Reducing Noise and Impact of High-Frequency Torque Ripple Caused by Injection Voltages by Using Self-Regulating Random Model Algorithm for SynRMs Sensorless Speed Control
<p>The schematic diagram of the injection voltage of the <span class="html-italic">d</span>-axis.</p> "> Figure 2
<p>Configuration of adaptive speed estimator.</p> "> Figure 3
<p>PLL for calculating electrical angle.</p> "> Figure 4
<p>Using adaptive velocity estimator and PLL to obtain motor speed and electrical angle.</p> "> Figure 5
<p>The schematic diagram of the eight basic injection voltages and corresponding induced currents in <span class="html-italic">d</span>-axis. (<b>a</b>) <math display="inline"><semantics> <mrow> <mi>φ</mi> <mo>=</mo> <mn>0</mn> <mo>°</mo> </mrow> </semantics></math>. (<b>b</b>) <math display="inline"><semantics> <mrow> <mi>φ</mi> <mo>=</mo> <mn>45</mn> <mo>°</mo> </mrow> </semantics></math>. (<b>c</b>) <math display="inline"><semantics> <mrow> <mi>φ</mi> <mo>=</mo> <mn>90</mn> <mo>°</mo> </mrow> </semantics></math>. (<b>d</b>) <math display="inline"><semantics> <mrow> <mi>φ</mi> <mo>=</mo> <mn>135</mn> <mo>°</mo> </mrow> </semantics></math>. (<b>e</b>) <math display="inline"><semantics> <mrow> <mi>φ</mi> <mo>=</mo> <mn>180</mn> <mo>°</mo> </mrow> </semantics></math>. (<b>f</b>) <math display="inline"><semantics> <mrow> <mi>φ</mi> <mo>=</mo> <mn>225</mn> <mo>°</mo> </mrow> </semantics></math>. (<b>g</b>) <math display="inline"><semantics> <mrow> <mi>φ</mi> <mo>=</mo> <mn>270</mn> <mo>°</mo> </mrow> </semantics></math>. (<b>h</b>) <math display="inline"><semantics> <mrow> <mi>φ</mi> <mo>=</mo> <mn>315</mn> <mo>°</mo> </mrow> </semantics></math>.</p> "> Figure 6
<p>Reference diagram for calculating the impact of injected voltage on speed. (<b>a</b>) No.1. (<b>b</b>) No.2.</p> "> Figure 7
<p>The variation in SynRM <span class="html-italic">dq</span>-axis inductance due to saturation effect.</p> "> Figure 8
<p>The summed-up value of the speed bias of using RVIM according to <a href="#electronics-13-03327-t002" class="html-table">Table 2</a>.</p> "> Figure 9
<p>Overall diagram of self-regulating random model algorithm.</p> "> Figure 10
<p>Principle diagram of the quantity adaptive module.</p> "> Figure 11
<p>Update Model Module. (<b>a</b>) Overall logic diagram. (<b>b</b>) Schematic diagram of model state changes.</p> "> Figure 12
<p>Flowchart of using the self-regulating random model algorithm to output injection voltage.</p> "> Figure 13
<p>Block diagram of speed sensorless control system for SynRMs using self-regulating random model algorithm.</p> "> Figure 14
<p>PSD results of the induced current of three different control methods.</p> "> Figure 15
<p>Experimental platform display diagram.</p> "> Figure 16
<p>The output signal from quantity adaptive module and the number of active elements.</p> "> Figure 17
<p>The evaluation result value and the injection voltage number.</p> "> Figure 18
<p>Sampling results of current, speed, and torque during motor running at 100 rpm. (<b>a</b>) SRRMM with no load. (<b>b</b>) RVIM with no load. (<b>c</b>) SRRMM with 50% rated load. (<b>d</b>) RVIM with 50% rated load. (<b>e</b>) SRRMM with rated load. (<b>f</b>) RVIM with rated load.</p> "> Figure 19
<p>Sampling results of current and speed during motor start-up to 100 rpm. (<b>a</b>) SRRMM with no load. (<b>b</b>) RVIM with no load. (<b>c</b>) SRRMM with rated load. (<b>d</b>) RVIM with rated load.</p> "> Figure 20
<p>Sampling results of current and speed of the motor from −100 rpm to 100 rpm. (<b>a</b>) SRRMM with no load. (<b>b</b>) RVIM with no load. (<b>c</b>) SRRMM with rated load. (<b>d</b>) RVIM with rated load.</p> "> Figure 21
<p>Sampling results of current and speed during acceleration and deceleration of the motor between 100 rpm and 150 rpm. (<b>a</b>) SRRMM with no-load. (<b>b</b>) RVIM with no-load. (<b>c</b>) SRRMM with rated load. (<b>d</b>) RVIM with rated load.</p> "> Figure 22
<p>Collecting the noise level generated by the motor using Smart Sensor AS804B.</p> "> Figure 23
<p>Record of voltage injection times for each number.</p> "> Figure 24
<p>During steady state of the motor, phase current image, corresponding PSD calculation results, and Fourier transform results display diagram. (<b>a</b>) OVIM with 2.5 kHz injection voltage with no load. (<b>b</b>) OVIM with 1.25 kHz injection voltage with no load. (<b>c</b>) RVIM with no load. (<b>d</b>) SRRMM with no load. (<b>e</b>) OVIM with 2.5 kHz injection voltage with rated load. (<b>f</b>) OVIM with 1.25 kHz injection voltage with rated load. (<b>g</b>) RVIM with rated load. (<b>h</b>) SRRMM with rated load.</p> ">
Abstract
:1. Introduction
2. Random Square-Wave-Type Voltage Injection Sensorless Control Strategy for SynRMs
2.1. The Mathematical Model of a SynRM
2.2. Sensorless Control Based on Square-Wave-Type Voltage Injection
2.3. Random High-Frequency Square-Wave-Type Voltage Injection Method Description
3. Torque Ripple Analysis
3.1. The Torque Ripple Phenomenon Caused by Injected Voltage
3.2. Analysis of the Torque Ripple Phenomenon in SynRMs
4. Introduction of the Proposed Self-Regulating Random Model Algorithm
4.1. Operation Mode of the Self-Regulating Random Model Algorithm
4.2. Operation Mode of the Quantity Adaptive Module
4.3. Operation Mode of the Evaluation Module
4.4. Operation Mode of the Update Model Module
4.5. Sensorless Control Using Self-Regulating Random Model Algorithm
5. Analysis of PSD
6. Experimental Research
6.1. Validation of Self-Regulating Random Model Algorithm Performance
6.2. Reduction in Torque Ripple and Speed Fluctuation
6.3. Verification of Noise Reduction Effect Using SRRMM
7. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Number | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
Amplitude (V) | 15 | 30 | 15 | 30 | 15 | 30 | 60 | 30 | 60 | |||
Period (s) | ||||||||||||
Phase |
Speed Bias | −2 | −1 | 0 | 1 | 2 |
Number | 5 | 4, 6, 11 | 3, 7, 10, 12 | 2, 8, 9 | 1 |
Parameter | Value |
---|---|
Pole Pairs | 2 |
Resistance | |
Rated Current | 12.5 A |
Rated Voltage | 380 V |
D-Axis Inductance | 43.9 mH |
Q-Axis Inductance | 22.1 mH |
Load State | No Load | Rated Load |
---|---|---|
OVIM (2.5 kHz) | 76.3 dB | 76.7 dB |
OVIM(1.25 kHz) | 76.5 dB | 77.1 dB |
RVIM | 71.2 dB | 71.4 dB |
SRRMM | 70.9 dB | 70.9 dB |
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Guo, Y.; Pan, L.; Yang, Y.; Gong, Y.; Che, X. Reducing Noise and Impact of High-Frequency Torque Ripple Caused by Injection Voltages by Using Self-Regulating Random Model Algorithm for SynRMs Sensorless Speed Control. Electronics 2024, 13, 3327. https://doi.org/10.3390/electronics13163327
Guo Y, Pan L, Yang Y, Gong Y, Che X. Reducing Noise and Impact of High-Frequency Torque Ripple Caused by Injection Voltages by Using Self-Regulating Random Model Algorithm for SynRMs Sensorless Speed Control. Electronics. 2024; 13(16):3327. https://doi.org/10.3390/electronics13163327
Chicago/Turabian StyleGuo, Yibo, Lingyun Pan, Yang Yang, Yimin Gong, and Xiaolei Che. 2024. "Reducing Noise and Impact of High-Frequency Torque Ripple Caused by Injection Voltages by Using Self-Regulating Random Model Algorithm for SynRMs Sensorless Speed Control" Electronics 13, no. 16: 3327. https://doi.org/10.3390/electronics13163327