Journal of Robotics, Networking and Artificial Life

Latest Articles

Research Article

The R&D Strategy of Automobile Companies in Radical Innovation

Yousin Park, Iori Nakaoka, Yunju Chen
Volume 7, Issue 3, December 2020, Pages 184-189
This paper focuses on patterns of innovation and the R&D strategy of automobile companies for technological changes. Tushman and Anderson (1986) pointed out that there are two types of technological changes: incremental technological change and radical technological change. In particular, radical...
Research Article

Software Modeling Technique and its Prototype Tool for Behavior of Multiple Objects Using Extended Place/Transition Nets with Attributed Tokens

Tomohiko Takagi, Ryo Kurozumi
Volume 7, Issue 3, December 2020, Pages 194-198
This paper shows Extended Place/transition Net with Attributed Tokens (EPNAT) and a modeling technique using it in order to address the problem of EPN. In software modeling using EPN, objects of which the software consists need to be defined individually as sub-EPN models, even if they have the same...
Research Article

Detection Algorithm of Porosity Defect on Surface of Micro-precision Glass Encapsulated Electrical Connectors

Qunpo Liu, Manli Wang, Gaowei Wang, Ruxin Gao, Naohiko Hanajima
Volume 7, Issue 3, December 2020, Pages 212-216
A miniature precision glass encapsulated electrical connectors introduced by glass powder and metal wires through a special complicated process. Aiming at the porosity defects on the surface, a defect detection algorithm propose based on threshold segmentation and feature extraction. Pre-operation, global...
Research Article

Geometric Measurement Based on the Single Image with a Rectangular Structure

Jiwu Wang, Bo Dai
Volume 7, Issue 3, December 2020, Pages 208-211
Image-based geometric measurement is getting more attention in machine vision field due to its contact-less and low-cost characteristics. Here the measurement of single image with the rectangular structure is studied, in which only one side length of the rectangle is known, and the coordinates of points...
Research Article

A Study of Applying Computer-assisted Language Learning to English Course for Junior College Students in Taiwan

Shu-Hua Huang, I-Hsien Liu
Volume 7, Issue 3, December 2020, Pages 199-203
This study aims to explore the impact of the integration of computer-assisted language learning into traditional face-to-face English course on the learning effectiveness at Junior college in Taiwan. To achieve the above purpose, this study adopts the pre-experimental design with one-group pretest–posttest...
Research Article

Self-repairing Control against Actuator Failures Using a Spiking Neuron Model

Masanori Takahashi
Volume 7, Issue 3, December 2020, Pages 160-164
This paper presents a new Self-repairing Control System (SRCS) for plants with actuator failures. The proposed SRCS uses the well-known Izhikevich spiking neuron model as a fault detector. When the actuator fails, the neuron model is excited and then spikes occur. Thus, counting up spikes makes it possible...
Research Article

Apply Model-Free Adaptive Control Approach for Mobile Robot Path Following

Chia-Jen Lin, Chun-Chi Lai, Kuo-Hsien Hsia, Chin-Sheng Chen
Volume 7, Issue 3, December 2020, Pages 190-193
The state of the art of mobile robot path planning is composed with global planner and local planner. For example, the global planner majorly establishes a suitable path from a knowing map based on the shortest path. And the local planner which computes the velocity command that includes obstacle clearance...
Research Article

Simulation of SPWM Fed Three-phase Induction Motor Drive Mathematical Model Using MATLAB Simulink

Amir Rasyadan, Sazali bin Yaacob, Pranesh Krishnan, Mohamed Rizon, Chun Kit Ang
Volume 7, Issue 3, December 2020, Pages 170-174
Three-phase induction motors are used in a vast area of applications mainly due to their simplicity, ruggedness and high reliability. With recent advancement in semiconductor technologies, the use of fixed speed induction motor drive is becoming obsolete, majority of the applications now requires inverter-based...
Research Article

Measuring Efficiencies of Michinoeki using DEA Model in Yamaguchi Area

Tsutomu Ito, Minoru Kumano, Takao Ito
Volume 7, Issue 3, December 2020, Pages 204-207
Identifying the key determinants of Michinoeki and assessing its impact on efficiency is considered as an urgent issue. Accordingly, this paper proposed a new approach to calculate the efficiency using DEA model after determining the significant factors using a regression model. The data were collected...
Research Article

Ocean Current Velocity Measuring Device Based on Acoustic Time Difference Current Meter

Jichao Zhao, Fengzhi Dai, Xin Ma, Fengkun Wang
Volume 7, Issue 3, December 2020, Pages 175-178
Ocean current refers to the relatively stable flow of the surface water of the ocean in a certain direction, and is the main regulator of the thermal environment on the surface of the earth. At present, the ocean current velocity detection at sea is basically a field measurement by a staff member in...
Research Article

Body and Brain Training for Falls Prevention

Henrik Hautop Lund, Yan-Xin Liu, Massimiliano Leggieri
Volume 7, Issue 3, December 2020, Pages 179-183
The paper presents the pilot test of the Moto Tiles Body & Brain Test combined with automatically generated individualized training protocols. The test is performed with seniors (avg. 80 years old) with mild dementia in senior care centers in Roskilde, Denmark. The seniors performed pre- and post-test...
Research Article

A Tactile Sense Centered Virtual Reality game by using Biometric feedback

Yasuhiro Suzuki
Volume 7, Issue 3, December 2020, Pages 156-159
We construct a Virtual Reality, VR system centered on the tactile sensation. Tactile sensation has a more significant effect on sensibility than audiovisual. Therefore, if tactile sensation and audiovisual sense are combined, we can create “virtual presence” in the VR space. In this system, a user’s...
Research Article

Estimation of Self-Posture of a Pedestrian Using MY VISION Based on Depth and Motion Network

Joo Kooi Tan, Tomoyuki Kurosaki
Volume 7, Issue 3, December 2020, Pages 152-155
A system is proposed that performs gait analysis of a pedestrian to improve a walk posture and at the same time to prevent a fall. In the system, a user walks with a chest-mounted camera. His/her walking posture is estimated using a pair of images obtained from the camera. Normally it is difficult to...
Research Article

EEG based Drowsiness Detection using Relative Band Power and Short-time Fourier Transform

Pranesh Krishnan, Sazali Yaacob, Annapoorni Pranesh Krishnan, Mohamed Rizon, Chun Kit Ang
Volume 7, Issue 3, December 2020, Pages 147-151
Sleeping on the wheels due to drowsiness is one of the major causes of death tolls all over the world. The objective of this research article is to classify drowsiness with alertness based on the Electroencephalogram (EEG) signals using spectral and band power features. A publicly available ULg DROZY...
Research Article

Proposal of an Algorithm to Generate VDM++ Specification Based on its Grammar by Using Word Lists Extracted from the Natural Language Specification

Tetsuro Katayama, Yasuhiro Shigyo, Yoshihiro Kita, Hisaaki Yamaba, Kentaro Aburada, Naonobu Okazaki
Volume 7, Issue 3, December 2020, Pages 165-169
The natural language includes ambiguous expressions. Vienna Development Method (VDM) is one of methodology on the formal methods to write the specification without ambiguity. Because VDM++ is written by strict grammar, it is difficult to write a VDM++ specification. This research attempts to generate...
Research Article

Detecting Pedestrians and Their Walk Directions Using a MY VISION System

Joo Kooi Tan, Kenta Hori, Seiji Ishikawa
Volume 7, Issue 2, September 2020, Pages 137-141
This paper proposes a pedestrian detection method using a MY VISION system. The MY VISION system is an image processing system using an ego-camera which a user of the system possesses, and it is expected to be the third eye of those who are aged, visually impaired or even those who are absorbed in a...
Research Article

Method of Extracting Sensibility from Time Series Data and Converting it to Vibrotactile

Yasuhiro Suzuki
Volume 7, Issue 2, September 2020, Pages 142-145
We propose a method to convert sensory information into non-contact tactile sensation by vibrating of very low-frequency sound. The vibrator does not directly touch the object in a non-contact tactile sensation. Then, the object vibrates with the extremely low frequency. Previous research has shown that...
Research Article

Social Play Mediated by Playware

Luigi Pagliarini, Henrik Hautop Lund
Volume 7, Issue 2, September 2020, Pages 133-136
In this paper, we describe a set of designs of social playware by using the Moto Tiles. We tried to demonstrate the importance of the development of social playware by designing a number of social games that people can play together on one single tool. The design envisions play that mediates coordination...
Research Article

A Design Method of Generalized Predictive Control Systems in Consideration of Noise

Akira Yanou
Volume 7, Issue 2, September 2020, Pages 129-132
Generalized Predictive Control (GPC) is one of the model-based control methods. The control law is derived by minimizing performance index, which includes the squares of control input and the squares of the error between reference signal and output prediction, in order to make the derived control system...
Research Article

Effects of Variable Arm Length on UAV Control Systems

M. Rizon, C.K. Ang, Mahmud Iwan Solihin, Zuradzman Mohamad Razlan, Hazy Desa, Shahriman A. Bakar, Wan Khairunizam, Zunaidi Ibrahim
Volume 7, Issue 2, September 2020, Pages 91-97
Quadrotor is a type of unmanned aerial vehicle that has been widely used in many applications, such as, policing, surveillance, aerial photography and agriculture. Conventionally, the control of quadrotor flight direction is accomplished by varying speeds of rotors or manipulating torques. In this paper,...
Research Article

Selection System of Robot Type for Cell Assembly Production (Production Efficiency Comparison of Single and Double Arm Robot)

Hidehiko Yamamoto, Takahiro Watanabe, Takayoshi Yamada
Volume 7, Issue 2, September 2020, Pages 77-80
The purpose of this research is to compare the production efficiency of single and double arm robot. This research determines which robot is suitable for an assembly cell production, a single arm robot or a double arm robot. First, we develop the system to use a double arm robot to determine the best...
Research Article

Development of the Image-based Flight and Tree Measurement System in a Forest using a Drone

Keiji Kamei, Masahiro Kaneoka, Ken Yanai, Masaya Umemoto, Hiroki Yamaguchi, Kazuki Osawa
Volume 7, Issue 2, September 2020, Pages 86-90
Drones have been used in many purposes for a long time. Especially, development of the automatic observation systems such as measurement using drones for the primary sector of industry have been frequently researched in recent years. The measurement of a tree growth in a forest is also one of the aim...
Research Article

Behavior Selection System for Human–Robot Cooperation using Tensor SOM

Moeko Tominaga, Yasunori Takemura, Kazuo Ishii
Volume 7, Issue 2, September 2020, Pages 81-85
With the progress of technology, the realization of a symbiotic society with human beings and robots sharing the same environment has become an important subject. An example of this kind of systems is soccer game. Soccer is a multi-agent game that requires strategies by taking into account each member’s...
Research Article

Speech Synthesis of Emotions in a Sentence using Vowel Features

Rintaro Makino, Yasunari Yoshitomi, Taro Asada, Masayoshi Tabuse
Volume 7, Issue 2, September 2020, Pages 107-110
We previously proposed a method for adding emotions to synthetic speech using the vowel features of a speaker. For the initial investigation in this earlier study, we used utterances of Japanese names to demonstrate the method. In the present study, we use the proposed method to construct emotional synthetic...
Research Article

IDS Malicious Flow Classification

I-Hsien Liu, Cheng-Hsiang Lo, Ta-Che Liu, Jung-Shian Li, Chuan-Gang Liu, Chu-Fen Li
Volume 7, Issue 2, September 2020, Pages 103-106
We will display two different kinds of experiments, which are Network-based Intrusion Detection System (NIDS)-based and dynamic-based analysis shows how artificial intelligence helps us detecting and classify malware. On the NID, we use CICIDS2017 as a research dataset, embedding high dimensional features...