A Highly Effective Load Adaptive Servo Drive System for Speed Control of Travelling-Wave Ultrasonic Motor

Bal, Güngör; Bekiroğlu, Erdal

doi:10.1109/tpel.2005.854038

Cited by 24 publications

(11 citation statements)

References 22 publications

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“…Value of the feedback voltage (V s ) of the USR60 is proportional to the motor speed. This relationship has been discussed in detail in previous studies [3,14]. This value has been directed with an electronic circuit and used for actual speed and position signals.…”

Section: Resultsmentioning

confidence: 99%

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Microcontroller-based full control of ultrasonic motor with frequency and voltage adjusting

Bekiroğlu¹

2008

Sensors and Actuators A: Physical

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Section: Resultsmentioning

confidence: 99%

“…For this reason a serial or parallel inductance is connected with each phase of the USM to provide resonant frequency. The drive system of two-phase high-frequency voltage-fed serial-resonant inverter of the USM generally includes pulse width modulation (PWM), pulse frequency modulation (PFM), and hybrid (PWM/PFM) control techniques [3].…”

Section: Introductionmentioning

confidence: 99%

Microcontroller-based full control of ultrasonic motor with frequency and voltage adjusting

Bekiroğlu¹

2008

Sensors and Actuators A: Physical

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“…Clock-wise (CW) and counter clock-wise (CCW) inputs provide direction control signals. In practice, the driving frequency is set to higher than resonant frequency of mechanical vibration system due to basic operating characteristics of USM [39]. Figure 5 shows waveforms of these output voltages with the frequency of 41.74 kHz, which is equal to switching signal frequency.…”

Section: Drive Systems Of the Ultrasonic Motorsmentioning

confidence: 99%

Ultrasonic motors: Their models, drives, controls and applications

Bekiroğlu

2007

J Electroceram

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In the last decades piezoelectrically driven ultrasonic motors have become alternative actuators to the conventional electromagnetic motors especially for precise and accurate servo positioning applications. Different types of ultrasonic motors have been constructed and manufactured. Several drive systems have been designed, implemented and proposed for these motors. A variety of control techniques have been applied to them. The research given in this study covers bases of the ultrasonic motors. Theoretical background, modeling, drive systems, control techniques and applications of the ultrasonic motors have been introduced. Firstly, the general overview has been given. Then, modeling studies focused on performance estimation and analysis of ultrasonic motors have been examined. Afterwards, drive systems and control techniques of ultrasonic motors have been investigated. Furthermore, an example drive and control system has been presented. This drive system has been designed as to be controlled digitally. In addition, the important industrial and research applications of these motors have been included. The presented study has been arranged as a review of ultrasonic motors. The important points of specifications, models, drive systems and control methods of the ultrasonic motors have been emphasized.

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“…A highly effective load adaptive servo system of speed control of TWUSM is realized by Bal et a/. [6] using digital signal processor. The variations in the speed characteristics of the TWUSM are obtained in [6].…”

Section: Introductionmentioning

confidence: 99%

A novel microcontroller based speed control method employing current controller for TWUSM

Gencer¹

2013

2013 3rd International Conference on Electric Power and Energy Conversion Systems

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The relation between rotor speed of the Travelling wave ultrasonic motor (TWUSM) and current drawn by TWUSM is not linear for the TWUSM under different loads. In order to solve this nonlinearities and variation problems of TWUSM, PI controller, current controller, frequency controller and phase difference controller are proposed and implemented.The proposed system evaluates the steady-state performance of TWUSM drive system by using PI controller and current controller. Additionally, in the proposed TWUSM drive system, LC parasitic resonance impedance are added in order to obtain same peak voltage values under different loads by using frequency controller and phase difference controller.Experimental results of the proposed technique are analyzed and presented.

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A Highly Effective Load Adaptive Servo Drive System for Speed Control of Travelling-Wave Ultrasonic Motor

Cited by 24 publications

References 22 publications

Microcontroller-based full control of ultrasonic motor with frequency and voltage adjusting

Microcontroller-based full control of ultrasonic motor with frequency and voltage adjusting

Ultrasonic motors: Their models, drives, controls and applications

A novel microcontroller based speed control method employing current controller for TWUSM

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