sliding mode current observer
Position Sensorless Control of a Permanent Magnet Stepping Motor Based on Sliding Mode Observer
... In order to apply a PD control to eliminate the position oscillations, we propose to simplify the mathematical model of the studied stepping motor by considering a current control. For such case, the electrical ...
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Analysis of Sliding Mode Observer based SVPWM Inverter Fed BLDC Motor
... Voltage source inverter, is an electronic device or circuitry that changes direct current (DC) to alternating current (AC). The input voltage, output voltage, frequency, and overall power handling depends ...
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Influence of Constant Values and Motor Parameters Deviations on the Performance of the Adaptive Slidingmode Observer in a Sensorless Induction Motor Drive
... sensorless mode, the speed information is not available by direct measurement and in our case it must be estimated by the modified sliding-mode ...and observer were all programmed in the DSP ...
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Real Time Implementation of an Improved Hybrid Fuzzy Sliding Mode Observer Estimator
... forward path an analog proportional servo amplifier and the dc servomotor actuator as a controlled plant. In the feedback path is integrated an analog tachometer transducer, three anti-aliasing filters (AFs), three ...
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Control of a Dc Motor using Sensorless Observer Based Sliding Mode Control Method
... Direct current (DC) motors are used frequently because of their features such as cost, ease of control, long life and quiet operation. DC motors for robotics, defense industry and automotive applications etc. are ...
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RESEARCH ON INDUSTRIAL ROBOT SERVO MOTOR CONTROLLING SPEED SENSORLESS ALGORITHM
... structure sliding mode observer for extended state of permanent magnet synchronous motor is ...adaptive sliding mode observer is constructed with stator current and half ...
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Fault detection for modular multilevel converters based on sliding mode observer
... output current trajectory using Park’s Vector [8] [9] or comparison of the actual AC voltage and the reference quantity [10] are however not suitable for a MMC, as there is not enough information present to locate ...
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An Improved Performance of Sensorless PMSM Drive Control with Sliding Mode Observer in Low Speed Operation
... investigated sliding mode observer for estimating the rotor position and speed of ...an observer was designed to undertake the filtering task for the estimated ...the observer has the ...
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Observer based sliding mode synchronization for a class of fractional order chaotic neural networks
... investigate observer-based sliding mode syn- chronization of ...of observer. Although observer design for integer-order neural networks has been well studied, most of the current ...
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A Current-Based Output Feedback Sliding Mode Control for Speed Sensorless Induction Machine Drive Using Adaptive Sliding Mode Flux Observer
... In [12], a good review on neutral point dc control is done and active, passive and hysteresis control methods are compared. Passive control, where the positive and negative small vectors are selected alternatively in ...
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Sensorless Control of a Switched Reluctance Motor by Using Sliding Mode Observer M Ravikanth & T Srinivas
... phase current and torque with considering the nonlinearity of the ...A sliding mode observer for sensor less of a SRMis ...and current responses under different operating ...
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Nonlinear Control of an Induction Motor Using a Reduced Order Extended Sliding Mode Observer for Rotor Flux and Speed Sensorless Estimation
... In order to implement the reduced-order ESMO algo- rithm in a DSP for real-time applications, the corre- sponding reduced-dimension state space equation de- fined in (12) must be discretized using Euler approxima- tion ...
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Improved Sliding Mode Observer for Position Sensorless Open-Winding Permanent Magnet Brushless Motor Drives
... In [14], a revised repetitive controller is proposed to suppress the dead-time distortion, and the estimation error can be reduced. However, it only eliminates the harmonics resulting from the inverter nonlinearities. In ...
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Second Order Sliding Mode Observer-Based Control for Uncertain Nonlinear MEMS Optical Switch
... order sliding mode controller (FOSMC) is proposed for the nonlinear uncertain ...traditional sliding mode theory, the system state satisfies the dynamic equation that governs the ...
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Modeling, Analysis and Control of Active Suspension System using Sliding Mode Control and Disturbance Observer
... improved sliding mode control with an observer design. The sliding mode is chosen as a control strategy, and the road profile is estimated by using an observer ...a ...
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EFFECT OF FATIGUE ON SSVEP DURING VIRTUAL WHEELCHAIR NAVIGATION
... sensorless sliding mode control (SMC) of induction motor (IM). The sliding mode control is a powerful tool to reject ...Luenberger observer based on fuzzy logic adaptation mechanism is ...
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A Study of Advanced Modern Control Techniques Applied to a Twin Rotor MIMO System
... [32]. Sliding Mode Observers have also been implemented but again they are even more complicated ...Luenberger observer to nonlinear systems ...Luenberger observer proved ...
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Second-Order Hierarchical Fast Terminal Sliding Model Control for a Class of Underactuated Systems Using Disturbance Observer
... terminal sliding mode control scheme based on disturbance observer is proposed for a class of fourth-order underactuated mechanical ...of sliding mode controller are designed by using ...
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Observer-Based Adaptive Fuzzy Sliding Mode Control for Switched Uncertain Nonlinear Systems with Dead-Zone Input
... Owing to the unavailable states of the system and the unavailable elements of the output error vector in many practical systems, the fuzzy logic systems (12) and (13) are not used to control nonlinear systems whose ...
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Position control of robotic manipulator using SMC under uncertainties
... The paper is organized in the following sections. The dynamics of robot manipulator is given in section 2. In section 3, control techniques such as PID, sliding mode control with signum function, with ...
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