Navigational control system for a robotic device
First Claim
Patent Images
1. A robotic cleaner, comprising:
- a chassis and an outer shell secured to the chassis;
left and right main drive wheel assemblies and respective independent electric motors, independently mounted in pivotally-biased combination with the chassis for pivotal motion with respect thereto at opposed ends of the transverse diameter of the chassis, and movable between a retracted position under the weight of the robotic cleaner during operation and an extended position wherein their axes of rotation are below the bottom plane of the chassis;
a navigational control system operative to monitor movement activity of the robotic cleaner within a defined working area, the monitored movement activity including at least one of a position history of the robotic cleaner and an instantaneous position of the robotic cleaner; and
a transmitting subsystem including a mechanical sweeping transmitter laser, wherein the mechanical sweeping transmitter laser;
is configured to sweep to redirect a transmitting element of the mechanical sweeping transmitter laser;
is configured to cover the defined working area by transmitting a beam substantially parallel to a surface of the defined working area;
is mounted in combination with the outer shell secured to the chassis to define an overall structural envelope of a height to enable movement of the robotic cleaner under furniture; and
is integrated in combination with a high point of a housing infrastructure of the robotic cleaner so that none of the structural features of the robotic cleaner interfere with sweeping of the transmitting element of the mechanical sweeping transmitter laser.
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Abstract
A navigational control system for altering movement activity of a robotic device operating in a defined working area, comprising a transmitting subsystem integrated in combination with the robotic device, the transmitting subsystem comprising a mechanical sweeping transmitter laser integrated in combination with a high point of a housing infrastructure of the robotic device so that none of the structural features of the robotic device interfere with sweeping of the transmitting element of the mechanical sweeping transmitter laser.
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Citations
11 Claims
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1. A robotic cleaner, comprising:
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a chassis and an outer shell secured to the chassis; left and right main drive wheel assemblies and respective independent electric motors, independently mounted in pivotally-biased combination with the chassis for pivotal motion with respect thereto at opposed ends of the transverse diameter of the chassis, and movable between a retracted position under the weight of the robotic cleaner during operation and an extended position wherein their axes of rotation are below the bottom plane of the chassis; a navigational control system operative to monitor movement activity of the robotic cleaner within a defined working area, the monitored movement activity including at least one of a position history of the robotic cleaner and an instantaneous position of the robotic cleaner; and a transmitting subsystem including a mechanical sweeping transmitter laser, wherein the mechanical sweeping transmitter laser; is configured to sweep to redirect a transmitting element of the mechanical sweeping transmitter laser; is configured to cover the defined working area by transmitting a beam substantially parallel to a surface of the defined working area; is mounted in combination with the outer shell secured to the chassis to define an overall structural envelope of a height to enable movement of the robotic cleaner under furniture; and is integrated in combination with a high point of a housing infrastructure of the robotic cleaner so that none of the structural features of the robotic cleaner interfere with sweeping of the transmitting element of the mechanical sweeping transmitter laser. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification