Oxygen uptake response to switching stairs exercise by non-parametric modeling

被引：0

作者：

Yu, Hairong ^{[1
,2
]}

Zhang, Chenyu ^{[3
]}

Cao, Kai ^{[4
]}

Alqudah, Hamzah M. ^{[4
]}

Weidong Su, Steven ^{[3
,4
]}

机构：

[1] Southeast Univ, Key Lab Child Dev & Learning Sci, Minist Educ, Nanjing 210096, Jiangsu, Peoples R China

[2] Southeast Univ, Sch Biol Sci & Med Engn, Nanjing 210096, Jiangsu, Peoples R China

[3] Shandong First Med Univ, Shandong Acad Med Sci, Coll Artificial Intelligence & Big Data Med Sci, Jinan 250117, Shandong, Peoples R China

[4] Univ Technol Sydney, Fac Engn & Informat Technol, Ultimo, NSW 2007, Australia

来源：

CONTROL THEORY AND TECHNOLOGY | 2024年 / 22卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Non-parametric modeling; Interval stair training exercise; Kernel method; Cardiorespiratory response; Oxygen uptake; HEART-RATE-VARIABILITY; SYSTEM-IDENTIFICATION; APPROXIMATE ENTROPY; AEROBIC EXERCISE; ENERGY-COST; PULMONARY; SELECTION; ACCURACY; KINETICS;

D O I：

10.1007/s11768-023-00188-1

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Oxygen uptake plays a crucial role in the evaluation of endurance performance during exercise and is extensively utilized for metabolic assessment. This study records the oxygen uptake during the exercise phase (i.e., ascending or descending) of the stair exercise, utilizing an experimental dataset that includes ten participants and covers various exercise periods. Based on the designed experiment protocol, a non-parametric modeling method with kernel-based regularization is generally applied to estimate the oxygen uptake changes during the switching stairs exercise, which closely resembles daily life activities. The modeling results indicate the effectiveness of the non-parametric modeling approach when compared to fixed-order models in terms of accuracy, stability, and compatibility. The influence of exercise duration on estimated fitness reveals that the model of the phase-oxygen uptake system is not time-invariant related to respiratory metabolism regulation and muscle fatigue. Consequently, it allows us to study the humans' conversion mechanism at different metabolic rates and facilitates the standardization and development of exercise prescriptions.

引用

页码：56 / 68

页数：13

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