Sensors play a very important role in the control of robots. It is precisely because of the sensors that robots have human-like perceptual functions and reaction capabilities. So, what are the specific requirements of robots for sensors?
The first thing worth paying attention to is the accuracy and other issues. For the intelligent robot, the sensor needs to have high accuracy, high reliability and good stability. With the help of the perception system, the intelligent robot autonomously completes the tasks specified by humans. If the accuracy of the sensor is poor, it will directly affect the quality of the robot's operation. If the sensor is unstable or not reliable, it is easy to cause the intelligent robot to malfunction, whichever is lighter As a result, the work cannot run normally, and serious cases may cause serious accidents. Therefore, the reliability and stability of sensors are the most demanded requirements of intelligent robots.
The second is the anti-interference ability. Since the sensors of intelligent robots often work in unknown environments, the sensors are required to have anti-interference ability in harsh environments such as electromagnetic dust, dust and grease. Light weight and small size are also the requirements of the sensors on the robot. For sensors mounted on moving parts such as the robot arm, the weight must be light, otherwise it will increase the damage of the moving parts and affect the performance of the robot. For a robot with a limited working space, the requirements for volume and installation direction are also essential.
Finally, the most indispensable point is the installation of the sensor. The safety problem of an intelligent robot is first of all its self-protection. On the other hand, it is the measures taken by the robot to protect human safety from violation. When working, humans always use their own sensory feedback to control the use of muscle strength not to exceed the bearing capacity of bones and tendons. In the same way, the robot uses force and torque sensors to detect and control the stress of each component during work, so that each component does not exceed its force limit, thereby protecting the component from damage. In order to prevent the collision between the robot and surrounding objects, various tactile sensors and proximity sensors are required to prevent collision. The service object of the intelligent robot is human. In order to protect the human from harm, the intelligent robot needs sensors to limit its own behavior.
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