基于工质饱和蒸汽压的排尿助力系统建模仿真

doi:10.16182/j.issn1004731x.joss.19-0624

系统仿真学报 ›› 2021, Vol. 33 ›› Issue (4): 927-934.doi: 10.16182/j.issn1004731x.joss.19-0624

基于工质饱和蒸汽压的排尿助力系统建模仿真

李笑¹, 李树¹, 彭伟鸿¹, 关婷²

1.广东工业大学机电工程学院,广东广州 510006;
2.中国人民解放军南部战区总医院,广东广州 510010

收稿日期:2019-11-29 修回日期:2020-02-25 出版日期:2021-04-18 发布日期:2021-04-14
作者简介:李笑(1962-),男,博士,教授,研究方向为机电液智能控制与应用、生物医学器械研究等。E-mail：lixiao@gdut.edu.cn
基金资助:
国家自然科学基金(51175089); 广东省自然科学基金(S2013010014018)

Modeling and Simulation of Urination Assist System Based on Working Medium Saturated Vapor Pressure

Li Xiao¹, Li Shu¹, Peng Weihong¹, Guan Ting²

1. School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China;
2. General Hospital of the Southern Theater Command of the Chinese People's Liberation Army, Guangzhou 510010, China

Received:2019-11-29 Revised:2020-02-25 Online:2021-04-18 Published:2021-04-14

摘要/Abstract

摘要： 为分析设计超声汽化蒸汽驱动的排尿助力系统,建立了驱动囊仿真模型、工质饱和蒸汽压数学模型和膀胱压与尿流率数学模型,搭建模拟实验系统验证了模型的有效性,并依此仿真分析了辐射时间、声强对工质温度和驱动压的影响规律。结果表明：工质温度、驱动压与超声波的辐射时间和声强有关,延长辐射时间和增大声强均能提高工质温度和驱动压,在常规超声理疗剂量下,最大尿流率接近正常人体尿动力学参数。所建立的仿真模型与数学模型有效实用,可为排尿助力系统的动物与临床试验系统设计提供理论指导。

关键词: 排尿助力系统, 超声波, 饱和蒸汽压, 仿真模型, 数学模型

Abstract: To design and analyze the urination assist system driven by ultrasonic-vaporized steam, a simulation model of the driving capsule and three mathematical models of working medium saturated vapor pressure, bladder pressure and urine flow are established. The simulation experiment system is built to verify the model. The effects of radiation time and sound intensity on the working medium temperature and driving pressure are simulated and analyzed. The results show that the working medium temperature and driving pressure are related to the radiation time and sound intensity. Prolonging radiation time and increasing sound intensity can increase the working medium temperature and driving pressure. In addition, under the conventional ultrasound physical therapy dose, the maximum urinary flow is close to the normal human urodynamic parameters. The simulation model and mathematical model are effective and practical, and can provide the theoretical reference to the designs of animal and clinical trials systems of the urination assist system.

Key words: urination assist system, ultrasound, saturated vapor pressure, simulation model, mathematical model

中图分类号:

李笑, 李树, 彭伟鸿, 关婷. 基于工质饱和蒸汽压的排尿助力系统建模仿真[J]. 系统仿真学报, 2021, 33(4): 927-934.

Li Xiao, Li Shu, Peng Weihong, Guan Ting. Modeling and Simulation of Urination Assist System Based on Working Medium Saturated Vapor Pressure[J]. Journal of System Simulation, 2021, 33(4): 927-934.

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基于工质饱和蒸汽压的排尿助力系统建模仿真

Modeling and Simulation of Urination Assist System Based on Working Medium Saturated Vapor Pressure

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