olemus
ISO/IEC 2382-14:
hooldus, mis põhineb teatud reguleerimisskeemil,
millega saab soovitud teenusekvaliteeti hoida
väiksemate või minimaalsete pingutustega
=
maintenance based on a control scheme according to which a desired quality of service can be sustained with minimal or reduced maintenance efforts

ülevaateid
https://files.nc.gov/ncdit/documents/Statewide_Policies/SCIO_Maintenance.pdf

https://www.lawinsider.com/dictionary/controlled-maintenance

https://www.goodreads.com/book/show/15107267-principles-of-controlled-maintenance-management