The maximum distance between the mean attained poses achieved when visiting the same command pose multiple times from three perpendicular directions. (ISO 8373)
Pinnacle Systems, Inc. (Safety Sensors and Controls for Industrial Machine Guarding Systems), Safety Glossary, Pittsburgh, Pennsylvania, USA 2014. http://www.pinnaclesystems.com/Glossary-B-I.html, (Ergo - Amer) {759}