in Fig. 5 the vibration is s plied to the 1 the variation unstable as th cessfully app Fig. 5 Com 3. Con control progra suppressed sat 12 Hz and 18 of the system he natural freq lied even for 3 mparison of vib Fig. 6 C nclusions am was made tisfactorily. Th Hz systems. R m natural frequ quency deviati 37 Hz system bration contro Control Perfor targeting the hen the same Right column uency. On the ion increased in Fig. 6 whil ol between the rmance for Lar beam having control progra of Fig. 5 show e contrary the as shown in th e the conventi conventional rge Variation 15 Hz first m am without an ws that the co conventional he left column ional algorithm (left column) of the Beam D mode natural fr ny parameter ontrol perform PID control a n of Fig. 5. Th m was very un and the propo Dynamic Char requency and v or gain modif mance is not af algorithm was he proposed m nstable. osed method (r racteristics verified that th fication was a ffected much b s revealed to b method was su right column) he apby be uc310
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