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8.Quality:star:, Six Sigma, Product Attributes, Quality Assurance, Quality…
8.Quality
:star:
:pencil2:
Planning
Plan quality management
How?
COQ
(cost of quality)
Cost benifits analysis
Test and inspection planning
Etablish
quality metrics
and how to
measure the quality
Output
Quality management plan
Quality objective
Quality standards
Quality role and respinsibilities
Project deliverables
...
Quality metric
Input
Project charter
Pj management plan
Stack holder engagement plan
Requirement management plan
Scope baseline
WBS
Risk management plan
Pj document
:explode:
Executing
Manage Quality
Tool & Tech
Quality Checklists
Quality Audits
Quality improvement methods
Plan- Do- Check- Act and Six Sigma
Process analysis
non-add-value activities
continuous improvement
Design For X (DfX)
Document analysis
Problem solving
Decision making
Root cause analysis (RCA).
Alternatives analysis.
Output
Quality reports
Test and evaluation documents
Change requests
Project management plan updates
Scope baseline.
Schedule baseline.
Cost baseline.
Quality management plan.
Project documents updates
Issue log.
Lessons learned register.
Risk register.
Input
Project management plan
Quality management plan
Project documents
Quality control measurements.
Quality metrics.
Risk report.
Lessons learned register.
OPA
:check:
Monitoring
Control Quality
“Control quality = Measure”
Tool & Tech
Control Chart
Mean
represent the average of control limits or specification limits
Specification limit
drawn from contract or customer requirement.
It may be stringent than control limits
Out of control
A data point falls out of control limits
Breaks the rule of seven
Rule of seven
7 điểm liên tiếp nằm dưới mean line
Assignable cause / Special Cause Variation
tương tự out of control
Inspection
Testing/product evaluations
Statistical Sampling
lấy mẫu
Attribute sampling
dùng để nghiên cứu đặc điểm
Yes/No
Variables sampling
dùng để dự đoán giá trị của một biến nhất định
"How much" or "how bad" or "how good"
Statistical Independence
thống kê độc lập
Mutually exclusive events
sự kiện loại trừ lẫn nhau - flip a coin(lật đồng xu)
Standard deviation
độ lệch chuẩn (max-min)/6
Quality Checklists
Checksheet
Histogram
(time - freequency)
Pareto Chart (80/20 Principles)
“80 percent of the problems you’ll encounter in your project are caused by 20 percent of the root causes you can find.”
Root cause analysis
Cause and Effect diagram
Scatter Diagram
Questionnaires and Surveys
Output
Quality control measurements
Verified Deliverables
Work Performance Information
Change Requests
Project management plan updates
Project Document Updates
input
Project management plan
Project documents
Approved change requests
4. Deliverables
Work performance data
EEF
OPA
Six Sigma
– 1σ = 68.25%
– 2σ = 95.46%
– 3σ = 99.73%
– 6σ = 99.99966%
Product Attributes
Tangible Attributes
thuộc tính hữu hình
as size, color, weight, volume, smell, taste, touch, quantity, or material composition.
Intangible Attributes
thuộc tính vô hình
as price, reliability, beauty or aesthetics ...
Quality Assurance
QA deal with the process (làm việc với quy trình)
QA is for entire life cycle (toàn bộ vòng đời)
QA is preventive process (quá trình phòng ngừa)
QA make sure we are doing right things, the right way
QA focuses on building in quality and hence preventing the defects (xây dựng chất lượng và ngăn ngừa khuyết tật)
Quality Control
QC deals with the products
QC is for testing part
QC is corrective process (quá trình khắc phục)
QC make sure the results of what we’ve done as expected
QC focuses on testing of quality and hence detecting defects
(kiểm tra chất lượng và phát hiện khiếm khuyết)
What?
characteristics fulfill requirements
Accuracy
tính chính xác
Precision
tính nhất quán
Just-In-Time (JIT)
inventory down to Zero
đưa hàng tồn kho về 0
Control Quality - verified Deliverables
=> Validate Scope - Accepted Deliverables
