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Step 2Operation overview
User Control:
The operation of eyeRobot is designed to be as intuitive as possible to greatly reduce or eliminate training. In order to begin motion the user simply has to begin walking forward, a linear sensor at the base of the stick will pick up this motion and begin moving the robot forward. Using this linear sensor, the robot can then match its speed to the desired speed of the user. eyeRobot will move as fast as the user wants to go. To indicate that a turn is desired, the user simply has to twist the handle, and if a turn is possible, the robot will respond accordingly.
Robot Navigation:
When traveling in open space, eyeRobot will attempt to keep a straight path, detecting any obstacle that may impede the user, and guiding the user around that object and back onto the original path. In practice the user can naturally follow behind the robot with little conscious thought.
To navigate a hallway, the user should attempt to push the robot into one of the walls on either side, upon acquiring a wall the robot will begin to follow it, guiding the user down the hallway. When a intersection is reached, the user will feel the robot begin to turn, and can choose, by twisting the handle, whether to turn down the new offshoot or continue on a straight path. In this way the robot is very much like the white cane, the user can feel the environment with the robot and use this information for global navigation.
The operation of eyeRobot is designed to be as intuitive as possible to greatly reduce or eliminate training. In order to begin motion the user simply has to begin walking forward, a linear sensor at the base of the stick will pick up this motion and begin moving the robot forward. Using this linear sensor, the robot can then match its speed to the desired speed of the user. eyeRobot will move as fast as the user wants to go. To indicate that a turn is desired, the user simply has to twist the handle, and if a turn is possible, the robot will respond accordingly.
Robot Navigation:
When traveling in open space, eyeRobot will attempt to keep a straight path, detecting any obstacle that may impede the user, and guiding the user around that object and back onto the original path. In practice the user can naturally follow behind the robot with little conscious thought.
To navigate a hallway, the user should attempt to push the robot into one of the walls on either side, upon acquiring a wall the robot will begin to follow it, guiding the user down the hallway. When a intersection is reached, the user will feel the robot begin to turn, and can choose, by twisting the handle, whether to turn down the new offshoot or continue on a straight path. In this way the robot is very much like the white cane, the user can feel the environment with the robot and use this information for global navigation.
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