang-Joo Kim
This paper treats a robust adaptive trajectory-tracking control design for a rotorcraft using a high-fidelity math model subject to model uncertainties. In order to control the nonlinear rotorcraft model which shows strong inter-axis coupling and high no...
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Hosein Gholami-Khesht, Pooya Davari, Chao Wu and Frede Blaabjerg
This paper proposes a systematic control design method for active damping control of grid-connected voltage source converters (VSCs). The proposed control method considers the conventional cascaded control loops and improves them by including additional ...
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Pablo Brusola, Sergio Garcia-Nieto, Jose Vicente Salcedo, Miguel Martinez and Robert H. Bishop
This paper presents a mathematical modeling approach utilizing a fuzzy modeling framework for fixed-wing aircraft systems with the goal of creating a highly desirable mathematical representation for model-based control design applications. The starting p...
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Dmitry Roldugin, Anna Okhitina, Uliana Monakhova and Mikhail Ovchinnikov
In this article, five feedback magnetic attitude control algorithms are compared in terms of stabilization accuracy and implementation problems. The control strategies are classic Lyapunov control with scalar gain; the same control strategy with matrix g...
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Kwang-Hee Lee, Hyungjong Kim and Tae-Yong Kuc
This paper presents a state observer for an elastic joint with nonlinear friction via the information from an acceleration sensor. In order to avoid discontinuities, the nonlinear friction of the motor, which includes static, coulomb, and viscous terms, ...
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Yuan Liu and Changwu Jiang
This paper investigates a mixed-sensitivity control method for a class of drag-free spacecraft-needed frequency-separation control, which overcomes the coupled problem of a multiple-in multiple-out (MIMO) system with multiple sensitive-axes and disturban...
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Wei Chen, Dalu Zhang, Enlei Wang, Feng Yan, Lin Xiang and Zhiwen Xie
Detailed tests and characterizations were used to investigate the corrosion degradation behaviors of Ti6Al4V alloys in simulated marine environments. These alloys suffered from very slight pitting and a miniscule weight loss of 0.018 mg/cm2 during the 50...
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Seongpil Cho, Hyungwon Shim and Young-Shik Kim
The conventional proportional derivative (PD) control algorithm with appropriate gain scheduling is generally applied to a dynamic positioning (DP) system. However, finding appropriate gains through gain scheduling makes the DP system more complicated. A...
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Triyanna Widiyaningtyas, Muhammad Iqbal Ardiansyah and Teguh Bharata Adji
One of the most prevalent recommendation systems is ranking-oriented collaborative filtering which employs ranking aggregation. The collaborative filtering study recently applied the ranking aggregation that considers the weight point of items to achieve...
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Kazuki Miyakoshi, Shun Ito, Hidetoshi Oya, Yoshikatsu Hoshi, Shunya Nagai
Pág. 112 - 125
This paper proposed a linear matrix inequality (LMI)-based design method of non-fragile guaranteed cost controllers for multi-agent systems (MASs) with leader-follower structures. In the guaranteed cost control approach, the resultant controller guarante...
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Hansol Kim and Jong Won Shin
The transfer function-generalized sidelobe canceller (TF-GSC) is one of the most popular structures for the adaptive beamformer used in multi-channel speech enhancement. Although the TF-GSC has shown decent performance, a certain amount of steering error...
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Li Ma, Ning Cao, Xiaoliang Feng and Minghe Mao
In view of the fact that indoor positioning systems are usually affected by non-Gaussian noise in complex indoor environments, this paper tests the data in the actual scene and analyzes the distribution characteristics of noise, and proposes a new indoor...
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Morten Borup, Henrik Madsen, Morten Grum and Peter Steen Mikkelsen
To prevent online models diverging from reality they need to be updated to current conditions using observations and data assimilation techniques. A way of doing this for distributed hydrodynamic urban drainage models is to use the Ensemble Kalman Filter...
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Ondrej Dlask, Natália Václavíková, Marek Dole?el
Pág. 169 - 172
The goal of this paper is to investigate the impact of the insertion of different filtration membranes into electrodialysis stack on the process performance and therefore, to gain a tool for choosing membranes suitable for certain applications. Six filtr...
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Sho Shibata, Hiroaki Yamada, Toshihiko Tanaka and Masayuki Okamoto
This paper describes the reduced capacity of the inrush current suppressor using a matrix converter (MC) in a large-capacity wind power generation system (WPGS) with two squirrel-cage induction machines (SCIMs). These SCIMs are switched over depending on...
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