Battery pack powered trowel including blade pitch and speed control

1 . A power trowel comprising:

a handle;

a housing;

a blade assembly including a trowel blade;

a motor coupled to the blade assembly;

a plurality of sensors configured to generate output signals related to an operational state of the power trowel;

a controller connected to the motor and the plurality of sensors, the controller configured to:

receive the output signals from the plurality of sensors,

determine, based on the output signals, a speed setting for the blade assembly and a pitch angle for the trowel blade, and

control the motor to drive the blade assembly at the speed setting with the trowel blade at the pitch angle.

2 . The power trowel of claim 1 , wherein the plurality of sensors include a load sensor configured to provide a load signal indicative of a load condition of the motor.

3 . The power trowel of claim 2 , wherein the controller is further configured to:

monitor the load condition of the motor; and

adjust at least one of the speed setting and the pitch angle based on the load condition of the motor.

4 . The power trowel of claim 3 , wherein the load condition is at least one selected from a group consisting of: a current draw of the motor, a power draw of the motor, a rotations-per-minute (“RPM”) of the motor, and an RPM of the blade assembly.

5 . The power trowel of claim 1 , wherein the plurality of sensors include a motion sensor configured to provide a motion signal indicative of a motion of the power trowel.

6 . The power trowel of claim 5 , wherein the controller is further configured to:

monitor the motion of the power trowel; and

adjust at least one of the speed setting and the pitch angle based on the motion of the power trowel.

7 . The power trowel of claim 1 , further comprising:

a machine learning controller configured to:

determine, based on the output signals, the speed setting for the blade assembly and the pitch angle for the trowel blade.

8 . The power trowel of claim 1 , wherein:

the plurality of sensors include at least one of an electromagnetic wave/radar sensor, an ultrasonic sensor, and concrete penetrometer; and

the controller is further configured to:

determine a parameter of a surface based on the output signals from the plurality of sensors.

9 . A method of controlling a power trowel, the method comprising:

receiving, from a plurality of sensors, output signals related to an operational state of the power trowel;

determining, using an electronic controller, a speed setting for a blade assembly and a pitch angle for a trowel blade based on the output signals related to the operational state of the power trowel; and

controlling a motor to drive the blade assembly at the speed setting with the trowel blade at the pitch angle.

10 . The method of claim 9 , wherein the plurality of sensors include a load sensor providing a load signal indicative of a load condition of the motor.

11 . The method of claim 10 , further comprising:

monitoring the load condition of the motor; and

adjusting at least one of the speed setting and the pitch angle based on the load condition of the motor.

12 . The method of claim 11 , wherein the load condition is at least one selected from a group consisting of: a current draw of the motor, a power draw of the motor, a rotations- per-minute (“RPM”) of the motor, and an RPM of the blade assembly.

13 . The method of claim 9 , wherein the plurality of sensors include a motion sensor providing a motion signal indicative of a motion of the power trowel.

14 . The method of claim 13 , further comprising:

monitoring the motion of the power trowel; and

adjusting at least one of the speed setting and the pitch angle based on the motion of the power trowel.

15 . The method of claim 9 , further comprising:

determining, using a machine learning controller and based on the output signals, the speed setting for the blade assembly and the pitch angle for the trowel blade.

16 . The method of claim 9 , wherein the plurality of sensors include at least one of an electromagnetic wave/radar sensor, an ultrasonic sensor, and concrete penetrometer; and

the method further comprises:

determining a parameter of a surface based on the output signals from the plurality of sensors.