Patent ID: 8442730

Claim:
A construction machine comprising: a working equipment; an operating unit that is used to operate the working equipment; and a controller that controls the working equipment based on a manipulating signal inputted through the operating unit, the controller comprising: a target command value computing unit that generates a speed target command value for normal motion of the working equipment based on the manipulating signal; a target command value correcting unit that corrects the speed target command value for normal motion; and a command signal output unit that outputs a command signal to a driving device that drives the working equipment based on the corrected speed target command value, the target command value correcting unit comprising: a vibration suppressing unit that generates a speed target command value for vibration suppression to suppress generation of vibrations in the working equipment based on the speed target command value for normal motion; a peak value recognizing unit that recognizes a peak value of the speed target command value for normal motion based on the speed target command value for normal motion sequentially generated by the target command value computing unit; and a target command value compositing unit that composites the speed target command value for normal motion and the speed target command value for vibration suppression in accordance with the peak value to correct the speed target command value for normal motion.