Small active vibration control system based on piezoelectric ceramic and piezoelectric accelerometer
A piezoelectric accelerometer and active vibration control technology, applied in non-electric variable control, control/regulation system, mechanical oscillation control, etc., can solve the problems of small low-frequency gain, acceleration reduction, DC drift saturation, etc., and achieve wide control Bandwidth, simple structure, and easy-to-integrate effects
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0071] The system is described in detail below in conjunction with the accompanying drawings and embodiments:
[0072] 1. Overall
[0073] like figure 1 , the system includes a micro-vibration source 00, a sensor 10, an acceleration module 20, a displacement module 30, a velocity module 40, a first adder 50, an amplification and filtering module 60, a second adder 70, a driving module 80 and piezoelectric ceramics ( actuator) 90;
[0074] The micro-vibration source 00 includes an aluminum bracket 01, an aluminum chassis 02, a steel ball 03, a steel ball sleeve 04 and a flat head stop 05;
[0075] The sensor 10 includes a piezoelectric accelerometer 11 and a strain gauge 12;
[0076] The acceleration module 20 is composed of a charge amplifier 21, a bias compensation circuit 22 and a reference voltage 23;
[0077] The displacement module 30 is composed of a preamplifier 31, a first integrator 32 and a differentiator 33;
[0078] The speed module 40 is composed of a second ...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com