Chapter Supporting Inclusive Design of Mobile Devices with a Context Model

Embedded system

Supporting Inclusive Design of Mobile Devices with a Context Model

The aim of inclusive product design is to successfully integrate a broad range of diverse human factors in the product development process with the intention of making products accessible to and usable by the largest possible group of users. However, the main barriers for adopting inclusive product design include technical complexity, lack of time, lack of knowledge and techniques, and lack of guidelines. Although manufacturers of consumer products are nowadays more likely to invest efforts in user studies, consumer products in general only nominally fulfill, if at all, the accessibility requirements of as many users as they potentially could. The main reason is that any user-centered design prototyping or testing aiming to incorporate real user input, is often done at a rather late stage of the product development process. Thus, the more progressed a product design has evolved - the more time-consuming and costly it will be to alter the design. This is increasingly the case for contemporary mobile devices such as mobile phones or remote controls

SourceAmerica Design Challenge Accessible Kitting and Packaging Station

This document entails our research, design, proposed development, and testing process for solving the 2020 SourceAmerica collegiate design challenge. Our team, “Just Kitting”, is composed of four Mechanical Engineering students from California Polytechnic San Luis Obispo. The design challenge requires us to create a device that will help improve the quality of life and productivity of people with disabilities working in the kitting and packaging industry. This document includes our background research and information received from various interviews with our sponsor and others who have experience working with disabilities. Using this information, we refined our problem statement to focus on individuals with disabilities that affect their fine motor skills because many procedures in the kitting and packaging industry are heavily reliant on the dexterity of the user. We tailored our ideation process, decision matrices, concept prototypes, and design justification around this target demographic. This process resulted in the final design of our workstation which provides an innovate and efficient way to bag and package five types of items. In addition, this design requires simple push-pull motions to reduce the dexterity required to create a kit. We have outlined our manufacturing and design verification plans to proceed with this design, along with a breakdown of our projected costs to implement a functional prototype

Where and how 3D printing is used in teaching and education

The emergence of additive manufacturing and 3D printing technologies is introducing industrial skills deficits and opportunities for new teaching practices in a range of subjects and educational settings. In response, research investigating these practices is emerging across a wide range of education disciplines, but often without reference to studies in other disciplines. Responding to this problem, this article synthesizes these dispersed bodies of research to provide a state‐of‐the‐art literature review of where and how 3D printing is being used in the education system. Through investigating the application of 3D printing in schools, universities, libraries and special education settings, six use categories are identified and described: (1) to teach students about 3D printing; (2) to teach educators about 3D printing; (3) as a support technology during teaching; (4) to produce artefacts that aid learning; (5) to create assistive technologies; and (6) to support outreach activities. Although evidence can be found of 3D printing‐based teaching practices in each of these six categories, implementation remains immature, and recommendations are made for future research and education policy.This work was supported by the Engineering and Physical Sciences Research Council [number EP/K039598/1]

Mapping the Impact and Plasticity of Cortical-Cardiovascular Interactions in Vascular Disease Using Structural and Functional MRI

There is growing interest in the role of vascular disease in accelerating age-related decline in cerebrovascular structural and functional integrity. Since an increased number of older adults are surviving chronic diseases, of which cardiovascular disease (CVD) is prevalent, there is an urgent need to understand relationships between cardiovascular dysfunction and brain health. It is unclear if CVD puts the brains of older adults, already experiencing natural brain aging, at greater risk for degeneration. In this thesis, the role of CVD in accelerating brain aging is explored. Because physical activity is known to provide neuroprotective benefits to brains of older adults, the role of physical activity in mediating disease effects were also explored. Using novel neuroimaging techniques, measures of gray matter volume and cerebrovascular hemodynamics were compared between groups of coronary artery disease patients and age-matched controls, to describe regional effects of CVD on the brain. In a sub-set of patients, imaging measures were repeated after completion of a 6-month exercise training, part of a cardiac rehabilitation program, to examine exercise effects. Differences in cerebrovascular hemodynamics were measured as changes in resting cerebral blood flow (CBF) and changes in cerebrovascular reactivity (CVR) to hypercapnia (6% CO2) using a non-invasive perfusion magnetic resonance imaging technique, arterial spin labelling (ASL). We found decreased brain volume, CBF and CVR in several regions of the brains of coronary artery disease patients compared to age-matched healthy controls. The reductions in CBF and CVR were independent of underlying brain atrophy, suggesting that changes in cerebrovascular function could precede changes in brain structure. In addition, increase in brain volume and CBF were observed in some regions of the brain after exercise training, indicating that cardiac rehabilitation programs may have neurorehabiliation effects as well. Since, CBF measured with ASL is not the [gold] standard measure of functional brain activity, we examined the regional correlation of ASL-CBF to glucose consumption rates (CMRglc) measured with positron emission tomography (PET), a widely acceptable marker of brain functional activity. Simultaneous measurements of ASL-CBF and PET-CMRglc were performed in a separate study in a group of older adults with no neurological impairment. Across brain regions, ASL-CBF correlated well with PET-CMRglc, but variations in regional coupling were found and demonstrate the role of certain brain regions in maintaining higher level of functional organization compared to other regions. In general, the results of the thesis demonstrate the impact of CVD on brain health, and the neurorehabiliation capacity of cardiac rehabilitation. The work presented also highlights the ability of novel non-invasive neuroimaging techniques in detecting and monitoring subtle but robust changes in the aging human brain

How a Diverse Research Ecosystem Has Generated New Rehabilitation Technologies: Review of NIDILRR’s Rehabilitation Engineering Research Centers

Over 50 million United States citizens (1 in 6 people in the US) have a developmental, acquired, or degenerative disability. The average US citizen can expect to live 20% of his or her life with a disability. Rehabilitation technologies play a major role in improving the quality of life for people with a disability, yet widespread and highly challenging needs remain. Within the US, a major effort aimed at the creation and evaluation of rehabilitation technology has been the Rehabilitation Engineering Research Centers (RERCs) sponsored by the National Institute on Disability, Independent Living, and Rehabilitation Research. As envisioned at their conception by a panel of the National Academy of Science in 1970, these centers were intended to take a “total approach to rehabilitation”, combining medicine, engineering, and related science, to improve the quality of life of individuals with a disability. Here, we review the scope, achievements, and ongoing projects of an unbiased sample of 19 currently active or recently terminated RERCs. Specifically, for each center, we briefly explain the needs it targets, summarize key historical advances, identify emerging innovations, and consider future directions. Our assessment from this review is that the RERC program indeed involves a multidisciplinary approach, with 36 professional fields involved, although 70% of research and development staff are in engineering fields, 23% in clinical fields, and only 7% in basic science fields; significantly, 11% of the professional staff have a disability related to their research. We observe that the RERC program has substantially diversified the scope of its work since the 1970’s, addressing more types of disabilities using more technologies, and, in particular, often now focusing on information technologies. RERC work also now often views users as integrated into an interdependent society through technologies that both people with and without disabilities co-use (such as the internet, wireless communication, and architecture). In addition, RERC research has evolved to view users as able at improving outcomes through learning, exercise, and plasticity (rather than being static), which can be optimally timed. We provide examples of rehabilitation technology innovation produced by the RERCs that illustrate this increasingly diversifying scope and evolving perspective. We conclude by discussing growth opportunities and possible future directions of the RERC program

Do-It-Yourself Empowerment as Experienced by Novice Makers with Disabilities

Recent HCI research has highlighted the potential afforded by maker technologies for supporting new forms of DIY Assistive Technology (DIY-AT) for people with disabilities. Furthermore, the popular discourse surrounding both the maker movement and disability is one of democratisation and empowerment. Despite this, critics argue that maker movement membership lacks diversity and that within DIY-AT, it is seldom the people with disabilities who are creating such designs. We conducted a qualitative study that explored how people with disabilities experience the empowering potential of making. We analysed online videos by makers with disabilities and conducted fieldwork at two makerspaces. These informed the design of DIY-Abilities, a series of workshops for people with disabilities in which participants could learn different maker technologies and complete their own maker project. Through analysis of participants’ narratives we contribute a new perspective on the specific social and material capacities of accessible maker initiatives

Group G: Drink Mixer II

We, group G, want to address the needs of the restaurant industry by facilitating it with the products, alcoholic beverages, that often brings in the most income in a night for the business and for its bartenders. Mixing drinks takes specialized attention, energy, and time and can be a stressful task for bartenders to perform when a restaurant is packed with customers. Waits become longer and drink orders back up until the restaurant empties again. Our group strives to create a product that will ensure each customer is served with fast and efficient service, while still providing the special attention to a specific order. Our concept, a drink mixer, will deliver drinks in a timely and correct manner to help bartenders make more drinks at a time and address customers during high traffic times. Our group created a project to develop this drink mixer. We interviewed bartenders and other consumers to get their thoughts and suggestions on an ideal product for their bar. Using these ideas as inspirations, we developed various concepts that could achieve these needs. We rated our designs based on their manufacturability, cost, components, reliability, and more characteristics to ensure our chosen design could be completed in the time and budget constraints we had. Our chosen concept achieved most of our design conditions and we set quantitative performance goals to evaluate our product. The drink mixer would carry various ingredients, shake or stir our beverage, make different drink recipes, and be controlled by pre-set buttons. We performed various design analysis to help create each component in the system. Once we began buying and assembling materials, the product we envisioned proved to be more difficult to make as we progressed over the semester. The process revealed various faults in our design and building process. Overall, we learned as a group about the design process, budgeting, using Arduino and other electrical components, and the build and testing process. This report offers details our project from start to finish of envisioning, designing, and building our drink mixer, while also showing our insight and reflection on the entire process