Human Factors

The following design mistakes found in the interaction design are in the discipline of cognitive engineering:

Mistakes

The designed enabled the operator to perform risky operations. An error-proof design should disable performing routine risky maintenance activities during production

Guideline  Guidelines for error prevention

Perception

The operators were misled by the wrong indication of the state of the PORV. Also, they were confused by the indication of low pressure, which hinted on the system operating with sufficient coolants. Consequently, they turned off the auxiliary pumps, which had been activated automatically. This action turned out to be fatal.

Guideline  Guidelines for alarming on exceptional situations

Updated on 18 Apr 2016.