Humanoid Robots

Humanoid robots are robots whose overall appearance is based on that of a human body. Generally humanoid robots have a torso with a head, two legs, and two arms. Some forms of humanoid models have only parts of human body, generally from waist up. There are some humanoid robots with eyes, face and a mouth also. The main difference between humanoid robots and other robots is the ability of humanoid robots to automatically adapt to changes in its environment. Also humanoid robots are more complex than other robots due o there ability to stimulate human structure and behavior. ASIMO by Honda is by far the most advanced humanoid robot ever made.

Some of the capabilities of humanoid include:
- They can recharge itself without getting outside help.
- They can learn new things without outside help. They can also adapt to new and different situations and adjust strategies based on the surroundings.
- They are safe when interacting with humans.

The humanoid robots can be modeled in two different ways:
The first is when they are connected with joints. These types of humanoids are most common today. Second is when the bottom line of humanoid robots resembles with a human skeleton. This design is based on the knowledge acquired from biomechanics.

A humanoid robot is made up of following different parts:


1. Sensors:
They help in measuring the attributes of the world. Sensors can be of two types:

Proprioceptive Sensors:
These sensors help in sensing the position, orientation and speed of the body and other parts of a humanoid robot.

Exteroceptive Sensors:
They help the humanoid robot to interact with the world.

2. Actuators:
These are the motors that help humanoid robots with movement. The actuators act like the muscles and joints in humanoids. Humanoids generally use rotary actuators.

Humanoid robots are mainly used as a research tool. They help researchers to understand human body and behavior. The humanoids are also used to provide domestic help, assist sick and elderly and perform dirty and dangerous jobs. Humanoid robots are a breakthrough in technology. They represent one of the most advanced machines created by humans.

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