Production service systems & Smart maintenance

Question 1

What are the technologies enabling industrial digitalization?

Answer 1

-Big Data & Artificial
Intelligence
-Connectivity & 5G
-Additive Manufacturing
-Collaborative Automation

Question 2

What are the biggest challenges for Smart maintenance?

Answer 2

❑ Automated and autonomous equipment must work!
❑ Even more technology to maintain
❑ Upgrading old machines
❑ Lack of systems perspective
❑ Preventive instead of reactive
❑ Quantification of maintenance effects
❑ Need for collaboration or integration
❑ Need for common goals
❑ Necessity for digitalized manufacturing

Question 3

What is the definition off maintenance?

Answer 3

“A combination of all technical, administrative and
managerial actions during the life-cycle of an item, and
intended to remain it in, or restore it to a state in which
it can perform the required function.”

Question 4

What are the different maintenance activities?

Answer 4

Question 5

What are the different maintenance generations?

Answer 5

Maintenance 1.0 (before 1950)
▪ Reactive actions

Maintenance 2.0 (1950 – 1975)
▪ Preventive maintenance
▪ Maintenance department created

Maintenance 3.0 (1975 – 2000)
▪ Academic interest
▪ Prevent effects of failures
▪ Condition-based maintenance
▪ Design for maintainability
▪ Collaboration, e.g. TPM

Maintenance 4.0 (20??)
▪ Design for eliminating failures
▪ Even more extensive collaboration, e.g. Asset Management
▪ Holistic view
▪ IT solutions
▪ Smart Maintenance

Question 6

What is OEE? What is the formula?

Answer 6

OEE – OVERALL EQUIPMENT EFFECTIVENESS

Question 7

What are the 4 key åarts of smart maintenance?

Answer 7

1. Data-driven decisions
2. Human capital resource
3. Internal integration
4. External integration

Question 8

What is needed for Data-driven decisions?

Answer 8

• Data collection
• Data quality
• Data analysis
• Augmenting human decision-making
• Automated decision-making

Question 9

What is needed for Human capital resources?

Answer 9

• Adaptability
• Analysis competence
• Business competence
• Social skills
• IT competence
• Domain expertise

Question 10

What is needed for Internal integration?

Answer 10

• Cross-functional collaboration
• Internal flow of data, information, and knowledge
• Joint decision-making

Question 11

What is needed for External integration?

Answer 11

• External flow of data, information, and knowledge
• External flow of products and services
• Strategic partnerships with vendors
• Collaboration networks including different business

Question 12

What are the effects of Smart maintenance and what are the influencing factors?

Answer 12

Maintenance Performance =>
Production Environment Safety =>
Economy Competition

Effects Influencing factors: education & training, corporate culture, leadership, cyber security, and etcetera

Question 13

What influences maintenance
performance?

Answer 13

1. Technical Availability
2. Mean Time Between Failure
3. Mean Time to Repair
4. Mean Waiting Time
5. Un planned stops
6. The number of unplanned maintenance tasks
7. Correctly executed both corrective and preventive maintenance
8. Maintenance work that caused downtime

Question 14

What are the different LEVELS OF DATA ANALYSIS in the context of maintenance?

Answer 14

Descriptive: Description of what has already happened, What happened?

Diagnostics: Exploration of meaningful information, why did it happen?

Predictive: Prediction of future outcomes based on historical data, What will happen?

Prescriptive: Recommendations on predictive model output, What should I do?