Abstract
Timing and frequency of reliability tests is essential in product design. Testing is modeled as an activity that generates information about technical errors and customer-need related problems that will need to be redesigned. Optimal testing strategies (number and timing of tests) need to balance the tradeoff between several variables, including the cost of a test, the increasing cost of redesign when discovered at a later stage, and the relationship between sequential tests. We propose an optimal sequential testing policy based on the condition that the net marginal value obtained from a test must be higher than the cost associated with it. The optimal strategy is obtained for a general form of accumulated errors and redesign functions. The relation between design errors and rework cost has an important role on determining the optimal testing policy. Linear relation has the most number of tests compared to concave or convex. In addition, earlier tests during the project are preferred for a concave relationship. In convex relation, however, late tests are recommended.
| Original language | English |
|---|---|
| Title of host publication | 2010 IEEE International Systems Conference Proceedings, SysCon 2010 |
| Pages | 490-494 |
| Number of pages | 5 |
| DOIs | |
| Publication status | Published - 2010 |
| Event | 4th International Systems Conference, SysCon 2010 - San Diego, CA, United States Duration: Apr 5 2010 → Apr 8 2010 |
Other
| Other | 4th International Systems Conference, SysCon 2010 |
|---|---|
| Country | United States |
| City | San Diego, CA |
| Period | 4/5/10 → 4/8/10 |
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Keywords
- Cost of redesign
- Cost of test
- Design testing
ASJC Scopus subject areas
- Hardware and Architecture
- Electrical and Electronic Engineering
Cite this
Sequential testing decisions in product development. / Kindi, Mahmood Al; Abbas, Ali.
2010 IEEE International Systems Conference Proceedings, SysCon 2010. 2010. p. 490-494 5482486.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
}
TY - GEN
T1 - Sequential testing decisions in product development
AU - Kindi, Mahmood Al
AU - Abbas, Ali
PY - 2010
Y1 - 2010
N2 - Timing and frequency of reliability tests is essential in product design. Testing is modeled as an activity that generates information about technical errors and customer-need related problems that will need to be redesigned. Optimal testing strategies (number and timing of tests) need to balance the tradeoff between several variables, including the cost of a test, the increasing cost of redesign when discovered at a later stage, and the relationship between sequential tests. We propose an optimal sequential testing policy based on the condition that the net marginal value obtained from a test must be higher than the cost associated with it. The optimal strategy is obtained for a general form of accumulated errors and redesign functions. The relation between design errors and rework cost has an important role on determining the optimal testing policy. Linear relation has the most number of tests compared to concave or convex. In addition, earlier tests during the project are preferred for a concave relationship. In convex relation, however, late tests are recommended.
AB - Timing and frequency of reliability tests is essential in product design. Testing is modeled as an activity that generates information about technical errors and customer-need related problems that will need to be redesigned. Optimal testing strategies (number and timing of tests) need to balance the tradeoff between several variables, including the cost of a test, the increasing cost of redesign when discovered at a later stage, and the relationship between sequential tests. We propose an optimal sequential testing policy based on the condition that the net marginal value obtained from a test must be higher than the cost associated with it. The optimal strategy is obtained for a general form of accumulated errors and redesign functions. The relation between design errors and rework cost has an important role on determining the optimal testing policy. Linear relation has the most number of tests compared to concave or convex. In addition, earlier tests during the project are preferred for a concave relationship. In convex relation, however, late tests are recommended.
KW - Cost of redesign
KW - Cost of test
KW - Design testing
UR - http://www.scopus.com/inward/record.url?scp=77954429455&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=77954429455&partnerID=8YFLogxK
U2 - 10.1109/SYSTEMS.2010.5482486
DO - 10.1109/SYSTEMS.2010.5482486
M3 - Conference contribution
AN - SCOPUS:77954429455
SN - 9781424458837
SP - 490
EP - 494
BT - 2010 IEEE International Systems Conference Proceedings, SysCon 2010
ER -