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ROBOTMAN: Security Robot for Human-robot Interaction Inside Malls

The market for service robot is rapidly growing nowadays to interact in a direct manner with humans. In the future we expect that robots will be able to provide a variety of services for humans. The concept of humanoid robot working as security guards for public places has grown in recent years. The security job is presented as a difficult activity that requires a significant physical wear on the average individual. Additionally, the demand of security services are growing around the world but companies that provide the services do not have enough trained personal to satisfy this opportunity. Thus, a security robot was developed in order to perform patrols during the night, while functioning as a platform for human-robot interaction during the day in indoors. One of the goals is to improve the welcoming of visitors to the mall using a robot that can also provide security and give information about the mall to the customers. A security company provided the key information, knowledge and guidance regarding the activities that a security guard is required to perform when working inside a mall. This work was developed with government funding and the collaboration between industry and university. We designed a stable and aesthetically pleasing security humanoid robot that is able to not only monitor a specific area, but to welcome visitors, provide information, help people, and improve their visit to a mall located in Peru. The design process is presented in Fig. 1a and preliminary tests were performed inside a mall Fig. 1.b. The robot has several sensors such as security cameras, depth camera, proximity sensors and a LIDAR to avoid obstacles, also actuators to move the arms and head to show expressions, LED eyes to represent emotional states, microphones and a pleasant voice to improve interaction with the public. The results reveal that the robot is a helpful tool for the security guards to improve their work and also satisfy at some level the expectations of the customers. The robot's appearance fulfills its objective of inviting people to interact with it, in this way the robot achieves its role of informative agent. The customers were able to interact through its interactive screen and the remote application for telecommunication with an external human agent that work for the mall and answer all their questions projecting his voice through the robot. We conclude that social robots could improve the life of the people not only in their homes, but also in open spaces where security and attention to costumers is needed. It's still a long way to the robot to perform as a human security guard but in the moment we present a helpful tool that can support their activities remotely. This technology is not aiming to replace humans, but to improve his performance in their job allowing them to cover large and remote areas.