Robotic surface-cleaning assemblies include a base configured to be operatively coupled to a robotic arm; a supply of cleaning fabric supported relative to the base; an applicator supported relative to the base, wherein the applicator is configured to support a portion of cleaning fabric from the su
Robotic surface-cleaning assemblies include a base configured to be operatively coupled to a robotic arm; a supply of cleaning fabric supported relative to the base; an applicator supported relative to the base, wherein the applicator is configured to support a portion of cleaning fabric from the supply of cleaning fabric and operatively and selectively position the portion into engagement with a surface to be cleaned; and a source of cleaning fluid supported relative to the base, wherein the source of cleaning fluid is configured to operatively and selectively (i) deliver cleaning fluid directly to the portion of cleaning fabric supported by the applicator and/or (ii) deliver cleaning fluid directly to the surface to be cleaned. Methods of cleaning a surface with a robotic surface-cleaning assembly also are disclosed.
대표청구항▼
1. A robotic surface-cleaning assembly, the assembly comprising: a robotic arm;an end effector, comprising: a base operatively coupled to the robotic arm;a supply of cleaning fabric supported relative to the base;an applicator supported relative to the base, wherein the applicator is configured to s
1. A robotic surface-cleaning assembly, the assembly comprising: a robotic arm;an end effector, comprising: a base operatively coupled to the robotic arm;a supply of cleaning fabric supported relative to the base;an applicator supported relative to the base, wherein the applicator is configured to support a portion of cleaning fabric from the supply of cleaning fabric and operatively and selectively position the portion into engagement with a surface to be cleaned; anda source of cleaning fluid supported relative to the base, wherein the source of cleaning fluid is configured to operatively and selectively (i) deliver cleaning fluid directly to the portion of cleaning fabric supported by the applicator and/or (ii) deliver cleaning fluid directly to the surface to be cleaned; anda controller programmed to: (i) at least one of (a) deliver cleaning fluid from the source of cleaning fluid directly to a first portion of the cleaning fabric supported by the applicator, and (b) deliver cleaning fluid directly to a first region of the surface to be cleaned;(ii) following (i), move the applicator to position the first portion of the cleaning fabric into engagement with the surface to be cleaned and move the applicator in a first predefined motion across the first region;(iii) following (ii), move the applicator away from the surface to be cleaned and provide by the supply of cleaning fabric a second portion of the cleaning fabric supported by the applicator, with the second portion having not engaged the surface to be cleaned; and(iv) following (iii), move the applicator to position the second portion of the cleaning fabric into engagement with the surface to be cleaned and move the applicator in a second predefined motion across the first region;wherein the robotic arm is configured to move the end effector in at least three degrees of freedom relative to the surface to be cleaned. 2. The assembly of claim 1, wherein the supply of cleaning fabric includes a supply spool of clean cleaning fabric for delivery of the cleaning fabric to the applicator and a take-up spool for receiving soiled cleaning fabric from the applicator, and wherein the cleaning fabric includes a length of cleaning fabric that extends from the supply spool, across the applicator, and to the take-up spool. 3. The assembly of claim 2, wherein at least one of the supply spool and the take-up spool is configured to be selectively translated relative to the applicator to operatively maintain a desired tension of the cleaning fabric at the applicator. 4. The assembly of claim 2, wherein at least one of the supply spool and the take-up spool is spring-biased relative to the applicator to operatively maintain a desired tension of the cleaning fabric at the applicator. 5. The assembly of claim 1, wherein the applicator defines an applicator surface, wherein the portion of cleaning fabric extends across the applicator surface, wherein the applicator surface is positioned to selectively position the portion into engagement with the surface to be cleaned, and wherein the applicator includes a supply-side guide and a take-up-side guide configured to position the cleaning fabric relative to the applicator surface and guide the cleaning fabric across the applicator surface. 6. The assembly of claim 1, wherein the applicator defines an applicator surface, wherein the portion of cleaning fabric extends across the applicator surface, wherein the applicator surface is positioned to selectively position the portion into engagement with the surface to be cleaned, and wherein the applicator includes a supply-side clamp and a take-up-side clamp configured to selectively secure the cleaning fabric relative to the applicator surface. 7. The assembly of claim 1, wherein the source of cleaning fluid is configured to operatively and selectively deliver cleaning fluid directly to the portion of cleaning fabric supported by the applicator. 8. The assembly of claim 7, wherein the applicator defines an applicator surface, wherein the portion of cleaning fabric extends across the applicator surface, wherein the applicator surface is positioned to selectively position the portion into engagement with the surface to be cleaned, and wherein the source of cleaning fluid is configured to operatively and selectively deliver cleaning fluid directly to the portion of cleaning fabric supported by the applicator via the applicator surface. 9. The assembly of claim 1, wherein the source of cleaning fluid is configured to operatively and selectively deliver cleaning fluid directly to the surface to be cleaned. 10. The assembly of claim 9, wherein the source of cleaning fluid includes one or more nozzles configured to spray cleaning fluid on the surface to be cleaned. 11. The assembly of claim 1, further comprising: a scanner supported relative to the base, wherein the scanner is configured to detect a cleanliness of the surface to be cleaned. 12. The assembly of claim 1, wherein the assembly is configured to have: (a) a readying configuration, in which the applicator and the first portion of the cleaning fabric supported by the applicator are spaced away from the surface to be cleaned, and in which at least one of (a) the source of cleaning fluid is delivering cleaning fluid directly to the first portion, and (b) the source of cleaning fluid is delivering cleaning fluid directly to the surface to be cleaned;(b) a wet cleaning configuration that occurs following the readying configuration, in which the first portion of the cleaning fabric supported by the applicator is engaged with the surface to be cleaned, and in which the applicator is moving the first portion in the first predefined motion across the surface to be cleaned;(c) a transition configuration that occurs following the wet cleaning configuration, in which the applicator is spaced away from the surface to be cleaned, and in which the supply of cleaning fabric provides the second portion of the cleaning fabric supported by the applicator, with the second portion having not engaged the surface to be cleaned; and(d) a dry cleaning configuration that occurs following the transition configuration, in which the second portion of the cleaning fabric is engaged with the surface to be cleaned without any cleaning fluid being first delivered to the second portion and/or to the surface to be cleaned immediately prior to the dry cleaning configuration, and in which the applicator is moving the second portion in the second predefined motion across the surface to be cleaned. 13. The assembly of claim 12, further comprising: a scanner supported relative to the base, wherein the scanner is configured to detect a cleanliness of the surface to be cleaned;wherein the assembly is further configured to have: (e) a scanning configuration, in which the scanner is scanning the surface to be cleaned. 14. The assembly of claim 1, further comprising: wherein the controller is further programmed to: (v) following (iv), move the applicator away from the surface to be cleaned and provide by the supply of cleaning fabric a third portion of the cleaning fabric supported by the applicator, with the third portion having not engaged the surface to be cleaned; and(vi) following (iv) and optionally following (v), move the applicator relative to the surface to be cleaned and repeat (i)-(v) with respect to a second region of the surface to be cleaned and with the third portion and a fourth portion of the cleaning fabric, wherein the second region is different than the first region. 15. The assembly of claim 14, further comprising: a scanner supported relative to the base, wherein the scanner is configured to detect a cleanliness of the surface to be cleaned;wherein the controller is further programmed to: (vii) receive cleanliness data from the scanner and, based at least in part on the cleanliness data, one or more of: (a) modify a volume of cleaning fluid delivered during (i);(b) modify a length of time that the applicator is moved in the first predefined motion during (ii);(c) modify the motion of the first predefined motion;(d) modify a length of time that the applicator is moved in the second predefined motion during (iv);(e) modify the motion of the second predefined motion;(f) repeat at least a subset of (i)-(v) one or more times prior to performing (vi); and(g) send a signal to an operator, wherein the signal is indicative of the cleanliness data. 16. A robotic surface-cleaning assembly, the assembly comprising: a robotic arm; andan end effector, wherein the robotic arm is configured to move the end effector in at least three degrees of freedom relative to a surface to be cleaned, and wherein the end effector comprises: a base operatively coupled to the robotic arm;a supply of cleaning fabric supported relative to the base, wherein the supply of cleaning fabric includes a supply spool of clean cleaning fabric, a take-up spool, and a length of cleaning fabric that extends from the supply spool to the take-up spool;an applicator supported relative to the base, wherein the applicator supports a portion of cleaning fabric between the supply spool and the take-up spool and is configured to operatively and selectively position the portion into engagement with the surface to be cleaned, wherein the applicator defines an applicator surface, wherein the portion extends across the applicator surface, and wherein the applicator includes a supply-side guide and a take-up-side guide configured to position the cleaning fabric relative to the applicator surface and guide the cleaning fabric across the applicator surface;a source of cleaning fluid supported relative to the base, wherein the source of cleaning fluid is configured to operatively and selectively (i) deliver cleaning fluid directly to the portion of cleaning fabric supported by the applicator and/or (ii) deliver cleaning fluid directly to the surface to be cleaned; anda controller programmed to: (i) at least one of (a) deliver cleaning fluid from the source of cleaning fluid directly to a first portion of the cleaning fabric supported by the applicator, and (b) deliver cleaning fluid directly to a first region of the surface to be cleaned;(ii) following (i), move the applicator to position the first portion of the cleaning fabric into engagement with the surface to be cleaned and move the applicator in a first predefined motion across the first region;(iii) following (ii), move the applicator away from the surface to be cleaned and provide by the supply of cleaning fabric a second portion of the cleaning fabric supported by the applicator, with the second portion having not engaged the surface to be cleaned;(iv) following (iii), move the applicator to position the second portion of the cleaning fabric into engagement with the surface to be cleaned and move the applicator in a second predefined motion across the first region;(v) following (iv), move the applicator away from the surface to be cleaned and provide by the supply of cleaning fabric a third portion of the cleaning fabric supported by the applicator, with the third portion having not engaged the surface to be cleaned; and(vi) following (iv) and optionally following (v), move the applicator relative to the surface to be cleaned and repeat (i)-(v) with respect to a second region of the surface to be cleaned and with the third portion and a fourth portion of the cleaning fabric, wherein the second region is different than the first region. 17. The assembly of claim 16, further comprising: a scanner supported relative to the base, wherein the scanner is configured to detect a cleanliness of the surface to be cleaned;wherein the controller is further programmed to: (vii) receive cleanliness data from the scanner, and based at least in part on the cleanliness data, one or more of: (a) modify a volume of cleaning fluid delivered during (i);(b) modify a length of time that the applicator is moved in the first predefined motion during (ii);(c) modify the motion of the first predefined motion;(d) modify a length of time that the applicator is moved in the second predefined motion during (iv);(e) modify the motion of the second predefined motion;(f) repeat at least a subset of (i)-(v) one or more times prior to performing (vi); and(g) send a signal to an operator, wherein the signal is indicative of the cleanliness data. 18. The assembly of claim 6 wherein the supply-side clamp and the take-up-side clamp are positioned on opposing sides of the applicator surface, wherein the supply-side clamp is operatively coupled to the supply-side guide, and wherein the take-up-side clamp is operatively coupled to the take-up-side guide. 19. The assembly of claim 1, wherein the robotic arm is configured to move the applicator and the portion of cleaning fabric in an orbital motion with respect to the surface to be cleaned. 20. The assembly of claim 1, wherein the assembly is configured to clean a planar surface.
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