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QUALITY MANAGEMENT
JENNIFER VU HUONG
(huongvuvu.hut@gmail.com)
Continuous improvement
2
1 Introduction
3
Methodology - DMAIC
CONTENTS
Conclusion4
Results
2
1 Introduction
3
Methodology - DMAIC
CONTENTS
Conclusion4
Results
Introduction – Company profile
The mission of the company is to ensure the best quality of software of
phones to launch to the market in the shortest time without any issues
Introduction – Project overview
Period of
project
• Within 6 months (Jan 2013 ~ June 2013)
Introduction – Project overview
 Recognize an opportunity in the project “Reduce the number of
software issues happened in the market”
Introduction – Data collection
Figure 1: The sales from June 2011 to June 2012
The sales decreased from 500M$ in June 2011 to 405M$ in June 2012
Introduction – Data collection
The number of complaints increased from 115 in June 2011 to 169 in
June 2012
Figure 2: The number of complaints from June 2011 to June 2012
Introduction – Data collection
Figure 3: Complaint Type in 2011
The majority of complaints was related to software issues (55%)
Introduction – Data collection
Figure 4: Complaint Type in 2012
The majority of complaints was related to software issues (59%)
2
1 Introduction
3
Methodology - DMAIC
CONTENTS
Conclusion4
Results
Methodology - DMAIC
Define - Define problem/opportunity
Define - Project charter
Define - Project charter
Milestone Date
Define January 27, 2013
Measure February 29, 2013
Analyze March 21, 2013
Improve April 27, 2013
Control June 5, 2013
Measure - Understand Process
Measure - Tree diagram
Investigate the factors that impact the issue ‘ Lock up’ of phones
Lock up issues happened when using multitasks
Number of lock up issues per 1000 scenarios: 20
After benchmark : 5
X Using 3 functions:
Call, Internet, Maps
Using 4 functions: Call,
Camera, Internet, Maps
Using 3 functions:
Camera,
Internet, Maps
Baseline 5 11 4
Benchmark 2 1 2
Gap 3 10 2
Software
issues/year
38 issues/year
(Reduce 60%)
10 issues/year
(Reduce 90%)
47 issues/year
(Reduce 50%)
Phone
issues/year
104 issues/year
(Reduce 35%)
80 issues/year
(Reduce 50%)
113 issues/year
(Reduce 29%)
We should focus on testing phones with different scenarios using 4 functions:
Call, Camera, Internet, Maps
Measure - Tree diagram
Measure - Process mapping - Cross-Functional Flowchart
ManagerPreparationTestingandmanagingissues
Analyze - Identify Causes
Analyze - Fishbone
Analyze - Cause and Effect Matrix
Cause and Effect MatrixCause and Effect Matrix
Analyze - Cause and Effect Matrix
Should focus on solutions which can solve the main causesShould focus on solutions which can solve the main causes
Main causes
Improve - Identify and implement solutions
Improve – Brainstorming solutions
Improve – Effort-impact matrix
Rank 4 Solutions Low Effort
High Impact
High Effort
High Impact
Low Effort
Low Impact
High Effort
Low Impact
Effort
Impact
Solution 4 was chosen because of its competitive advantages:
low effort and high impact
Improve - Action Plan
Action Plan
Item Action Responsible Due date Status
1 General training VU THI HUONG May 1, 2013 ~ May 4,
2013
Completed
2 Training for each item VU THI HUONG
TUYET MAI
May 5, 2013 ~ May 10,
2013
Completed
3 Assign one senior with one junior
staff
VU LAN May 11, 2013 Completed
4 Kickoff meeting VU LAN
VU THI HUONG
May 13, 2013 Completed
5 Prepare test case VU THI HUONG
TUYET MAI
May 14, 2013 ~ May 17,
2013
Completed
6 Execute test case TEAM MEMBERS May 18, 2013 ~ May 21,
2013
Completed
7 Execute exploratory test TEAM MEMBERS May 22, 2013 ~ June 1,
2013
Completed
8 Weekly meeting VU THI HUONG
TEAM MEMBERS
Every week in May, 2013 Completed
9 Final meeting VU THI HUONG
TEAM MEMBERS
June 2, 2013 Completed
Improve – 5S
 Sort:
– One person only keep:
 10 ongoing test phones
 2 base phones
 2 competitor phones
 5 Simcard of 5 operators
– Return to stores all other phones after finishing any projects
 Straighten:
– Keep phones in personal tray
– Put them into personnel Cabinet when going home
– Keep Simcard in the box
– Fix all chargers with the wall
 Shine:
– Clean workplace before going home
– Lock the cabinet
– Turn off computers/laptops
 Standardize:
– Email reminders every week to keep clean workplace
– Assign one person every day to check all cabinets and laptops before going home
– Email reminders, inform Managers in the case someone does not following the rules
 Sustain:
– Print out the rules and place in front of the table to remind before going home
Control - Sustain Solutions
Control - Control Plan
Control Plan for the project 'Reduce the number of software issues'
Team: Model team Key contact: VU THI HUONG
Date (Orig):
15 June,
2013
Rev. No:
Date (Rev):
25 June.
2013
Specifications /
tolerances
Capability Study Control Method
Process
Step
X's Y's LowerTarget Upper Z Date Size
How it's
measured
%P/T Description Responsable Frequency Reaction Plan
Re-test with
1st selling
and local
country
with final
software
Lock up,
Reset, Power
on/off, No
service, Blue
screen issues
Software
issues
1 0% 1%
100
test
cases
15
June,
2013
10
sample
s
Count
number of
issues
NA
One person
will take care
of 2 samples
and run the
same
scenarios
with both
samples
If phones work
normally
without
abnormal
behaviors then
the test cases
PASS
At least 2
times
executing
one
scenario
for one
sample
Re-test if issues are found, then
inform Managers if the issues are
critical, otherwise register the
issues to Maintaining system
Exploratory
test
Lock up,
Reset, Power
on/off, No
service, Blue
screen issues
Software
issues
1 0% 1%
1000
test
cases
16
June,
2013
20
sample
s
Count
number of
issues
NA
One person
will take
care of 2
samples
and run
the same
scenarios
with both
samples
If phones work
normally
without
abnormal
behaviors then
the test cases
PASS
At least 2
times
executing
one
scenario
for one
sample
Re-test if issues are found, then
inform Managers if the issues are
critical, otherwise register the
issues to Maintaining system
2
1 Introduction
3
Methodology - DMAIC
CONTENTS
Conclusion4
Results
Results – data collection
Figure 5: The average number of software issues and phone issues
in 2011, 2012, 2013
Data was collected in July to Nov, 2013 after launching the phones that were
tested in the continuous improvement project
Data was collected in July to Nov, 2013 after launching the phones that were
tested in the continuous improvement project
Results – data collection
Figure 6: The sales in 2012 (Mar, Apr, May) and
in 2012 (July, Aug, Sep, Oct)
The sales increased from 405M$ in March 2012 to 990M$ in Oct 2013
Results – data collection
Figure 7: The number of complaints
in 2012 (Mar, Apr, May) and in 2012 (July, Aug, Sep, Oct)
The number of complaints decreased from about 160 in 2012 to
around 70 in 2013
Results – Financial benefits
Reduce
risk
Reduce
time
Reduce
cost
Sales
increased
from
405M$
(2012) to
990M$
(2013)
Phone
issues
reduced
from 160
to 70
Software
issues
reduced
from 94
to 14
Results - Safety Performance Scoring
Improved safety
performance score = 12%
Safety Performance Scoring System
Year 2012 2013
Active Leadership 18% 20%
Performance Expectations 30% 30%
Training & Application of Skill 17% 20%
Program Improvement 18% 20%
Lagging Indicators 5% 10%
Total 88% 100%
Results – Customer satisfaction
Number of
complaints
reduced
Number of
customers going to
warranty center
reduced
Possitive
respond from
customers
2
1 Introduction
3
Methodology - DMAIC
CONTENTS
Conclusion4
Results
Conclusion
[Jennifer vu huong]continuous improvement

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[Jennifer vu huong]continuous improvement

  • 1. Logo QUALITY MANAGEMENT JENNIFER VU HUONG (huongvuvu.hut@gmail.com) Continuous improvement
  • 2. 2 1 Introduction 3 Methodology - DMAIC CONTENTS Conclusion4 Results
  • 3. 2 1 Introduction 3 Methodology - DMAIC CONTENTS Conclusion4 Results
  • 4. Introduction – Company profile The mission of the company is to ensure the best quality of software of phones to launch to the market in the shortest time without any issues
  • 5. Introduction – Project overview Period of project • Within 6 months (Jan 2013 ~ June 2013)
  • 6. Introduction – Project overview  Recognize an opportunity in the project “Reduce the number of software issues happened in the market”
  • 7. Introduction – Data collection Figure 1: The sales from June 2011 to June 2012 The sales decreased from 500M$ in June 2011 to 405M$ in June 2012
  • 8. Introduction – Data collection The number of complaints increased from 115 in June 2011 to 169 in June 2012 Figure 2: The number of complaints from June 2011 to June 2012
  • 9. Introduction – Data collection Figure 3: Complaint Type in 2011 The majority of complaints was related to software issues (55%)
  • 10. Introduction – Data collection Figure 4: Complaint Type in 2012 The majority of complaints was related to software issues (59%)
  • 11. 2 1 Introduction 3 Methodology - DMAIC CONTENTS Conclusion4 Results
  • 13. Define - Define problem/opportunity
  • 14. Define - Project charter
  • 15. Define - Project charter Milestone Date Define January 27, 2013 Measure February 29, 2013 Analyze March 21, 2013 Improve April 27, 2013 Control June 5, 2013
  • 17. Measure - Tree diagram
  • 18. Investigate the factors that impact the issue ‘ Lock up’ of phones Lock up issues happened when using multitasks Number of lock up issues per 1000 scenarios: 20 After benchmark : 5 X Using 3 functions: Call, Internet, Maps Using 4 functions: Call, Camera, Internet, Maps Using 3 functions: Camera, Internet, Maps Baseline 5 11 4 Benchmark 2 1 2 Gap 3 10 2 Software issues/year 38 issues/year (Reduce 60%) 10 issues/year (Reduce 90%) 47 issues/year (Reduce 50%) Phone issues/year 104 issues/year (Reduce 35%) 80 issues/year (Reduce 50%) 113 issues/year (Reduce 29%) We should focus on testing phones with different scenarios using 4 functions: Call, Camera, Internet, Maps Measure - Tree diagram
  • 19. Measure - Process mapping - Cross-Functional Flowchart ManagerPreparationTestingandmanagingissues
  • 22. Analyze - Cause and Effect Matrix Cause and Effect MatrixCause and Effect Matrix
  • 23. Analyze - Cause and Effect Matrix Should focus on solutions which can solve the main causesShould focus on solutions which can solve the main causes Main causes
  • 24. Improve - Identify and implement solutions
  • 26. Improve – Effort-impact matrix Rank 4 Solutions Low Effort High Impact High Effort High Impact Low Effort Low Impact High Effort Low Impact Effort Impact Solution 4 was chosen because of its competitive advantages: low effort and high impact
  • 27. Improve - Action Plan Action Plan Item Action Responsible Due date Status 1 General training VU THI HUONG May 1, 2013 ~ May 4, 2013 Completed 2 Training for each item VU THI HUONG TUYET MAI May 5, 2013 ~ May 10, 2013 Completed 3 Assign one senior with one junior staff VU LAN May 11, 2013 Completed 4 Kickoff meeting VU LAN VU THI HUONG May 13, 2013 Completed 5 Prepare test case VU THI HUONG TUYET MAI May 14, 2013 ~ May 17, 2013 Completed 6 Execute test case TEAM MEMBERS May 18, 2013 ~ May 21, 2013 Completed 7 Execute exploratory test TEAM MEMBERS May 22, 2013 ~ June 1, 2013 Completed 8 Weekly meeting VU THI HUONG TEAM MEMBERS Every week in May, 2013 Completed 9 Final meeting VU THI HUONG TEAM MEMBERS June 2, 2013 Completed
  • 28. Improve – 5S  Sort: – One person only keep:  10 ongoing test phones  2 base phones  2 competitor phones  5 Simcard of 5 operators – Return to stores all other phones after finishing any projects  Straighten: – Keep phones in personal tray – Put them into personnel Cabinet when going home – Keep Simcard in the box – Fix all chargers with the wall  Shine: – Clean workplace before going home – Lock the cabinet – Turn off computers/laptops  Standardize: – Email reminders every week to keep clean workplace – Assign one person every day to check all cabinets and laptops before going home – Email reminders, inform Managers in the case someone does not following the rules  Sustain: – Print out the rules and place in front of the table to remind before going home
  • 29. Control - Sustain Solutions
  • 30. Control - Control Plan Control Plan for the project 'Reduce the number of software issues' Team: Model team Key contact: VU THI HUONG Date (Orig): 15 June, 2013 Rev. No: Date (Rev): 25 June. 2013 Specifications / tolerances Capability Study Control Method Process Step X's Y's LowerTarget Upper Z Date Size How it's measured %P/T Description Responsable Frequency Reaction Plan Re-test with 1st selling and local country with final software Lock up, Reset, Power on/off, No service, Blue screen issues Software issues 1 0% 1% 100 test cases 15 June, 2013 10 sample s Count number of issues NA One person will take care of 2 samples and run the same scenarios with both samples If phones work normally without abnormal behaviors then the test cases PASS At least 2 times executing one scenario for one sample Re-test if issues are found, then inform Managers if the issues are critical, otherwise register the issues to Maintaining system Exploratory test Lock up, Reset, Power on/off, No service, Blue screen issues Software issues 1 0% 1% 1000 test cases 16 June, 2013 20 sample s Count number of issues NA One person will take care of 2 samples and run the same scenarios with both samples If phones work normally without abnormal behaviors then the test cases PASS At least 2 times executing one scenario for one sample Re-test if issues are found, then inform Managers if the issues are critical, otherwise register the issues to Maintaining system
  • 31. 2 1 Introduction 3 Methodology - DMAIC CONTENTS Conclusion4 Results
  • 32. Results – data collection Figure 5: The average number of software issues and phone issues in 2011, 2012, 2013 Data was collected in July to Nov, 2013 after launching the phones that were tested in the continuous improvement project Data was collected in July to Nov, 2013 after launching the phones that were tested in the continuous improvement project
  • 33. Results – data collection Figure 6: The sales in 2012 (Mar, Apr, May) and in 2012 (July, Aug, Sep, Oct) The sales increased from 405M$ in March 2012 to 990M$ in Oct 2013
  • 34. Results – data collection Figure 7: The number of complaints in 2012 (Mar, Apr, May) and in 2012 (July, Aug, Sep, Oct) The number of complaints decreased from about 160 in 2012 to around 70 in 2013
  • 35. Results – Financial benefits Reduce risk Reduce time Reduce cost Sales increased from 405M$ (2012) to 990M$ (2013) Phone issues reduced from 160 to 70 Software issues reduced from 94 to 14
  • 36. Results - Safety Performance Scoring Improved safety performance score = 12% Safety Performance Scoring System Year 2012 2013 Active Leadership 18% 20% Performance Expectations 30% 30% Training & Application of Skill 17% 20% Program Improvement 18% 20% Lagging Indicators 5% 10% Total 88% 100%
  • 37. Results – Customer satisfaction Number of complaints reduced Number of customers going to warranty center reduced Possitive respond from customers
  • 38. 2 1 Introduction 3 Methodology - DMAIC CONTENTS Conclusion4 Results