Vector Control of Piezoelectric Transducers and Ultrasonic Actuators

Ghenna, Sofiane; Giraud, Frédéric; Giraud-Audine, Christophe; Amberg, Michel

doi:10.1109/tie.2017.2784350

Cited by 37 publications

(20 citation statements)

References 25 publications

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“…where is illustrated in (15) to (18), indicates the matching parameter to be determined, and , , and are the input variables.…”

Section: B Modeling Of the Matched Circuitmentioning

confidence: 99%

“…However, due to the existence of , the equivalent circuit of a PT is capacitive at , which reduces energy efficiency [14,15]. Special circuits, the so-called inductor-capacitor (LC) matching networks [16][17][18][19][20][21][22], which are made up of capacitors and inductors are often applied to remove the negative effect of .…”

Section: Introductionmentioning

confidence: 99%

“…As for the second mentioned problem, generally, there are two ways to solve it. One is by using the feedback control systems [15,[27][28][29][30]34] that maintain a constant output power or amplitude by a closed-loop (adaptive) voltage or current scaling [4]. The other is by adding the adjustable components [5,22,35].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

A High-Tolerance Matching Method Against Load Fluctuation for Ultrasonic Transducers

Wang

Jiajia

Duan

et al. 2020

IEEE Trans. Power Electron.

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Fluctuation of acoustic load significantly weakens the performance of ultrasonic system. To address this problem in a simple way, we consider the main input and output variables related to the ultrasonic transducer's performance and propose a detailed mathematical model based on the simplest LC matching network containing only one capacitor and one inductor. In this model, a new resonance frequency brought by matching components was found and defined. The optimum analysis method is used to solve the model, and a high-tolerance matching method against load fluctuation is obtained. Analysis indicates that when activated at the mechanical resonance frequency, the impedance and apparent power of the PT matched by the proposed method are constant no matter how the load changes, and thereby can significantly increase the stability and robustness of ultrasonic systems. For its simple structure and high performance, the proposed matching method can be widely applied in most ultrasonic systems. The tolerance of the proposed method against other environmental factors and high-order LC matching networks were also discussed. In addition, the feasibility and advantage of the proposed matching method are also verified by experiments.

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“…where is illustrated in (15) to (18), indicates the matching parameter to be determined, and , , and are the input variables.…”

Section: B Modeling Of the Matched Circuitmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

A High-Tolerance Matching Method Against Load Fluctuation for Ultrasonic Transducers

Wang

Jiajia

Duan

et al. 2020

IEEE Trans. Power Electron.

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show abstract

“…In order to explain the differences we observe with the two vibration modes, let us come back to the mechanical behavior of the plate. As it has been explained in [13], the dynamics of a device at resonance can be simplified as a second order model (1).…”

Section: Dynamic Model Of the Plate At No-load Conditionmentioning

confidence: 99%

Energy Analysis of Lateral vs. Normal Vibration Modes for Ultrasonic Surface Haptic Devices

Guzman

Lemaire‐Semail

Giraud

et al. 2020

Haptics: Science, Technology, Applications

Self Cite

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In this paper, we propose a new device in order to produce normal and lateral ultrasonic vibrations in a plate, using an array of piezoelectric ceramics. This setup serves to continue the comparative analysis between the two vibration modes for tactile feedback rendering, by including an energetic characterization. With the help of a tribological analysis, this study will help to examine the energy performance of each vibration mode in terms of active power consumption against friction contrast (which is linked to perception). Using a simplified second order plate model, the energetic results are analyzed. The results show a better energy efficiency for the lateral vibration for low exploration speeds. The tribological analysis helps as well to evaluate the effect of frequency increase in terms of friction reduction vs. vibration amplitude for both vibration modes.

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“…In order to avoid above-mentioned problems, several other RFT methods have been proposed in the literature that avoid tracking and rather track other characteristic frequency or value, such as tracking the parallel resonance frequency [13], the maximum power [5,20,23], the maximum admittance [24], or keep constant amplitude [16,[25][26][27][28]. These methods have achieved relatively good results.…”

Section: Introductionmentioning

confidence: 99%

A Novel Fast Resonance Frequency Tracking Method Based on the Admittance Circle for Ultrasonic Transducers

Wang

Jiajia

Duan

et al. 2020

IEEE Trans. Ind. Electron.

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For ultrasonic systems, the resonance frequency tracking (RFT) is the most critical step. The rapid development in advanced material processing and microelectronics package has increased the demand of high speed RFT. Therefore, this paper proposes a fast RFT (FRFT) method according to the characteristics of piezoelectric transducers' (PT) admittance circle. In the proposed method, the PT is driven at two different frequencies, and the PT's admittance is collected and calibrated. Then, the PT's mechanical resonance frequency is derived using the admittance information after calibration. The proposed method is not affected by the parallel capacitor and the matching circuit. Additionally, the optimal initial values of the involved parameters are determined in order to improve the accuracy of the proposed method. Furthermore, an improved method based on multiple tracking is also provided. Simulations and experiments demonstrate that using the proposed FRFT method, the ultrasonic system can track the resonance frequency in a short time with high accuracy.

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Vector Control of Piezoelectric Transducers and Ultrasonic Actuators

Cited by 37 publications

References 25 publications

A High-Tolerance Matching Method Against Load Fluctuation for Ultrasonic Transducers

A High-Tolerance Matching Method Against Load Fluctuation for Ultrasonic Transducers

Energy Analysis of Lateral vs. Normal Vibration Modes for Ultrasonic Surface Haptic Devices

A Novel Fast Resonance Frequency Tracking Method Based on the Admittance Circle for Ultrasonic Transducers

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