坐姿肢體協(xié)同訓(xùn)練康復(fù)機(jī)構(gòu)的設(shè)計(jì)與分析
[Abstract]:The number of patients with motor dysfunction caused by aging population, stroke and disability is increasing year by year, but the corresponding medical rehabilitation personnel and equipment can not meet the rehabilitation needs. In order to lighten the working intensity of nursing staff, improve patients' chances of receiving rehabilitation treatment, and quantify the indexes of rehabilitation training, rehabilitation robot emerges as the times require. On the basis of analyzing the present research situation of limb rehabilitation robot at home and abroad, according to the theory of rehabilitation movement and the characteristics of human physiological structure, this paper proposes a single degree of freedom based on sitting posture. The concrete work of the compound connecting rod limb cooperative training rehabilitation organization is as follows: firstly, the movement interval of human body size and joint motion is analyzed, and then the movement law and track of the main joints of the limbs are explored through experiments. This paper provides a theoretical basis for the design of the mechanism scheme, and finally proposes a single degree of freedom (DOF), composite linkage type cooperative training and rehabilitation mechanism formed by the combination of the crank slider and the RRR grade two-stage bar group. Secondly, the D-H method is used to establish the parameter coordinate model of rehabilitation training institutions, and the kinematics positive analysis is carried out, and the main parameters affecting the trajectory are obtained, and the specific influence of the dimension parameters on the trajectory is analyzed by using ADAMS software. A group of basic dimension parameters were optimized by single factor analysis and orthogonal test. Then, the man-machine model is deeply studied, and the corresponding joint motion law under different training parameters is analyzed, which provides a reference for patients to carry out effective quantitative rehabilitation training, and puts forward a PI control scheme to achieve uniform speed training. The stress and deformation of the members during the training period are analyzed to provide the theoretical basis for the later structural design. Finally, according to the dimension parameters of connecting rod obtained from the above analysis and demonstration, the physical prototype of unilateral rehabilitation mechanism is developed, and the training track, joint angle and coordinated motion experiment are carried out. The experimental results show that the design of the rehabilitation mechanism is reasonable and can realize the limb cooperative rehabilitation training under sitting posture and can meet the individual rehabilitation needs.
【學(xué)位授予單位】:合肥工業(yè)大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:TP242
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