A carrying device is provided to carry at least one article for an end user of a walker while the end user is utilizing the walker. The carrying device includes a base having a first end, a second end, and a carrying surface extending between the first and second ends. The carrying surface is adapted to removably retain the at least one article for the end user. The carrying device further includes a support arm coupled to and extending outwardly from the second end of the base. The support arm is configured to support the at least one article when the at least one article is retained on the carrying surface at a position proximate to the second end of the base.

Infant carriers are stably supported and transported by being positioned on a frame set on wheels. The frame may include an infant carrier holder with a floor with a ramp and sidewalls. The infant carrier holder may be integral with the frame or may be mounted to a mounting device that can be adjusted for mounting angle or height. A handle is provided to the frame at a position that is suitable for a person in a wheelchair to grasp the frame and move the transport. A handle suitable for a standing person to grasp the frame may optionally be provided. The transport permits a person that may have difficulty carrying or transporting an infant carrier to more easily transport the infant carrier in a standing or a seated position, the latter as may be the case with a wheelchair occupant. The transport may be fastened to the wheelchair.

A device is disclosed for controlling a vehicle. The method includes monitoring received input from one or more proximity sensor, approximating a user's lateral and longitudinal positions behind the vehicle based upon the monitoring, and controlling the vehicle based upon the approximate lateral and longitudinal positions of the user with respect to the vehicle to continuously re-center the vehicle with respect to the user.

A navigation system and method including an autonomous intelligent motorized audible navigation cart. The audible and intelligent features of the navigation system can be accomplished using a combination of artificial intelligence and speech recognition technology. The navigation system can be used to help the visually impaired person navigate a store for locating products.