Limb-mechanism robot “Asterisk” includes grasping capabilities

Asterisk, a six-legged limb-mechanism robot is capable of performing two significant functions such as manipulation and transportation of the objects. The appearance of this robot looks similar to an insect. As it equals 60o intervals in all directions of the body, it gets the name of Asterisk. It is created by the Arai Robotics Lab in Osaka University, Japan.

What does it include?

Asterisk robot incorporates six limbs in which two of them are used to grasp the objects as like the arms. Every limb possesses four degrees of freedom that helps the robot to travel in any path. It gets pressure sensors on the tip of each limb for sensing the push and pull of the robot. It also gains an acceleration sensor, gyro sensor, and three CCD cameras in the body. Moreover, it has infrared sensors on the tip of three limbs, and wireless cameras on the other three.

This limb-mechanism robot is built up at a weight of four kilograms (8.80 lb). It uses 14.4 volts lithium polymer battery, and it can work for around 15 minutes on a single charge.

What it is capable of?

Asterisk robot is capable of walking at a speed of up to 0.50 meter / second. It can also roll on the floor when attached to the wheel legs. Moreover, it can perform several tasks like:

  • Identifying the staircase
  • Staying away from the obstacles
  • Grasping the objects
  • Walking on the reverse direction and vertical net surfaces
  • Cartwheels

Apart from the above features, it also got the ability to move on the narrow places by minimizing its height.

The below video shows all the above capabilities of the Asterisk robot:

Overall, the researchers believe that it can be used in search and rescue operations, and building maintenance. Additionally, they also expect in developing this robot further for using in some hazardous locations like the earthquake affected areas.

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