SHRDLU was an early AI system developed by Terry Winograd which used restructed natural langauge processing to conctorl a simulated robot in a blocks world.
Used in Chap. 1: page 5; Chap. 13: pages 205, 219; Chap. 15: page 241; Chap. 18: page 295
Links:
hci.stanford.edu:
Stanford University: SHRDLU
Wikipedia:
SHRDLU