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INTRODUCTION TO QUALITY
Unit 1 – Chapter 1 INTRODUCTION TO QUALITY
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What is Quality??? (Is it a fact or perception)
Quality is fitness for use: product works exactly as expected Conformance to specifications: design with low cost, fast delivery, and good service Meet customer standards : customers likes or dislikes Meet customer needs Meet expected or unexpected needs as per future business plan
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Definitions of Quality
Customer Based Definition: Fitness for use Manufacturing Based: Conformance to specifications Product Based: Comparison with other similar product with less attributes Value Based: People don’t buy products, they buy benefits Transcendent Quality: perception that it is good with zero defects or minimum defects, meets expectation, reasonable price
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“I don’t know what it is, but if I’m delighted by acquiring it, I’ll buy it!”
This means because of some characteristics customers attract to buy the product even if the desired requirements are different.
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Core Components of Quality
Quality is based on customer satisfaction by acquiring a product: determining whether quality is achieved or not?? The organization must define Quality parameters before it can be achieved: The cycle of improvements through measurements: Define: customer must know what ‘Must be’, what ‘Should be’ and what ‘Could be’ present in the product. Measure: quantitative measurement to measure the gap between what is expected and what is delivered. Monitor: some mechanism used (testing models) to monitor the process used in development of product.
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d) Control: provides desired results and avoid undesired things going to customers. e) Improve: to overcome with possible competition, customer complaints 3. Management must lead the organization through improvement efforts: management should endeavor quality improvement by defining vision, mission, policies, objectives, strategies, goals and values 4. Continual Improvement is necessary: inspection, review, testing, sorting to inspect product and report the defects so it will be fixed
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Continuous Improvement Continual Improvement
Dynamic Change management Dynamic as well as Static change management Changes are done at every stage Changes are done before taking any steps Periodic Improvement Eliminate Waste Continuously Waste removed in stages High dependence on people having skills Less Dependencies Environment is changed continuously Changes in environment gets stabilized People are not able to digest continuous changes Easy to digest before next stage of changes is introduced
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Quality View(Stakeholders)
Stakeholders are the people or entities interested in success/ failure of a project. Customers: main stakeholder who pay for the product to satisfy his requirements. Supplier: External Suppliers supplying hardware, software, machines, Internal Suppliers supplying system administrator, training providers Employee: people working on project Management: project management, staff management, seniors, investors Society: who will be using product Government: local, state, central government can get benefit through project.
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Customer’s View of Quality
Delivering right product Satisfying Customer’s needs Meeting Customer Expectations Treating every customer with Integrity, Courtesy and Respect
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Supplier’s view of Quality
Doing the right things (Follow requirements) Doing it the right way (Follow correct process) Doing it right the first time(do it correct at first time) Doing it on time
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User’s Gap/Requirement Gap
It is the gap between requirement specifications for the product and user expectations. Closing User’s Gap: Customer Surveys Joint Application Development(JAD) (continues interaction together with users) User Involvement in Application Development
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Producer’s Gap/Development Gap
It is the gap between product actually delivered and the requirements and specifications developed for the product. Closing User’s Gap Process Definition: Do and Check Work Product Review
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Financial Aspects of Quality
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Cost of Manufacturing: cost required to develop right project with right method at right time.
Cost of Quality: it includes.. Cost of Prevention which defined guidelines, standards of development, testing. Termed as Green Money Cost of Appraisal which performs reviews and testing. Termed as Blue Money Cost of Failure which includes violation and defects. Termed as Red Money
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Definition of Quality with new perspective
Predictable degree of uniformity, dependability at low cost and suited to market Degree to which a set of inherent characteristics of the product/ service fulfills the requirements Ability of a product or service that bears upon its ability to satisfy implied or expressed need
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Total Quality Management(TQM)
TQM can be defined as a management technique for improving processes, products, services and the other approaches associated with the product. It focusses on the entire business and NOT just on a particular project or process.
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Quality Principles of TQM
Develop Constancy of purpose of definition and deployment of various initiatives. Adapting to the new philosophy of managing people/standard by building confidence and relationships. Declare freedom from mass inspection of incoming/product output. Stop awarding of lowest price tag contracts to suppliers
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Improve every process used for development and testing of product
Institutionalise training across the organization for all people. Institutionalize leadership throughout organization at each level. Drive out fear of failure from employees Break down barriers between functions/departments. Estimate exhortations by Numbers, Goals, Targets.
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Estimate arbitrary numerical targets which are not supported by processes
Permit pride of workmanship for employees Encourage education of new skills and techniques Top Management commitment and action to improve continually.
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Quality Management through Statistical process control
Quality Planning at all levels Quality planning at Organizational level: policy definition and strategic plans Quality planning at Unit level: follow the strategies Quality Control: examine the product at various levels Quality Improvement: improve quality at every stage
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Continual Improvement Cycle
Plan: Vision Mission for Project Do: Follow road map Check: compare actual outcome with expected Act: take decisions
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Quality in Different areas
Airlines Industry HealthCare Industry Food Service Industry Customer Products Industry Military Services Automotive Industry Communication Industry
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Benchmarking and Metrics
Benchmarking: to get quality product set measurable variables which can be used to asses product Metrics: defined for collecting information
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Types of Problem Solving Techniques
1. Qualitative Problem Solving: high, medium, low qualitative solution. It saves time, accurate data 2. Quantitative Problem Solving: “the cost has increased 32.5%”. It must follow Define, Measure, Monitor, Control and Improve.
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Advantages Accuracy Decision Support by least variation
No manual variation Tools can be used for assessing metrics No hard work to perform computations Accurate and fast result Can be integrated with other systems
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Disadvantages Needs training before they used
Tools can have some mistakes while building More time to learn and implement Decision has to be taken by human being not by tool.
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Tools and Techniques Tools Techniques
Usage of Tool guided by technique Technique is independent of any tool Different techniques may use same tool Same techniques may use different tools Tool Improvement needs technological change Technique change can be effected through procedural change Contribution of tools in improvement is limited Contribution of techniques in improvement is important
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