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Jiliang Zhang Reliability, Tesla Motors January 5, 2015 Tesla Reliability Challenges and Opportunities Tesla Reliability 1.

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Presentation on theme: "Jiliang Zhang Reliability, Tesla Motors January 5, 2015 Tesla Reliability Challenges and Opportunities Tesla Reliability 1."— Presentation transcript:

1 Jiliang Zhang Reliability, Tesla Motors January 5, 2015 Tesla Reliability Challenges and Opportunities Tesla Reliability 1

2 Fast Forwarding! Video https://www.youtube.com/watch?feature=player_detailpage&v= LpaLgF1uLB8&x-yt-cl= &x-yt-ts= Tesla Reliability 2

3 Our Mission Automotive technology company Technology potential to change the world Accelerate the world’s transition to electric vehicles Tesla Reliability 3

4 Tesla Reliability Program What do we want? One of the best and innovative reliability program in the world in 2 years! Make Reliability program works for business! Fast Forwarding! Tesla Reliability 4

5 5

6 Challenge 1 – High Reliability Requirement 6 Who gets there first? Or who is the last one standing? People’s life on the line Customer satisfaction Competition Lawsuit/Litigation (Lemon Law) Car Ranking See who is there This or that? Tesla Reliability

7 Challenge 2 – Short Product Development Cycle No sufficient testing time No sufficient upfront reliability study Difficult for reliability growth Tesla Reliability 7

8 Challenge 3 – Technology Lover! Lower technology maturity More risk taker More electronics and software Grandpa Loves It! Tesla Reliability 8

9 Challenge 4 – Less Experienced We don’t know what to do – Really? We need talent! Tesla Reliability 9

10 Advantage 1 – We Are Automotive! Management support! Employees who cares about customers Automotive reliability standard and practice Tesla Reliability 10

11 Advantage 2 – No Boundary Creativity Easy adaption of the best practice Less “Why change?” Tesla Reliability 11

12 Advantage 3 – Best People and Team We are group of young, easy-going, fun-loving, and hard working people Tesla Reliability 12

13 Advantage 4 – Management Leadership Tesla Reliability 13

14 Advantage 5 – Unique Business Model Direct sale Tesla own service centers Direct Data and Interactions with Customers Tesla Reliability 14

15 Advantage 6 – You Got to Fix It! Much more accurate data! More information on symptom, description, diagnosis, corrective action, part replaced, “root cause”, etc. Tesla Reliability 15

16 Advantage 7 – Big Data Big data that can be retrieved remotely Product environment, usage, and vehicle conditioning Tesla Reliability 16

17 Advantage 8 – Data/Statistics Driven DATA = Do Act Till A (hit, damage, injury, etc.) Tesla Reliability 17

18 Advantage 8 – Data/Statistical Driven (Cont’d) 8 Advantages Tesla Reliability 18 >>4 Challenges

19 Tesla Unique Reliability Program Design-for- Reliability Field Data Driven Life Cycle Management Supplier Reliability Reliability Program Tesla Reliability 19 2-year time to deliver ~80% traditionally 5-year reliability work Team Culture Right Reliability Cost effective Fun

20 Reliability Goal Setting and Allocation Tesla Reliability 20 New Vehicle Repair Rate Goal Subsystem Repair Rate Goal Key Part Repair Rate Goal Individual Test Reliability Goal Reference Vehicle Field Data Allocation Algorithm Convert to Subsystem Reliability Convert to Key Part Reliability System Repair Rate Goal Conversion Algorithm Reliability Breakdown Structure Reference Vehicle Repair Rate

21 Prior Knowledge Based Reliability Test Design Tesla Reliability 21

22 Usage Based Reliability Test Design Tesla Reliability 22 Usage Use Mode Stress Acceleration Equation Required Reliability & Confidence Test ResultTest Design Reliability Analysis & Risk Assessment against Goal Distributional

23 Field Reliability Analysis Tesla Reliability 23 Reliability Database Automatic Report, Ranking, and Early Warning Corrective Actions (Service & Engineering) ReviewFA Engineering Deep Dive MRB Data Analysis (not limited to Weibull analysis) Service Center Repair Vehicle Embedded Data Proactive Maintenance Damage Calculation & Prediction

24 Future Directions Failure mode based test versus customer usage based test Accelerated test versus HALT New test types Supplier reliability program and management Further field data leverage into product development Other Tesla Reliability 24

25 Q&A Tesla Reliability 25


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