Quality Information Systems Ppt 1231
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Transcript of Quality Information Systems Ppt 1231
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Quality Information Systems
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STEPS TO HAVE A QUALTIY SYSTEM
Quality Information Systems
Quality Planning
Quality Control
Quality Assurance
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QUALITY INFORMATION SYSTEMS
Quality Information Systems consists of providing quality information during the life cycle of a project/product to all of the people involved such as the employees using the system and the customers involved.
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Quality Information Systems Cont…
Quality Information Systems should allow for people who work on the project/product to be able to gain a quick knowledge about itInformation should be able to be relayed quickly and accurately to customersShould help to improve the quality in all other areas of the project/product
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Involved in Quality Information Systems
Defining the necessary objectives of the system, for example through Quality PlanningUsers of the system need to be trained properly and have a good understanding of how the system worksIntegration of higher level systems Validation of the system, for example through Quality ControlOngoing support and maintenance, for example through Quality Assurance
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Quality Planning
Quality Planning is setting the objectives for a product/process and then planning the means in which to reach to those objectives
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Quality Control
Quality Control should be involved within the users daily work.
Must be done efficiently and accurately
Also through validation
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Quality Assurance
Quality Assurance gives the confidence that a project/product conforms to a certain level of quality, and continues to have quality improvement.
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Effective Quality Assurance
Quality Audits
A constant flow of information about the product/project
Having an effective process
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Critical Success Factors
-Emphasize the prevention of quality problems, rather than concentrate only on detection and correction of these problems
-Facilitate awareness of and learning by the user of the quality system with respect to product and process quality
-Focus on continuous quality improvement, rather than on attaining a fixed level of quality
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Critical Success Factors(continued)
Make quality measurable
Operate efficiently in order to prevent distortion of daily work
(integrate information system into users’ primary process)
Give guidelines for the interaction between the supplier and purchaser of a good, both during the initial phases and during the development process
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Potential Problems In Setting Up A Quality
SystemISO 9000 and ISO900-3Identifying and Correcting of ProblemsQuality Improvement and LearningMeasuring QualityOverhead is LargeLack of SupportGuidelines for Interaction
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ISO 9000 and IS0 9000-3
ISO 9000 – Standards meant to cover entire range of organizations
ISO 9000-3 – Standards meant for companies producing software
Causes standards to be very generalized
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Identifying and Correcting of Problems
Preventative Measures
High Failure Costs
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Quality Improvement and Learning
Guidelines focus on attaining level of quality defined by users of the Quality System
3 Negative ConsequencesDefined level may be lowNo Preventative ActionNo Continuous Improvement
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Measuring Quality
Software is still active area of research
Difficult to implement in practice
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Overhead is Large
Every process, action, problem, correction, etc. must be documented
Quality System cannot just be placed “on top” of the current way of working
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Lack of Support
ISO guidelines offer no tools to provide different rules and standards for different processes
Example: One uses different types of production organization, multiple development methodologies, and has different customers: There is no support
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Guidelines of Interaction
Guidelines for supplier and purchaser, but very little for interaction between the twoOne of main purposes should be closer cooperation between business partnersGood CommunicationGoal selectionSelecting acceptable level of risk
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Real time Production Tracking
Tracker- Serves as the command center for all production tracking activities
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Real time production tracking (cont)
Web Overview: The homepage of the test system
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Real time production tracking (cont)
Web Overview 2: Automatically cycles between two pages every 15 seconds
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Real time production tracking (cont)
Model Editor: The web model editor allows you to change limits, program the test sequence, or customize the operator prompts from your web browser.
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Real time production tracking (cont)
Top Reject Report: The rejects for a shift are categorized, counted, sorted and displayed in a table or chart.
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Case Study:United Parcel Service
Worlds largest package distribution company
335,000+ employees worldwide
Provide service to 200+ countries
$21 billion in revenue in 1995 on a volume of 3.1 billion packages and documents
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United Postal Service
Mobitex- similar to the digital cellular technology used in cell phonesDrivers equipped with DIAD’s (Delivery/Driver Information Acquisition Devices)DIAD scans bar-code which retrieves shipping #, service level, and package tracking #
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United Parcel Service
Driver records name of person accepting package
DVA (IAD Vehicle Adapter) connected to a radio modem transmitting data over Mobitex network
Sent real-time to UPS mainframe
Info is accessible by customers online
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Case Study:Western Digital CorporationManufacture of hard drives200+ components manufactured by outside suppliersManufactures 100,000+ hard drives/day in MalaysiaHQ in Irvine and San Jose, CA7,000+ employees$2 billion annual revenue
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Western Digital Corporation
QIS combined electronic commerce, customer relationship, management data warehousing, and integrated data from a dozen systems
Most valuable aspect of QIS is the systems ability to provide online analytical processing
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Western Digital Corporation
From web browsers WD can query the data warehouse and analyze results in minutes
Managers can focus efforts on analyzing the info to make critical business decisions to deliver enhanced customer service
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Western Digital Corporationbenefits with QIS
QIS has already provided a strong quantifiable return on investment
Ability to pinpoint individual defects before products are shipped to the customer
Trace back cause of failure
Provides closed loop feedback which allow the company to address quality issues to impact business performance