Wang Yunzhong, Tohl Damian, Pham Anh Tran Tam, Tang Youhong
College of Science and Engineering, Flinders University, Adelaide, SA 5042, Australia.
Micromachines (Basel). 2024 Dec 16;15(12):1500. doi: 10.3390/mi15121500.
The development of low-frequency and low-amplitude wave energy harvesters has been limited by the lack of an affordable scientific evaluation platform, due to the high cost and land requirements of ground-based water channels. A 3D-printed modular wave generator, combined with the commercially available laboratory-sized wave channel, is proposed to address this. A stepper motor and an Arduino are employed as the driving source and controller. This system utilises motor parameters, such as rotational speed and number of travelled steps, to accurately control generated wave frequency and amplitude. By minimising costs and enhancing sustainability through 3D printing technology, only minor modifications are needed to adapt it to different water tank dimensions. The system can generate stable waves with frequencies from 1 Hz to 2 Hz and amplitudes from 1.5 cm to 7.1 cm under the current setting. The generated wave frequency and amplitude can be further customised by selecting faster stepper motors, as demonstrated in this study.
低频低幅波能采集器的发展一直受到缺乏经济实惠的科学评估平台的限制，这是因为地面水槽成本高昂且占地要求大。为此，提出了一种3D打印模块化波发生器，与市售的实验室规模的波道相结合。采用步进电机和Arduino作为驱动源和控制器。该系统利用电机参数，如转速和行进步数，来精确控制产生的波的频率和幅度。通过3D打印技术降低成本并提高可持续性，只需进行微小修改就能使其适应不同的水箱尺寸。在当前设置下，该系统能够产生频率为1赫兹至2赫兹、幅度为1.5厘米至7.1厘米的稳定波。如本研究所示，通过选择更快的步进电机，产生的波的频率和幅度可以进一步定制。
