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題名:應用最佳化方法預估人體測量學資料     (28點)
Apply Optimization Method to Predict the Anthropometric Data
著者:鄭誠功(Cheng-Kung Cheng) ;曾永輝(Yang-Hwei Tsuang) ;陳宏彰(Hung-Chang Chen) ;李威龍(Wei-Lung Lee)
出版地區:台灣
出版城市:台南市
學科:醫學綜合
關鍵字:人體測量學資料 ; 生物力學模式 ; 最佳化方法 ; Anthropometric data ; Biomechanical model ; Optimization method
刊名:中華醫學工程學刊
卷期:14卷4期(1994.12)
頁碼:287-300
語言:繁體中文
摘要: 中文摘要PDF ; 英文摘要PDF

生物力學模式已被廣範應用於預估人體關節之受力,然而缺乏完整的人體測量學資料導致估算的誤差,目前所被使用的人體測量學資料皆為西方人的資料,為了要擁有國人的人體測量學資料及克服個體差異的問題,本研究應用最佳化方法及一個八連桿的二皮空間生物力學模式來預估個人的人體測量學資料(各肢體的質量比例、質量中心及轉動慣量係數)。 本研究自行發展一個二度空間動態之八連桿生物力學模式,此八連桿包含手、前臂、上臂、頭、軀幹、大腿、小腿及足,在實驗時係以Elite動作分析系統及Kistler測力板量測受測者之動作資料,及地面反力之資料。本研究採用ASA(Adaptive Simulated Annealing)之最佳化演算法,以生物力學模式計算得腳底的受力與合力位置,和測力板量測之腳底反力與合力位置的誤差最小為目標函數,以人體測量學資料之各肢體的質量、質量中心及轉動慣量係數為未知數,來預估個別受測者之人體測量學資料,有八位受測者參與本研究。研究結果顯示,本研究方法可以預估個人的人體測量學資料,在八位受測者中,由於體型的差異,研究結果亦有個別差異性,八位受測者的人體測量學平均值與文獻中西方人的資料僅有4%的誤差。
In musculoskeletal biomechanics, the modeling predictions of body joint reaction force have been extensively used. However, incomplete anthropometric data results in the estimation error. The present anthropometric data used for the biomechanical model are based on the Caucasian data. In order to have the anthropometric data of the local populations and to overcome the problem of the individual difference, we applied optimization techniques with a two-dimensional dynamic eight-links biomechanical model to predict the anthropometric data (mass ratios, centers of mass and coefficients of moment inertia of link segments) of the individual. In this study, we developed a two-dimensional biomechanical model of eight-links segments, including hand, forearm, arm, head, trunk, thigh, lower leg and foot. In experiment, we used the Elite motion analysis system to record and analyze the human postures. The Kistler force plateforms were used to measure the ground reaction forces of the foot bottom. We then applied optimization techniques in minimizing the error between the estimated data from the biomechanical model and measured data from the plateforms. The estimated data and measured data included the ground reaction forces and application point of the ground reaction forces. The optimization algorithm used is Adaptive Simulated Annealing (ASA) was developed by Lester Ingber (1993). The unknowns in this optimization problem were the mass ratios, centers of mass and coefficients of moment inertia of the link segments. Eight subjects were recruited in this study. The results of eight-links segments in eight subjects showed that high individual difference was seen due to different body shapes of eight subjects. However, the average data of the eight subjects showed only 4% difference with the Caucasian data.


    

本卷期目次
中華醫學工程學刊 14卷4期 (1994.12)
不同氫氧基磷灰石粉末對電漿熔射塗層性質之影響-體內及體外之研究/ 周建志楊俊佑賴國安張煥修王寶琪吳建德
應用最佳化方法預估人體測量學資料/ 鄭誠功曾永輝陳宏彰李威龍
肺泡界面活性劑之界面流體動態研究-磷脂液膜之分散機構/ 顏少臣楊屹沛黃聖芳蔡瑞瑩
以碎形傳導系統做體表心電圖之電腦模擬/ 高材鄭永富蕭嘉宏
以超音波非侵犯性方法估算血液流量的評估/ 宋信文陸振翮翁崇碧虞佩信
ECG Signal Analysis Using Hilbert Transform and Fourier Descriptors/ Kang-Ping LinWalter H. ChangSing-Yi Tseng
Vergence Eye Movements: Systemic Analyses of Dynamic and Directional Asymmetries/ Jia-Long HorngJohn L. SemmlowGeorge K. HungKenneth J. Ciuffreda
評估個人電腦用於醫學影像傳輸之功能/ 林仲志段正仁鄧木火蘇振隆胡威志
 
   
 
   

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