Shigeo shingo poka yoke concept
Shigeo shingo poka yoke concept
Shigeo shingo poka yoke concept card!
Poka-yoke
Process that helps an equipment operator avoid mistakes
Poka-yoke (ポカヨケ, [pokajoke]) is a Japanese term that means "mistake-proofing" or "error prevention".
It is also sometimes referred to as a forcing function or a behavior-shaping constraint.
A poka-yoke is any mechanism in a process that helps an equipment operator avoid (yokeru) mistakes (poka) and defects by preventing, correcting, or drawing attention to human errors as they occur.[1] The concept was formalized, and the term adopted, by Shigeo Shingo as part of the Toyota Production System.[2][3]
Etymology
Poka-yoke was originally baka-yoke, but as this means "fool-proofing" (or "idiot-proofing") the name was changed to the milder poka-yoke.[4] Poka-yoke is derived from poka o yokeru (ポカを避ける), a term in shogi that means avoiding an unthinkably bad move.
Usage and examples
More broadly, the term can refer to any behavior-shaping co