Sökning: "perfective maintenance"

Hittade 3 avhandlingar innehållade orden perfective maintenance.

  1. 1. Systemförvaltningsmodeller

    Författare :Peder Brandt; Institutionen för informatik; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; software life cycle; system life cycle; perfective maintenance; adaptive maintenance; corrective maintenance; business maintenace model; maintenance model; Software maintenance; maintenance process; software maintenance management; Systems engineering; computer technology; Data- och systemvetenskap;

    Sammanfattning : The term Software Maintenance was coined in the early 1970s. The subject has significance from several points of view. The costs associated with software maintenance are as a rule considerably higher than what the system cost to develop, which is borne out by many studies conducted in different countries over a period of twenty years. LÄS MER

  3. 2. Corrective maintenance maturity model : problem management

    Författare :Mira Kajko-Mattsson; Ned Chapin; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; System design; Maintenance process models; Systemutveckling; data- och systemvetenskap; Computer and Systems Sciences;

    Sammanfattning : Maintenance has become one of the most complex, crucial and costly disciplines within software engineering. Despite this, very few maintenance process models have been suggested. The extant models are too general, covering all maintenance categories, i.e. LÄS MER

  4. 3. Contracts-Based Maintenance of Safety Cases

    Författare :Omar Jaradat; Sasikumar Punnekkat; Mark Nicholson; Mälardalens högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Computer Science; datavetenskap;

    Sammanfattning : Safety critical systems are those systems whose failure could result in loss of life, significant property damage, or damage to the environment. System safety is a major property that shall be adequately assured to avoid any severe outcomes in safety critical systems. LÄS MER