The external sensors of intelligent robots can be roughly divided into mechanical sensors, tactile sensors, proximity sensors, visual sensors, sliding sensors and thermal sensors. For intelligent robots , sensors are an indispensable part, and for each link sensor It is very important to see that intelligent robots have very strict requirements on sensors. Here are some specific requirements for smart sensors:
The first thing worth paying attention to is the accuracy and other issues. For intelligent robots, the sensor needs to have high precision, high reliability and good stability. With the help of the sensing system, the intelligent robot can autonomously perform the work specified by humans. If the accuracy of the sensor is poor, it will directly affect the quality of the robot. If the sensor is unstable or the reliability is not high, it will easily lead to the malfunction of the intelligent robot. The work can not operate normally, and serious people can cause serious accidents. Therefore, the reliability and stability of the sensor are the most demanding requirements of intelligent robots.
Secondly, it is anti-interference ability. Because the sensors of intelligent robots often work in an unknown environment, the sensors are required to have the ability to withstand electromagnetic interference, such as dust, dust and grease. The light weight and small size are also the requirements of the sensor on the robot. For the sensor mounted on the moving parts such as the robot arm, the weight must be light, otherwise the damage of the moving parts will be increased and the motion performance of the robot will be affected. For robots whose working space is somewhat limited, the requirements for volume and mounting orientation are also essential.
Finally, the most indispensable point is the installation of the sensor. The safety problem of intelligent robots is first of all self-protection, and on the other hand, the measures taken by robots to protect human security from infringement. When people are working, they always use their own sensory feedback to control the use of muscle strength beyond the tolerance of bones and tendons. Similarly, during the working process, the robot uses force and torque sensors to detect and control the force of each component so that each component does not exceed its force limit, thereby protecting the component from damage. In order to prevent collision between the robot and surrounding objects, various tactile sensors and proximity sensors are required to prevent collision. Intelligent robots serve human beings. In order to protect humans from harm, intelligent robots need sensors to limit their behavior.
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