sensorless current mode control
Realising robust low speed sensorless PMSM control using current derivatives obtained from standard current sensors
... sensored mode is selected to be ...limited current loop bandwidth caused by extended PWM pulse ...under sensorless speed control, the bandwidth of the speed controller is further reduced to be ...
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Robust Optimal Speed Tracking Control of a Current Sensorless Synchronous Reluctance Motor Drive using a New Sliding Mode Controller
... motion control of a current sensorless synchronous reluctance motor (SynRM), which can be specified by any desired speed ...The control scheme is a combination of conventional linear quadratic ...
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An Improved Performance of Sensorless PMSM Drive Control with Sliding Mode Observer in Low Speed Operation
... sliding mode observer for estimating the rotor position and speed of ...sliding mode observer for the estimation of back-EMF and thus the rotor position of PMSM in high-speed ...PI current ...
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A Robust Control Algorithm for Speed Sensorless Induction Motor Drive with SVPWM and Estimation
... ABSTRACT: Sensorless speed control of Induction Machine (IM) drives became a mature technology for a wide speed range because of their advantages like reduced hardware complexity, lower costs ...a ...
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Sensorless Control of a Switched Reluctance Motor by Using Sliding Mode Observer M Ravikanth & T Srinivas
... In recent years, the SRM (switched reluctance motor) has received considerable attention in variable speed drive applications. Its simple construction due to the absence of the magnets, rotor conductors, brushes, and ...
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Estimating current derivatives for sensorless motor drive applications
... based sensorless control under normal medium to high speed ...torque control mode by disabling the speed control ...A control block diagram illustrating the setup is given in ...
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Sensorless speed control of five phase PMSM drives with low current distortion
... Many control techniques has been adopted to control the multi-phase motor drives in sensored mode such as fuzzy logic control [13], predictive current control ...
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A Sensorless Current Controlled DC-DC Converter with Intelligent Control Technique
... A Boost Converter (step-up converter) is a power converter with an output DC voltage greater than its input DC voltage. It is a class of Switching-mode power supply (SMPS) containing at least two semiconductor ...
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Adaptive Sliding Mode MRAS Strategy for Sensorless Speed Control of SPIM Drives
... Conjointly, the SMC has been recognized as an appropriate technique for controlling nonlinear systems with uncertain dynamics, parameter variations and disturbances, thanks to its invariance and order reduction ...
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A Current-Based Output Feedback Sliding Mode Control for Speed Sensorless Induction Machine Drive Using Adaptive Sliding Mode Flux Observer
... speed sensorless and rotor flux control of three-phase induction motor (IM) ...linearization control and Sliding-Mode (SM) control, the rotor speed and rotor flux controllers are ...
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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 ...years, sensorless control methods have been used in the ...
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Study of Various Interleaved Boost Converter Controlling Techniques
... effective control method, has variable structure due to switching ...Sliding mode control techniques is totally free from disturbance and constraints and it can provide advantages such as stability ...
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ANFIS Back-EMF Observer for Improving Performance of Sensorless Brushless DC Motor Drive Challa Swathi 1, G. V. Marutheswar2
... hysteresis current controller is utilized for each stage current ...mill sensorless drive arrangement of the BLDC engine, the constrained arrangement of the rotor is the way setting an underlying ...
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Reduction of output common mode voltage using a novel SVM implementation in matrix converters for improved motor lifetime
... torque control, was presented in ...to control the ac machine, which completely avoids the CMV and claims to increase by up to 150% the operating region at constant ...
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The development of peak current mode control of buck converter
... inductor current eventually hits zero during the switch open state in discontinuous ...backward current flow, the diode will ...discontinuous mode of buck power stage converter and Figure ...
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Sensorless flux-weakening control of permanent-magnet brushless machines using third harmonic back EMF
... UMEROUS sensorless control techniques have been developed for brushless dc (BLDC) and brushless ac (BLAC) ...the current decay in the freewheeling diodes is greater than 30 electrical, since the zero ...
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Implementation of Intelligent Control Strategy for Boost Converter-Inverter for Hybrid Vehicle
... the control area with some application to power system ...logic control is built up by a group of rules based on the human knowledge of system ...the control rule set; a decision-making logic which, ...
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IMPROVED PERFORMANCE OF SPLIT CAPACITOR BASED DSTATCOM FOR SHUNT APPLICATION
... To mitigate the above mentioned power quality problems various generalized methods have been suggested in the literature. One of the important methods is by using custom power devices like Distribution static ...
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Current Mode Control of a Series LC Converter Supporting Constant-Current Constant-Voltage (CCCV)
... The loop gain analysis is conducted in simulation at an output voltage of 24 V and an amplitude of 0.1 V in CV mode. In Figure 12 a bandwidth of 1 kHz can be seen in the low acoustic noise design using a gain of ...
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Design of Boost Converter-Inverter with PWAM for Hybrid Vehicle using fuzzy logic controller
... CLOSED-LOOP CONTROL FOR BOOST CONVERTER A. Voltage-mode control for boost converter The voltage-mode closed-loop control for boost converter is using voltage feedback loop to compensate ...
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