Service robots are widely used in various situations such as logistics / transport, security, cleaning, housework, hobbies / entertainment and care / assistance. Since service robots are used in a wide variety of situations, it is necessary to fulfil many requirements such as smooth communication with humans (HMI), ensuring safety and responding to changes in the real time. In service robots, the role of a sensor is very important. In this article, we will take a vacuum cleaner robots as an example.

The Child Presence Detection system uses various sensors to detect the presence of a child or pet in the vehicle and notify and warn the driver. A roadmap for evaluation has been formulated within Euro-NCAP, a European automobile safety testing programme.

Current electronic control units (ECUs) in automobiles use mainly differential signal communications with twisted-pair wires to simplify and reduce the weight of vehicle wiring harnesses.
Among these, the CAN (Controller Area Network) communication system is used for communications that require extremely high reliability such as driving, turning, and stopping.