Six Sigma SPC's
Quality Control Dictionary and Glossary
2070 W. Washington St. #5 Springfield IL
62702 Ph: 217.698.0063
6 Sigma Statistical Process Control (SPC) Software for Windows
95/98/NT/2000/XP/ME
Parts, modules, processes,
and procedures that carry out the same operations concurrently. Should one
of these items fail, the system will continue to operate in a normal mode
of operation without downtime or defects.
For example the United States Space Shuttle
has multiple active redundant systems. Some individual operations contain
several redundant systems by
themselves.