G05B 2219/41
Servomotor, servo controller till figures
G05B2219/41 (Servomotor, servo controller till figures) appears on 2,378 US grants and 1,539 published applications in this corpus.
Search patents in G05B- Granted patents
- 2,378
- Published applications
- 1,539
- Assignees
- 985
- Inventors
- 4,300
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 27 | 0 |
| 1977 | 20 | 0 |
| 1978 | 25 | 0 |
| 1979 | 12 | 0 |
| 1980 | 24 | 0 |
| 1981 | 23 | 0 |
| 1982 | 38 | 0 |
| 1983 | 28 | 0 |
| 1984 | 22 | 0 |
| 1985 | 53 | 0 |
| 1986 | 45 | 0 |
| 1987 | 47 | 0 |
| 1988 | 39 | 0 |
| 1989 | 54 | 0 |
| 1990 | 57 | 0 |
| 1991 | 58 | 0 |
| 1992 | 46 | 0 |
| 1993 | 46 | 0 |
| 1994 | 45 | 0 |
| 1995 | 47 | 0 |
| 1996 | 49 | 0 |
| 1997 | 47 | 0 |
| 1998 | 61 | 0 |
| 1999 | 52 | 0 |
| 2000 | 32 | 0 |
| 2001 | 31 | 9 |
| 2002 | 22 | 28 |
| 2003 | 39 | 47 |
| 2004 | 43 | 55 |
| 2005 | 41 | 33 |
| 2006 | 39 | 48 |
| 2007 | 35 | 48 |
| 2008 | 34 | 39 |
| 2009 | 37 | 55 |
| 2010 | 31 | 48 |
| 2011 | 34 | 39 |
| 2012 | 32 | 42 |
| 2013 | 36 | 50 |
| 2014 | 48 | 52 |
| 2015 | 58 | 70 |
| 2016 | 60 | 88 |
| 2017 | 64 | 99 |
| 2018 | 89 | 116 |
| 2019 | 108 | 84 |
| 2020 | 94 | 109 |
| 2021 | 82 | 80 |
| 2022 | 71 | 79 |
| 2023 | 84 | 83 |
| 2024 | 72 | 71 |
| 2025 | 67 | 54 |
| 2026 | 30 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G05B 2219/41326Step motorIndexing code113
- G05B 2219/41021Variable gainIndexing code102
- G05B 2219/41309Hydraulic or pneumatic driveIndexing code87
- G05B 2219/41337Linear drive motor, voice coilIndexing code49
- G05B 2219/41301Pilot valve, linear fluid control valve and power cylinderIndexing code45
- G05B 2219/41092References, calibration positions for correction of value position counterIndexing code44
- G05B 2219/41344Piezo, electrostrictive linear driveIndexing code44
- G05B 2219/41457Superposition of movementIndexing code43
All 433 subgroupsShow fewer
- G05B 2219/41032BacklashIndexing code42
- G05B 2219/41256Chattering controlIndexing code41
- G05B 2219/41426Feedforward of torqueIndexing code41
- G05B 2219/41206Lookup table, memory with certain relationshipsIndexing code40
- G05B 2219/41303Flow rate valve controls speedIndexing code40
- G05B 2219/41036Position error in memory, lookup table for correction actual positionIndexing code38
- G05B 2219/41154Friction, compensation for frictionIndexing code38
- G05B 2219/41264Driven by two motorsIndexing code36
- G05B 2219/41329Dc motorIndexing code35
- G05B 2219/41117Cancel vibration during positioning of slideIndexing code33
- G05B 2219/41122Mechanical vibrations in servo, antihunt also safety, stray pulses, jitterIndexing code33
- G05B 2219/41123Correction inertia of servoIndexing code33
- G05B 2219/41166Adaptive filter frequency as function of oscillation, rigidity, inertia loadIndexing code33
- G05B 2219/41273HydraulicIndexing code32
- G05B 2219/41112Control parameter such as motor controlled by a torque signalIndexing code31
- G05B 2219/41177Repetitive control, adaptive, previous error during actual positioningIndexing code31
- G05B 2219/41249Several slides along one axisIndexing code31
- G05B 2219/41279BrakeIndexing code30
- G05B 2219/41108Controlled parameter such as gas mass flow rateIndexing code29
- G05B 2219/41304PneumaticIndexing code29
- G05B 2219/41367Estimator, state observer, space state controllerIndexing code28
- G05B 2219/41363Excess in error, error too large, follow up errorIndexing code26
- G05B 2219/41434Feedforward ffwIndexing code26
- G05B 2219/41115Compensation periodical disturbance, like chatter, non-circular workpieceIndexing code25
- G05B 2219/41059Play in gear, screw backlash, lost motionIndexing code24
- G05B 2219/41195Cross coupled feedback, position change one axis effects control of otherIndexing code24
- G05B 2219/41327Linear induction motorIndexing code24
- G05B 2219/41163Adapt gain to friction, weight, inertiaIndexing code23
- G05B 2219/41319Ac, induction motorIndexing code23
- G05B 2219/41133Compensation non linear transfer functionIndexing code22
- G05B 2219/41251Servo with spring, resilient, elastic element, twistIndexing code22
- G05B 2219/41318Electro hydraulic drive, electric motor drives hydraulic actuatorIndexing code22
- G05B 2219/41427Feedforward of positionIndexing code22
- G05B 2219/41213Lookup table for load, motor torque as function of actual positionIndexing code21
- G05B 2219/41217Command preshape, guidance, reference for better dynamic response, forcing feedforwardIndexing code21
- G05B 2219/41084Compensation speed axis with changing, reversing direction, quadrant circleIndexing code20
- G05B 2219/41099Calibration by going to two extremes, limits, counting pulses, storing valuesIndexing code20
- G05B 2219/41105Coarse fineIndexing code20
- G05B 2219/41156Injection of vibration anti-stick, against static friction, dither, stictionIndexing code20
- G05B 2219/41176Compensation control, position error with data from lookup memoryIndexing code20
- G05B 2219/41358Transmission, variable gear ratioIndexing code20
- G05B 2219/41054Using neural network techniquesIndexing code19
- G05B 2219/41078Backlash acceleration compensation when inversing, reversing directionIndexing code19
- G05B 2219/41352Alternative clamping dilation of piezo, caterpillar motion, inchwormIndexing code19
- G05B 2219/41109Drilling rate, feed rateIndexing code18
- G05B 2219/41114Compensation for gravity, counter balance gravityIndexing code18
- G05B 2219/41144Element used such as low pass filter to cut resonance at nonIndexing code18
- G05B 2219/41186LagIndexing code18
- G05B 2219/41232Notch filterIndexing code18
- G05B 2219/41244Dead band, zoneIndexing code18
- G05B 2219/41311Pilot valve with feedback of positionIndexing code18
- G05B 2219/41025Detect oscillation, unstability of servo and change gain to stabilize againIndexing code17
- G05B 2219/41029Adjust gain as function of position error and positionIndexing code17
- G05B 2219/41091Alignment, zeroing, nulling, set parallel to axisIndexing code17
- G05B 2219/41121Eliminating oscillations, hunting motor, actuatorIndexing code17
- G05B 2219/41128Compensate vibration beam, gantry, feedback of speed of non driven endIndexing code17
- G05B 2219/41255Mode switch, select independent or dependent control of axisIndexing code17
- G05B 2219/41293Inverter, dc-to-acIndexing code17
- G05B 2219/41077Self tuning, test run, detect, compute optimal backlash, deformation compensationIndexing code16
- G05B 2219/41118Drift-compensation for servo, anti-huntIndexing code16
- G05B 2219/41192Compensation for different response times, delay of axisIndexing code16
- G05B 2219/41203Lead-phase compensation, lag-phase compensation servoIndexing code16
- G05B 2219/41321Brushless dc motorIndexing code16
- G05B 2219/41437Feedforward of speedIndexing code16
- G05B 2219/41055Kind of compensation such as pitch error compensationIndexing code15
- G05B 2219/41145Digital filter for compensation of servo loopIndexing code15
- G05B 2219/41146Kalman filterIndexing code15
- G05B 2219/41302On off fluid valve and power cylinderIndexing code15
- G05B 2219/41408Control of jerk, change of accelerationIndexing code15
- G05B 2219/41085Compensation pulses on inversion of direction of rotation, movementIndexing code14
- G05B 2219/41101Stop, halt step, ac motor on certain excitation phase, after sensing aIndexing code14
- G05B 2219/41119Servo error compensationIndexing code14
- G05B 2219/41285Dynamic brake of ac, dc motorIndexing code14
- G05B 2219/41086Bang bang controlIndexing code13
- G05B 2219/41214Lookup table for current as function of actual positionIndexing code13
- G05B 2219/41355Electro magnetic coil actuator, voice coilIndexing code13
- G05B 2219/41387Observe reference torque, position and feedback position, estimate contact forceIndexing code13
- G05B 2219/41405Inverse kinematic, dynamicIndexing code13
- G05B 2219/41006Change gain as function of speed and positionIndexing code12
- G05B 2219/41034Two motors driven in opposite direction to take up backlashIndexing code12
- G05B 2219/41047Recirculating ballnut, ballscrew, preloaded bearingIndexing code12
- G05B 2219/41152Adaptive filterIndexing code12
- G05B 2219/41161Adaptive friction compensationIndexing code12
- G05B 2219/41265To avoid backlashIndexing code12
- G05B 2219/41381Torque disturbance observer to estimate inertiaIndexing code12
- G05B 2219/41428Feedforward of position and speedIndexing code12
- G05B 2219/41127Compensation for temperature variations of servoIndexing code11
- G05B 2219/41138Torque compensationIndexing code11
- G05B 2219/41142Compensation of servocontrol signals as function of changing supply voltageIndexing code11
- G05B 2219/41143Compensation of dynamic characteristic of actuatorIndexing code11
- G05B 2219/41345MicropositionerIndexing code11
- G05B 2219/41368Disturbance observer, inject disturbance, adapt controller to resulting effectIndexing code11
- G05B 2219/41002Servo amplifierIndexing code10
- G05B 2219/41116Compensation for instabilityIndexing code10
- G05B 2219/41245Discrimination of directionIndexing code10
- G05B 2219/41247Servo lockIndexing code10
- G05B 2219/41248Adapting characteristics of servoIndexing code10
- G05B 2219/41275Two axis, x y motors controlled simultaneous, no contouring, quick move atIndexing code10
- G05B 2219/41333Non linear solenoid actuatorIndexing code10
- G05B 2219/41357BeltIndexing code10
- G05B 2219/41435Adapt coefficients, parameters of feedforwardIndexing code10
- G05B 2219/41057Stiffness, deformation of slide, driveIndexing code9
- G05B 2219/41089Align, calibrate control so that one pulse or signal represents certain movementIndexing code9
- G05B 2219/41148Model, from position, speed, acceleration derive compensationIndexing code9
- G05B 2219/41151Finite impulse response filterIndexing code9
- G05B 2219/41168Compensate position error by shifting projected image electronicallyIndexing code9
- G05B 2219/41205Compensation circuit in speed feedback loopIndexing code9
- G05B 2219/41276Displacement as function of width, amplitude pulse to motorIndexing code9
- G05B 2219/41298Stepping motor and control valve and power cylinder and mechanical feedbackIndexing code9
- G05B 2219/41359GearboxIndexing code9
- G05B 2219/41376Tool wear, flank and crater, estimation from cutting forceIndexing code9
- G05B 2219/41383Observe current, voltage, derive positionIndexing code9
- G05B 2219/41397Estimate voltage control signal as function of voltage control signal and positionIndexing code9
- G05B 2219/41421Eliminate, diminish delay in feedback speedIndexing code9
- G05B 2219/41436Feedforward of speed and accelerationIndexing code9
- G05B 2219/41443Position reference ffw for compensation of positionIndexing code9
- G05B 2219/41028Select gain with memory, rom tableIndexing code8
- G05B 2219/41041Compensation pulses as function of direction movementIndexing code8
- G05B 2219/41081Approach position from same directionIndexing code8
- G05B 2219/41107Coarse by hydraulic cylinder, fine by step motor superposed on pistonIndexing code8
- G05B 2219/41139Compensate dynamic deflection of slide, calculated with position, speed, torque deflection valuesIndexing code8
- G05B 2219/41191Cancel vibration by positioning two slides, opposite accelerationIndexing code8
- G05B 2219/41194Axis error, one axis is corrected on other axisIndexing code8
- G05B 2219/41202Structure, compensation circuit after comparator in loopIndexing code8
- G05B 2219/41233Feedforward simulation filter, with modelIndexing code8
- G05B 2219/41259Coupling, clutchIndexing code8
- G05B 2219/41342Shape memory metal actuatorIndexing code8
- G05B 2219/41372Force estimator using disturbance estimator observerIndexing code8
- G05B 2219/41379Estimate torque from command torque and measured speedIndexing code8
- G05B 2219/41481Divide command, block in subcommands, subblocksIndexing code8
- G05B 2219/41015Adjust position and speed gain of different axisIndexing code7
- G05B 2219/41026Change gain as function of speedIndexing code7
- G05B 2219/41207Lookup table with position command, deviation and correction valueIndexing code7
- G05B 2219/41209Lookup table with compensation as function of reference and feedback valueIndexing code7
- G05B 2219/41222Modified command filteringIndexing code7
- G05B 2219/41374Observe position and driving signal, predict, estimate disturbance signalIndexing code7
- G05B 2219/41422Correction stored position while motor, power off, drive - encoder not connectedIndexing code7
- G05B 2219/41431Delay position command as function of calculation time for feedforward, or orderIndexing code7
- G05B 2219/41432Feedforward of currentIndexing code7
- G05B 2219/41003Control power amplifier with data on data busIndexing code6
- G05B 2219/41004Selection gain according to selection of speed or positioning modeIndexing code6
- G05B 2219/41005Update servo gain not for each microprocessor cycle, but after a certainIndexing code6
- G05B 2219/41023Large pd gain initially switched to smaller pd gain afterwardsIndexing code6
- G05B 2219/41024High gain for low command speed, torque or position error equals orIndexing code6
- G05B 2219/41045For several modes and feed speeds, a table, registers for several backlashIndexing code6
- G05B 2219/41056Compensation for changing stiffness, deformation of workpieceIndexing code6
- G05B 2219/41068Measuring and feedbackIndexing code6
- G05B 2219/41074Learn, calibrate at start for indetermined position, drive until movementIndexing code6
- G05B 2219/41124Nonlinear compensationIndexing code6
- G05B 2219/41155During reversing, inversing rotation, movementIndexing code6
- G05B 2219/41184Compensation of lag during constant speed movementIndexing code6
- G05B 2219/41189Several axis, compensation for load for several axis at the same timeIndexing code6
- G05B 2219/41246Modulate command according to hystereris so that ideal curve is followedIndexing code6
- G05B 2219/41294Dc-to-ac converterIndexing code6
- G05B 2219/41306Control valve with counteracting control pulsesIndexing code6
- G05B 2219/41354Magnetic, thermal, bimetal peltier effect displacement, positioningIndexing code6
- G05B 2219/41371Force estimation using velocity observerIndexing code6
- G05B 2219/41398Estimate twist between motor and load, observe motor position and speedIndexing code6
- G05B 2219/41423Noise filter as function of rate of displacement, speed, for stabilisationIndexing code6
- G05B 2219/41429Mean value of previous feedforward valuesIndexing code6
- G05B 2219/41439Position error ffw for compensation of speedIndexing code6
- G05B 2219/41441Position reference ffw for compensation speed reference and speed errorIndexing code6
- G05B 2219/41038Compensation pulsesIndexing code5
- G05B 2219/41039Change compensation slowly, gradually, smooth error with filterIndexing code5
- G05B 2219/41113Compensation for path radiusIndexing code5
- G05B 2219/41125Compensate position as function of phase lag of drive motorIndexing code5
- G05B 2219/41136Compensation of position for slip of ac motorIndexing code5
- G05B 2219/41174Compensator in feedback loopIndexing code5
- G05B 2219/41181Pid precompensation for position loopIndexing code5
- G05B 2219/41193Active damping of tool vibrations by cross couplingIndexing code5
- G05B 2219/41204Compensation circuit for input, reference, before comparatorIndexing code5
- G05B 2219/41231Using impulse shaping filterIndexing code5
- G05B 2219/41241Anti-coincidence, synchronizerIndexing code5
- G05B 2219/41261Flexible coupling between carriage, slide and actuator, motorIndexing code5
- G05B 2219/41292H-bridge, diagonal pairs of semiconductorsIndexing code5
- G05B 2219/41322Vector, field oriented controlled motorIndexing code5
- G05B 2219/41331Galvano driverIndexing code5
- G05B 2219/41335Reluctance motorIndexing code5
- G05B 2219/41336Voltage- and frequency-controlled ac motorIndexing code5
- G05B 2219/41395Observe actual position to estimate compensation torqueIndexing code5
- G05B 2219/41406Lqr linear quadratic regulator to calculate gain for several known variablesIndexing code5
- G05B 2219/41419Resolution of feedback of incremental position decreases with velocity speedIndexing code5
- G05B 2219/41012Adjust feedforward gainIndexing code4
- G05B 2219/41018High gain for motor control during acceleration, low during decelerationIndexing code4
- G05B 2219/41065Resolver or inductosyn correctionIndexing code4
- G05B 2219/41083Upon reversing direction, lower, change gainIndexing code4
- G05B 2219/41106Coarse fine take over, transition, switch overIndexing code4
- G05B 2219/41158Use of pwm signal against frictionIndexing code4
- G05B 2219/41164How to compensateIndexing code4
- G05B 2219/41173Delay of compensation output signal as function of sampling and computation timeIndexing code4
- G05B 2219/41187Inverse, reciprocal filter, transfer function, reduce lag in contouringIndexing code4
- G05B 2219/41208Lookup table for load, motor torque as function of actual position errorIndexing code4
- G05B 2219/41216Two lookup tables, for forward and reverse movementIndexing code4
- G05B 2219/41218Posicast, break reference into two parts, better settling timeIndexing code4
- G05B 2219/41225Profile generator for reference and for feedforward torqueIndexing code4
- G05B 2219/41229Adding a vibration, noise signal to reference signal of position, speed orIndexing code4
- G05B 2219/41243Prevent, detect overflow of counterIndexing code4
- G05B 2219/41278Two current amplifiers, pumps for each direction of displacement, pushpullIndexing code4
- G05B 2219/41282Magnetic brakeIndexing code4
- G05B 2219/41315Feedback of position of pilot valve and of power cylinderIndexing code4
- G05B 2219/41325Linear electric actuator for position combined with pneumatic actuator for forceIndexing code4
- G05B 2219/41366Linearization of embedded position signalsIndexing code4
- G05B 2219/41402Observe speed and driving signal, estimate speedIndexing code4
- G05B 2219/41409Update position feedback during speed controlIndexing code4
- G05B 2219/41414Time delay control, estimate non linear dynamics, correct with time delayed inputIndexing code4
- G05B 2219/41001Servo problemsIndexing code3
- G05B 2219/41011Adapt gain as function of followup error, model can be usedIndexing code3
- G05B 2219/41016Adjust gain to maintain operating bandwith for guaranteed servo performanceIndexing code3
- G05B 2219/41043Memory table with motor current and corresponding correction for lost motionIndexing code3
- G05B 2219/41062Compensation for two, three axis at the same time, crosscouplingIndexing code3
- G05B 2219/41079Cross coupled backlash for two other axis on reversing third axisIndexing code3
- G05B 2219/41082Timer, speed integration to control duration of backlash correctionIndexing code3
- G05B 2219/41087Determine switch pointIndexing code3
- G05B 2219/41093By injection of sinusoidal signal, superposed on referenceIndexing code3
- G05B 2219/41095References, calibration positions to adapt gain of servoIndexing code3
- G05B 2219/41098Automatic recalibrationIndexing code3
- G05B 2219/41102Analog comparatorIndexing code3
- G05B 2219/41104Start fine position after coarse position stoppedIndexing code3
- G05B 2219/41141Position error compensation as function of speed to compensate detection delayIndexing code3
- G05B 2219/41153Infinite impulse response filterIndexing code3
- G05B 2219/41157Compensation as function of speed and accelerationIndexing code3
- G05B 2219/41172Adapt coefficients of compensator to bring system into phase marginIndexing code3
- G05B 2219/41196Adaptive prefilteringIndexing code3
- G05B 2219/41219To compensate path, track error, calculate, use compensated referenceIndexing code3
- G05B 2219/41224Shaping a bang-bang inputIndexing code3
- G05B 2219/41234Design, modeling of position controllerIndexing code3
- G05B 2219/41238Design with control bandwidth beyond lowest natural frequencyIndexing code3
- G05B 2219/41266Coupling, clutch and brake unitIndexing code3
- G05B 2219/41274Flywheel as power bufferIndexing code3
- G05B 2219/41316Piezo valveIndexing code3
- G05B 2219/41332Electromagnet driven core, position of core controlledIndexing code3
- G05B 2219/41346Micropositioner in x, y and thetaIndexing code3
- G05B 2219/41361DifferentialIndexing code3
- G05B 2219/41362Registration, display of servo errorIndexing code3
- G05B 2219/41365Servo error converted to frequencyIndexing code3
- G05B 2219/41369Two estimatorsIndexing code3
- G05B 2219/41373Observe position and driving signal, estimate disturbance and speedIndexing code3
- G05B 2219/41384Force estimation using position observerIndexing code3
- G05B 2219/41385Observe position from encoder, estimate speed, position with kalman filterIndexing code3
- G05B 2219/41388Observe input torque and feedback position, estimate reaction torqueIndexing code3
- G05B 2219/41394Estimate speed and position error from motor current, torqueIndexing code3
- G05B 2219/41413Forward kinematicsIndexing code3
- G05B 2219/41418Select feedback signal between detected position of motor and of driven loadIndexing code3
- G05B 2219/41448Ffw friction compensation for speed error, derived from position referenceIndexing code3
- G05B 2219/41461Phase counter and phase discriminator, phase locked motionIndexing code3
- G05B 2219/41474Servo loop with absolute digital position sensorIndexing code3
- G05B 2219/41007Select gain as function of gear ratioIndexing code2
- G05B 2219/41017High gain in narrow band of frequencies centered around frequency of rotationIndexing code2
- G05B 2219/41019Measure time needed from first to second speed, to adapt gain toIndexing code2
- G05B 2219/41022Small gain for small movements, large gain for large movementsIndexing code2
- G05B 2219/41046Ffw compensation using adaptive inverse backlash modelIndexing code2
- G05B 2219/41049Block position pulses until movement detected, automatic compensationIndexing code2
- G05B 2219/41053How to integrate position error, add to speed loopIndexing code2
- G05B 2219/41064Reference screw, simulation axis, electronic simulated axisIndexing code2
- G05B 2219/41071Backlash for non orthogonal axisIndexing code2
- G05B 2219/41075Calibrate at start if new screw or slide has been installed, newIndexing code2
- G05B 2219/41129Force compensation for non linearity of systemIndexing code2
- G05B 2219/41132Motor ripple compensationIndexing code2
- G05B 2219/41135Avoid stray pulses, jitter, use two d-flipflops, or integrate pulse durationIndexing code2
- G05B 2219/41162Large gain at start to overcome friction, then low gainIndexing code2
- G05B 2219/41165Compensation corrected by second servo independent from main servoIndexing code2
- G05B 2219/41167Control path independent of loadIndexing code2
- G05B 2219/41179Pi precompensation for speed loopIndexing code2
- G05B 2219/41188Compensate position error between two different axis as function of type ofIndexing code2
- G05B 2219/41197Adaptive postfilteringIndexing code2
- G05B 2219/41199Feedforward compensation of pidIndexing code2
- G05B 2219/41215Lookup table for speed as function of actual position errorIndexing code2
- G05B 2219/41228Frequency of commutation updates depends on motor speedIndexing code2
- G05B 2219/41252Avoid housing vibration, slide and auxiliary slide controlled with opposite phaseIndexing code2
- G05B 2219/41258Single position detector for plural motors driving a single loadIndexing code2
- G05B 2219/41263Switch control mode of spindle drive as function of contouring, spindle orientationIndexing code2
- G05B 2219/41269Ballscrew and ball spline nut driven synchronously or independentlyIndexing code2
- G05B 2219/41272Driven by two stepmotors with different resonance frequencyIndexing code2
- G05B 2219/41281Hydraulic actuated brakeIndexing code2
- G05B 2219/41284Brake by applying dc to ac motorIndexing code2
- G05B 2219/41295Ac-to-ac converter frequency controlledIndexing code2
- G05B 2219/41305Bypass fluid flow, block it from motorIndexing code2
- G05B 2219/41307Motor drives hydraulic pump in direction needed for power cylinderIndexing code2
- G05B 2219/41312Metering piston between switch to fluid supply and switch to power cylinderIndexing code2
- G05B 2219/41317Stepping motor and control valve and power cylinderIndexing code2
- G05B 2219/41339Using, switch reluctance or asynchronous motor in, to stepping mode motorIndexing code2
- G05B 2219/41348Hydraulic pressure blockIndexing code2
- G05B 2219/41364Excess in error for speed, follow up error for speedIndexing code2
- G05B 2219/41375Observe speed and select torque as function of position reference, to compensateIndexing code2
- G05B 2219/41389Estimate torque from command torque and feedback accelerationIndexing code2
- G05B 2219/41391Flux observer, flux estimated from current and voltageIndexing code2
- G05B 2219/41393Synchronize observer with pulse from encoderIndexing code2
- G05B 2219/41411Avoid integrator wind-up, saturation actuator by dead zone feedback for integralIndexing code2
- G05B 2219/41417Correction signal is different as function of sign of errorIndexing code2
- G05B 2219/41424Select a controller as function of large or small errorIndexing code2
- G05B 2219/41425Feedforward of accelerationIndexing code2
- G05B 2219/41442Position reference ffw for compensation speed referenceIndexing code2
- G05B 2219/41444Speed reference ffw for compensation of speed errorIndexing code2
- G05B 2219/41445Ffw of position and speed error to compensate torqueIndexing code2
- G05B 2219/41453Inverse, feedforward controller is inverse of closed loop systemIndexing code2
- G05B 2219/41472Servo loop with position error indicates speed step valueIndexing code2
- G05B 2219/41478Servo loop with combination of analog and digital sensorIndexing code2
- G05B 2219/41008Speed gain high, position gain low in speed mode and inverse inIndexing code1
- G05B 2219/41009Sum output of amplifiers with different gainsIndexing code1
- G05B 2219/41013Lower gain in high frequency regionIndexing code1
- G05B 2219/41014Cubic raise of gain until friction overcome, then linear raiseIndexing code1
- G05B 2219/41027Control signal exponentially to errorIndexing code1
- G05B 2219/41031Raise gain at zero speed until position error or speed is zeroIndexing code1
- G05B 2219/41033Constant counter torqueIndexing code1
- G05B 2219/41042Switch between rapid, quick feed and cut, slow workspeed feed backlashIndexing code1
- G05B 2219/41044For several transducers a table, select table as function of transducerIndexing code1
- G05B 2219/41048Relieve backlash by stepping back a little and verify positionIndexing code1
- G05B 2219/41051Detect end of lost motion by detecting changing currentIndexing code1
- G05B 2219/41052By detecting change of velocityIndexing code1
- G05B 2219/41058For deformation of screwIndexing code1
- G05B 2219/41061Backlash for linear deviationsIndexing code1
- G05B 2219/41063Lineary distributing pitch error over interpolated distance, add pulses, smoothingIndexing code1
- G05B 2219/41076For each replacement of a movable part, reload pitch error correctionIndexing code1
- G05B 2219/41088If error too large, switch over to signal identification and servo correctionIndexing code1
- G05B 2219/41094Removable interferometer, store exact position, needed drive current, temperatureIndexing code1
- G05B 2219/41097Align stepping motor with driven valveIndexing code1
- G05B 2219/41103One comparator for both speed and position feedbackIndexing code1
- G05B 2219/41126Compensation for current ripple of drive or transducerIndexing code1
- G05B 2219/41131Enter manually a compensation, correction for a better positioningIndexing code1
- G05B 2219/41134Ann compensates output of pd controllerIndexing code1
- G05B 2219/41137Torque compensation for levitation effect of motorIndexing code1
- G05B 2219/41147Exponential filterIndexing code1
- G05B 2219/41149Zero phase filterIndexing code1
- G05B 2219/41175Derivative compensation for speed loop, added or substracted to speed referenceIndexing code1
- G05B 2219/41178Serial precompensationIndexing code1
- G05B 2219/41182Pi precompensation for position loopIndexing code1
- G05B 2219/41183Compensation of lag during standstillIndexing code1
- G05B 2219/41198Fuzzy precompensation of pid, pdIndexing code1
- G05B 2219/41212Gains for pid compensator as function of xy positionIndexing code1
- G05B 2219/41221Fuzzy shapingIndexing code1
- G05B 2219/41223Ann shaping, objective position, trajectory is shaped by annIndexing code1
- G05B 2219/41226Zero vibration and zero derivative input shaper zvdIndexing code1
- G05B 2219/41235Design, modeling of motion controllerIndexing code1
- G05B 2219/41254Avoid cumulative measuring, calculation errors, sum remainderIndexing code1
- G05B 2219/41257Display of gainIndexing code1
- G05B 2219/41268Two cascade slides controlled in opposite direction to avoid local wearIndexing code1
- G05B 2219/41277Separation of position drive controller and motor amplifiersIndexing code1
- G05B 2219/41288Two brakes, one on motor axis, other on drive axisIndexing code1
- G05B 2219/41289Motor direction controlled by relaysIndexing code1
- G05B 2219/41296Two data linesIndexing code1
- G05B 2219/41297For cancelling magnetic field leakage generated byIndexing code1
- G05B 2219/41324Modular servo drive, simo driveIndexing code1
- G05B 2219/41328Direct motor driveIndexing code1
- G05B 2219/41338High torque, low inertia motor, printed circuit motorIndexing code1
- G05B 2219/41343Magnetostrictive motorIndexing code1
- G05B 2219/41356Variable speed transmission, van doorne, reevesIndexing code1
- G05B 2219/41377Estimate cutting torque in real timeIndexing code1
- G05B 2219/41378Estimate torque as function of speed, voltage and currentIndexing code1
- G05B 2219/41382Observe position from encoder, estimate speed with annIndexing code1
- G05B 2219/41386System identifier adapts coefficients tables for state and observer controllerIndexing code1
- G05B 2219/41392Observer for each axis, link, freedom, gives greater speedIndexing code1
- G05B 2219/41396Estimate acceleration from three phase current valuesIndexing code1
- G05B 2219/41401Estimate position from max and min speeds in open loopIndexing code1
- G05B 2219/41403Machine deformation estimator as function of commanded positionIndexing code1
- G05B 2219/41407Leader changes resistor, follower restores value in order to follow leaderIndexing code1
- G05B 2219/41412Bandwidth of velocity loop is just below natural frequency of drive supportIndexing code1
- G05B 2219/41415Lookup table for nonlinear function synthesisIndexing code1
- G05B 2219/41416Feedback signal is doubled, reference signal is doubled plus oneIndexing code1
- G05B 2219/41438Feedforward of speed only during decelerationIndexing code1
- G05B 2219/41447Position generates force ffw combined with position errorIndexing code1
- G05B 2219/41449Speed reference and derived position ffw to compensate delay of position controlIndexing code1
- G05B 2219/41451Ffw tracking controllerIndexing code1
- G05B 2219/41463Servo loop with angle comparator and angle comparator predictor, see figure se-eightIndexing code1
- G05B 2219/41477Servo loop with analog position sensor for continuous path controlIndexing code1
- G05B 2219/41479Servo loop with position loopIndexing code1
- G05B 2219/41035Voltage injectionIndexing code0
- G05B 2219/41037With computerIndexing code0
- G05B 2219/41066Keep nut at constant distance from screwIndexing code0
- G05B 2219/41067Correction screwIndexing code0
- G05B 2219/41069With camIndexing code0
- G05B 2219/41072Cam transmits movement to resolverIndexing code0
- G05B 2219/41073Tuning potentiometers and programming themIndexing code0
- G05B 2219/41096For several positions store dead zone in memoryIndexing code0
- G05B 2219/41111Vertical position and orientation with respect to verticalIndexing code0
- G05B 2219/41159Two step command, reference and dead zone value forward, then dead zoneIndexing code0
- G05B 2219/41169Parallel compensationIndexing code0
- G05B 2219/41171Different compensation for left and right movementIndexing code0
- G05B 2219/41185Send reference data in inverse order to model, filter to get invertedIndexing code0
- G05B 2219/41201Fuzzy compensation of statecontrollerIndexing code0
- G05B 2219/41211For surface deviations from reference surfaceIndexing code0
- G05B 2219/41227Extra insensitive input shaper, some vibration allowedIndexing code0
- G05B 2219/41236Use of sfc sequential function charts for specificationIndexing code0
- G05B 2219/41237Use of petrinets for verification, simulationIndexing code0
- G05B 2219/41239Lyapunov direct controller designIndexing code0
- G05B 2219/41242Pulse height modulation phmIndexing code0
- G05B 2219/41253From measured signature, select in database corresponding servo valve typeIndexing code0
- G05B 2219/41262Binary summing of motions, by stacking or using leversIndexing code0
- G05B 2219/41267Servo loop with stepping motor, see figure se-twelveIndexing code0
- G05B 2219/41271Drive in two directionsIndexing code0
- G05B 2219/41283Brake force does not load index axis, better positioningIndexing code0
- G05B 2219/41286Brake motor before reversing motorIndexing code0
- G05B 2219/41287Mechanical self brakingIndexing code0
- G05B 2219/41291Before switching relay, series semiconductor diminishes current to zeroIndexing code0
- G05B 2219/41299Pneumatic drive, pressure controlled bellow extensionIndexing code0
- G05B 2219/41308Bellow formed by for linear actuators, each pressure controlled by motorIndexing code0
- G05B 2219/41313Electro rheological fluid actuatorIndexing code0
- G05B 2219/41314Electro rheological valve controls cylinderIndexing code0
- G05B 2219/41323Permanent magnetic synchronous actuator, motorIndexing code0
- G05B 2219/41334Electrostatic levitatorIndexing code0
- G05B 2219/41341Ultrasonic motorIndexing code0
- G05B 2219/41347Piezo cycloid motorIndexing code0
- G05B 2219/413496-dof combined magnetic fluidic floating motion stage 100-micrometer cube rangeIndexing code0
- G05B 2219/41351Piezo impact force, rapid extension of small mass moves object a bitIndexing code0
- G05B 2219/41353Optical piezo electric element, light converted in movementIndexing code0
- G05B 2219/41399Reduced order estimatorIndexing code0
- G05B 2219/41404Hysteresis, bang bang feedback of velocityIndexing code0
- G05B 2219/41433Advance feedforward as function of delay rising torque, for large acceleration changesIndexing code0
- G05B 2219/41446Position reference acceleration ffw for torque compensationIndexing code0
- G05B 2219/41452Position reference ffw for speed error compensationIndexing code0
- G05B 2219/41454Zero phase error tracking controller zpecIndexing code0
- G05B 2219/41455Servo loop with absolute digital comparator, see figure se-oneIndexing code0
- G05B 2219/41456Servo loop with switch between difference of counter or absolute digital comparatorIndexing code0
- G05B 2219/41458Servo loop with phase counter and phase discriminator, see figure se-fourIndexing code0
- G05B 2219/41459Time counter and phase discriminatorIndexing code0
- G05B 2219/41462Servo loop with position and reference counter, see figure se-sevenIndexing code0
- G05B 2219/41464Servo loop with position decoder, see figure se-nineIndexing code0
- G05B 2219/41465Servo loop with phase comparator, see figure se-tenIndexing code0
- G05B 2219/41466Servo loop with oscillator, see figure se-elevenIndexing code0
- G05B 2219/41467Servo loop with coicindence detector, see figure se-thirteenIndexing code0
- G05B 2219/41468Servo loop with adder, see figure se-fourteenIndexing code0
- G05B 2219/41469Servo loop with counter, see figure se-fifteenIndexing code0
- G05B 2219/41471Servo loop with u-down counter, see figure se-sixteenIndexing code0
- G05B 2219/41473Servo loop with position and speed loop, problems of speed loopIndexing code0
- G05B 2219/41475Servo loop with absolute digital position sensor for continuous path controlIndexing code0
- G05B 2219/41476Servo loop with analog position sensorIndexing code0
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