Abstract
Chaotic vibration has been identified in the flexible automotive wiper blade at certain wiping speeds. This irregular vibration not only decreases the wiping efficiency, but also degrades the driving comfort. A reliable nonlinear system identification namely nonlinear auto regressive exogenous Elman neural network (NARXENN) was adopted in first stage of this survey to model the flexible dynamics of wiper blade with acquired experimental data. In controller design part, taking into account environmental and external disturbances that cause changes in the dynamic characteristics of the system demanded a robust controller to make a trade off between the worst and best scenario. An active fuzzy force controller (AFLC) supervised by multi objective genetic algorithm (MOGA) is developed to keep both interests of noise and vibration redaction of automobile wiper blade at the reasonable rise time.
Highlights
Wiper system is the one of the flexible parts in automotive industry
Two levels controller was required for flexible wiper in order to deal with vibration and noise caused by both rigid and flexible parts of system
fuzzy logic controller (FLC) is set as outer control loop that receives the error between actual Bang-Bang trajectory and the actual measurement of wiper hub angle as well as the rate of mentioned error
Summary
Wiper system is the one of the flexible parts in automotive industry. Flexibility feature of wiper blade structure is made it a critical apparatus is spite of its simple operational mechanism. In an automobile wiper operation there have been diagnosed and classified three categories of noises such as squeal noise, chattering noise and reversal noise (Chevenenment et al, 2007). These types of noise have a potential to lead a poor visibility and annoying sound to the driver and passengers during the raining condition. The wiping of the windshield of a car is carried out with the reciprocating motion of a rubber blade on glass that removes the water from glass This function is realized by a contact dimension between the rubber and glass of
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