introduction to ergonomics
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Introduction to Ergonomics. ENM426 Mümtaz S. ERDEM 2004. Industrial Engineering. - PowerPoint PPT PresentationTRANSCRIPT
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Introduction to ErgonomicsIntroduction to Ergonomics
ENM426Mümtaz S. ERDEM 2004
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Industrial EngineeringIndustrial EngineeringIndustrial Engineering is concerned with the design, improvement, and installation of integrated systems of PEOPLE, materials, information, equipment and energy. It draws upon specialized knowledge and skill in the mathematical, physical, and social sciences together with the principles and methods of engineering analysis and design to specify, predict, and evaluate the results to be obtained from such systems.
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ErgonomicsErgonomics
Ergonomics is a multidisciplinary activity that assembles information on people’s capacities and applies that information in designing jobs, products, workplaces, and equipment.
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ErgonomicsErgonomics“Ergo” ~ Greek word meaning
“work”“Nomos” ~ . . . “laws”
Introduced into literature in the 1840’s by Polish educator and scientist Jastrzebowski Wojciech.
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Philosophy of ErgonomicsPhilosophy of Ergonomics
“Fit The Task To The Person”
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Ergonomics ActivitiesErgonomics ActivitiesWorker / Workplace
AccommodationPhysiological Stress PreventionEnvironmental Stress PreventionEquipment designError Minimization
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Factors Influencing Factors Influencing ErgonomicsErgonomicsOccupational Safety & Health
LegislationEqual Employment OpportunityProduct Liability LitigationQuality of Life ExpectationsResponsible & Concerned
Management
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Current Emphasis in Current Emphasis in ErgonomicsErgonomicsWorkplace DesignMusculoskeletal Cumulative
Trauma Disorders (CTD) Prevention
Manual Materials Handling (MMH)Noise ControlLegislation & Regulations
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Citing Ergonomics Citing Ergonomics ViolationsViolationsGeneral Duty Clause: Each
employer has the “general duty” to furnish each of his employees employment and places of employment which are free from recognized hazards that are likely to cause death or serious physical harm.
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Types of ErgonomicsTypes of Ergonomics Physical- Concerned with physical
interfaces including workplace and tool design
Informational-Concerned with information interfaces and transfer
Organizational-Concerned with the design of organizations, jobs and activities (aka as “macroergonomics” where large organizations or entities are concerned
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How do you How do you applyapply Ergonomics?Ergonomics?Primarily, by changes in the design of
workplace or work area.Education & TrainingProactively: Ensure that any new
equipment, tool, or products brought into the workplace are designed with adjustability in mind.
Same thought for product design changes, workstation modification, and methods.
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Examples of Ergonomic Examples of Ergonomic DesignsDesignsAngled soldering ironBent-handle pliersPaint brush with pistol-grip handleMeat-cutting knife with pistol-grip
handleAdjustable chairAdjustable computer workstationWriting instruments
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Examples of Ergonomic Examples of Ergonomic DesignsDesignsAssembly line that flips automobile
onto its sideMoon-cut workstationAutomobile control panelAdjustable-height conveyor beltAdjustable computer keyboardMany, many others!
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Secret of ErgonomicsSecret of Ergonomics
“Adjustability”
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Primary Techniques of Primary Techniques of ErgonomicsErgonomicsMethods Analysis / DesignWorkplace DesignEquipment DesignTool DesignOperator AssignmentsNote: Basic understanding of industrial
engineering, biomechanics, psychology, and physiology, underlying these techniques.
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Current Focus in Current Focus in Occupational Ergonomics Occupational Ergonomics Musculoskeletal CTDs
- Of lower back- Of upper extremities such as* Neck* Shoulders* Arms* Hands
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Benefits of ErgonomicsBenefits of ErgonomicsImproved safety and healthIncreased productivityIncreased operator acceptanceImproved attitude toward changeLower worker’s compensation
premiums
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What’s Stopping What’s Stopping Ergonomics?Ergonomics?Negative attitudes“Ownership” conflictsOmission from engineers’ training“Quick-fix” focusCosts too much!!!
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Biggest Problem of All --- !Biggest Problem of All --- !
Designing for the
“Average Person”--- Whoever they may be !!!
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Ownership ConflictsOwnership ConflictsSafety Vs.. Human ResourcesHuman Resources Vs.. MedicalMedical Vs.. SafetyEngineering Vs.. All of the Above
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Training of EngineersTraining of EngineersEngineers are not taught
ergonomics at universitiesFixation is on “things,” not on
peopleOften times, engineers are assigned
ergonomics responsibilities, simply because they have a technical background
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Quick-Fix FocusQuick-Fix Focus
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Ergonomics Costs too Ergonomics Costs too Much!Much!
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Fixing Existing ProblemsFixing Existing Problems
Typical Return on Savings Associated with Ergonomic Improvements is $4 for every $1 Invested
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Eliminating Potential ProblemsEliminating Potential Problems
Addressing Ergonomic concerns in the design & acquisition stage can return as much as $10 of savings for every $1 invested
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SummarySummary Ergonomics isn’t new Fit task or work area to people Ergonomics is accomplished by design
changes Ergonomics is stopped by several factors Contributions come from many fields Quantifiable benefits associated with it Ergonomic projects pay for themselves
rapidly
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Questions & CommentsQuestions & Comments
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HUMAN FACTORS HUMAN FACTORS ENG.ERGONOMY ENM426ENG.ERGONOMY ENM426 2 DÖNEM ÖDEVİ(%15 ve % 10)= %25 İkişer kişilik gruplar ve uygulama yeri seçimi(son tarih:5 .10.2012 Bir iş ortamı (fab. Hast. Vbg.) ergonomik etüdü.(Fiziksel Risk
Etmenleri) Aynı işyerinde kullanılan bir makinanın gözlemlenen veya anket yoluyla işgörenden alınan bilgilerle tespit edilen Ergonomik eksikleri ve düzeltici önlem tasarım raporu. Tarih 25.12.2012
2002 ve üzeri yılı baz alınarak taranacak 10 ve üstü makaleden seçilecek en iyi örneğin anlatıldığı bir uygulama.
Onay alındıktan sonra yorumlanacak… (anladığınız şekilde yorumlanacak) Tarih 13 .11.2012
1 Ara sınav: % 30 Laboratuar:% 5 Dönem sonu Sınavı; % 40