Electricity: motor control systems

YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10USPC classification Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

Y10S388/00Electricity: motor control systems

Y10S388/90Specific system operational feature Y10S388/901Sample and hold Y10S388/902Compensation Y10S388/903Protective Y10S388/904Stored velocity profile Y10S388/905Armature and field windings connected in series Y10S388/906Proportional-integral system Y10S388/907Specific control circuit element or device Y10S388/9072Bridge circuit Y10S388/9075Computer or microprocessor Y10S388/908Frequency to voltage converter Y10S388/909Monitoring means Y10S388/91Operational/differential amplifier Y10S388/911Phase locked loop Y10S388/912Pulse or frequency counter Y10S388/913Saturable reactor, space discharge device, or magnetic amplifier Y10S388/914Thyratron or ignitron Y10S388/915Sawtooth or ramp waveform generator Y10S388/916Threshold circuit Y10S388/917Thyristor or scr Y10S388/918Trigger by unijunction transistor Y10S388/919Triggered by resistor or capacitor Y10S388/92Chopper Y10S388/921Timer or time delay means Y10S388/922Tuned or resonant circuit Y10S388/923Specific feedback condition or device Y10S388/924Centrifugal device Y10S388/925including contacts which open and close motor circuit Y10S388/926Which controls a vacuum tube or solid-state device in motor circuit Y10S388/927Which varies resistance of motor circuit Y10S388/928Which controls position of commutator brushes Y10S388/9281Counter or back emf, CEMF Y10S388/929Fluid/granular material flow rate, pressure, or level Y10S388/93Load or torque Y10S388/931Electric generator or magnet as auxiliary load Y10S388/932with reverse torque Y10S388/933Radiant energy responsive device Y10S388/934Thermal condition Y10S388/935Specific application: Y10S388/936Food preparation equipment Y10S388/937Hand tool