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Cartref > Arddangosfa > Cynnwys
Ansawdd ac arolygu
Mar 21, 2018

Disgrifir pedwar categori sylfaenol o ansawdd costau yn y canlynol:

1, atal---costau a ysgwyddwyd wrth gynllunio, gweithredu, a chynnal system ansawdd a fydd yn sicrhau cydymffurfiaeth â gofynion ansawdd ar lefel y darbodus. Enghraifft o gost atal yw hyfforddiant yn y defnydd o reolaeth broses ystadegol.

2, arfarniad---costau yr eir iddynt wrth benderfynu ar raddau cydymffurfiaeth â gofynion ansawdd. Enghraifft o gost gwerthuso yw arolygu.

3, methiant mewnol---costau sy'n codi pan mae cynhyrchion, cydrannau a deunyddiau yn methu â bodloni'r gofynion ansawdd cyn trosglwyddo perchnogaeth y cwsmer. Enghraifft o gost methiant mewnol yn sgrap.

4, methiant allanol---costau pan mae'r cynhyrchion yn methu â bodloni'r gofynion ansawdd ar ôl trosglwyddo perchenogaeth i gwsmeriaid. Enghraifft o gost methiant allanol yw hawliadau gwarant.

Er y pennir lefel rheoli ansawdd yn rhan fawr gan ddamcaniaeth tebygolrwydd a cyfrifiadau ystadegol, mae'n bwysig iawn bod y prosesau casglu data yn y gweithdrefnau hyn yn dibynnu arnynt yn briodol a chywir. Y weithdrefn ystadegol orau yn ddiwerth os bwydo data gwallus, ac fel peiriant prosesau, casglu data arolygu ei hun yn broses gyda'r terfynau ymarferol o gywirdeb, trachywiredd, penderfyniad a ailadrodd.

Gellir diffinio holl brosesau arolygu a/neu fesur o ran eu cywirdeb a'u ailadrodd, fel y mae proses weithgynhyrchu werthuso ar gyfer cywirdeb a repeatablity. Gellir cyflawni arbrofion a reolir, a gellir gwneud mesurau ystadegol o ganlyniadau i bennu perfformiad dull o arolygu mewn perthynas â rhannau yn cael eu harolygu. Gellir barnu addasrwydd y dull un neu arall ar sail gwyriad safonol a lefelau hyder sy'n berthnasol i bob dull fel y defnyddir mewn sefyllfa arolygu penodol.     (y pen)

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