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| 1 | Effects of Driving Mode on the Performance of Multiple-Chamber Piezoelectric Pumps with Multiple Actuators显示文摘Due to the limited output capability of piezoelectric diaphragm pumps, the driving voltage is frequently increased to obtain the desired output. However, the excessive voltage application may lead to a large deformation in the piezoelectric ceramics, which could cause it to breakdown or become damaged. Therefore, increasing the number of chambers to obtain the desired output is proposed. Using a check-valve quintuple-chamber pump with quintuple piezoelectric actuators, the characteristics of the pump under different driving modes are investigated through experiments. By changing the number and connection mode of working actuators, pump performances in terms of flow rate and backpressure are tested at a voltage of 150 V with a frequency range of 60 Hz ?400 Hz. Experiment results indicate that the properties of the multiple-chamber pump change significantly with distinct working chambers even though the number of pumping chambers is the same. Pump performance declines as the distance between the working actuators increases. Moreover, pump performance declines dramatically when the working piezoelectric actuator closest to the outlet is involved. The maximum backpressures of the pump with triple, quadruple, and quintuple actuators are increased by 39%, 83%, and 128%, respectively, compared with the pump with double working actuators; the corresponding maximum flow rates of the pumps are simply increased by 25.9%, 49.2%, and 67.8%, respectively. The proposed research offers practical guidance for the effective utilization of the multiple-chamber pumps under different driving modes. | ZHANG Zhonghua KAN Junwu WANG Shuyun WANG Hongyun MA Jijie JIANG Yonghua | 2015 | Chinese Journal of Mechanical Engineering2015，28，5： | 3 |
| 2 | Develo1merit of serial-connection piezoelectric pumps 显示文摘 | Kan Junwu Tang Kehong Liu Guojun | 2008 | Sen- sors and Actuators A2008，144，2： | 1 |
| 3 | Design and test of a high performance piezoelectric micropump for drug delivery显示文摘 | Kan Junwu Yang Zhigang Pang Taijiang | 2005 | Sensors and Actuators A2005，121，1： | 1 |
| 4 | Design and test of a high-performance piezoelectric micropump for drug delivery显示文摘 | Kan Junwu Yang Zhigang Peng Taijiang Cheng Guangming Wu Boda | 2004 | Sensors & Actuators: A Physical2004，，1： | 1 |
| 5 | Development of serial-connection piezoelectric pumps显示文摘 | Junwu Kan Kehong Tang Guojun Liu | 2008 | Sensors and Actuators A: Physical2008，144，2： | 1 |
| 6 | Study on a piezohydraulic pump for linear actuators 显示文摘 | Kan Junwu Tang Kehong Ren Yu | 2009 | Sensors and Actuators A: Physical2009，149，2： | 1 |
| 7 | Design and test of a high performance piezoelectric micropump for drug delivery 显示文摘 | Kan Junwu Yang Zhigang Peng Taijiang | 2005 | Sensors and Actuators A: Physical2005，121，1： | 1 |
| 8 | Study on a piezo- hydraulic pump for linear actuators 显示文摘 | Kan Junwu Tang Kehong Ren Yu | 2009 | Sensors and Actua- tors A: Physical2009，149，2： | 1 |
| 9 | Development of serial-connection piezoelectric pumps显示文摘 | Kan Junwu Tang Kehong Liu Guojun | | 0，，： | 1 |
| 10 | Perfor-mance investigation on ultrasonic levitation axial bear-ing for flywheel storage system显示文摘 | Peng Taijiang Yang Zhigang Kan Junwu | 2009 | Frontiers of Me-chanical Engineering in China2009，，4： | 1 |
| 11 | Study on a piezohydraulic pump for linear actuators 显示文摘 | Kan Junwu Tang Kehong Ren Yu | 2009 | Sensors and Actuators A : Physical2009，149，： | 1 |
| 12 | Develop- ment of serial-connection piezoelectric pumps 显示文摘 | Kan Junwu Tang Kehong Liu Guojun | 2008 | Sensors and Actuators2008，144，2： | 1 |
| 13 | Develop- ment of serial-connection piezoelectric pumps 显示文摘 | Kan Junwu Tang Kehong Liu Guojun | 2008 | Sen- sors and Actuators A: Physical2008，144，2： | 1 |
| 14 | A Novel Bionic Piezoelectric Actuator Based on the Walrus Motion显示文摘A novel bionic piezoelectric actuator based on the walrus motion to achieve high performance on large working stroke for micro/nano positioning systems is first proposed in this study.The structure of the proposed walrus type piezoelectric actuator is described,and its motion principle is presented in details.An experimental system is set up to verify its feasibility and explore its working performances.Experimental results indicate that the proposed walrus type piezoelectric actuator could realize large working stroke with only one driving unit and one coupled clamping unit;the maximum stepping displacement isΔL max=19.5μm in the case that the frequency f=1 Hz and the voltage U=120 V;the maximum speed V max=2275.2μm·s^(-1) when the frequency f=900 Hz and the voltage U=120 V;the maximum vertical load m max=350 g while the voltage U=120 V and the frequency f=1 Hz.This study shows the feasibility of mimicking the bionic motion of the real walrus animal to the design of piezoelectric actuators,which is hopeful for the real application of micro/nano positioning systems to achieve large working stroke and high performance. | Jianping Li Junjie Cai Nen Wan Yili Hu Jianming Wen Junwu Kan Song Chen Hongwei Zhao | 2021 | Journal of Bionic Engineering2021，18，5： | 1 |
| 15 | Development of serial-connection piezoelectric pumps 显示文摘 | Kan Junwu Tang Kehong Liu Guojun | 2008 | Sensors and Actuators2008，144，2： | 1 |
| 16 | Design and Test of a High-Performance Piezoelectric Micropump for Drug Delivery显示文摘 | Kan Junwu Yang Zhigang Peng Taijiang | 2005 | Sensors and Actuators2005，121，： | 1 |
| 17 | Flow rate self-sensing of a pump with double piezoelectric actuators显示文摘 | ZHANG Zhonghua KAN Junwu WANG Shuyun | 2013 | Mechanical Systems and Signal Processing2013，41，12： | 1 |
| 18 | Performance Investigation on Ultrasonic Levitation Axial Bearing for Flywheel Storage System显示文摘 | Peng Taijiang Yang Zhigang Kan Junwu | 2009 | Frontiers of Mechanical Engineering in China2009，4，： | 1 |
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