Some of quality programs that are currently used include:
Total Quality Management (TQM):
TQM is a management approach to long-term success through customer satisfaction. TQM is based on the participation of all members of an organization in improving processes, goods, services, and the culture in which they work.
Total Quality Engineering (TQE):
TQE is the discipline of designing quality into the product and manufacturing processes by understanding the needs of the customer and performance capabilities of the equipment.
Total Quality Control (TQC):
TQC is the process of creating and producing the total composite good and service characteristics by marketing, engineering, manufacturing, purchasing, etc., through which the good and service will meet the expectations of customers.
Statistical Quality Control (SQC):
SQC is the application of statistical techniques to control quality.
Six sigma quality is a term used generally to indicate that a process is well controlled, i.e., tolerance limits are ±6 sigma from the centerline in a control chart.