Method of recording a vibration isolation system

• US 20030050716A1
• Filed: 08/02/2002
• Published: 03/13/2003
• Est. Priority Date: 08/03/2001
• Status: Active Grant

• Current Assignee: Integrated Dynamics Engineering GmbH (Aalberts NV)
• Original Assignee: Peter Heiland
• Inventors: Heiland, Peter
• Granted Patent: US 6,816,800 B2
• Time in Patent Office: Days
• US Class Current: 700/63
• CPC Class Codes: F16F 15/02 Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems F16F15/005 takes precedence ; layered products B32B; suppression of vibration in ships B63; relieving load on bearings, using magnetic means F16C39/06

Abstract

In relation to a vibration isolation system, which comprises at least one vibration isolation device that can be assigned to an isolation element, the fact that a method of recording the system with the aid of a closed-loop and/or open-loop control device is provided, in which a closed-loop and/or open-loop control structure can be predefined and in which signals and/or variables related to the isolation system are picked up, processed and/or provided, and in which, on the basis of the definable structures and variables, at least one isolation system characteristic data set for assessing the vibration isolation system is formed, means that for the first time the indicative fundamentals for an open system for evaluation, closed-loop and open-loop control are provided.

Claims

1. A method of recording a vibration isolation system having at least one vibration isolation device that can be assigned to an isolation element, the vibration isolation system being assigned a closed-loop and open-loop control device, including the following steps:

a) providing a closed-loop and open-loop control structure

b) picking up and processing signals and variables related to the isolation system

c) forming at least one isolation system characteristic data set for assessing the vibration isolation system.

2. The method as claimed in claim 1, wherein the method comprises the configuration of the closed-loop and open-loop control structure.

3. The method as claimed in claim 1, wherein the method comprises the provision of control loops and types of control in the closed-loop and open-loop control structure.

4. The method as claimed in claim 1, wherein the method includes the selection between feedback and/or feed-forward control and/or adaptive control in the closed-loop and/or open-loop structure.

5. The method as claimed in claim 1, wherein the method comprises the definition of acceleration-determined and/or speed-determined and/or position-determined control loops in the closed-loop and/or open-loop control structure.

6. The method as claimed in claim 1, wherein the method comprises the configuration of the closed-loop and open-loop control structure and the provision of closed-loop and open-loop control variables in the closed-loop and/or open-loop control structure.

7. The method as claimed in claim 1, wherein the method comprises the definition of actuator-specific and sensor-specific variables in the closed-loop and/or open-loop control structure.

8. The method as claimed claim 1, wherein the method comprises the tuning of the control loops.

9. The method as claimed in claim 1, wherein the method comprises the step of closed-loop and/or open-loop control of the vibration isolation system, in particular with the aid of the variables and/or signals and/or the isolation system characteristic data set.

10. The method as claimed in claim 1, wherein the method comprises the provision and adaptation of interfaces between the vibration isolation system and the closed-loop and/or open-loop control device and external equipment.

11. The method as claimed in claim 1, wherein the method includes the provision of interfaces for feeding and/or picking off external or internal signals.

12. The method as claimed in claim 11, wherein the method includes the monitoring and control of the interfaces.

13. The method as claimed in claim 1, wherein the method comprises the recording of data sets.

14. The method as claimed in claim 1, wherein the method includes the testing of the closed-loop and/or open-loop control structure.

15. The method as claimed in claim 1, wherein the method comprises the provision of external and/or internal excitation signals.

17. The method as claimed in claim 1, wherein the method comprises monitoring the method steps.

18. The method as claimed in claim 1, wherein the method includes the production of an isolation-specific fingerprint.

19. The method as claimed in claim 1, wherein the method includes picking up and/or determining data with reference to vibration-isolation-specific functional relationships.

20. The method as claimed in claim 1, wherein the method comprises picking up and/or determining data that can be assigned to a power spectrum.

21. The method as claimed in claim 1, wherein the method comprises picking up and/or determining data that can be assigned to a transfer function.

22. The method as claimed in claim 1, wherein the method comprises picking up and/or determining data that can be assigned to a vibration coherence function.

23. The method as claimed in claim 1, wherein the method comprises picking up and/or determining data that can be assigned to a vibration phase function.

24. The method as claimed in claim 1, wherein the method comprises picking up and/or determining of the data for all the vibratory degrees of freedom envisaged.

25. The method as claimed in claim 1, wherein the method comprises the production of vibration tolerance bands.

26. The method as claimed in claim 1, wherein the method includes the comparison of recorded and current data sets or fingerprints.

27. The method as claimed in claim 1, wherein the method comprises the dynamic recording of fingerprint data sets.

28. The method as claimed in claim 1, wherein the method comprises the simulation of the vibration isolation system.

29. The method as claimed in claim 28, wherein the simulation comprises the excitation of vibrations of the vibration isolation system.

30. The method as claimed in claim 1, wherein the method comprises the assignment of fingerprints or data sets to fault messages.

31. The method as claimed in claim 1, wherein the method includes the diagnosis of the vibration isolation system.

32. The method as claimed in claim 1, wherein the method includes a comparison of data sets and/or fingerprints.

33. The method as claimed in claim 1, wherein the method includes the visualization of the variables and/or the data and/or the relationships.

34. A computer program having program code means for carrying out a method as claimed in claim 1 when the program is executed on a computer.

35. The computer program as claimed in claim 34, wherein the computer program comprises a plurality of program modules.

36. The computer program as claimed in claim 34, wherein the computer program comprises a controller-specific program module for the closed-loop and/or open-loop control of the vibration isolation system.

37. The computer program as claimed in claim 34, wherein the controller module includes diagnostic capabilities relating to the vibration isolation system.

38. The computer program as claimed in claim 34, wherein the controller module is designed to generate and feed excitation signals into the controller.

39. The computer program as claimed in claim 34, wherein the controller module comprises a command-driven interface.

40. The computer program as claimed in claim 34, wherein the computer program comprises user-related function modules, in particular for communication with and/or control of the controller module and/or of the controller.

41. The computer program as claimed in claim 34, wherein the function modules include program tools for installation and/or visualization and/or diagnosis and/or control loop tuning and/or controller function monitoring.

42. An apparatus for executing a computer program as claimed in claim 34, comprising:

a vibration isolation device, on which an isolation element can be arranged, which comprises

one or more components, in particular sensors and/or actuators, arranged for vibration-isolating operation, which cooperate with a closed-loop and/or open-loop control device in such a way that at least one data set that is characteristic of the vibration isolation system can be provided.

43. The apparatus as claimed in claim 42, wherein the closed-loop and/or open-loop control device is of modular design.

44. The apparatus as claimed in claim 42, wherein the closed-loop and/or open-loop control device comprises a controller unit and/or user-oriented function units.

45. The apparatus as claimed in claim 43, wherein the function units include units for installation and/or visualization and/or diagnosis and/or control loop tuning and/or controller function monitoring.

46. A system for recording a vibration isolation system, which comprises a method as claimed in claim 1.

47. A system recording a vibration isolation system, which comprises an apparatus as claimed in claim 42.

48. A system for recording a vibration isolation system, which comprises a computer program as claimed in claim 34.

16. The method as claimed in 15, wherein the method comprises the configuration of the excitation signal provision.