US 12,601,123 B2 · State of compaction indication

Abstract

A system for determining a state of compaction of a work material during a compaction operation: a roller associated with a machine for engaging and compacting the work material; a power loss sensor for generating power loss signals indicative of a power loss of the machine; a speed sensor for generating speed signals indicative of a speed of the machine; and a controller that: receives an actual drive power target value, receives the power loss signals from the power loss sensor, receives the speed signals from the speed sensor, determines a gross power of the machine based on the power loss signals, determines a friction loss power of the machine based on the speed signals, and determines an actual drive power of the machine based on the gross power and the friction loss power, the actual drive power corresponding to the state of compaction of the work material.

Claims20

Dependent claims

A system for determining a state of compaction of a work material during a compaction operation, the system comprising:

a roller associated with a machine and configured to engage and compact the work material;
a power loss sensor configured to generate power loss signals indicative of a power loss of the machine;
a speed sensor configured to generate speed signals indicative of a speed of the machine;
and
a controller configured to:
receive an actual drive power target value,
receive the power loss signals from the power loss sensor,
receive the speed signals from the speed sensor,
determine a gross power of the machine based on the power loss signals,
determine a friction loss power of the machine based on the speed signals,
determine an actual drive power of the machine based on the gross power and the friction loss power, the actual drive power corresponding to the state of compaction of the work material, and
provide an indication to an operator of the machine upon a deviation between the actual drive power and the actual drive power target value.

9 more elements

A method for determining a state of compaction of a work material during a compaction operation by a machine, the machine having a roller for engaging and compacting the work material, the method comprising:

receiving an actual drive power target value;
receiving power loss signals indicative of a power loss of the machine;
receiving speed signals indicative of a speed of the machine;
determining a gross power of the machine based on the power loss signals;
determining a friction loss power of the machine based on the speed signals;
determining an actual drive power of the machine based on the gross power and the friction loss power, the actual drive power corresponding to the state of compaction of the work material;
and
providing an indication to an operator of the machine upon a deviation between the actual drive power and the actual drive power target value.

5 more elements

Dependencies are inferred from the claim text.

State of compaction indication

Life of this patent

State of compaction indication

Life of this patent

Abstract

Claims20