Dissertations / Theses on the topic 'Wheelchair'
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Li, Yiran. "Height adjustable wheelchair seat design." Thesis, Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/44767.
Full textSvensson, Niklas, and Anna Kowalska. "Development of a Wheelchair loading device : For manual wheelchairs." Thesis, Linnéuniversitetet, Institutionen för maskinteknik (MT), 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-44881.
Full textCouture, Eric Daniel. "The design and manufacture of an elevating/articulating manual wheelchair legrest." Worcester, Mass. : Worcester Polytechnic Institute, 2006. http://www.wpi.edu/Pubs/ETD/Available/etd-050306-151613/.
Full textHelin, Emil. "Botswanan Wheelchair." Thesis, KTH, Maskinkonstruktion (Inst.), 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-168725.
Full textHECKEL, PAMELA FUNDERBURG. "BEYOND THE WHEELCHAIR." University of Cincinnati / OhioLINK, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1068666912.
Full textWalker, Linda Ann. "Accepting wheelchair use." Thesis, University of Brighton, 2013. https://research.brighton.ac.uk/en/studentTheses/933b5a83-d0b4-40a0-abff-526fcc10888f.
Full textQuade, Michael. "Design and Construction of a Wheelchair Tray for Rigid Wheelchair Users." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1250609866.
Full textNdosi, Aston. "Locally manufactured wheelchairs in Tanzania : Do they meet the needs of Tanzanian wheelchair users?" Master's thesis, University of Cape Town, 2014. http://hdl.handle.net/11427/13979.
Full textNilsson, Rebecca, and de Val Almida Winquist. "Hand Gesture Controlled Wheelchair." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-264512.
Full textHaptiskt styrning är en teknologi som utvecklas snabbt och inkorporeras i många av dagens produkter, till exempel i allt från VR-spel till styrning av fordon. På samma sätt skulle denna teknologi kunna underlätta för rörelsehindrade genom att erbjuda styrning av rullstol med hjälp av handrörelser. Syftet med detta projekt var därför att undersöka om en rullstol kan styras med handrörelser och i så fall vilket sätt som är optimalt. För att besvara rapportens frågeställning har framtagningen av en prototyp av en rullstol i liten skala gjorts. Denna är baserad på en mikrodator, Arduino, som styrs av en sensor, IMU, som mäter vinkeln på användarens hand. Med hjälp av dessa kan motorerna styras och rullstolen manövreras. Resultatet av rapporten har lett till ett förslag på hur handrörelser kan styra rullstolen framåt, bakåt, till vänster och till höger under konstant fart samt få den att stanna. Protypen följer gesterna som användarens hand visar, men reagerar långsammare än vad som vore önskvärt i verkligheten. Trots att många utvecklingsmöjligheter kvarstår för haptisk styrning av en rullstol, visar detta arbete att det finns stor potential i att implementera denna teknik med handrörelsestyrning i en verklig rullstol.
Edlund, Andreas. "Navigation for Autonomous Wheelchair Robot." Thesis, Linköping University, Department of Electrical Engineering, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2475.
Full textThe problem with motorized wheelchairs is that they are large, clumsy and difficult to control. This is especially true if the driver has severely reduced capabilities. What we want is a wheelchair that can take instructionsfrom the driver and then based on its understanding of the environment, construct a plan that will take the user to the intended destination. The user should be able to sit in a room, tell the wheelchair that he wants to be in another room and the wheelchair should take him there as quickly and smoothly as possible.
The planner presented in this thesis uses a randomized bi-directional tree search. It builds two trees, one from the start state and one from the goal state by randomly sampling the control space of the robot. Each node is a state and each edge is a control input to the robot.
In order to decrease the execution time and improve path quality, the planner uses several heuristics to guide the planner. The heuristics are based on Rapidly-exploring Random Trees, Probabilistic Road-maps and the gradient method.
For a normal household situation, this planner can construct a decent plan in mere seconds on relatively slow hardware. Most times it finishes in a fraction of a second.
This means that the planner has the ability to run in real-time. As a consequence, the planner can handle a dynamic environment, inaccurate sensor readings and an inaccurate physical robot model.
Escudero, Pablo. "Design of an Urban Wheelchair." Thesis, Mälardalen University, School of Innovation, Design and Engineering, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-4345.
Full textIn this report I will develop a wheelchair adapted to the urban reality of our society.
It’ll have to compete with the electric wheelchairs on the market today. There is a real
necessity on this as the wheelchairs on the streets today have developed little since
they were firstly introduced in world war 2.
To achieve a successful product we will study the different wheelchairs and how they
adapt to the urban environment. Such study will include several surveys focusing on
the user, it’s illnesses and anthropometrical measures as well as his way of usage.
Then we will focus on the wheelchair, the types, characteristics, parts, and functions.
The result will be an electric wheelchair which improves significatively in
ergonomics, stability and maneuverability over their electric counterparts. Moreover it
greatly increases it’s outdoor and indoor capability reducing the architectonical
barriers that can be found on a city.
Ezeh, Chinemelu Ejiamatu Muoma. "Shared control for wheelchair interfaces." Thesis, University College London (University of London), 2018. http://discovery.ucl.ac.uk/10048965/.
Full textLetcher, Ryan. "SmartHub: A Low Cost Manual Wheelchair Fitness Metrics Tool for Clinicians, Researchers, and Wheelchair Users." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu149270449042227.
Full textMaximo, Tulio P. dos Santos. "Not just the right for a wheelchair but the right wheelchair : a multi-site study of the wheelchair public service provision in Belo Horizonte city, Brazil." Thesis, Loughborough University, 2018. https://dspace.lboro.ac.uk/2134/31843.
Full textJohansson, Jonas, and Daniel Petersson. "Torque Sensor Free Power Assisted Wheelchair." Thesis, Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-656.
Full textA power assisted wheelchair combines human power, which is delivered by the arms through the pushrims, with electrical motors, which are powered by a battery. Today’s electric power assisted wheelchairs use force sensors to measure the torque exerted on the pushrims by the user. The force sensors in the pushrims are rather expensive and this approach also makes the wheels a little bit clumsy. The objective with this project is to find a new, better and cheaper solution that does not use expensive force sensors in the pushrims. The new power assisted wheelchair will instead only rely on its velocity, which is measured with rotational encoders, as feedback signal and thereby the project name “Torque Sensor Free Power Assisted Wheelchair”.
The project consisted of two main parts; an extensive construction part, where an ordinary joystick controlled motorized wheelchair has been rebuild to the new power assisted wheelchair without torque sensors and a development part, where different torque sensor free controllers has been designed, simulated, programmed and tested.
The project resulted in a torque sensor free power assisted wheelchair, where the final implemented design is a proportional derivative controller, which gives a very good assisting system that is robust and insensitive to measurement noise. The proportional derivative control design gives two adjustable parameters, which can be tuned to fit a certain user; one parameter is used to adjust the amplification of the user’s force and the other one is used to change the lasting time of the propulsion influence.
Since the new assisting control system only relies on the velocity, the torque sensor free power assisted wheelchair will besides giving the user assisting power also give an assistant, which pushes the wheelchair, additional power. This is a big advantage compared to the pushrim activated one, where this benefit for the assistant is not possible.
Horncastle, Michelle Marie. "Municipal trail accessibility for wheelchair users." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape15/PQDD_0012/MQ35501.pdf.
Full textTang, Robert. "A Semi-autonomous Wheelchair Navigation System." Thesis, University of Canterbury. Mechanical Engineering, 2012. http://hdl.handle.net/10092/6472.
Full textGoodwin, Michael John. "Navigational assistance for disabled wheelchair users." Thesis, University of Portsmouth, 1999. https://researchportal.port.ac.uk/portal/en/theses/navigational-assistance-for-disabled-wheelchair-users(5797931f-06f3-4b9f-a7e5-cc63357a8a50).html.
Full textCroft, Louise. "Investigating energy expenditure in wheelchair athletes." Thesis, Loughborough University, 2012. https://dspace.lboro.ac.uk/2134/9788.
Full textSuri, Prerna. "CLOTHING NEEDS ASSESSMENT FOR WHEELCHAIR USERS." Kent State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=kent1470244671.
Full textFaria, Brígida Mónica Teixeira de. "Patient classification for intelligent wheelchair adaptation." Doctoral thesis, Universidade de Aveiro, 2013. http://hdl.handle.net/10773/11507.
Full textA importância e preocupação dedicadas à autonomia e independência das pessoas idosas e dos pacientes que sofrem de algum tipo de deficiência tem vindo a aumentar significativamente ao longo das últimas décadas. As cadeiras de rodas inteligentes (CRI) são tecnologias que podem ajudar este tipo de população a aumentar a sua autonomia, sendo atualmente uma área de investigação bastante ativa. Contudo, a adaptação das CRIs a pacientes específicos e a realização de experiências com utilizadores reais são assuntos de estudo ainda muito pouco aprofundados. A cadeira de rodas inteligente, desenvolvida no âmbito do Projeto IntellWheels, é controlada a alto nível utilizando uma interface multimodal flexível, recorrendo a comandos de voz, expressões faciais, movimentos de cabeça e através de joystick. Este trabalho teve como finalidade a adaptação automática da CRI atendendo às características dos potenciais utilizadores. Foi desenvolvida uma metodologia capaz de criar um modelo do utilizador. A investigação foi baseada num sistema de recolha de dados que permite obter e armazenar dados de voz, expressões faciais, movimentos de cabeça e do corpo dos pacientes. A utilização da CRI pode ser efetuada em diferentes situações em ambiente real e simulado e um jogo sério foi desenvolvido permitindo especificar um conjunto de tarefas a ser realizado pelos utilizadores. Os dados foram analisados recorrendo a métodos de extração de conhecimento, de modo a obter o modelo dos utilizadores. Usando os resultados obtidos pelo sistema de classificação, foi criada uma metodologia que permite selecionar a melhor interface e linguagem de comando da cadeira para cada utilizador. A avaliação para validação da abordagem foi realizada no âmbito do Projeto FCT/RIPD/ADA/109636/2009 - "IntellWheels - Intelligent Wheelchair with Flexible Multimodal Interface". As experiências envolveram um vasto conjunto de indivíduos que sofrem de diversos níveis de deficiência, em estreita colaboração com a Escola Superior de Tecnologia de Saúde do Porto e a Associação do Porto de Paralisia Cerebral. Os dados recolhidos através das experiências de navegação na CRI foram acompanhados por questionários preenchidos pelos utilizadores. Estes dados foram analisados estatisticamente, a fim de provar a eficácia e usabilidade na adequação da interface da CRI ao utilizador. Os resultados mostraram, em ambiente simulado, um valor de usabilidade do sistema de 67, baseado na opinião de uma amostra de pacientes que apresentam os graus IV e V (os mais severos) de Paralisia Cerebral. Foi também demonstrado estatisticamente que a interface atribuída automaticamente pela ferramenta tem uma avaliação superior à sugerida pelos técnicos de Terapia Ocupacional, mostrando a possibilidade de atribuir automaticamente uma linguagem de comando adaptada a cada utilizador. Experiências realizadas com distintos modos de controlo revelaram a preferência dos utilizadores por um controlo compartilhado com um nível de ajuda associado ao nível de constrangimento do paciente. Em conclusão, este trabalho demonstra que é possível adaptar automaticamente uma CRI ao utilizador com claros benefícios a nível de usabilidade e segurança.
The importance and concern given to the autonomy and independence of elderly people and patients suffering from some kind of disability has been growing significantly in the last few decades. Intelligent wheelchairs (IW) are technologies that can increase the autonomy and independence of this kind of population and are nowadays a very active research area. However, the adaptations to users’ specificities and experiments with real users are topics that lack deeper studies. The intelligent wheelchair, developed in the context of the IntellWheels project, is controlled at a high-level through a flexible multimodal interface, using voice commands, facial expressions, head movements and joystick as its main input modalities. This work intended to develop a system enabling the automatic adaptation, to the user characteristics, of the previously developed intelligent wheelchair. A methodology was created enabling the creation of a user model. The research was based on the development of a data gathering system, enabling the collection and storage of data from voice commands, facial expressions, head and body movements from several patients with distinct disabilities such as Cerebral Palsy. The wheelchair can be used in different situations in real and simulated environments and a serious game was developed where different tasks may be performed by users. Data was analysed using knowledge discovery methods in order to create an automatic patient classification system. Based on the classification system, a methodology was developed enabling to select the best wheelchair interface and command language for each patient. Evaluation was performed in the context of Project FCT/RIPD/ADA/109636/ 2009 – “IntellWheels – Intelligent Wheelchair with Flexible Multimodal Interface”. Experiments were conducted, using a large set of patients suffering from severe physical constraints in close collaboration with Escola Superior de Tecnologia de Saúde do Porto and Associação do Porto de Paralisia Cerebral. The experiments using the intelligent wheelchair were followed by user questionnaires. The results were statistically analysed in order to prove the effectiveness and usability of the adaptation of the Intelligent Wheelchair multimodal interface to the user characteristics. The results obtained in a simulated environment showed a 67 score on the system usability scale based in the opinion of a sample of cerebral palsy patients with the most severe cases IV and V of the Gross Motor Function Scale. It was also statistically demonstrated that the data analysis system advised the use of an adapted interface with higher evaluation than the one suggested by the occupational therapists, showing the usefulness of defining a command language adapted to each user. Experiments conducted with distinct control modes revealed the users' preference for a shared control with an aid level taking into account the level of constraint of the patient. In conclusion, this work demonstrates that it is possible to adapt an intelligent wheelchair to the user with clear usability and safety benefits.
Moon, Jungun. "Effect of contact-release angle on hand-handrim for peak velocity." Virtual Press, 1992. http://liblink.bsu.edu/uhtbin/catkey/834622.
Full textSchool of Physical Education
Yao, Fei. "Measurement and modeling of wheelchair propulsion ability for people with spinal cord injury." Thesis, University of Canterbury. Mechanical Engineering, 2007. http://hdl.handle.net/10092/1218.
Full textAyik, Hatice Mujde. "Stability Augmentation Of A Semi-autonomous Wheelchair." Master's thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/12605377/index.pdf.
Full textHsieh, Pin-Chun. "Autonomous robotic wheelchair with collision-avoidance navigation." Texas A&M University, 2008. http://hdl.handle.net/1969.1/86037.
Full textRAMOS, CARLOS MAURICIO DA COSTA. "WHEELCHAIR WITH STRUCTURAL DESIGN IN TENSEGRITY BAMBOO." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2016. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=27311@1.
Full textEsta pesquisa está inserida no universo dos portadores de necessidades especiais e pretende desenvolver uma nova tecnologia para projetar a estrutura de cadeira de rodas. Tal estrutura será composta por um módulo tensegrity composto de varas de bambu e cabos tensionados e adota todos os padrões antropométricos com a observância aos estudos ergonômicos e necessidades individuais de uso dos cadeirantes. Esse novo conceito de design de estrutura, por ser inédito, resulta num produto inovador e permite novas interpretações e desdobramentos. Essa pesquisa também inicia uma nova interpretação do tensegrity por sua aplicação a órteses para reabilitação que atualmente é amplamente difundido nas artes plásticas, arquitetura e no design de produto. O seu emprego pode suprir algumas necessidades como adaptação corporal favorável pela maleabilidade da estrutura que absorve os movimentos mais bruscos que possam causar incômodos, lesões e má acomodação do usuário à cadeira de rodas.
This research is part of the universe of people with special needs and aims to develop a new technology to design the wheelchair frame. This structure will consist of a compound tensegrity module bamboo poles and tensioned cables and adopts all anthropometric standards with respect to ergonomic studies and individual needs of use of the wheelchair. This new concept of structure design, to be unheard of, resulting in an innovative product and allows new interpretations and developments. This research also initiates a new interpretation of tensegrity by its application to orthoses for rehabilitation that is currently widespread in art, architecture and product design. Your job can fill some needs as body adaptation favor the flexibility of the structure that absorbs the most sudden movements that may cause nuisance, injuries and poor user accommodation to the wheelchair.
Liadis, Keith Nicholas. "Design of a Power-Assist Hemiplegic Wheelchair." Digital WPI, 2006. https://digitalcommons.wpi.edu/etd-theses/794.
Full textRogers, Paul. "Modelling the crashworthiness of specialist wheelchair devices." Thesis, University of South Wales, 2008. https://pure.southwales.ac.uk/en/studentthesis/modelling-the-crashworthiness-of-specialist-wheelchair-devices(b789c8e3-0998-4560-a991-d53b968769bc).html.
Full textFerreira, José Pedro Leitão. "Physical self-perceptions in wheelchair sport participants." Thesis, University of Bristol, 2004. http://hdl.handle.net/1983/33436d05-6d0c-45b7-9c02-ac19e728e1b8.
Full textCampbell, Elizabeth. "Stress and coping in wheelchair sport participants." Thesis, Loughborough University, 1997. https://dspace.lboro.ac.uk/2134/7319.
Full textSciberras, Jade. "Interactive gesture controller for a motorised wheelchair." Thesis, Sciberras, Jade (2015) Interactive gesture controller for a motorised wheelchair. Honours thesis, Murdoch University, 2015. https://researchrepository.murdoch.edu.au/id/eprint/29873/.
Full textLamti, Hachem Amine. "Brain and gaze based wheelchair navigation enhancement." Thesis, Toulon, 2013. http://www.theses.fr/2013TOUL0020/document.
Full textHe Brain Eyes WHEELchair Interface (BEWHEELI) project aims at proposing a new alternative for severely disabled people (example palsy and Locked-In patients) to command their wheelchairs. It's built on two major blocks: the command block which ensures the migration from the use of joystick to the gaze/brain automated command (including the intermediate phase of gaze/joystick command). The security block deals with the wheelchair control by assessing human factors mainly emotions and mental fatigue through its impact on brainwave patterns. In the former, four emotions were induced and implemented (relaxation, nervousness, excitement and stress) in three navigation scenarios where the introduction of the detection block was assessed. The next step consists on evaluating the impact the mental fatigue can have on two sources of control : Positive 300 (P300) and Steady State Visual Evocked Potentials (SSVEP).Those are treated individually and combined be the mean of evidential theory reasoning to build up a fatigue detection block. At the end a fuzzy logic based decision system was introduced to combine emotional and fatigue blocks that triggers to three navigation modes : manual, semi-autonomous and autonomous that reflect physical abilities of the users to command their wheelchairs
Pomfret, David. "Differences in Aerobic Response to Wheelchair Locomotion." DigitalCommons@CalPoly, 2010. https://digitalcommons.calpoly.edu/theses/299.
Full textElmertoft, Erika. "Rullstolshandtag som möjliggör ögonkontakt – ett produktutvecklingsprojekt." Thesis, Högskolan i Halmstad, Sektionen för ekonomi och teknik (SET), 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-14978.
Full textCope, Clinton D. "Development of a Concept Wheelchair for the Elderly." Thesis, Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/14629.
Full textBest, Krista Lynn. "Manual wheelchair users : understanding participation and skill development." Thesis, University of British Columbia, 2014. http://hdl.handle.net/2429/51592.
Full textMedicine, Faculty of
Graduate
Mallakzadeh, Mohammadreza. "Biomechanical modeling and analysis of manual wheelchair propulsion." Thesis, University of British Columbia, 2007. http://hdl.handle.net/2429/31423.
Full textApplied Science, Faculty of
Mechanical Engineering, Department of
Graduate
Garden, Jennifer Anna. "Reliability and validity of the Wheelchair Outcome Measure." Thesis, University of British Columbia, 2009. http://hdl.handle.net/2429/12613.
Full textGoosey, Victoria Louise. "Pushing economy and propulsion technique of wheelchair racers." Thesis, Manchester Metropolitan University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.300888.
Full textRestorick, Miranda. "ADJUSTABLE WHEELCHAIR OBSTACLE SIMULATOR AND INSTRUMENTATION FOR ASSESSING WHEELCHAIR SUSPENSION." Thesis, 2010. http://hdl.handle.net/1974/5417.
Full textThesis (Master, Mechanical and Materials Engineering) -- Queen's University, 2010-01-30 12:17:57.181
Lin, Ming-Hsuan, and 林明玄. "Wheelchair safety devices." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/50270045794124657309.
Full text南開科技大學
車輛與機電產業研究所
101
As society changes in the structure and the economic boom of development and medical and health advances, men and women's life is governed by year extension, more than 65 years the elderly population showed a rapid growth trend, the elderly population ratio of 14% for the aging society, if the ratio of 20% compared with super-aged society. According to the CEPD, Executive Yuan of the human population at the push count, more predictive in the Republic 107 years to rise to 14%. However, the reaction in the body as well as elderly people are healthy aging, damage caused by unexpected accidents can not be ignored, for elderly people in wheelchairs to use design, you should consider the needs of a variety of use, good planning and thoughtful design. In this study, an automatic brake via questionnaires safety device to control the wheelchair can not move up the initial state of the state, and we have designed with a buzzer and warning lights to alert the user if there is wearing a seat belt, if there is reached a users and users to wear seat belts when the automatic brake safety device will automatically lifted, allows users to easily move to any place to go. Furthermore, in order to be like a nurse or care because it can be easily moved to the front of each patient for its use in the stroller handlebar button to install the portable safety device can automatically brake released.
Malheiro, Pedro Miguel Candeias de Castro. "Intelligent wheelchair simulation." Master's thesis, 2008. http://hdl.handle.net/10216/59982.
Full textMalheiro, Pedro Miguel Candeias de Castro. "Intelligent wheelchair simulation." Dissertação, 2008. http://hdl.handle.net/10216/59982.
Full textOram, Shikha. "Ergonomic wheelchair design." Thesis, 2014. http://ethesis.nitrkl.ac.in/6339/1/110ID0270-23.pdf.
Full textChien, Chien-Hung, and 錢建宏. "Omni-Directional Motion Wheelchair." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/06982562128046825619.
Full text南開科技大學
福祉科技與服務管理所
97
This project developed a omni-directional motion wheelchair. For the senior people and handicap person, we will provide a very smoothly omni-directional motion wheel chair. It will continue to use the existing manual and electrically operated wheel chair merit, and innovate to a novel omni-directional wheelchair system. Enable the dexterous electrically operated wheelchair along each free position direct migration, but overcomes the existing wheelchair to need the complicated mode of motion. Founds the electrically operated wheelchair nimble movement ability, provides in is narrow the wheelchair system which disorderly the dynamic environment also may cleverly march forward. In of the research the first will carry on the electrically operated wheelchair chassis, organization the design and the development, design the chassis motor and install he driver, infers kinematics and dynamics equation the omni-directional electrically operated wheelchair and transcribes for the control formula, and mechanical and electrical project and so on system and microcomputer system conformity and function test. Simultaneously also will contain personnel's reality to ride the place, repeatedly tests the improvement to the time to complete one kind of concurrently clever movement comfortable smooth wheelchair system.
Yang, DeWei, and 楊德偉. "Modularized wheelchair organization designs." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/23791725566718831417.
Full text崑山科技大學
機械工程研究所
98
High medical technology makes the transport such as wheelchair design to be satisfied with the requirements of disabled and elderly people like as safety, light and applicability. Therefore, the purpose of this work is to design a creative wheelchair by using creative methodology. First, we analyze the specifications of wheelchairs. And, based on the concepts ofgreen products and modularized design, we design a modularized wheelchair by usingthe TRIZ method. The designed wheelchair is composed of modular and normalizedelements such as the user can easily allocate and dismantle normalized elements. Thewheelchair also is a standard, compatible and exchangeable product.
Giesbrecht, Edward Mark. "Comparing satisfaction with occupational performance using a pushrim-activated power-assisted wheelchair and a power wheelchair among task-specific power wheelchair users." Thesis, 2006. http://hdl.handle.net/1993/263.
Full textOctober 2006
Berthelette, Michele. "Assessing manual wheelchair caster design for mobility in winter conditions." 2016. http://hdl.handle.net/1993/31692.
Full textOctober 2016
Chen, Chien-Liang, and 陳建良. "Dual-purpose wheelchair organization designs." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/3qht9q.
Full text崑山科技大學
機械工程研究所
95
The purpose of this research, in order to perfect the wheelchair and use the ethnicity to upper limbs functions , such as old people and limbs obstacle ,etc., make it is it visit friend , shopping to go out , when closing to nature , the holding and lying the dual-purpose function of usable wheelchair, can all be comfortable to no matter sat dealing with the thing or lay flat and had a rest . In addition, the portable rear wheel is designed, can make the whole center of the wheelchair and user slope with the back of the chair the angle change, with move, can increase the stability and security while using . In order to offer having difficulty getting about on more extension stages of the ethnicity, it is goals to improve its human nature dignity and quality of the life, and then the one that designed for its demand and developed and combined the manual wheelchair and electronic wheelchair advantage '' take and poach the dual-purpose wheelchair ''. This research undergoes the demand discussion , design drawing a design of the design that has been already finished '' taken and poached the dual-purpose wheelchair '' after design the procedure and entity''s prototype machine in patent analysis , conceptual design and detail. The main characteristic of this new-type wheelchair is: (1). Channel into user demand consider , in is it it has to be very little to pay attention to in developing to complement in the past concept this in the course of product development. (2). Utilize four connecting rods of groups simple levels, design and sit , poach the dual-purpose function. (3). The crank slips one is designed, can make the big wheel move with the wheelchair backward while sitting and changing , and then adjust users and sit down directly with the flat center while lying , in order to increase the stability and security while using. (4). It is ago, after design steamboat not big it can last wheelchair it turn function not light and more handy, and its structure is simple , easy to use.
Chang, Hua-Yuan, and 張華元. "Wheelchair downhill fixed speed units." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/51177022567062211975.
Full text南開科技大學
車輛與機電產業研究所
101
The aging society is the world most countries have to face the fact that elderly populations in the future population structure will represent a very important part. In addition, according to United Nations statistics, each country's disabled individuals who represent at least 10% of the population, and the moving inconvenience patients most commonly used dependent action aids wheelchair. The wheelchair in the downhill section, if too fast will lead to the elderly nervous, high blood pressure, osteoporosis in the elderly, wheelchair dumping will ride cause serious injury. Wheelchair users and often sickly, slow response, wheelchair encounter downhill when there may be a chance to react, or no time to brake, not force has been hand to brake is actually very difficult for the elderly or upper limb and the palm is also possible because of this injury. The paper is to explore a set of wheelchair downhill fixed speed units, the wheelchair in the downhill section, with a constant speed, increasing the safety of wheelchair downhill.