應用機車駕駛模擬系統探討凹凸路面; 對脊髓損傷病人姿態平衡之影響 Study on the Effect of Uneven Road on the Postural Stability of Spinal Cord Injury with Motorcycle Riding Simulator

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Title:	應用機車駕駛模擬系統探討凹凸路面;對脊髓損傷病人姿態平衡之影響 Study on the Effect of Uneven Road on the Postural Stability of Spinal Cord Injury with Motorcycle Riding Simulator
Authors:	李嘉峰;Chia-Feng Li
Contributors:	機械工程研究所
Keywords:	姿態平衡;機車駕駛模擬器;脊髓損傷;postural stability;motorcycle riding simulator;spinal cord injury
Date:	2008-06-18
Issue Date:	2009-09-21 12:04:42 (UTC+8)
Publisher:	國立中央大學圖書館
Abstract:	本研究目的為開發機車駕駛模擬系統，應用於探討凹凸不平路面對於脊髓損傷患者騎車時的影響。研究道路坑洞或凸起障礙物所引起的失衡干擾、駕駛人平衡狀況與機車操控行為等三者之間的關連性，可作為將來脊髓損傷駕駛人在實際上路前的教育參考。機車模擬器安裝於單軸氣壓平台上，以模擬凹凸路面所引起的加速度變化；再於座椅下方加裝負載元件(Load Cell)，量測重心位移以評估受測者的平衡狀況；測試道路以虛擬實境方式呈現，在測試過程中連續記錄受測者的操控行為表現。實驗對象為損傷等級在T4到L2的脊髓損傷者5名以及12名正常人。研究結果發現，平台模擬與實際騎車經過凸起障礙物所造成人體加速度變化具有相似的趨勢變化，因而證實虛擬平台確實具有模擬實車所造成人體加速度變化的能力。此外，不管坑洞或凸起障礙物對於脊髓損傷者都有很大的影響，其影響層面包括姿態平衡以及車輛操控行為，顛簸路況比平坦路面更易造成脊髓損傷者身體重心變化以及車道偏離。 The purpose of this study is to develop a motorcycle riding simulator and applied it to explore the effect of uneven road on the riding process of spinal cord injury riders .To investigate the relationship among the unbalanced disturbance caused by road obstructions, postural stability and riding performance of riders, it could be used as an educational reference before spinal cord injury riders starting to ride on the road in the future. Motorcycle riding simulator was installed at an uniaxial pneumatic platform, to simulate the change of acceleration caused by the uneven road. And then installed load cell below the seat to measure the center of pressure(COP) movement to assess the state of postural balance of the subject, The experiment was proceeding by virtual reality, and continually recorded the riding performance of riders in the process. Subjects were 5 SCIs whose level of injury were between T4 to L2 and 12 normals . Through statistical analysis can be found that the change of the acceleration of human body caused by the simulation platform and actually riding a motorcycle pass through bulge obstacle have the similar tendency, so it can prove that the capability of riding simulator could simulate the change of the acceleration of human body caused by reality. Besides, it also found that no matter the hollow hole or the bulge obstacle which both have the effect on spinal cord injury, which including postural stability and riding performance. To compare with the smooth road , uneven road was prone to contribute to the change of the center of pressure of SCIs as well as lane departure.
Appears in Collections:	[Graduate Institute of Mechanical Engineering] Electronic Thesis & Dissertation

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