Roberto Aldunate

Roberto Aldunate
University of Illinois Urbana-Champaign | UIUC · College of Applied Health Sciences

PhD

About

65
Publications
18,918
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855
Citations

Publications

Publications (65)
Article
Full-text available
Pavement roughness is an expression of the irregularities in a pavement surface that adversely affect the ride quality of a vehicle. Roughness also affects vehicle delay costs, fuel consumption, tires, and maintenance costs. Roughness is predominantly characterized by the international roughness index (IRI), which is often measured with inertial pr...
Article
One of the foremost challenges confronting society today is the vulnerability of critical physical infrastructures in urban areas to extreme events. The major challenge in these scenarios despite the availability of the means of communication (e.g. ad-hoc networks, hand held devices) is the lack of trust among the first responders due to their havi...
Conference Paper
Nature-based systems are efficiently designed and are able to respond to many system requirements such as scalability, adaptability, self-organization, resilience, robustness, durability, reliability, self-monitoring, self-repair, and many others. Using nature's examples as guidepost, there is a unique platform for developing more environmentally s...
Article
One of the most ignored, but urgent and vital challenges confronting society today is the vulnerability of urban areas to extreme events. Current organization of response systems, predominantly based on a command and control model, limits their effectiveness and efficiency. Particularly, in decision-making processes where a large number of actors m...
Article
Full-text available
When an extreme event hits an urban area, the efficiency and effectiveness of the first response have a profound effect on disaster relief efforts. The redefinition of the civil engineers' role and responsibilities as first response team members, along with an enhanced collaboration between disaster relief organizations, will greatly improve first...
Conference Paper
In some medical areas, video activity recognition has been used for patient rehabilitation, evaluating their performance doing some exercises to determine if they are correct or not. In this article we emphasize this approach applied on older adults’ physical activity motivated by the problem caused by falls in this segment of the population. Furth...
Article
Background: We recently reported in a phase-III, randomized controlled trial that a behavioral intervention based on social cognitive theory (SCT) and delivered through the Internet using e-learning approaches increased device-measured minutes/day of moderate-to-vigorous physical activity (MVPA) over a 6-month period among persons with multiple sc...
Article
Background We undertook a phase-III, randomized controlled trial (RCT) that examined the effectiveness of a behavioral intervention based on social cognitive theory (SCT) and delivered through the Internet using e-learning approaches for immediate and sustained increases in physical activity among persons with multiple sclerosis (MS). Method The s...
Article
Background: We undertook a randomized controlled trial (RCT) that investigated the effectiveness of a theory-based, Internet-delivered, behavioral intervention focusing on physical activity promotion for immediate and sustained improvements in secondary, patient-reported outcomes (PROs) of function, symptoms, and quality of life (QOL) in multiple...
Article
Full-text available
Functional mobility assessments (i.e., Timed Up and Go) are commonly used clinical tools for mobility and fall risk screening in older adults. In this work, we proposed a new Mixed Reality (MR)-based assessment that utilized a Microsoft HoloLensTM headset to automatically lead and track the performance of functional mobility tests, and subsequently...
Article
Falls are a major health problem for older adults with significant physical and psychological consequences. The first step of successful fall prevention is to identify those at risk of falling. Recent technology advancement offers the possibility of objective, lowcost and self-guided fall risk assessment. The present work evaluated the preliminary...
Preprint
Functional mobility assessments (i.e., Timed Up and Go) are commonly used clinical tools for mobility and fall risk screening in the aging population. In this work, we proposed a new Mixed Reality (MR)-based assessment that utilized a Microsoft HoloLensTM headset to automatically lead and track the performance of functional mobility tests, and subs...
Article
Full-text available
A priority for sustainable development is education in the reduction of the risk of a disaster. Disasters have a profound effect in societies and their economies. Undergraduate students are seldom trained to engage in authentic emergencies. Video game technology may provide an educational tool for promoting the acquisition of new knowledge. Epistem...
Article
Full-text available
Falls are a major health problem for older adults with significant physical and psychological consequences. The first step of successful fall prevention is to identify those at risk of falling. Recent technology advancement offers the possibility of objective, low-cost and easy-to-implement fall risk assessment. The present work evaluated the valid...
Article
Full-text available
This study describes the level of adoption of information and communication technologies in teaching in three Latin American countries. It also analyzes factors that affect the process by which teachers incorporate these technologies into their classrooms. In order to do so, an online survey was conducted with 89 teachers. The results show that mos...
Conference Paper
Earthquakes have a profound social and economic impact when they hit densely populated urban areas. Early and Quick Safety and Structural Stability Assessment of Critical Physical Infrastructure, affected by large-scale disasters such as earthquakes, is a key task that determines potential outcomes of further activities like urban search and rescue...
Conference Paper
Field operations carried out by mobile users in inhospitable contexts like disaster relief or battlefield require that the communication between those mobile users is as effective and efficient as possible. To facilitate such communication, a highly available communication platform is required. This article envisions that Mobile Ad-hoc Networks (MA...
Article
Full-text available
Emergency management systems require skills from decision makers to mitigate the impact of disasters, reducing fatalities and economic losses. Virtual learning environments have the potential to support the development of those capabilities. In particular, situated learning grounded on serious video games may promote the legitimate peripheral parti...
Conference Paper
Effective and efficient assessment of structural stability of critical physical infrastructure affected by a disaster is a key task during disaster response. However, real world training of staff performing this task is an operationally complex and expensive activity. This work presents a framework for the development of video games to improve the...
Conference Paper
El Yali National Reserve is a protected area that is priority number one for the National Forestry Corporation (CONAF). It is located in the V region of Chile, where the risk of wildfire is quite high. In this context, training actors involved in combating wildfire is a relevant issue. Under the simulation of serious video games, a simulator that a...
Patent
Full-text available
Disclosed is a flexible, multi-modal system useful in communications among users, capable of synchronizing real world and augmented reality, wherein the system is deployed in centralized and distributed computational platforms. The system comprises input devices to generate signals representing speech, gestures, pointing direction, and location of...
Conference Paper
Full-text available
Pavement roughness is the surface unevenness which adversely affects ride comfort. Basically, roughness is computed by measuring the vehicle suspension motion. It is expressed by International Roughness Index (IRI) with a unit of inch/mile or m/km. Roughness is very important information to the pavement management group, and maintenance and rehabil...
Article
Full-text available
Designing and evaluating serious video games to improve cognitive performance plays a key role in promoting acceptance and usability of the elderly, while it aims to attenuate the cognitive deterioration during aging on the long run. To this end, this article presents a videogame prototype that is based on personalization to support self-care in ag...
Conference Paper
Prompt assistance to people involved in vehicle accidents could make a significant difference on the consequences of such accidents. Some vehicle manufacturers include technology embedded into the vehicles they build to detect and communicate crash vehicle events to emergency agencies. Nevertheless, this approach adds cost to the vehicles, and as i...
Conference Paper
Recently, the use of video games has been extended to attenuate the cognitive deterioration in elderly. However, not all interventions based on videogames have shown benefits, and very limited research has been made on the design and evaluation of serious videogames that promote a change of attitude in the players, along with entertainment, to prop...
Article
Technology adoption is usually modeled as a process with dynamic transitions between costs and benefits. Nevertheless, school teachers do not generally make effective use of technology in their teaching. This article describes a study designed to exhibit the interplay between two variables: the type of technology, in terms of its complexity of use,...
Article
Full-text available
Effective communication among first responders during response to natural and human-made large-scale catastrophes has increased tremendously during the last decade. However, most efforts to achieve a higher degree of effectiveness in communication lack synergy between the environment and the technology involved to support first responders operation...
Article
Full-text available
Loosely coupled mobile work is characterized by nomadic workers collaborating in sporadically and on-demand ways. Supporting nomadic workers’ interactions requires knowing the location of the potential collaborator; therefore, indoor/outdoor positioning systems play a key role. Locating persons in outdoor environments is well addressed by Global Po...
Conference Paper
Real time situational awareness has the potential to improve the response and management of intelligent transportation system (ITS) components in critical situations. In the event of sudden or potentially dangerous situations, such as hazardous material spills or reckless driving, every second counts to reduce the overall impact of the event. Curre...
Conference Paper
Practice activities are a key issue for science education students. Typically, these activities are carried out by a community of practice (practicing students and professors) using physical or centralized electronic portfolios. However, these alternatives are limited when the community members need to share the portfolio resources, any time and an...
Chapter
Full-text available
With the rapid development of short-range wireless technology new venues to apply it in more sophisticated, complex, and dynamic environments have been opened. Nevertheless, the applicability of such technology in non-traditional settings like face-to-face encounters and disaster relief environments, remains unclear. This article describes a resear...
Conference Paper
Many groupware applications developed on top of platforms supporting collaborative work are limited in their portability and interoperability because they are platform locked. In heterogeneous scenarios, such as disaster relief efforts or police operations, the interoperability of the several systems becomes a critical issue to coordinate the effor...
Conference Paper
Full-text available
Remote experimentation laboratories are systems based on real equipment, allowing students to perform practical work through a computer connected to the internet. In engineering fields lab activities play a fundamental role. Distance learning has not demonstrated good results in engineering fields because traditional lab activities cannot be covere...
Conference Paper
The vulnerability of urban areas to extreme events is a vital challenge confronting society today. Response to such events involves a large number of organizations that had no past interactions with each other but are required to collaborate during disaster relief efforts. Participants from diverse teams need to form an integrated first response gr...
Presentation
Full-text available
The conference offers a note of thanks and lists its reviewers. XXIV International Conference of the Chilean Computer Science Society
Conference Paper
Locating trapped people under rubble is a key task that first responders must develop as efficiently as possible. Inhospitable and chaotic environments resulting from a natural or human-induced disaster make inappropriate the use of the Global Positioning System, or other semi-infrastructure solution, for localizing survivors due to its limited out...
Article
Locating trapped people under rubble is a key task that first responders must develop as efficiently as possible. Inhospitable and chaotic environments resulting from a natural or human-induced disaster make inappropriate the use of the Global Positioning System, or other semi-infrastructure solution, for localizing survivors due to its limited out...
Conference Paper
The aim of this work is to provide tools to facilitate the encounter of people that are physically close and are (usually) moving in a given setting. In this way unknown people, or people that do not know about others need or knowledge, could meet in a face to face scenario to establish a collaborative relation. The idea of Socialware is enhanced t...
Article
Efficiency oriented activities require some people to collaborate in order to achieve better results. People, who don't necessarily know to each other, need to be organized, communicated, and coordinated effectively to achieve a successful outcome. Today's technological advances permit to set up a group of handheld and wireless devices as a network...
Conference Paper
The number of victims rescued alive when a disaster occurs depends on the efficiency of search and rescue teams. Hence, communication, coordination and collaboration must be developed as best as possible. Currently the communication infrastructure, radio gear, permits us only to transfer audio signals, so enhancing group interaction by providing co...
Article
Full-text available
Efficiency oriented activities require some people to collaborate in order to achieve better results. People, who don't necessarily know to each other, need to be organized, communicated, and coordinated effectively to achieve a successful outcome. Today's technological advances permit to set up a group of handheld and wireless devices as a network...

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