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  • 1.
    Keijer, Ulf
    et al.
    KTH, School of Architecture and the Built Environment (ABE), Architecture.
    Molin, Göran
    KTH, School of Architecture and the Built Environment (ABE), Architecture.
    Sandström, Greger
    KTH, School of Architecture and the Built Environment (ABE), Architecture.
    Old People Living at Home with Acquired Cognitive Impairment Supported by Assistive Technology: Cost-benefit studies2007In: CHALLENGES FOR ASSISTIVE TECHNOLOGY / [ed] Eizmendi G; Azkoitia JM; Craddock G, 2007, Vol. 20, p. 233-237Conference paper (Refereed)
    Abstract [en]

    In three municipalities in Sweden ten to twenty elderly with acquired cognitive impairment at each location are taking part in a project on the introduction of assistive technology to the homes of elderly people. Cost and benefit studies have been carried out attempting to quantify the benefit in monetary terms to the elderly individual living on her own or to her close relatives. Expertise in various fields were engaged in a study group during a number of meetings in order to attain consensus on a set of open questions.

  • 2.
    Lundberg, Stefan
    et al.
    KTH, School of Architecture and the Built Environment (ABE), Architecture.
    Keijer, Ulf
    KTH, School of Architecture and the Built Environment (ABE), Architecture.
    Sandström, Greger
    KTH, School of Architecture and the Built Environment (ABE), Architecture.
    Design of an evaluation of technology, organisation and care for extended living at home by persons suffering from acquired brain injury or dementia: From Virtuality to Reality2005In: Assistive Technology: From Virtuality to Reality / [ed] Pruski, A; Knops, H, 2005, Vol. 16, p. 343-347Conference paper (Refereed)
    Abstract [en]

    Assistive technology is expected to facilitate life at home for people with various kinds of cognitive disorder. To study the applicability and adaptation of a number of aids in the daily living at home a three-years project have been launched in Sweden. It consists of undertakings in three municipalities, each planned to comprise some twenty participants about sixty years of age and upwards, suffering either from an acquired brain injury or from dementia. The goal is to acquire knowledge and experience about technical aids, their appropriateness and adaptability to the caretakers and to the organisation supporting them. The housing companies play an important role for the development of the project, as many technical aids are intrinsically linked to the physical building structure. The authors are engaged in the evaluation of the entire project which is in its starting phase. This article outlines some basic principles of the planned evaluation.

  • 3.
    Lundberg, Stefan
    et al.
    KTH, School of Architecture and the Built Environment (ABE), Architecture.
    Sandström, Greger
    KTH, School of Architecture and the Built Environment (ABE), Architecture.
    Keijer, Ulf
    KTH, School of Architecture and the Built Environment (ABE), Architecture.
    Safety at Home for People with Cognitive Disorder: the Installation Process2006In: Accesibility and Safety for All - International conference PTE-Expo, on March 2006 in Verona, Italy, 2006, p. 1-10Conference paper (Refereed)
    Abstract [en]

    Assistive technology is expected to facilitate life at home for people with variouskinds of cognitive disorder. To study the applicability and adaptation of a number ofaids for this group in their daily living at home a three-year project was launched inSweden 2004. It consists of undertakings in three municipalities, each planned tocomprise some twenty participants, sixty years of age and older, suffering either fromdementia or from some other acquired brain injury. In the second phase of theproject, now under way, the complexity of the installation process of assistivetechnology in ordinary homes has emerged as a crucial issue. If the project will besuccessful and able to offer a model for other similar undertakings in the future,efficient and reliable installation procedures will become indispensable. The verymoment of installation is considered and concern is paid to the functionality of theequipment over a long period of time. Assistive technologies applied for the sake ofsecurity for this target group comprise, i.a., automatic or manual alarms, smartsensors, automatic switch off systems, reminders and illuminated night paths to thebathrooms. Typical examples are security systems like the “go-away” lock and thereminder-panel. People with some cognitive dysfunction, still living in their ownhomes, are prone to forget to switch off the stove, the iron or other equipmentinducing a potential risk of fire. The paper describes the installation process of areminder system and some important findings from the study.

  • 4.
    Sandström, Greger
    KTH, School of Architecture and the Built Environment (ABE), Architecture.
    Smart Homes and User Values: Long-term evaluation of IT-services in Residential and Single Family Dwellings2009Doctoral thesis, comprehensive summary (Other academic)
    Abstract [en]

    Do residents find value in smart home functions? How should these functions be designed to offer user benefit? These were the governing questions of this study that involved nearly 200 families in three different housing projects during five years of occupancy. The housing units were equipped with advanced smart homes solutions, electronic and digital devices to control them, and a set of functions to increase comfort, safety and security in the homes.

    The evaluations of the residents' use and benefits were accomplished in two different phases, i) evaluation of the user expectations' before and direct after occupancy and ii) long-term experiences after 3-5 years. A third phase of the study represents a radical shift in view. Issues related to innovation and organisation of service delivery were brought into the fore.

    The research is founded on the multiple case-based methodology. Literature studies were effected. Data acquisition was based on interviews and questionnaires. Theoretical models from different research areas were used in order to analyse observations and to arrive to grounded conclusions.

    Important conclusions include the fact that smart home functionalities must be developed as close as possible out of the users' genuine needs as experienced in their daily lives. Failure to attain accessibility to a certain function will cause disappointment and will be forsaken. To gain and over time preserve the user's trust in smart home functions or in a system as a whole is conclusive for the their use. Another conclusion is that a viable business model for smart homes must include the occupancy phase. Surveillance and maintenance of smart home systems must be secured over time. It is argued that the failure of establishing a viable long-term service to homes to the benefit to the user depends highly on the market’s ability to supply the homes with appropriate services over time. Possible ways to mediate revealed shortcomings are outlined and what role and responsibility the housing construction industry has to consider with the further development of smart homes.

  • 5.
    Sandström, Greger
    et al.
    KTH, School of Architecture and the Built Environment (ABE), Architecture.
    Gustavsson, Stig
    KTH, School of Architecture and the Built Environment (ABE), Architecture.
    Lundberg, Stefan
    KTH, School of Architecture and the Built Environment (ABE), Architecture.
    Keijer, Ulf
    KTH, School of Architecture and the Built Environment (ABE), Architecture.
    Junestrand, Stefan
    KTH, School of Architecture and the Built Environment (ABE), Architecture.
    Long-term viability of smart home systems - Business modelling and conceptual requirements on technology2005In: Home-Oriented Informatics and Telematics, Proceedings / [ed] Sloane, A, 2005, Vol. 178, p. 71-86Conference paper (Refereed)
    Abstract [en]

    Stockholm during the years 1999-2002 some residential housing units provided with advanced IT-based functions were developed, also called smart homes systems. ne purpose was to offer the residents an augmented living environment mainly regarding security and comfort. Only the IT company that originally developed the basic system fully knows it in depth, a fact which has shown to become very unfavourable for the residents. The running cost, also for minor changes of the functionality of the system, has turned out to be high and prohibiting. Also the contracted regular maintenance requires access to unique competence, which also has become costly. Recently the company has indicated a replacement of the smart homes system with a simpler one based on the Internet. Business models for viable home systems should include the occupancy phase, which to date have been neglected. A crucial issue is who will and can assume long-term responsibility for surveillance, maintenance, and added functionalities over time. This paper will discuss some principal questions and prerequisites regarding business viability in relationship to smart home systems, and its significance for business modelling.

  • 6.
    Sandström, Greger
    et al.
    KTH, School of Architecture and the Built Environment (ABE), Architecture.
    Keijer, Ulf
    KTH, School of Architecture and the Built Environment (ABE), Architecture.
    Integrated Systems in Single-Family Houses – An Incomplete Innovation.2007In: Smart Homes and User Values, Gateshead: The Urban International Press , 2007Chapter in book (Other academic)
  • 7.
    Sandström, Greger
    et al.
    KTH, School of Architecture and the Built Environment (ABE), Architecture.
    Keijer, Ulf
    KTH, School of Architecture and the Built Environment (ABE), Architecture.
    Smart home systems - Accessibility and trust2010In: Open House International, ISSN 0168-2601, Vol. 35, no 3, p. 6-14Article in journal (Refereed)
    Abstract [en]

    This article explores the residents' attitudes to and acceptance of Smart Homes. The results are based on surveys of two residential units fit with advanced smart home systems. The systems offered functionalities of different kinds as alarms, energy measurement, booking of common facilities, broadband connections and electronic keys. The buildings were first occupied in mid 2001 and early 2002, respectively. The original smart home systems were in operation until end of 2005, when they ultimately were replaced by simpler ones, based on the web, a change not foreseen from the beginning. The extended period of time offered the possibility to study the residents' long term attitudes, expectations and demands on smart homes with their installed and perceived functionality. The questionnaire surveys focused on the residents experiences and included questions of their actual use of the smart home systems and opinions regarding accessibility and easy of use. Albeit functionality related to current demand is a basic requirement, two other concepts, viz, accessibility and trust, have appeared to be fundamental for a positive attitude and acceptance of various functions that constitute a smart home. Related issues are developed and further discussed in the article.

  • 8.
    Sandström, Greger
    et al.
    KTH, School of Architecture and the Built Environment (ABE), Architecture.
    Keijer, Ulf
    KTH, School of Architecture and the Built Environment (ABE), Architecture.
    User Values of Smart Home Functions in Residential Living2007In: Smart Homes and User Values. , Gateshead, UK.: The Urban International Press , 2007Chapter in book (Other academic)
  • 9.
    Sandström, Greger
    et al.
    KTH, Superseded Departments, Architecture.
    Werner, Inga Britt
    KTH, Superseded Departments, Architecture.
    Keijer, Ulf
    KTH, Superseded Departments, Architecture.
    Smart Homes Evaluated.2003In: Open House International, Vol. 28, no 4Article in journal (Refereed)
1 - 9 of 9
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