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In order to help spinal cord injury (SCI) patients to walk again, a medical robot exoskeleton have been developed to assist these patients to walk independently in SIAT, Shenzhen. The robot has an under-drive control structure. The wearer can maintain balance and shift his (her) body weight with the aid of a pair of crutches. On this robot we have implemented a four-legged gait planning method. Through...
This paper presents a novel device that can be attached to a lower-limb exoskeleton to assist lower extremity hemiplegic patients during sitting down and standing up. Such device serves as a self-adaptive exoskeleton chair. The mechanical design has simple structure, great applicability, reliability and high driving efficiency. This paper first models and analysis the muscle forces during standing...
7-Function underwater hydraulic manipulator can be mounted on underwater vehicles such as ROVs to achieve underwater operation. When the underwater vehicle is hovering in the sea, the target is in dynamic motion state compared to the vehicle position, which makes difficult for operators to accomplish dynamic operation task. Based on the underwater hydraulic manipulator structure characteristics, joint...
Wearable exoskeleton robot is a kind of humanoid service robot to help the elderly and the patients with walking dysfunction, it is also an effective medical rehabilitation method to help patients who have walking disorders due to central neural system damage. This paper focuses on the flexible mechanism design of wearable lower limb exoskeleton robot. A wearable exoskeleton robot prototype was developed...
Video surveillance in crowded areas is becoming more and more significant for public security. This paper presents a method for the detection of abnormality in crowded scenes based on the crowd motion characteristics. These characteristics includes the crowd kinetic energy and the motion directions. This approach estimates the crowd kinetic energy and the motion directions based on the optical flow...
This paper describes a compact mini-walking robot with Barbie's shape, and its walking is realized with only one actuator. The first remarkable feature of this robot is the total weight and dimension of the proposed mechanism is expected to be lighter and smaller than other mini-walking robots. Secondly, the proposed leg mechanism in the robot can work smoothly as human with only one DOF. The model...
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