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In this study, we developed a wall-climbing robot for airplane body inspection. To move on airplane body, the robot needs to move on walls and curved surfaces. A traveling-wave-type, omnidirectional wall-climbing robot that uses magnetic force to adhere could move on such a wall and curved surface. However, magnetic force cannot be used to adhere to airplane body. Therefore, we developed a wall-climbing...
In recent years, ventilation equipment has been installed in various structures to draw in outdoor air and circulate indoor air. These ventilation installations have pipes (ducts) through which air flows. If dust accumulates in a duct, it will be carried indoors by the airflow. Dust adversely affects human health, and so these ducts must be cleaned regularly. However, the existing cleaning methods...
We have developed an excavation robot for lunar-subsurface exploration. This robot moves using a mechanism based on the peristaltic crawling of earthworms, which can move stably. In our previous study, we demonstrated that the robot can excavate down to 938 mm using this technique. However, it can only excavate in a straight configuration. If it can excavate while curving, its exploration range would...
We have developed an earthworm-type 25A pipe inspection robot using a pneumatic drive. However, the developed robot had a low locomotion speed. This was due to the fact that the contraction amount of the pneumatic artificial muscle used for driving the actuator of the robot was small. To resolve the problem and increase the amount of movement of the robot, an extension actuator to extend in the axial...
We have been developing an excavation robot for lunar subsurface investigations. The robot locomotion is based on the peristaltic crawling of an earthworm, which enables stable movement. The robot comprises three units: propulsion, excavation, and discharging units. In our previous research, we demonstrated that the propulsion and excavation units can excavate down to 650 mm without the discharging...
Although the need for humans and robots to work together in close proximity is increasing, this is currently not allowed with conventional industrial robots for reasons of safety. Next generation robots that can work safely in close proximity with humans must not only be highly functional, but must also be highly reliable with built in safety features. With this aim in mind, we have developed a safety...
A direct teaching system emphasizing safety and operability for SP02, an upper-body humanoid that cooperates with a human in a cell-production workspace has been described. The system has a direct teaching device, which enables an operator to teach a multi-D.O.F manipulator at comfortable posture despite large changes in the pose of an end-effector. The double-checked safety-related part (SRP/CS)...
This paper proposes a new method for excretion care by use of robot technology. Excretion care is one of the most burdensome tasks in care, along with bathing care. Among the problems related to excretion care, transfer of the care recipient between a wheelchair and a toilet is the most acute problem. Therefore, we proposed a new transfer method for getting rid of twisting the coupled bodies of both...
The authors introduce an activity of a new working group under ISO/TC184/SC2 which is approved to formulate a new international safety standard ldquoRobots and robotic devices - Safety requirements - Non-medical personal care robotrdquo associated with robots that are allowed to coexist in human environments for the purpose of providing humans with various services. The standard includes risk assessment...
This study is intended to deal with a passive dynamic walking quadruped with independently movable legs. Since no current investigation exists about whether such robots can be created or not, we attempt to develop one in a synthetic manner. More specifically, we employed a genetic algorithm to optimize body parameters. Through this synthetic design process, we found that the robots developed can show...
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