發(fā)布時(shí)間：2018-06-13 07:36

  本文選題：人體平衡 + 被動(dòng)平衡評(píng)測(cè)��； 參考：《河北大學(xué)》2012年碩士論文

【摘要】：腦卒中患者由于器官受損，身體調(diào)節(jié)平衡能力低下，導(dǎo)致其喪失正常生活的能力。而平衡能力則是他們可以獨(dú)立生活的首要條件，，所以平衡的準(zhǔn)確、客觀(guān)的評(píng)測(cè)就顯得非常重要。臨床中廣泛使用的量表法較多地依賴(lài)醫(yī)師經(jīng)驗(yàn)，客觀(guān)性較差，相比較而言?xún)x器評(píng)定就顯得客觀(guān)、準(zhǔn)確得多。目前，力平臺(tái)主要應(yīng)用在主動(dòng)的動(dòng)態(tài)、靜態(tài)平衡測(cè)量中，但由于被動(dòng)運(yùn)動(dòng)測(cè)量過(guò)程受到被測(cè)者視覺(jué)、情感等多方面因素的影響，評(píng)測(cè)結(jié)果的分散程度較大。本研究主要做了如下工作： 第一，提出了被動(dòng)運(yùn)動(dòng)下人體平衡能力評(píng)測(cè)。采用六自由度運(yùn)動(dòng)平臺(tái)對(duì)力檢測(cè)平臺(tái)和被測(cè)者施加不同方向的平動(dòng)和轉(zhuǎn)動(dòng)激勵(lì)，根據(jù)被測(cè)者的重心波動(dòng)曲線(xiàn)，基于系統(tǒng)辨識(shí)理論中的激勵(lì)-響應(yīng)原理，將人體受到重心擾動(dòng)后的恢復(fù)過(guò)程抽象為典型二階系統(tǒng)模型結(jié)構(gòu)，并利用采集得到的重心數(shù)據(jù)，較精確地得到被測(cè)人重心的調(diào)節(jié)時(shí)間。 第二，在計(jì)算機(jī)中利用LabVIEW軟件和MySQL軟件相結(jié)合開(kāi)發(fā)了人體平衡能力評(píng)測(cè)軟件，此軟件具有重心投影實(shí)時(shí)顯示界面、數(shù)據(jù)保存、用戶(hù)信息存儲(chǔ)和平衡能力指標(biāo)計(jì)算等功能。 第三，根據(jù)正交試驗(yàn)法進(jìn)行試驗(yàn)設(shè)計(jì)，并且運(yùn)用SPSS軟件對(duì)試驗(yàn)結(jié)果進(jìn)行信度分析。最后根據(jù)被動(dòng)運(yùn)動(dòng)下人體平衡能力的實(shí)驗(yàn)結(jié)果分析，找到了被動(dòng)運(yùn)動(dòng)下人體調(diào)節(jié)過(guò)程的特性，從而在臨床中可以根據(jù)病人的不同情況采用不同幅值的脈沖激勵(lì)，得到一致的評(píng)測(cè)結(jié)果。 本評(píng)測(cè)系統(tǒng)中，包含了動(dòng)、靜態(tài)人體平衡能力評(píng)測(cè)以及被動(dòng)運(yùn)動(dòng)下人體平衡能力評(píng)測(cè)；對(duì)靜態(tài)人體平衡能力的評(píng)測(cè)指標(biāo)做出了病例分析；根據(jù)試驗(yàn)結(jié)果分析得到了被動(dòng)運(yùn)動(dòng)下人體平衡能力調(diào)節(jié)過(guò)程的線(xiàn)性區(qū)域。
[Abstract]:Stroke patients lose their ability to live a normal life due to organ damage and low body balance. And balance ability is the first condition that they can live independently, so accurate and objective evaluation of balance is very important. The widely used scale in clinical practice relies more on physician's experience and its objectivity is poor. In contrast, the instrument evaluation is more objective and accurate. At present, the force platform is mainly used in active dynamic and static balance measurement. However, because the passive motion measurement process is affected by many factors, such as vision, emotion and so on, the evaluation results are dispersed greatly. The main work of this study is as follows: first, the assessment of human balance ability under passive motion is proposed. A six-degree-of-freedom motion platform is applied to force detection platform and the subject under different directions of translational and rotational excitation. According to the wave curve of the center of gravity of the subject, the principle of excitation-response in the system identification theory is used. The recovery process of human body subjected to barycenter disturbance is abstracted into a typical second-order system model structure, and the adjustment time of the measured gravity center is obtained more accurately by using the collected barycenter data. Secondly, using LabVIEW software and MySQL software to develop the human body balance ability evaluation software in the computer. The software has the functions of real-time display interface of gravity projection, data saving, user information storage and balance ability index calculation. Thirdly, according to the orthogonal test method, the reliability of the test results is analyzed by SPSS software. Finally, based on the analysis of the experimental results of human balance ability under passive motion, the characteristics of human body regulation process under passive motion are found, and the pulse excitation with different amplitudes can be used in clinic according to the different conditions of patients. Get consistent evaluation results. The evaluation system includes dynamic and static body balance ability evaluation and passive motion balance ability evaluation, and makes case analysis of static human body balance ability evaluation index. According to the analysis of the experimental results, the linear region of human balance ability regulation process under passive motion is obtained.
【學(xué)位授予單位】：河北大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2012
【分類(lèi)號(hào)】：R318.01;TP311.52

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