c 2 which is produced by correcting the base wave signal component s 1 in accordance with equation 4 the running control signal data storage 26 stores the output computed value c 2 as a data map on frequencies in the vehicle m under running equation u2062 u2062 3 u2062 y n u2211 k 1 k u2062 a k u2061 n 2 u00b7 sin u2061 k u2062 u2062 u03c9 u00b7 u03b4 u2062 u2062 t u00b7 n u03d5 k u2061 n a k u2061 n offset when y n u2267 0 y n a k n and when y n lt 0 y n u2212 0 15 equation 4 how the vibration controller according to example no 1 of the present invention operates will be hereinafter described when the vehicle m is under idling the rotary pulse sensor 12 outputs a rotary pulsating signal s to the controller unit 20 the signal retriever 21 of the controller unit 20 retrieves the rotary pulsating signal s subsequently the frequency judge 22 judges whether the frequency of the rotary pulsating signal s or control frequency is a controlled frequency or not then when the frequency of the rotary pulsating signal s equals the controlled frequency the set up frequency judge switcher 23 judges whether the frequency of the.