servo controln.
/ˈsəːvəʊ kənˌtrəʊl/, U.S. /ˈsərvoʊ kənˌtroʊl/ 1. The use of a servomechanism to control or operate a machine or device; the control or operation of a machine or device exercised by a servomechanism.
ΘΚΠ
society > occupation and work > equipment > machine > parts of machines > mechanism > operate mechanism [verb (transitive)] > operate by servo-mechanism
servo control1919
servo1954
society > occupation and work > equipment > machine > parts of machines > mechanism > [noun] > servo-mechanism > use of
servo control1919
1919 Sci. Amer. 10 May 488/3 Several types of Servo motors have been tested. Of these the mechanical system of Servo control has proved the best.
1953 P. A. Merton in J. L. Malcolm & J. A. B. Gray Spinal Cord (Ciba Found. Symp.) 247 (heading) Speculations on the servo-control of movement.
1977 Proc. Royal Soc. Med. 70 207/1 The principle of servo-control is that the instrument senses the baby's temperature and adjusts the thermal environment automatically.
2009 Publ. Astron. Soc. Pacific 121 501/1 The ADC [sc. atmospheric dispersion correction system] rotates under servo-control as the telescope is pointed to various positions around the sky.
2. Aeronautics. In an aeroplane: a trim tab or servo tab. More fully servo control tab, servo control flap. Now rare.
ΚΠ
1928 Rep. & Mem. Aeronaut. Res. Council (H.M.S.O.) No. 1187. 4 There is no spring force on the servo control.
1934 Jrnl. Aeronaut. Sci. 1 155/1 The device now known as the servo control flap is a development of the ‘Flettner Rudder’ which was invented by the designer of the rotor ships.
1979 Sport Aviation Mar. 45/1 Retrim the airplane if necessary but do not move the servo control tabs.
1996 L. Day & I. McNeil Biogr. Dict. of Hist. Technol. (2005) 453 These servo-controls, or trim tabs, were used on large German bombers towards the end of the war.
3. = servomechanism n. a.
ΘΚΠ
society > occupation and work > equipment > machine > parts of machines > mechanism > [noun] > servo-mechanism
servo1909
servomechanism1920
servo system1920
servo control1939
1939 U. Pavesi U.S. Patent 2,151,714 2/2 The operation of the friction clutches and claw clutches may be brought about in different manners either directly by hand or by pedal or by means of servo-controls, mechanical, hydraulic or electric.
1947 Jrnl. Inst. Electr. Engineers 94 iia. 184/2 No output is produced in the bearing channel, and the feed to the corresponding servo control is consequently zero.
1951 Instruments 24 650/1 Servocontrols for the steel industry require..relatively high power level.
2001 J. Franzen Corrections 156 Just a camera and a microphone and servo controls.
This entry has been updated (OED Third Edition, March 2021; most recently modified version published online March 2022).
<
n.1919