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- 1. Unit 5 -ERGONOMICS: Introduction, areas of study under ergonomics, system approach to ergonomics model, man- machine system. Components of man-machine system and their functions work capabilities of industrial worker, study of development of stress in human body and their consequences. Computer based ergonomics.
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- 3. Common Definitions: “Ergonomics isessentially fitting the workplace to the worker. The better the fit, the higher the level of safety and worker efficiency.” Fitting the Task to the Human ~ Grandjean 1990 “ Ergonomics removes barriers to quality, productivity and human performance by fitting products, tasks, and environments to people.” ErgoWeb.com
- 4. Areas of studyunder ergonomics
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- 6. Components of Ergonomics Ergonomics IE WorkMethods Plant Layout Work Flow Psychology Anthropometry Biomechanics Physiology Methods Analysis Techniques Workplace Design Techniques Machine and Equipment Design Tool Design Techniques Operator Assignments and Job Design
- 7. System approach toergonomics model
- 8. Systems Approach Ergonomics usesa holistic systemic approach to apply theory, principles and data from many relevant disciplines, ◦ To design and evaluate tasks, jobs, products, environment and systems
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- 12. Man-Machine Closed LoopSystem
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- 15. The Human machineSystems consists of three main systems
- 16. The machine componentsof the Ergosystem
- 17. The Human machineSystems consists of three main systems
- 18. work capabilities ofindustrial worker
- 19. Efficiency of ManMachine System is affected by the following
- 20. Work Capabilities ofWorker Functions of Man as a Productive Element Functions performed by man are unique and better: • Ability to select his own inputs. • Sensitive to wide variety of stimuli • Reasoning • Innovation and creativity • Discriminating relevant from irrelevant signals • Selective recall of old information
- 21. Human Factors: Adefinition
- 22. Stress in humanbody
- 23. Work stress Demands exceedability to cope Most likely if individuals experience: •Lack of control •Lack of social support •Lack of direction •Lack of information •Conflict with others •Physical work environment problems •Violence or aggression
- 24. Signs of stress… Psych:Physical: Behavioural: •Anxiety •Depression •Aggression •Confusion •Increased blood pressure •Increased heart rate •Muscle tension •Headaches •Smoking •Alcohol abuse •Drug abuse •Absenteeism •Poor performance
- 25. Work stress How shouldorganisations manage stress at work?
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- 32. The Benefits ofergonomics
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- 42. Ergonomic Tips forComputer Users
- 43. What is ComputerErgonomics?
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- 45. What are ComputerErgonomics?
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- 47. Ergonomic requirements mayInclude:
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