Taguchi Method
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What are Taguchi Methods? How and when Online and Offline Quality Control is needed?
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The solution explains about the Taguchi Methods - Taguchi loss function and how offline and online quality control is undertaken.
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Taguchi Methods
Genichi Taguchi evolved a concept called Taguchi methods under his own surname in. According to Taguchi, Quality is a loss that a product imparts to the society from the time the product is shipped other than the losses caused by intrinsic functions.
Loss to the society can take the form of the following costs:
1. Cost of production
2. Cost to user over the life time of the product
3. Cost to the environment
1. Cost of production here means the cost at which a consumer purchases the product from the market. For example, a Hero Honda bike purchased by the consumer at Rs. 50000. This value is cost of production for the consumer (not for the seller).
2. Cost to user over life time of the product means the expenses he/she incurs in servicing of bike, maintenance, repair, consumption of petrol etc.
3. Cost to the environment means the effect of the product on the environment which includes the pollution created by the bike or the pollution created while manufacturing a product or non-biodegradable waste created by the product such as that by plastic bottles.
This loss may increase due to variation from the standards. This variation from standards is called noise which may be of following 3 types:
1) External Noise - variation from standards as a result of external conditions not in the control of the company such as deterioration of raw materials as a result of changing ...
Education
- BCom, M.D.S University, Ajmer
- MBA, M.D.S University, Ajmer
- PhD, Suresh Gyan Vihar University, Jaipur
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