1、Lessons Learned Entry: 1132Lesson Info:a71 Lesson Number: 1132a71 Lesson Date: 1999-02-01a71 Submitting Organization: HQa71 Submitted by: David M. LengyelSubject: Computer Hardware-Software/International Space Station/Software Development Description of Driving Event: Consistent User Involvement in
2、Software Development ProcessLesson(s) Learned: Several software developments are on the critical path for launch and operation of the ISS. While some software elements have had the early involvement of a multi-disciplinary team that includes users and operators, many have not. The lack of user invol
3、vement results in increased schedule and safety risk to the program.Recommendation(s): The ISS program should follow a concurrent engineering approach to building software that involves users and other key discipline specialists early in the software development process to provide a full range of pe
4、rspectives and improve the understanding of requirements before code is developed.Evidence of Recurrence Control Effectiveness: NASA concurs with the recommendation. The US portion of the ISS is structured around an Integrated Product Team approach. This approach did, and does, include specialists f
5、rom users and operators during all phases of development. The international partners development is followed closely by subsystem and operations working groups to enhance system understanding and involvement by system experts, crew, and operations personnel.Documents Related to Lesson: Provided by I
6、HSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-N/AMission Directorate(s): a71 Exploration Systemsa71 Space Operationsa71 Aeronautics ResearchAdditional Key Phrase(s): a71 Administration/Organizationa71 Aerospace Safety Advisory Panela71 Human Factorsa71 Softwarea71 SpacecraftAdditional Info: Approval Info: a71 Approval Date: 2002-02-25a71 Approval Name: Bill Loewya71 Approval Organization: HQa71 Approval Phone Number: 202-358-0528Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
