최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0971281 (2010-12-17) |
등록번호 | US-8516651 (2013-08-27) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 33 인용 특허 : 653 |
An autonomous floor-cleaning robot comprising a housing infrastructure including a chassis, a power subsystem; for providing the energy to power the autonomous floor-cleaning robot, a motive subsystem operative to propel the autonomous floor-cleaning robot for cleaning operations, a command and cont
An autonomous floor-cleaning robot comprising a housing infrastructure including a chassis, a power subsystem; for providing the energy to power the autonomous floor-cleaning robot, a motive subsystem operative to propel the autonomous floor-cleaning robot for cleaning operations, a command and control subsystem operative to control the autonomous floor-cleaning robot to effect cleaning operations, and a self-adjusting cleaning head subsystem that includes a deck mounted in pivotal combination with the chassis, a brush assembly mounted in combination with the deck and powered by the motive subsystem to sweep up particulates during cleaning operations, a vacuum assembly disposed in combination with the deck and powered by the motive subsystem to ingest particulates during cleaning operations, and a deck adjusting subassembly mounted in combination with the motive subsystem for the brush assembly, the deck, and the chassis that is automatically operative in response to an increase in brush torque in said brush assembly to pivot the deck with respect to said chassis. The autonomous floor-cleaning robot also includes a side brush assembly mounted in combination with the chassis and powered by the motive subsystem to entrain particulates outside the periphery of the housing infrastructure and to direct such particulates towards the self-adjusting cleaning head subsystem.
1. An autonomous floor-cleaning robot comprising: first and second wheel assemblies configured to propel the robot along a cleaning surface;a brush assembly comprising a motor and a brush, the motor arranged to rotate the brush as the first and second wheel assemblies propel the robot across the cle
1. An autonomous floor-cleaning robot comprising: first and second wheel assemblies configured to propel the robot along a cleaning surface;a brush assembly comprising a motor and a brush, the motor arranged to rotate the brush as the first and second wheel assemblies propel the robot across the cleaning surface;a plurality of control sensors operative to regulate the normal operation of the autonomous floor-cleaning robot, the plurality of control sensors comprising a proximity sensor, a prohibited area entry prevention sensor, and a wheel rotation sensor;a plurality of emergency sensors operative to detect situations adverse to the normal operation of the autonomous floor-cleaning robot, the plurality of emergency sensors comprising a cliff detector array, a first and a second wheel drop sensor, and a stall sensor; anda controller configured to control the first and second wheel assemblies based upon signals from the plurality of control sensors and the plurality of emergency sensors, wherein the first and second wheel assemblies each comprise a wheel and a tension spring, each tension spring biasing pivotal movement of a respective wheel through an arc to a position in which an axis of rotation of each respective wheel lies below a bottom plane of the autonomous floor-cleaning robot, and the first and second wheel drop sensors each comprise a contact switch configured to transmit a signal to the controller when an axis of rotation of a wheel of each respective wheel assembly lies below the bottom plane of the autonomous floor-cleaning robot. 2. The autonomous floor-cleaning robot of claim 1, wherein the controller comprises a preprogrammed movement pattern of the robot and the controller is further configured to initiate the preprogrammed movement pattern based upon signals from the plurality of control sensors and the plurality of emergency sensors. 3. The autonomous floor-cleaning robot of claim 1, wherein the proximity sensor is configured to detect proximity of a wall. 4. The autonomous floor-cleaning robot of claim 3, wherein the controller is configured to direct the robot in a wall following mode. 5. The autonomous floor-cleaning robot of claim 1, wherein the stall sensor is configured to detect a change in current of the motor and transmit a signal indicative of the change in current to the controller. 6. The autonomous floor-cleaning robot of claim 5, wherein the brush is rotatable about an axis parallel to the cleaning surface. 7. The autonomous floor-cleaning robot of claim 5, wherein the brush is rotatable about an axis substantially perpendicular to the cleaning surface. 8. The autonomous floor-cleaning robot of claim 5, wherein the brush extends beyond a periphery of the housing as the robot moves along the cleaning surface. 9. The autonomous floor-cleaning robot of claim 8, wherein the brush is adjacent to the cliff detector and the brush comprises opposed brush arms of constant width. 10. The autonomous floor-cleaning robot of claim 1, further comprising a displaceable bumper movable upon contact with an object. 11. The autonomous floor-cleaning robot of claim 10, wherein at least one of the following is mounted on the displaceable bumper: the proximity sensor, the cliff detector, and the prohibited area entry prevention sensor. 12. The autonomous floor-cleaning robot of claim 11, wherein the cliff detector is disposed along a lower portion of the displaceable bumper and the cliff detector is configured to detect a predetermined drop in the path of the robot as the robot travels across the cleaning surface. 13. The autonomous floor-cleaning robot of claim 10, wherein the prohibited area entry prevention sensor is disposed on top of the displaceable bumper, along an axis bisecting the displaceable bumper. 14. The autonomous floor-cleaning robot of claim 1, wherein the prohibited area entry prevention sensor is configured to detect the presence of a stand-alone emitter. 15. The autonomous floor-cleaning robot of claim 14, wherein the prohibited area entry prevention sensor is configured to detect a force field and a collimated beam emitted by the stand alone emitter. 16. The autonomous floor-cleaning robot of claim 14, wherein the controller is configured to prevent the robot from entering an area based at least in part on the detected presence of the stand-alone emitter by the prohibited area entry prevention sensor. 17. The autonomous floor-cleaning robot of claim 1, wherein the wheel rotation sensor is configured to measure the rotation of an associated wheel subassembly.
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