Work Study and Ergonomics

Course Objective:
Objectives of this course is to develop the knowledge about the optimizing the productivity and study, evaluation and develop different methods of doing to increase productivity and as well as for workers well-being.

1. Productivity (4 hours)
1. Definition of productivity
2. Individual enterprises,
3. Task of management
4. Productivity of materials, land, building, machine and power
5. Measurement of productivity,
6. 1Factors affecting the productivity,
7. Productivity improvement programmers, wages and incentives (simple numerical problems)


2. Work Study (6 hours)
1. Definition, objective and scope of work study.
2. Human factor in work study.
3. Work study and management, work study and supervision, work study and worker.


3. Introduction to Method Study (6 hours)
1. Definition, objective and scope of method study, activity recording and exam aids.
2. Charts to record moments in shop operation – process charts, flow process charts, travel chart and multiple activity charts.( With simple problems)


4. Micro and Memo Motion Study (4 hours)
1. Charts to record moment at work place – principles of motion economy, classification of moments two handed process chart, SIMO chart, and micro motion study.
2. Development, definition and installation of the improved method, brief concept about synthetic motion studies.


5. Introduction to Work Measurement (4 hours)
1. Definition, objective and benefit of work measurement.
2. Work measurement techniques.
3. Work sampling: need, confidence levels, sample size determinations, random observation, conducting study with the simple problems.


6. Time Study (4 hours)
1. Time Study, Definition, time study equipment, selection of job, steps in time study.
2. Breaking jobs into elements, recording information.
3. Rating & standard ating, standard performance, scale of rating, factors of affecting rate of working, allowances and standard time determination.
4. Predetermined motion time study – Method time measurement (MTM)


7. Ergonomics (8 hours)
1. Introduction, areas of study under ergonomics, system approach to ergonomics model, man-machine system.
2. Components of man-machine system and their functions – work capabilities of industrial worker, study of development of stress in human body and their consequences.
3. Computer based ergonomics


8. Design of Man-Machine System (8 hours)
1. Fatigue in industrial workers.
2. Quantitative qualitative representation and alphanumeric displays. Controls and their design criteria, control types, relation between controls and displays, layouts of panels and machines.
3. Design of work places, influence of climate on human efficiency. Influence of noise, vibration and light.

References:

1. ILO, Introduction to work study, III Revised Edition, 1981
2. Ralph M Barnes; Motion and Time study; John Wiley
3. Wledon; Engineered work Measurement, ELBS
4. M. S. Sanders and E. J. McCormic, “Human Factors in Engineering Design”, VI Edition, Mc Graw Hill
5. S. Dalela and Sourabh, “Work Study and Ergonomics”

Practical:

1. Recording Techniques : preparing the following charts and diagrams
1. Out line process chart
2. Flow process chart
3. Flow diagram
4. Multiple activity chart
5. String diagram, SIMO chart
6. Two handed process charts
2. Application of principle of motion economy
3. Measurement of effect of work on human body (Ergometer, Tread mill)
4. Rating exercises
5. Determining the standard time for simple operation using stop watches and PMTS.
6. Conceptual design of displays and controls.

Evaluation Scheme
The questions will cover all the chapters of the syllabus. The evaluation scheme will be as indicated in the table below