Friday, April 4, 2014

Week 1: (In-Lab) Brainstorming

Initially, our group brainstormed several design constraints to be considered when creating the initial design of the walker. These consisted of:
  • lightweight, foldable and compact
  • springs for impact
  • mobile in all directions
  • sensors for proper detection of use (sound for approval)
  • affordable
  • aluminum or other stronger metals
  • possible seatbelt, break-away restraint
  • back rest long enough for entire back's length

Top, Back and Side View Sketches of Proposed Walker Design
When considering these constraints, the design allows the user to remain in an upright position while improving the posture conditions associated with regular walker designs. In terms of being lightweight, foldable and compact, the sides of the walker will be able to fold inwards to be easily stored. This swinging mechanism also functions as a response to the concern of getting in the walker from a seated position. The use of aluminum or stronger metal will allow the walker to support the full weight of the user. A comfortable back padding will provide support and comfort against the user's back, while connecting to the foldable seat attached underneath the padding. At the bottom of the angled legs in the front and the vertical legs in the back, an Omni Wheel will be used that can move in all directions. On each arm of the walker, a sensor device will detect for proper placement of the user's limbs, providing a sound to indicate this placement. The handles attached to the ends of each arm will provide support as well as a brake button that will be easily graspable and connected to a rubber stopper above the angled legs' wheels. This will allow the walker to stop moving safely.