- Patent Title: Apparatus to estimate the root means square value or the amplitude of limit cycle oscillations in systems that encounter oscillatory instabilities and methods thereof
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Application No.: US16605054Application Date: 2018-04-19
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Publication No.: US11650552B2Publication Date: 2023-05-16
- Inventor: Sujith Raman Pillai Indusekharan Nair , Akshay Seshadri , Induja Pavithran
- Applicant: INDIAN INSTITUTE OF TECHNOLOGY MADRAS (IIT MADRAS)
- Applicant Address: IN Chennai
- Assignee: Indian Institute of Technology
- Current Assignee: Indian Institute of Technology
- Current Assignee Address: IN Chennai
- Priority: IN 1741014957 2017.04.27
- International Application: PCT/IN2018/050236 2018.04.19
- International Announcement: WO2018/198132A 2018.11.01
- Date entered country: 2019-10-14
- Main IPC: G05B13/04
- IPC: G05B13/04 ; G01H1/00 ; G01M15/14

Abstract:
Oscillatory instabilities are ubiquitous of systems, and these usually arise out of low amplitude aperiodic oscillations. These oscillatory instabilities generally affect the performance and the lifespan of systems in an adverse manner. An apparatus and a method are disclosed here to estimate the rms value or the amplitude of limit cycle oscillations for control of the oscillatory instability.
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