PHYSICAL COLLISION PROTECTION

One example discloses a protection device, including: a wireless receiver; wherein the wireless receiver is configured to receive a command from a monitoring device; a protection element configured to be coupled to a first physical structure; wherein the monitoring device includes a sensor configured to predict a physical collision between the first physical structure and a second physical structure; wherein the monitoring device is configured to transmit the command in response to predicting the physical collision; a controller coupled to the wireless receiver and the protection element; wherein the controller is configured to activate the protection element in response to receiving the command; and wherein upon activation, the protection element is physically positioned between the first physical structure and the second physical structure.