Patent ID: 8965638
Filing Date: 2015-02-24
Classification: B06B,E01C,E02D

Abstract:
1. A controller for use in a vibratory work machine, comprising: a frequency signal generation routine that includes receiving a frequency selection signal from a user adjustable frequency input device indicative of a setting of the frequency input device at one of a plurality of discrete frequency settings, and generating a frequency control signal having a characteristic corresponding to a frequency setting of the frequency selection signal; and a frequency signal output routine that includes receiving an amplitude selection signal from a user adjustable amplitude input device indicative of a setting of the amplitude input device at one of a plurality of discrete amplitude settings, determining an amplitude setting of the amplitude input device based on the received amplitude selection signal, outputting at least the frequency control signal from the controller to a power source of the vibratory work machine in a manner to cause a vibrator mechanism of the vibratory work machine to rotate in a first direction to generate vibrations having a vibration frequency corresponding to the frequency setting of the frequency selection signal and a first vibration amplitude in response to determining that the amplitude setting of the amplitude selection signal is equal to a first discrete amplitude setting, and outputting at least the frequency control signal from the controller to the power source in a manner to cause the vibrator mechanism to rotate in a second direction to generate vibrations having a vibration frequency corresponding to the frequency setting of the frequency selection signal and a second vibration amplitude in response to determining that the amplitude setting is equal to a second discrete amplitude setting, wherein the frequency input device and the amplitude input device are independently adjustable.