An improved OpenSim gait model with multiple degrees of freedom knee joint and knee ligaments

Xu, Hang; Bloswick, Donald S.; Merryweather, Andrew

doi:10.1080/10255842.2014.889689

Cited by 53 publications

(65 citation statements)

References 35 publications

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“…1-3) of a model in normal gait condition. This open source 3D musculoskeletal simulation platform has been used by many recent studies including [21], [22]. With this consideration, the area of the shapes can be used as a gait feature.…”

Section: Proposed Methodsmentioning

confidence: 99%

Triangle and Trapezoid Area Features for Gait Authentication

Sikandar

Azhani

Samsudin

et al. 2018

2018 9th IEEE Control and System Graduate Research Colloquium (ICSGRC)

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This paper presents two gait authentication features based on geometric shape for gait analysis. Specifically, triangle and trapezoid based features are proposed for gait authentication. The features are based on the geometric pattern extracted from a particular gait cycle of a gait model. These features use four points from hip-knee-toe joints and construct a triangle and a right trapezoid. The area of the triangle and trapezoid are calculated using geometric formula as well as image processing methods. Later two areas are compared to validate the model free approach. The results show that, the proposed feature can be used as the features in model free gait analysis.

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Section: Proposed Methodsmentioning

confidence: 99%

Triangle and Trapezoid Area Features for Gait Authentication

Sikandar

Azhani

Samsudin

et al. 2018

2018 9th IEEE Control and System Graduate Research Colloquium (ICSGRC)

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“…The mechanism movement of the lower extremity exoskeleton includes three rotary movement of degree of freedom of the hip joint [7], one rotary movement of degree of freedom of the knee joint [8] and two rotary movement of degree of freedom of the ankle joint [9]. The setting of the mechanical limit depends on the range of degree of freedom of the joints of the body [10]. As shown in figure 1, the mechanical structure of the exoskeleton training robot mainly includes the thigh connecting rod, the calf connecting rod, the leggings, the foot plate, etc.…”

Section: Design Of Exoskeleton Training Robot 31 Overall Design Of Tmentioning

confidence: 99%

Kinematics and Dynamics Analysis of Exoskeleton Training Robot Based on the Human Biomechanical Model

2017

IJOMAM

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Exoskeleton robot is a recently emerged human and electromechanics integrated technology which perfectly combines human wisdom with mechanical strength and has good application values and market prospects. In order to better achieve human-computer interaction, optimize the performance of the exoskeleton training robot, reduce muscle burden and enhance human strength and endurance, this study investigated the exoskeleton training robot based on the human biomechanical model after fully understanding the theories of ergonomics, kinematics and dynamics. The robot design fully considered the human biomechanical parameters and realized the adjustment on the mechanical and control system by setting structural limits based on the degree of freedom of the joints of the human body. Besides, the feasibility and follow-up function of the exoskeleton robot were verified by testing. The kinematics and dynamics analysis of the exoskeleton training robot based on the human biomechanical model can help better control and optimize the design structure of the robot, enhance the power-assisted effect, and help the users to enhance their strength and physical fitness and carry out more scientific and safe training.

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“…Initial values of the parameters for the ligaments (reference length, reference strain and stiffness) were chosen based on REHAB a Model and simulation data are open source and can be downloaded at: https://simtk.org/home/multikneedss REHAB [12]. The parameters that are under investigation are summarized in ▶ Table 1 along with their initial values.…”

Section: Ligamentsmentioning

confidence: 99%