自适应双稳态浮子式波浪能发电装置在不规则波中的参数控制

doi:10.16183/j.cnki.jsjtu.2023.309

上海交通大学学报 ›› 2025, Vol. 59 ›› Issue (3): 293-302.doi: 10.16183/j.cnki.jsjtu.2023.309

• 新型电力系统与综合能源 • 下一篇

自适应双稳态浮子式波浪能发电装置在不规则波中的参数控制

李扬, 张显涛(), 肖龙飞

上海交通大学海洋工程国家重点实验室,上海 200240

收稿日期:2023-07-10 修回日期:2023-09-05 接受日期:2023-09-08 出版日期:2025-03-28 发布日期:2025-04-02
通讯作者: 张显涛,副教授,博士生导师,电话(Tel.): 021-34207238; E-mail: zhxt@sjtu.edu.cn.
作者简介:李扬(1989—),博士生,现主要从事海洋波浪能装备研究.
基金资助:
国家自然科学基金(42206227)

Parameter Control of Adaptive Bistable Point Absorber Wave Energy Converter in Irregular Waves

LI Yang, ZHANG Xiantao(), XIAO Longfei

State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

Received:2023-07-10 Revised:2023-09-05 Accepted:2023-09-08 Online:2025-03-28 Published:2025-04-02

摘要/Abstract

摘要：

自适应双稳态浮子式波浪能发电装置虽然解决了双稳态系统在入射波的振幅较小时可能难以跨越势垒的问题,但其效率仍有提升空间.既往研究已证实装置参数改变会对装置性能造成较大影响,而且最优装置参数均与此时的谱峰频率有较大关联.因此,对装置进行控制研究时,在假定一段时间内谱峰频率可预测的前提下设计控制方案,相应调节装置参数可实现提高效率的目的.选取3个控制参数,通过仿真计算确定不同谱峰频率下最优装置参数库;然后,在仿真计算程序中加入控制模块,利用插值法对参数进行控制.结果表明:施加可变参数控制的装置可获得更好的能量捕获效率.

关键词: 波浪能, 自适应双稳态, 能量捕获性能, 不规则波, 参数控制

Abstract:

Although the adaptive bistable wave energy generation device solves the problem that the bistable system may be difficult to cross the barrier when the amplitude of the incident wave is small, its efficiency can still be improved. Previous studies have proved that the change of the parameters of the device will have a great impact on its performance, and the optimal device parameters are closely related to the spectral peak frequency at a given time. Therefore, in the control study of the device, a control scheme is designed and the device parameters are adjusted accordingly in order to improve efficiency assuming that the peak frequency within a period of time is predictable. In this study, three control parameters are selected, and the optimal device parameter library with different spectral peak frequencies is determined by simulation calculation. The control module is then added to the simulation program to control the parameters by interpolation. The results show that the device with variable parameter control improves energy capture efficiency.

Key words: wave energy, adaptive bistable, power capture performance, irregular waves, parameter control

中图分类号:

TM612
P743.2

李扬, 张显涛, 肖龙飞. 自适应双稳态浮子式波浪能发电装置在不规则波中的参数控制[J]. 上海交通大学学报, 2025, 59(3): 293-302.

LI Yang, ZHANG Xiantao, XIAO Longfei. Parameter Control of Adaptive Bistable Point Absorber Wave Energy Converter in Irregular Waves[J]. Journal of Shanghai Jiao Tong University, 2025, 59(3): 293-302.

图/表 18

图1

图2

图3

图4

图5

图6

图7

图8

图9

图10

图11

图12

图13

表1

添加γ*控制模块时部分谱峰频率下 ω p *预测偏差对平均功率的影响

预测偏差	$ω_{p}^{}$ $ω p $ =0.4	$ω_{p}^{}$ $ω p $ =0.5	$ω_{p}^{}$ $ω p $ =0.6	$ω_{p}^{}$ $ω p $ =0.7	$ω_{p}^{}$ $ω p $ =0.8
偏大10%	13.5	22.5	1.8	-5.9	-0.2
偏大20%	-4.2	4.3	-14.1	-21.3	-1.0
偏小10%	9.4	14.6	-28.1	-8.1	-10.4
偏小20%	3.4	-2.0	-17.4	-34.6	-28.3

表1

图14

表2

添加 l 0 *控制模块时部分谱峰频率下 ω p *预测偏差对平均功率的影响

预测偏差	$ω_{p}^{}$ $ω p $ =0.4	$ω_{p}^{}$ $ω p $ =0.5	$ω_{p}^{}$ $ω p $ =0.6	$ω_{p}^{}$ $ω p $ =0.7	$ω_{p}^{}$ $ω p $ =0.8
偏大10%	-3.6	-4.0	-19.4	-11.9	2.5
偏大20%	-7.4	-9.4	-18.3	-20.4	-2.1
偏小10%	0.4	5.3	-4.4	-18.0	-12.0
偏小20%	1.6	0.1	-11.6	-22.9	-35.6

表2

图15

表3

添加 K 1 *控制模块时部分谱峰频率下 ω p *预测偏差对平均功率的影响

预测偏差	$ω_{p}^{}$ $ω p $ =0.3	$ω_{p}^{}$ $ω p $ =0.4	$ω_{p}^{}$ $ω p $ =0.5	$ω_{p}^{}$ $ω p $ =0.6	$ω_{p}^{}$ $ω p $ =0.7
偏大10%	-26.5	-1.2	-10.1	-17.5	-4.2
偏大20%	-16.6	-12.5	-0.7	-27.5	-4.1
偏小10%	-19.2	-13.9	-4.4	-3.3	-16.0
偏小20%	-12.0	-17.7	-25.4	-55.5	-52.0

表3

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自适应双稳态浮子式波浪能发电装置在不规则波中的参数控制

Parameter Control of Adaptive Bistable Point Absorber Wave Energy Converter in Irregular Waves

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