Since lots of systems in the industries have non-linearity and those structures are generally complicated, it is difficult to express them as mathematical models. The database-driven modeling (DDM) method which is a kind ... more
This paper gives a method for tuning controllers using one-shot closed-loop data. The method estimates the plant impulse response from the data and the response is utilized as the plant model in a Finite Impulse Response ... more
Feedback error learning (FEL) is a promising design method for two-degree-of-freedom (2DOF) control systems where feedforward control is tuned online. A tuning law has been proposed in the literature with stability proof ... more
Recently, data-driven controller tuning methods have been actively researched in the control engineering field, and some practical applications also have been reported. For Multi-Input Multi-Output (MIMO) systems, some d ... more
This paper proposes a design method for continuous-time VRFT (Virtual Reference Feedback Tuning) for I-PD (Integral-Proportional, Differential) gain tuning using closed-loop step response data. The I-PD controllers can a ... more
This letter proposes a new design method for controlling a dual-rate sampled-data control system, in which the sampling interval of a plant output is an integer multiple of the holding interval of a control input. In the ... more
Software-accelerated Service-oriented Router for Edge and Fog Service Enhancement Using Advanced Stream Content Analysis
論文No: ページ数: 9 日付: 2019/08/01
著者: W.A. Shanaka P. Abeysiriwardhana (School of Science for Open and Environmental Systems, Keio University Faculty of Science and Technology Yagami Campus), Janaka Wijekoon (Faculty of Computing, Sri Lanka Institute of Information Technology, SLIIT Malabe Campus), Rajitha L. Tennekoon (School of Science for Open and Environmental Systems, Keio University Faculty of Science and Technology Yagami Campus), Hiroaki Nishi (School of Science for Open and Environmental Systems, Keio University Faculty of Science and Technology Yagami Campus)
キーワード : Smart Community，Packet Processing，Packet Inspection，Data Plane Development
Fog services have been gaining momentum due to the demand generated by IoT-based services that require data and services to be provided at the edge of the network. This phenomenon creates several problems for Internet sy ... more
Indoor Position Detection with High Resolution DOA Estimation Identifying Direct Waves
論文No: ページ数: 10 日付: 2019/08/01
著者: 平田 明史（京セラ(株)），山田 寛喜（新潟大学），大平 孝（豊橋技術科学大学）
キーワード : 屋内位置検出，到来方向，エスパアンテナ，sinc関数，キャリブレーション，IoT indoor position detection，direction of arrival，ESPAR antenna，sinc function，calibration，IoT
In recent years, research and development of highly accurate position detection indoors have attracted attention. In this paper, we propose a new scheme to improve accuracy of position detection indoors, identifying the ... more
Recently, several estimation methods of 3D gazing points have been proposed. Many of these are measured by pupil and corneal reflection with infrared light. This conventional method required special measuring devices for ... more
Fall accidents at medical centers are one of the most serious problems, and many accidents happen at the bedside. In order to deal with this problem, this paper proposes a method for estimating an inpatient's fall risk u ... more
Critical dimension scanning electron microscope (CD-SEM) is widely used as an essential tool for measuring semiconductor patterns formed on a silicon wafer. For achieving a reliable measurement, CD-SEM requires to set up ... more
This research considers a service value creation methodology in IT solution service based on knowledge science. There are many business cases and researche studies of IT solution services. However, these studies do not c ... more
Comparative Experiment of Information Relationship Description Methods in Business Process Decomposition
論文No: ページ数: 8 日付: 2019/08/01
著者: 齊藤 哲（日立産業制御ソリューションズ），光國 光七郎（早稲田大学 創造理工学研究科）
キーワード : G-RD，DFD，BPR，ERP，要件定義 Global Relations Diagram of function and demarcation，Data flow Diagram，Business Process Re-engineering，Enterprise Resource Planning，Requirement Definition
Business processes are defined as functions and information relationships between functions in the phase of business requirement definition when enterprise information systems are developed. The function which is defined ... more
IEEJ Transactions on Electronics, Information and Systems Vol.139 No.8 (2019) Special Issue on “Data-Driven Control From Viewpoints of Interplay with Model Based Approach to Systems and Control”
論文No: ページ数: 107 日付: 2019/08/01
著者:
キーワード :
・「データ駆動制御 ―モデルベースド制御とのインタープレイ―」――特集号によせて――：金子 修・ランダムフォレストによる変数選択に基づくデータベース駆動型モデリングとその線形空燃比センサ出力予測への応用：今地 大武，木 ... more
Feature Extraction of Blood Pressure from Facial Skin Temperature Distribution Using Deep Learning
論文No: ページ数: 7 日付: 2019/07/01
著者: Kosuke Oiwa (College of Science and Engineering, Aoyama Gakuin University), Akio Nozawa (College of Science and Engineering, Aoyama Gakuin University)
キーワード : blood pressure sensing，convolutional neural network，deep learning，facial skin temperature distribution，feature extraction，non-contact sensing
Vital sign monitoring in daily life is very important for the early detection of hypertension, which causes cerebrovascular and cardiovascular diseases. A non-contact vital sign sensing is essential for vital sign monito ... more
Rehabilitation is important for hemiplegic patients after stroke to improve their motor deficit. For recovering and keeping their motor function following stroke, it may be effective to do rehabilitation at not only reha ... more
The central nervous system does not control multiple muscles independently, whereas it manipulates a musculoskeletal system with redundant degrees of freedom. In specific, muscle synergy that represents muscle coordinati ... more
In this paper, we propose a new method to update parameters of the controller implemented in the closed loop system. The proposed parameter tuning method here requires only one-shot output data obtained in the closed loo ... more
In a system that suppresses power fluctuation caused by wind power and solar power generation by a storage battery (We call it wind turbine and photovoltaic power generation system, WPBHS), it is assumed that the number ... more
Generally, electrical machines are designed using CAE (computer aided engineering) software. In addition, it is combined the design with optimization method for improving various objective functions such as magnetic path ... more
In recent year, embedded systems equipped with multi-core processor have been increasing to improve performance and energy saving. When tasks are executed in parallel on multi-core of embedded systems, a mechanism for mu ... more
Freshness evaluation of Ezoshika meat based on bioelectrical impedance analysis (BIA) using LCR meter is carried out to estimate the quality of the meat. An arc is extracted from a locus of measured impedance to evaluate ... more
Hippocampal adult neurogenesis is hypothesized to contribute spatial pattern separation. However, it is unclear whether this effect depends on the structure. In order to find structure independent functions at a cell pop ... more
Exploring a Method for Inter-module Time Delay Training in a Semi-separated Dissociated Neuronal Network
論文No: ページ数: 2 日付: 2019/07/01
著者: Chih-Hsiang Chang (Department of Precision Engineering, School of Engineering, The University of Tokyo), Kenta Shimba (Department of Precision Engineering, School of Engineering, The University of Tokyo), Takahiro Asahina (Department of Precision Engineer
キーワード : temporal memory，time-delay stimulation，dissociated neuronal network
Time-delay stimulation in rat cortical slices is considered to be a good experimental model for studying temporal learning, an intrinsic property of the cortical circuit. However, limited knowledge exists surrounding the ... more
Plant factories are attracting worldwide attention as a technology for stably producing crops. One of the problems of plant factories is tipburn, which is a physiological disorder of crops. If tipburn occurs, its identif ... more
A New Investigation of Automatic Sleep Stage Detection using Decision-Tree-Based Support Vector Machine and Spectral Features Extraction of ECG Signal
論文No: ページ数: 8 日付: 2019/07/01
著者: Edita Rosana Widasari (Interdisciplinary Graduate School of Agriculture and Engineering, Dept. of Material and Informatics, University of Miyazaki), Koichi Tanno (University of Miyazaki), Hiroki Tamura (University of Miyazaki)
キーワード : ECG，sleep stage，normalized LF band power，normalized HF band power，machine learning classifiers
This research is proposed to investigate an easy, fast, and effective method for automatic sleep stage detection using spectral features extraction from electrocardiography (ECG) signal alone. Sleep stage detection is th ... more
Stability Analysis of an Active Noise Control System Using Single Adaptive Filter with an External Injection Noise and an Acceleration Method of Adaptive Algorithm
論文No: ページ数: 7 日付: 2019/07/01
著者: 小林 正樹（中部大学大学院 工学研究科）
キーワード : アクティブノイズコントロール，適応フィルタ，信号処理，騒音抑圧，相関関数 active noise control，adaptive filter，signal processing，noise suppression，correlation function
In this paper, the stability analysis of an active noise control system using single adaptive filter with an external injection noise and an acceleration method that makes use of the property of this noise are discussed. ... more
A learning classifier system is an adaptive system that obtains a set of appropriate action rules that adapts to multi-step problems by training action rules defined in if-then form by trial and error process, in a simil ... more
In this paper, we propose the 1+n/k frequency divider which does not depend on the duty ratio of the multi-phase clock. The proposed circuit does not have to waveform shape the multi-phase clock which is an input signal. ... more
