Cleaning system for a sensor arrangement

1 . A control system for a sensing arrangement of an agricultural machine, the control system comprising one or more controllers, and being configured to:

receive operational data indicative of an output from the sensing arrangement and/or an operational parameter for the agricultural machine, the operational parameter for the machine comprising a location of the machine within a working environment;

determine, in dependence on the received operational data, a cleaning strategy for a cleaning system of the sensing arrangement;

generate and output a control signal for controlling one or more operable components associated with the cleaning system for controlling the cleaning system in accordance with the cleaning strategy; and

control performance of a cleaning operation for the sensing arrangement in dependence on the machine being located within a headland of the working environment,

wherein the cleaning strategy comprises controlling operation of the one or more operable components in a manner so as to reduce a build-up of material on a surface of the sensing arrangement.

2 . A control system as claimed in claim 1 , wherein the sensing arrangement comprises a grain loss sensor.

3 . A control system as claimed in claim 1 , wherein:

the one or more operable components comprise an airflow system for the machine; and

the cleaning strategy comprises controlling an airflow generated by the airflow system.

4 . A control system as claimed in claim 1 , wherein:

the one or more operable components comprise a crop processing mechanism of the machine; and

the cleaning strategy comprises controlling an opening er the like associated with one or more operable components of the crop processing mechanism.

5 . A control system as claimed in claim 1 , configured to receive the operational data in the form of sensor data from one or more environment sensors associated with the machine.

6 . A control system as claimed in claim 5 , comprising or being operably connected to an image processing module for determining, from the sensor data received from the one or more environment sensors, the location of the machine with respect to the working environment.

7 . A control system for a sensing arrangement of an agricultural machine, the control system comprising one or more controllers and being configured to:

receive operational data indicative of an output from the sensing arrangement and/or an operational parameter for the agricultural machine, the operational parameter for the machine comprising a measure of a throughput of material in one or more material flowpaths within the machine, wherein the measure of the throughput comprises a flow rate of material within the machine;

determine, in dependence on the received operational data, a cleaning strategy for a cleaning system of the sensing arrangement; and

generate and output a control signal for controlling one or more operable components associated with the cleaning system for controlling the cleaning system in accordance with the cleaning strategy,

wherein the cleaning strategy comprises controlling operation of the one or more operable components in a manner so as to reduce a build-up of material on a surface of the sensing arrangement, and

wherein the control system is configured to:

compare the measured flow rate with a threshold flow rate; and

determine the cleaning strategy in dependence thereon.

8 . A control system as claimed in claim 1 , wherein the operational parameter for the machine comprises a measure of a pitch, roll or tilt angle of the machine.

9 . A control system of claim 1 , configured to monitor the output of the sensing arrangement and to determine a need for performance of the cleaning strategy in dependence on that output.

10 . A control system as claimed in claim 1 , operable to receive sensor data from one or more further sensors monitoring one or more further crop parameters.

11 . A control system as claimed in claim 1 , operable to determine the cleaning strategy for the sensor arrangement in dependence on one or more environmental parameters.

12 . A control system as claimed in claim 1 , configured to automate performance of the cleaning strategy in dependence on one or more operating conditions being met.

13 . A control system as claimed in claim 1 , wherein the one or more operable components comprise a user interface for providing an indication to an operator of the machine of a need or suggestion to perform the cleaning strategy.

14 . A cleaning system for a sensing arrangement of an agricultural vehicle comprising and/or being controllable by the control system of claim 1 .

15 . A sensing arrangement comprising one or more sensor units and the cleaning system of claim 14 .

16 . An agricultural machine comprising the cleaning system of claim 14 .

17 . A method of controlling a cleaning system for a sensing arrangement of an agricultural machine, comprising:

receiving operational data indicative of an output from the sensing arrangement and/or an operational parameter for the agricultural machine, the operational parameter for the machine comprising a location of the machine within a working environment;

determining, in dependence on the received operational data, a cleaning strategy for the cleaning system of the sensing arrangement;

controlling one or more operable components associated with the cleaning system for controlling the cleaning system in accordance with the cleaning strategy; and

controlling performance of a cleaning operation for the sensing arrangement in dependence on the machine being located within a headland of the working environment,

wherein the cleaning strategy comprises controlling operation of the one or more operable components in a manner so as to reduce a build-up of material on a surface of the sensing arrangement.

18 . A method of controlling a cleaning system for a sensing arrangement of an agricultural machine, comprising:

receiving operational data indicative of an output from the sensing arrangement and/or an operational parameter for the agricultural machine, the operational parameter for the machine comprising a measure of a throughput of material in one or more material flowpaths within the machine, wherein the measure of throughput comprises a flow rate of material within the machine;

determining, in dependence on the received operational data, a cleaning strategy for the cleaning system of the sensing arrangement, wherein determining the cleaning strategy includes comparing the flow rate with a threshold flow rate; and

controlling one or more operable components associated with the cleaning system for controlling the cleaning system in accordance with the cleaning strategy,

wherein the cleaning strategy comprises controlling operation of the one or more operable components in a manner so as to reduce a build-up of material on a surface of the sensing arrangement.