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Uncertainty and disturbance estimator based control

Uncertainty and Disturbance Estimator based Control of Active Suspensions with a Hydraulic Actuator

Uncertainty and Disturbance Estimator based Control of Active Suspensions with a Hydraulic Actuator

... robust control method is ...offered based on sky-hook damper at first, and then the Uncertainty and Disturbance Estimator (UDE) control approach is used to get desired fictitious ...

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Sliding Mode Control for Flexible Joint using Uncertainty and Disturbance Estimation

Sliding Mode Control for Flexible Joint using Uncertainty and Disturbance Estimation

... mode control based on uncertainty and disturbance estimator (UDE), for trajectory tracking control of flexible joint robotic ...plant uncertainty and ...plant ...

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Online Full Text

Online Full Text

... robust control strategy for design of robust model following sliding mode load frequency controller for single area power system based on un- certainty and disturbance estimator (UDE) has been ...

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Uncertainty and Disturbance Estimator-Based Controller Equipped With a Time-Delayed Filter to Improve the Voltage Quality of Inverters

Uncertainty and Disturbance Estimator-Based Controller Equipped With a Time-Delayed Filter to Improve the Voltage Quality of Inverters

... two-degrees-of-freedom control structure is proposed to minimize both total harmonic distortion and tracking error of inverter output voltage, adopting a resonant tracking controller and a modified ...

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Composite hierarchical pitch angle control for a tidal turbine based on the uncertainty and disturbance estimator

Composite hierarchical pitch angle control for a tidal turbine based on the uncertainty and disturbance estimator

... UDE based pitch control scheme is then designed. The UDE control has been successfully applied to a wide class of linear, nonlinear uncertain systems and is easy to be implemented and tuned while ...

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Model Based Adaptive Control and Disturbance Compensation for Underwater Vehicles

Model Based Adaptive Control and Disturbance Compensation for Underwater Vehicles

... integral control loop based on vertical plane modeling, which improves the transient response and eliminates steady-state depth ...controller based on disturbances and a vehicle shape filter, which ...

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Disturbance Observer-Based Motion Control Of Direct Drive Motors

Disturbance Observer-Based Motion Control Of Direct Drive Motors

... Nowadays, the use of direct drive system is increasing in industrial, such as robots arm, machine tools, chip mounters, semiconductor manufacturing system, trucked drilling machine and so on. In direct drive system, ...

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Trajectory tracking control of agricultural vehicles based on disturbance test

Trajectory tracking control of agricultural vehicles based on disturbance test

... a disturbance for the system. The lateral deviation disturbance is injected at node ...the disturbance increases, the tracking deviation and the adjustment time also ...the disturbance occurs, ...

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An approach to represent time series forecasting via fuzzy numbers

An approach to represent time series forecasting via fuzzy numbers

... of uncertainty and (ii) no indication of accuracy of point forecasts is ...are based on estimates of the distribution ...likely uncertainty in the point ...of uncertainty associated with the ...

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Uncertainty relations: An operational approach to the error-disturbance  tradeoff

Uncertainty relations: An operational approach to the error-disturbance tradeoff

... and disturbance in an operational manner and ask for uncertainty relations that are state- ments about the properties of measurement devices, not of fixed experimental setups or of physical quantities ...

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Online Full Text

Online Full Text

... new control scheme, first introduced by Kikuuwe and Fujimoto in ...PID-type control action to maintain its length as ...mode control that exerts a control torque T θp ...

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Fractional-Order Filter Design for Set-point Weighted PID Controlled Unstable Systems

Fractional-Order Filter Design for Set-point Weighted PID Controlled Unstable Systems

... The numerical assessment of rise time (s), settling time (s) after the disturbance and overshoot (%) for non-filtered and filtered control signal of SWPID controller is given in Table. II. From the table, ...

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On estimating a slope and intercept in a nonparametric statistics course

On estimating a slope and intercept in a nonparametric statistics course

... pairwise averages of residuals based on Theil's estimator provides.. an attractive estimator of the intercept.[r] ...

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Control Study of Precision Giant Magnetostrictive Actuator Based on Active Disturbance Rejection Control Technology

Control Study of Precision Giant Magnetostrictive Actuator Based on Active Disturbance Rejection Control Technology

... of control simulation on the actuator system are shown in ...the control effect is the same as that of the reference object and much better than the traditional PID control, indicating the ...

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MODELING INVASION BY Allocasuarina huegeliana IN KWONGAN HEATHLAND AND ITS MANAGEMENT IMPLICATIONS

MODELING INVASION BY Allocasuarina huegeliana IN KWONGAN HEATHLAND AND ITS MANAGEMENT IMPLICATIONS

... The A. huegeliana population model was coded in R and is an individual-based matrix model. A single cell has three possible states: absence of A. huegeliana, presence of A. huegeliana seedling, or presence of A. ...

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Adjustment of the Auxiliary Variable(s) for Estimation of a Finite Population Mean

Adjustment of the Auxiliary Variable(s) for Estimation of a Finite Population Mean

... m K under the varying weights of the proposed estimator with the r C 1 under its varying weights. Also following the convention by many researchers like Rao and Webster (1966) we have taken Y 6 across all the ...

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AN Adaptive Neuro Fuzzy Inference System Control For A Bearingless Induction Motor Based On A Disturbance Observer

AN Adaptive Neuro Fuzzy Inference System Control For A Bearingless Induction Motor Based On A Disturbance Observer

... The scheme status variables in first order and the SM on-off capacity |s| are presented by the arriving rule. The approach velocity is connected with distance from stability point between the state components and the ...

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Is there a single best estimator? Selection of home range estimators using area-under-the-curve

Is there a single best estimator? Selection of home range estimators using area-under-the-curve

... categorized based on habitat types that vary longitudinally in the ratio of marsh/swamps to upland and wetland forests moving from the southern to the northern portion of the breeding range of ...

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Managing uncertainty in sound based control for an autonomous helicopter

Managing uncertainty in sound based control for an autonomous helicopter

... stable control. We proposed a sound based supervised method to localise the indoor helicopter and extract meaningful information to en- able the helicopter to further stabilise its flight and correct its ...

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Attitude Control using a Disturbance Observer Based Controller

Attitude Control using a Disturbance Observer Based Controller

... Optimal Control Theory (LQR) is the most important and most comprehensive of a class of optimization based synthesis problem to obtain the performance index function by not only taking into account the ...

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