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Flexural Vibration Active Control for Spur Gear System

Author: FanZhenHua
Tutor: LiYiNong
School: Chongqing University
Course: Mechanical Design and Theory
Keywords: Gear system Vibration Virtual Prototyping Active Control Co-simulation
CLC: TH132.41
Type: Master's thesis
Year: 2010
Downloads: 192
Quote: 1
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Abstract


Based on the theory of gearing and shock and vibration theory, mass method established by a pair of involute spur gear transmission system consisting of three degrees of freedom mathematical model . And the use of an active control structure that allows active control force in a more direct way to control the gear meshing point because the vibration caused by transmission errors ; using a piezoelectric stack actuators , actuator output through displacement control gear shaft bending vibration , in order to suppress the gear transmission error , thus to control the gear system vibration noise. In MATLAB / SIMULINK environment designed fuzzy controller and fuzzy PD controller , establish a complete drivetrain radial active vibration control model , and its control simulation . Simulation results show that the fuzzy control system can effectively suppress the vibration . Also established based on ADAMS virtual prototype flexible coupling gear transmission , research and analysis system dynamic response characteristics. Combined with ADAMS and MATLAB software active vibration control gear transmission joint simulation results further validate the active vibration control gear effectiveness and feasibility . Final design of the gear system active vibration control experiment platform , the gear system dynamic response characteristics of experimental studies, mathematical models and validate the correctness of the virtual prototype . The main contents are: 1 . Using lumped-mass method established by a pair of spur gear gear train composed of three degrees of freedom torsion coupled nonlinear mathematical model ; 2 Based on ADAMS software to build a rigid gear transmission coupling virtual prototype analysis system dynamic response ; 3 . designed gear vibration fuzzy control system and fuzzy PD control system ; 4 . combination ADAMS and MATLAB software active vibration control of the gear system co-simulation ; 5 gear system designed experiments test platform.

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CLC: > Industrial Technology > Machinery and Instrument Industry > Mechanical parts and gear > The transmission mechanism > Meshing > Gears and gearing
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