SLAAEP3 December   2025 ULC1001

 

  1.   1
  2.   Abstract
  3.   Trademarks
  4. 1 Acronyms
  5. 2 Introduction
  6. 3 Impedance Response
    1. 3.1 Piezo Only
    2. 3.2 Lens Cover
    3. 3.3 Lens Cover System (LCS)
  7. 4 Equivalent Circuit Model of LCS
  8. 5 LC Filter for LCS
  9. 6 Water Cleaning
  10. 7 Power Consumption
  11. 8 Reliability
  12. 9 Other Tests
    1. 9.1 De-ice
    2. 9.2 Mud Cleaning
    3. 9.3 Optical Interference
    4. 9.4 Waterproof Capability
  13. 10Resources

8 Reliability

High reliability is critical for the vibrating device. We have run a 1 million-cycle test, which can be achieved simply by enabling the Continuous Mode in the ULC1001GUI. Each cycle is defined by running water mode burst 13 and burst 14 once. Each burst consists of a 100ms duration and a 200ms delay (can be adjusted). It takes around 600ms to run a cycle and 6.95 days to run 1 million cycles.

GUI Setting: Continuous ModeFigure 8-1 GUI Setting: Continuous Mode

Figure 8-2 illustrates the impedance response of the LCS both prior to and following the long-term test. After the completion of the long-term test, the LCS demonstrated minimal changes in impedance, maintaining effective water cleaning capabilities. This outcome underscores the high reliability of the system.

The Impedance of LCS before and after Long term test Figure 8-2 The Impedance of LCS before and after Long term test