Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Self-normal-positioning experiment. a) Testing self-normal-positioning on a flat surface. Readers may refer to the downloadable supplementary material for the complete experiment video b) The recorded normal positioning error on the flat surface over time. c) Testing self-normal-positioning on a mannequin surface. d) The normal positioning error recorded at 12 targets on the mannequin.
