Patent ID: 11891762
Assignee: CATERPILLAR PAVING PRODUCTS INC.
Field: Civil engineering (Other fields)
Classification: CPC E  G | IPC E

Claim 0:
1. A cold planer comprising:
a rotor supported by a frame of the cold planer;
a rotor housing, supported by the frame of the cold planer, to house the rotor at least partially within an internal volume of the rotor housing;
an accelerometer to sense vibrations associated with a cutting operation of the rotor, the accelerometer being disposed adjacent to the rotor, on the rotor housing but outside of the internal volume of the rotor housing, where during the cutting operation the cold planer is moving in a cutting direction; and
circuitry operatively coupled to the accelerometer and the rotor and configured to
receive vibration amplitude data and vibration frequency data from the accelerometer during the cutting operation of the rotor,
with the vibration amplitude data and/or vibration frequency data at or above a first predetermined level indicating that the cutting operation is being performed with respect to a first material, determine whether the vibration amplitude data and/or the vibration frequency data spikes above a second predetermined level indicating that the cutting operation is being performed with respect to a second material harder than the first material,
identify the second material based on the vibration amplitude data and/or the vibration frequency data above the second predetermined level, and
control cutting settings of the cold planer based on the identified second material to achieve a target cutting setting for the cutting operation in the second material,

wherein the second predetermined level is based on a speed of travel of the cold planer in the cutting direction during the cutting operation and a rotational speed of the rotor during the cutting operation occurring at a same time, and
wherein the target cutting setting for the cutting operation in the second material is the same as a target cutting setting for the cutting operation in the first material and includes a same depth of cut for the rotor.