K. Wada

K. Wada
Tokyo Metropolitan University | TMU · Department of Intelligent Mechanical System

About

114
Publications
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3,878
Citations

Publications

Publications (114)
Article
Full text: https://journal.gerontechnology.org/currentIssueContent.aspx?aid=3061 Background: The use of humanoid-shaped robots may have a positive influence on older adults with dementia and their caregivers. However, there is a dearth of studies with a higher level of evidence. Thus, this quasi-experimental study serves as a preliminary investiga...
Article
Full-text available
Objective To (1) examine the potentiality of using the robot PARO to mediate care provided by the family and (2) identify problems when utilizing PARO in the home context. Methods Family members of 7 households were asked to use PARO for at least three times per week, over 1 to 3 months. Research data, including standardized assessments, interview...
Article
Automation of toilet cleaning has been demanded at convenience stores. In this study, we proposed a toilet bowl that is easy to clean with the machine and has a mechanism to clean the side surface of the toilet bowl. In this paper, the experiment to evaluate the performance of the mechanism was conducted. The mechanism cleaned dirt in four kinds of...
Article
Automation of display and disposal products is strongly required at convenience stores. In previous research, a robot hand with free rotary gripper was developed, which can switch grasp or rotate products easily for efficient work. However, due to the large fingertips of the robot hand, it was difficult to pick up one product from a crowded state....
Article
Toilet cleaning robots have been studying for keeping consist of cleanliness. It is needed to know where the highest priority to clean is or what kind of dirt give people bad impression to provide a device operation system enables efficient. In this paper, participants watch 12 distinct toilet rooms and take survey each time, putting on eye tracker...
Preprint
Full-text available
Background: In Japanese society today, many elderly persons with dementia (EPWD) are living at home. This research focused on the family members of EPWD who provide informal care and support. The purpose of this research was (1) to analyse the potential and effectiveness of care provided by the family with the use of the robotic seal PARO, a neurol...
Article
Recently, it has been required to automate the task of displaying products in convenience stores by robots. In this paper, we use a deep learning-based method to recognize pose and category of product. However, when an object is photographed by a camera, the recognition rate of objects with few features in color and shape is low. Therefore, we made...
Article
Toilet cleaning is one of the tasks that automation is particularly required at retail stores such as convenience stores. In this paper, we proposed a toilet for reducing scattering of urine and developed “Toilet bowl top cleaning mechanism”. The mechanism is built in toilet seat, and consists of a timing belt and pulleys. It cleans top of the toil...
Article
In order to improve efficiency of space, we have proposed Smart Variable Space which realizes functional spaces by changing spatial modules, e.g. bed and kitchen, dynamically. The foldout bed module is transported by the carrier robots, however, it is hard to keep fold in. Because the bed module did not have a mechanism to keep it in a folded state...
Article
Currently, diversifying and varying the types of work are progressing at retail stores such as convenience stores. The shortage of workers is also getting worse, so improving efficiency of business is required. Among them, toilet cleaning is one of the tasks that automation is particularly required. In this paper, we developed the “Two Links Arm Ty...
Article
Recently, Japan has problems with the declining birth rate and aging population. So, many convenience stores are suffering from a shortage of workers. Displaying products requires the longest time of all tasks. In order to solve the problem, applying robot technology to convenience store's display and disposal task is necessary. In this paper, we p...
Article
In order to improve efficiency of space in urban area, we have proposed Smart Variable Space which realizes various functional spaces by changing modules dynamically. So far, a bedroom type module was developed as an example of the spatial configuration module. However, the module had movement mechanisms even though they were only used in changing...
Article
In field studies, psychological aspects and natural states of humans are evaluated and analyzed by behavior observation. To assure objectivity, a sufficient number of observers are required to record data. In addition, manual and automatic image analysis methods using video recordings are used in field observations. However, such methods are diffic...
Article
In order to improve efficiency of space in urban area, we have proposed Smart Variable Space which realizes various functional spaces by changing modules dynamically. So far, a bedroom type module was developed as an example of the spatial configuration module. However, the bedroom type module was small for dairy use and heavy weight. In this paper...
Article
This paper proposes a system for improving daily lives of elderly people to ensure health, which we termed as “health promotion support system”. In order to realize an enriched life style among elderly people, daily health care is important. Therefore, we propose a system where robot partners will assist in exercising activity among elderly people....
Article
The methods which improve space usage efficiency is important especially for city lives. Development of high-rise buildings and underground are one of the methods. However, those developments just lay out the spaces which are expanded in plane into vertical. Therefore, there are the physical and monetary limitations. Instead of stacking of single f...
Conference Paper
PALRO is a humanoid type robot which can communicate with human through voice. This paper describes effective application for people with Dementia of PALRO. PALRO, a humanoid communication robot (Fujisoft Co Ltd.). It responds to users’ speaking and even remembers faces of over 100 people. Our team wanted to see how seniors with dementia would reac...
Conference Paper
The methods which improve space usage efficiency is important especially for city lives. Development of high-rise buildings and underground are one of the methods. However, those developments just lay out the spaces which are expanded in plane into vertical. Therefore, there are the physical and monetary limitations. So, we propose Smart Variable S...
Conference Paper
Recently, the more efficient living space is required in the centrally-located area. Therefore, the spaces which can change its functions easily/automatically depending on the situations are necessary to increase space use efficiency. Because of this, we propose Smart Variable Space which realizes various functional spaces by changing its spatial c...
Conference Paper
Recently, public housing are rebuilt for the elderly in the center of a city. The main purposes of rebuilding are flatting floors, installation of handrails, and expansion of bathroom and toilet for people using wheelchair. Because giving priority to them, spaces for kitchen and dining room are very limited. The kitchen doesn't have enough cooking...
Conference Paper
Robot therapy is expected to have psychological, physiological, and social effects similar to those of animal therapy. The therapeutic seal robot, PARO, is used in various facilities for the elderly, and its use spreading throughout the world. In previous studies, the effects of PARO were examined by various types of tests. However, the number of s...
Conference Paper
In field studies, psychological aspects and natural states of humans are evaluated and analyzed by behavior observation. To assure objectivity, a sufficient number of observers are required to record data. In addition, manual and automatic image analysis methods using video recordings are used in field observations. However, such methods are diffic...
Article
Recently, the number of elderly people with dementia is increasing, and more than half of them living at home. Robot therapy is expected to have psychological, physiological and social effects as well as animal therapy. Especially, therapeutic seal robot, Paro is used in various facilities for elderly and spreading in the world. However, its effica...
Article
Recently, public housing are rebuilt for the elderly in the inner city. The main contents of rebuilding are flatting floors, installation of handrails for an anti-tip, and expansion of bathroom and toilet for people using wheelchair. Because giving priority to them, kitchen and dining room are become narrow space. Therefore, kitchen doesn't have en...
Conference Paper
The methods which improve space usage efficiency is important especially for city lives. Development of high-rise buildings and underground is one of the methods. However, those developments just lay out the spaces which are expanded in plane into vertical. Physical and monetary limitations are the problem. Therefore, the spaces which can change it...
Conference Paper
Brain activities during interaction with a seal robot, “PARO,” and subsequent resting periods were measured by functional near-infrared spectroscopy (fNIRS). In this study, there were two experimental tasks: interaction with PARO switched ON (PARO ON) and interaction with PARO switched OFF (PARO OFF) with a one-minute rest before and after the task...
Conference Paper
Robot therapy is expected to have psychological, physiological and social effects as well as animal therapy. Especially, therapeutic seal robot, Paro is used in the various facilities for elderly and spreading in the world. However, the caregivers used Paro freely, and the way of using Paro was different among them. Therefore, the effects are influ...
Conference Paper
This paper discusses a Robot Partner System for Interactive communication with Human using sensor network. Basically, the robot has a sensor to detect object in the environment. However, the equipped sensors on the robot are not enough to obtain the information about the person and the environment. Therefore, sensor networks are applied to the robo...
Article
Cities, where various functions are concentrated in limited area, have been suffering from chronic space shortage. High-rise buildings and underground have been developed to increase space use efficiency. However, those developments just lay out the spaces which are expanded in plane into vertical; there are the physical and monetary limitations. T...
Article
The methods which improve space usage efficiency is important especially for city lives. Development of high-rise buildings and underground are one of the methods. However, those developments just layout the spaces which are expanded in plane into vertical. Therefore, there are the physical and monetary limitations. Therefore, the spaces which can...
Article
Brain activity during interaction with seal robot "Paro" was measured by functional near-infrared spectroscopy (fNIRS). In the pilot study, there were two experimental tasks: Interaction with Paro that was switched ON (Paro ON) and Paro that was switched OFF (Paro OFF) with one minute rest before and after the tasks. The results showed significant...
Article
Full-text available
Mental healthcare of elderly people is a common problem in advanced countries. Recently, high technology has developed robots for use not only in factories but also for our living environment. In particular, human-interactive robots for psychological enrichment, which provide services by interacting with humans while stimulating their minds, are ra...
Article
Cities, where various functions are concentrated in limited area, have been suffering from chronic space shortage. High-rise buildings and underground have been developed to increase space use efficiency. However, those developments just lay out the spaces which are expanded in plane into vertical; there are the physical and monetary limitations. T...
Article
Recently, the development costs for robot software is becoming bigger and bigger. Especially, the robots which works with humans in the home and office environment are expected to have various functions according to its user's demand. Therefore, RT (Robotics Technology) Middleware developed by AIST offers the methods to develop desired robot system...
Article
This study examined people living with Paro, a seal robot, and how they interact with it. Questionnaires were sent along with Paro to the owners who could voluntarily choose to respond. Eighty-five responses were obtained and analyzed in terms of gender, preference for animals, and pet ownership experience. The results showed that for females, besi...
Article
Robot therapy is expected to have psychological, physiological and social effects similar to animal therapy. The use of a therapeutic seal robot, Paro, in various facilities for the elderly is spreading around the world. However, caregivers use Paro freely, and the ways in which they use Paro differ among them. Therefore, the effects are influenced...
Conference Paper
Full-text available
In order to execute multiple tasks in offices and houses, robots require a large amount of information. If each item that is part of the ambience is endowed with some intelligence, robots can simply change the state of the item as requested by the item itself. We refer to such an ambience as “intelligent ambience (IA).” This paper describes a const...
Article
There are various kinds of home electrics appliances in our living space. Seamless cooperation with robots and those appliances is important technology for service robots in our living space. In this paper, we developed the infrared communication device using RT middleware to achieve the seamless cooperation with high functional appliances, such as...
Article
Cities, where various functions are concentrated in limited area, have been suffering from chronic space shortage. High-rise buildings and underground have been developed to increase space use efficiency. However, those developments just lay out the spaces which are expanded in plane into vertical; there are the physical and monetary limitations. T...
Article
Robot therapy is expected to have psychological, physiological and social effects as well as animal therapy. Especially, therapeutic seal robot, Paro is used in various facilities for elderly and spreading in the world. However, the caregivers used Paro freely, and the way of using Paro is different among them. Therefore, the effects are influenced...
Article
The methods which improve space usage efficiency is important especially for city lives. Development of high-rise buildings and underground are one of the methods. However, those developments just lay out the spaces which are expanded in plane into vertical. Therefore, there are the physical and monetary limitations. Instead of stacking of single f...
Conference Paper
Questionnaires have been conducted to the owners of Paro in order to investigate people living with Paro at home. Although service robots such as AIBO have been commercialized and tend to be familiar with us, researches on owners' background are few. The owners of Paro answered the questionnaires and 85 feedbacks were obtained. The results showed t...
Article
In order for robots to execute several tasks at the office or at home, they need enormous amounts of information. If we put a small amount of intelligence into each item that is part of the ambience, the ambience itself can simply cause the robots to change their state as it requests. We call such an ambience “Intelligent Ambience (IA).” In this pa...
Conference Paper
Recently, the development costs for robot software is becoming bigger and bigger. Especially, the robots which works with humans in the home and office environment are expected to have various functions according to its user's demand. Therefore, RT (Robotics Technology) Middleware developed by AIST offers the methods to develop desired robot system...
Conference Paper
A long-term experiment of robot therapy for elderly people has been conducted at a health service facility for the aged since Aug. 2003. Three therapeutic seal robots, Paro, were introduced there. This paper describes the results of the experiment for five year. We regularly visited the facility twice or once a month and observed their interaction...
Article
Robot therapy in the form of two seal robots was conducted for a year at a care house in Japan. Residents and robots interacted over 9 hours a day. To determine psychological and social robot influence, individual residents were interviewed using the "free pile sort"method and their social interaction was analyzed. After robot use was discontinued,...
Article
A long-term experiment of robot therapy for elderly people has been conducted at a health service facility for the aged since Aug. 2003. Three therapeutic seal robots, Paro, were introduced there. This paper describes the results of the experiment. Face scales that consist of illustrations of person's faces were used to evaluate person's moods. As...
Article
When robots execute several tasks at office or home, robots need enormous information. If we put small intelligence on each object that is part of the ambience, the ambience can lead robots simply and execute tasks requested by the ambience itself. We call such ambience"Intelligent Ambience (IA)". In this paper, we develop a device for IA and verif...
Article
Subjective evaluation of a seal robot was conducted in exhibitions that were held in seven different countries: Japan, the UK, Sweden, Italy, South Korea, Brunei and the US. Surveys were administered to the visitors after interaction with the robot. To explore the differences among people's evaluations of the robot in the seven countries, statistic...
Article
Full-text available
A large amount of information involving human beings is available on the Internet; however, only little information that involves robots is available. We believe that having ambient intelligence provides helpful information for robots under ubiquitous computing technologies. The purpose of our research is to describe common environmental informatio...
Conference Paper
Questionnaires have been conducted to the owners of Paro in order to investigate people living with Paro at home. Although service robots such as AIBO have been commercialized and tend to be familiar with us, researches on owners' background are few. The owners of Paro answered the questionnaires and 85 feedbacks were obtained. The results showed t...
Article
Full-text available
A large amount of information involving human beings is available on the Internet; however, only little information that involves robots is available. We believe that having ambient intelligence provides helpful information for robots under ubiquitous computing technologies. The purpose of our research is to describe common environmental informatio...
Conference Paper
Full-text available
Structuring methods of ambient intelligence are becoming important issue in robotics field; such ambient intelligence can enable robots to adopt ubiquitous computing technologies by using GPS and the RFID tag, acquire the necessary information for working in offices and houses, and thereby work accordingly. There are two merits in putting informati...
Conference Paper
This paper describes research on a ldquomental commitment robotrdquo. These robots have a different target audience to industrial robots, one that is not so rigidly dependent on objective measures such as accuracy and speed. The main goal of this research is to explore a new area in robotics, with the emphasis on human-robot interaction. In previou...
Article
We used the seal robot, Paro, for therapy of patients suffering from dementia at a cortical neuron clinic. The efficacy of the robot therapy was evaluated by DIMENSION, which detects patient's cortical neuron activity from a 21-channel EEG. The results from preliminary experiments show that robot therapy has a high potential to improve the conditio...
Conference Paper
Paro is an autonomous seal type robot for those who cannot take care of real animals and those who live in places where pet-animals are forbidden. This paper describes effective application for disabled people of Paro in according to idea of Occupational Therapists. OTs thought that Paro is an effective tool on occupational therapy but OTs should c...
Article
We are proposing a data structure used for describing environmental information to make various robots execute door closing tasks based on 'Kukanchi'. In this paper, we report experimental results of two different kind of door closing task with a mobile manipulator according to a uniform data structure.
Article
Recently, the development costs for robot software is becoming bigger and bigger. Especially, the robots which works with humans in the home and office environment are expected to have various functions according to its user's demand. Therefore, RT (Robotics Technology) middleware developed by AIST offers the methods to develop desired robot system...
Article
This article presents research on robot therapy for elderly residents in a care house. Experiments were conducted from June 2005, lasting more than 2 months. Two therapeutic baby seal robots were introduced to the residents, and activated for over 9 hours daily. To investigate the psychological and social effects of the robots, the residents' activ...
Chapter
Introduction Seal Robot: Paro Robot Therapy for the Elderly Discussion Conclusion Acknowledgment References
Article
In robot therapy for senile dementia patients, a seal-like robot, Paro, was left in patients’ homes for a week to determine its neuropsychological influence. Efficacy was evaluated by the diagnosis method of neuronal dysfunction (DIMENSION), which detects a lack of smoothness of scalp potential distribution resulting from cortical neuronal impairme...
Article
Robot therapy for elderly residents in a care house has been conducted since June 2005. Two therapeutic robots were introduced into a care facility, and activated for over 9 h each day to interact with the residents. This paper presents the results of the first month of this experiment. To investigate the psychological and social effects of the rob...
Conference Paper
Robot therapy for elderly residents in a care house has been conducted since June 2005. Two therapeutic seal robots were introduced and activated for over 9 hours every day to interact with the residents. This paper presents the results of this experiment for two months. In order to investigate the psychological and social effects of the robots, ea...
Conference Paper
Robot therapy for elderly residents in a care house has been conducted since June 2005. Two therapeutic seal robots were introduced and activated for over 9 hours every day to interact with the residents. This paper presents a progress report of this experiment. In order to investigate the psychological and social effects of the robots, each subjec...
Article
A long-term experiment of robot therapy for elderly people has been conducted at a health service facility for the aged since Aug. 2003. Three therapeutic seal robots, Paro, were introduced there. This paper describes the results of the experiment. Face scales that consist of illustrations of person's faces were used to evaluate person's moods. As...
Article
A long-term experiment using robot-assisted activity has been conducted at a health service facility for the aged since August 2003. Two therapeutic seal robots, named Paro, were introduced at the facility. This paper provides an interim report for 10 experimental weeks. Face scales, consisting of illustrations similar to people's faces, were used...
Conference Paper
Robot therapy for elderly residents in a care house has been conducted since June 2005. Two therapeutic seal robots were introduced and activated for over 9 hours every day to interact with the residents. This paper presents the results of this experiment. In order to investigate the psychological and social effects of the robots, the activities of...
Conference Paper
Robot therapy for elderly residents in a care house has been conducted since June 2005. Two therapeutic seal robots were introduced and activated for over 9 hours every day to interact with the residents. This paper presents the results of this experiment. In order to investigate the psychological and social effects of the robots, the activities of...
Conference Paper
Robot therapy for elderly residents in a care house has been conducted from June, 2005. Two therapeutic seal robots were introduced, and activated for over 9 hours every day to interact with the residents. This paper presents a progress report of this experiment. In order to investigate psychological and social influences of the robots, each subjec...
Article
A long-term experiment of robot therapy for elderly people has been conducted at a health service facility for the aged since Aug. 2003. Three therapeutic seal robots, named Paro, were introduced at the facility. This paper describes an interim report of the experiment after one year. Face scales, consisting of illustrations of person's faces, were...
Conference Paper
A long-term experiment of robot assisted activity for elderly people has been conducted at a health service facility for the aged since Aug. 2003. Three therapeutic seal robots, Paro, were introduced there. This paper describes the results of the experiment for one year. Face scales that consist of illustrations of person's faces were used to evalu...
Conference Paper
Robot therapy for demented patients was conducted at a cranial nerve clinic. Two therapeutic seal robots, Paro, were introduced there. This paper describes the results of this experiment. DIMENSION (diagnosis method of neuronal dysfunction) was used to analyze recorded patient's EEG before and after 20 minutes of robot therapy. Questionnaire concer...
Conference Paper
A long-term experiment of robot assisted activity for elderly people has been conducted at a health service facility for the aged since Aug. 2003. Three therapeutic seal robots, Paro, were introduced there. This paper describes the results of the experiment for 17 months. Face scales that consist of illustrations of person's faces were used to eval...
Conference Paper
A long-term experiment of robot assisted activity for elderly people has been conducted at a health service facility for the aged since Aug. 2003. Three therapeutic seal robots, Paro, were introduced there. This paper describes the results of the experiment for one year. Face scales that consist of illustrations of person's faces were used to evalu...
Article
A long-term experiment of robot assisted activity for elderly people has been conducted at a health service facility for the aged since Aug. 2003. Three therapeutic seal robots, Paro, were introduced there. This paper describes the results of the experiment. Face scales that consist of illustrations of person's faces were used to evaluate person's...
Conference Paper
A long-term experiment of robot assisted activity for elderly people has been conducted at a health service facility for the aged since Aug. 2003. Three therapeutic seal robots, Paro, were introduced there. This paper describes the results of the experiment for one year. Face scales that consist of illustrations of person's faces were used to evalu...