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The definition of a robot highlights the function of imitating humans; the definition of a robot is an individual with three elements: brain, hands, and feet, with non-contact sensors and contact sensors, and a sense of balance and inherent sense. Sensors, this definition emphasizes that the robot should have human-like characteristics, that is, it relies on its hands to operate, its feet to move, and its brain to complete unified command tasks.
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What is highlighted in the definition of a robot is the function of imitating humans
has the following 3 conditions The machine can be called a robot:
An individual with three elements: brain, hands, and feet;
Has non-contact sensors (eyes) , the ear receives distant information) and contact sensors;
Sensors with balance sense and intrinsic sense.
This definition emphasizes that the robot should have humanoid characteristics, that is, it relies on its hands to operate, its feet to move, and its brain to complete unified command tasks. Non-contact sensors and contact sensors are equivalent to human facial features, allowing robots to recognize the external environment, while balance sense and intrinsic sense are indispensable sensors for robots to perceive their own status.
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Robot is an intelligent machine that can work semi-autonomously or fully autonomously. Robots are capable of performing tasks such as homework or movement through programming and automatic control.
The earliest robot in history can be seen in the puppet robot built by Emperor Yang of the Sui Dynasty according to the image of Liu Peng. It was equipped with mechanisms and had the ability to sit, stand up, worship, and lie down.
Robots have basic characteristics such as perception, decision-making, and execution. They can assist or even replace humans in completing dangerous, heavy, and complex tasks, improve work efficiency and quality, serve human life, and expand or extend the scope of human activities and abilities.
Classification of robots
Regarding the classification of robots, there is no unified international standard, and there can be different classifications from different perspectives.
Development stage
First generation robot:
Teaching reproducible robot. In 1947, in order to transport and process nuclear fuel, the Oak Ridge National Laboratory in the United States developed the world's first remotely controlled robot. In 1962, the United States successfully developed the PUMA universal teaching and reproduction robot. This robot uses a computer to control a machine with multiple degrees of freedom. It stores programs and information through teaching, reads the information during work, and then issues instructions. In this way, the robot can repeatedly reproduce this action based on the results of the human's teaching at that time. For example, a car's spot welding robot will always repeat this kind of work after teaching the spot welding process.
Second generation robot:
Sensing robot. The teaching and reproduction robot has no perception of the external environment. It does not know the size of the operating force, the existence of the workpiece, or whether the welding is good or bad. Therefore, in the late 1970s, people began to study the second generation Robots are called sensory robots. This type of robot has a sense similar to that of humans in certain functions, such as force sense, touch, sliding sense, vision, hearing, etc. It can feel and identify the shape, size, and color of workpieces through senses.
The third generation robot:
Intelligent robot. Robots invented since the 1990s. This kind of robot is equipped with a variety of sensors and can perform complex logical reasoning, judgment and decision-making, and independently determine its own behavior in changing internal states and external environments.
Control method
Operational robot: can be automatically controlled, can be programmed repeatedly, is multi-functional, has several degrees of freedom, can be fixed or Motion, used in related automation systems.
Programmable robot: Control the mechanical movements of the robot in sequence according to the pre-required order and conditions.
Teaching reproducible robot: Through guidance or other methods, first teach the robot movements, input the work program, and the robot will automatically repeat the operation.
CNC-type robot: There is no need to move the robot. The robot is taught through numerical values, language, etc., and the robot performs operations based on the taught information.
Sensation-controlled robot: Uses information obtained from sensors to control the robot's movements.
Adaptable control robot: The robot can adapt to changes in the environment and control its own actions.
Learning-controlled robot: The robot can "understand" the work experience, has a certain learning function, and uses the "learned" experience at work.
Intelligent robot: A robot that uses artificial intelligence to determine its actions.
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