Distributed Lighting Control

• US 20120299485A1
• Filed: 07/24/2012
• Published: 11/29/2012
• Est. Priority Date: 12/16/2009
• Status: Active Grant

• Current Assignee: Building Robotics, Inc. (Siemens AG)
• Original Assignee: Enlighted, Inc. (Siemens AG)
• Inventors: Mohan, Tanuj, Ashar, Premal, Perkins, David
• Granted Patent: US 9,006,996 B2
• Time in Patent Office: Days
• US Class Current: 315/153
• CPC Class Codes: H05B 47/105 in response to determined parameters
• CPC Class Codes: H05B 47/11 by determining the brightness or colour temperature of ambient light
• CPC Class Codes: H05B 47/115 by determining the presence or movement of objects or living beings
• CPC Class Codes: H05B 47/175 by remote control
• CPC Class Codes: Y02B 20/40 Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

Apparatuses, methods and systems for controlling a luminaire are disclosed. One embodiment includes a lighting control sub-system. The lighting control sub-system includes a luminaire, a controller coupled to the luminaire, and a sensor coupled to the controller. The sensor generates a sensed input. The lighting control sub-system further includes a communication interface, wherein the communication interface couples the controller to an external device. The controller is operative to control a light output of the luminaire based at least in part on the sensed input, and to communicate at least one of state or sensed information to the external device.

Claims

1. A lighting control sub-system comprising

a luminaire;

a controller coupled to the luminaire;

a sensor coupled to the controller, the sensor generating a sensed input;

a communication interface, the communication interface coupling the controller to an external device;

wherein the controller is operative to;

control a light output of the luminaire based at least in part on the sensed input; and

communicate at least one of state or sensed information to the external device.

2. The sub-system of claim 1, wherein the controller is further operative to receive information from the external device, wherein the received information influences a current state of the lighting control sub-system, or the received information includes parameters that influence a future state of the lighting control sub-system.

3. The sub-system of claim 1, wherein the controller is further operative to receive information from the external device, wherein the received information influences a lighting control sub-system profile.

4. The sub-system of claim 3, wherein the lighting control sub-system profile comprises parameters, wherein the parameters are adaptively updated.

5. The sub-system of claim 3, further comprising the controller operative to receive a plurality of lighting control sub-system profiles.

6. The sub-system of claim 5, wherein an active profile of the plurality of lighting control sub-system profiles is adaptively updated.

7. The sub-system of claim 5, further comprising the external device adding, replacing or deleting one or more profiles of the plurality of lighting control sub-system profiles

8. The sub-system of claim 1, wherein the external device comprises a central controller, another lighting control sub-system, a logical group controller, or a terminal.

9. The sub-system of claim 1, further comprising a plurality of sensors, wherein the controller is operative to control the light output based on a combination of sensed inputs of the plurality of sensors.

10. The sub-system of claim 9, further comprising the controller operative to control the light output based on the combination of one or more of the sensed inputs and a lighting schedule.

11. The sub-system of claim 1, wherein further comprising the controller operative to receive a lighting control configuration.

12. The sub-system of claim 11, wherein the controller receives the lighting control configuration from a system operator.

13. The sub-system of claim 11, wherein the controller receives the lighting control configuration from a central controller, thereby allowing a system user to manage the lighting control configuration.

14. The sub-system of claim 1, further comprising the controller operative to collect sensor values over time based on at least the sensed input.

15. The sub-system of claim 14, further comprising the controller operative to communicate the collected sensor values to the external device.

16. The sub-system of claim 14, further comprising the controller operative to identify problems of operation of the lighting control sub-system based on the collected sensor values, and to report the identified problems of operation to the external device.

17. The sub-system of claim 1, further comprising the controller operative to report past operating characteristics of the sub-system.

18. The sub-system of claim 1, wherein the sensor comprises a power monitoring unit operative to measure power usage of the lighting control sub-system.

19. The sub-system of claim 18, further comprising the controller operative to communicate the measured power usage of the sub-system to the external device.

20. The sub-system of claim 1, further comprising the controller operative to communicate with other sub-systems, and identify logical groups of two or more sub-systems.

21. The sub-system of claim 20, wherein identifying logical groups comprises at least the controller and at least one of the other sub-systems auto-determining the logical group.

22. The sub-system of claim 20, wherein at least one of the logical groups includes a motion sensing group.

23. The sub-system of claim 20, wherein at least one of the logical groups includes an ambient light group.

24. The sub-system of claim 20, wherein at least one of the logical groups includes a logical switch group,

25. The sub-system of claim 20, wherein at least one of the logical groups includes a logical temperature group.

26. The sub-system of claim 20, further comprising the controller operative to control the light output based on a sensor signal of a sensor of another sub-system of a common logical group.

27. The sub-system of claim 20, wherein sub-systems of a common logical group communicate to each other when a sensor of one of the sub-systems of the logical group has failed.

28. The sub-system of claim 1, further comprising the controller operative to identify an emergency condition, and initiate an emergency mode.

29. The sub-system of claim 28, further comprising the controller operative to confirm the identification of the emergency mode, comprising the controller initiating communication with a non-emergency device, and confirming the identified emergency condition if the initiated communication is not successful.

30. A lighting control system comprising

a plurality of sub-systems,

each sub-system comprising:

a luminaire;

a controller coupled to the luminaire;

at least one sensor coupled to the controller, the at least one sensor generating a sensed input;

a communication interface, the communication interface coupling the controller to an external device;

wherein the controller is operative to;

control a light output of the luminaire; and

communicate at least one of state or sensed information to at least one of a central controller or another sub-system,

31. A lighting control system comprising:

a plurality of sub-systems,

two or more sub-systems capable of acting as a group and

each sub-system capable of independent action,

each sub-system comprising;

a luminaire;

a controller electrically connected to said luminaire, said controller operative to control the light output of said luminaire and to communicate with other sub-systems; and

,

at least one sensor connected to said controller.

32. The system of claim 31, further comprising the controller operative to communicate with other sub-systems, and identify logical groups of two or more sub-systems.

33. The system of claim 32, further comprising the controller operative to control the light output based on a sensor signal of a sensor of another sub-system.

34. The system of claim 32, wherein identifying logical groups comprises at least the controller and at least one of the other sub-systems auto-determining the logical group.

35. The system of claim 32, wherein at least one of the logical groups includes a motion sensing group.

36. The system of claim 32, wherein at least one of the logical groups includes an ambient light group.

37. The system of claim 32, wherein at least one of the logical groups includes a logical switch group.

38. The system of claim 32, wherein at least one of the logical groups includes a logical temperature group.

39. A lighting control system comprising:

a central controller;

a plurality of sub-systems, wherein each sub-system is capable of independent action and

each sub-system capable of acting responsive to said central controller,

each sub-system comprising;

a luminaire;

a controller coupled to the luminaire;

at least one sensor coupled to the controller, the at least one sensor generating a sensed input;

a communication interface, the communication interface coupling the controller to at least one of the central controller or another sub-system;

wherein the controller is operative to;

control a light output of the luminaire; and

communicate at least one of state or sensed information to at least one of the central controller or another sub-system.

40. The lighting control system of claim 39, further comprising the central controller operative to provide a system management of the lighting control system.

41. The lighting control system of claim 40, wherein the system management provides a user interface, allowing a user to configure operation of one or more of the plurality of sub-systems.

42. The lighting control system of claim 39, wherein the central controller is further operative to receive sensed values and sub-system state information for one or more of the plurality of sub-systems.

43. The lighting control system of claim 42, wherein the wherein the central controller is further operative to aggregate and display the received sensed values of the one or more of the plurality of sub-systems.

44. The lighting control system of claim 43, wherein the wherein central controller is further operative display summary statistics of the received sensed values over variable periods of time.

45. The lighting control system of claim 39, further comprising the central controller operative to identify a failure of emergency sub-systems, and to identify and communicate to other sub-systems operation to operate in an emergency mode.

46. The lighting control system of claim 39, further comprising the central controller operative to receive a demand response from an external power company, and adaptively communicate to the plurality of sub-systems to operate in a reduced power mode.

47. A lighting control system comprising

a plurality of sub-systems and

a central controller,

each sub-system capable of independent action,

two or more sub-systems capable of acting as a group, and

each sub-system capable of acting responsive to said central controller,

each sub-system comprising:

a luminaire;

a controller coupled to the luminaire;

a sensor coupled to the controller, the sensor generating a sensed input;

a communication interface, the communication interface coupling the controller to an external device;

wherein the controller is operative to;

control a light output of the luminaire; and

communicate at least one of state or sensed information to the external device.

48. A lighting control system for integration with existing luminaires comprising

a controller coupled to a luminaire;

a sensor coupled to the controller, the sensor generating a sensed input;

a communication interface, the communication interface coupling the controller to an external device;

wherein the controller is operative to;

control a light output of the luminaire; and

communicate at least one of state or sensed information to the external device.