A header for a harvester, the header comprises: a header segment comprising a cutter bar configured to cut crops, and a first portion of a conveyor assembly; a center section comprising a second portion of the conveyor assembly, wherein the center section is configured to receive cut crops from the header segment via the first portion of the conveyor assembly, and the second portion of the conveyor assembly is configured to transport the received cut crops to a crop processing system of the harvester; an actuator coupling the header segment to the center section; and a controller configured to receive a signal indicative of a target position of the header segment and to control the actuator to adjust the header segment to the target position, characterized in that: the header comprises a sensor configured to output an additional signal indicative of a measured position of the header segment, wherein the controller is configured to control the actuator based at least in part on the measured position, wherein the actuator comprises a hydraulic cylinder coupled to a hydraulic circuit, and the controller is configured to control the hydraulic circuit to control the hydraulic cylinder, wherein the sensor is a position sensor configured to detect a position of a rod, a piston and/or another parameter of the hydraulic cylinder. a header segment comprising a cutter bar configured to cut crops, and a first portion of a conveyor assembly; a center section comprising a second portion of the conveyor assembly, wherein the center section is configured to receive cut crops from the header segment via the first portion of the conveyor assembly, and the second portion of the conveyor assembly is configured to transport the received cut crops to a crop processing system of the harvester; an actuator coupling the header segment to the center section; and a controller configured to receive a signal indicative of a target position of the header segment and to control the actuator to adjust the header segment to the target position, characterized in that: the header comprises a sensor configured to output an additional signal indicative of a measured position of the header segment, wherein the controller is configured to control the actuator based at least in part on the measured position, wherein the actuator comprises a hydraulic cylinder coupled to a hydraulic circuit, and the controller is configured to control the hydraulic circuit to control the hydraulic cylinder, wherein the sensor is a position sensor configured to detect a position of a rod, a piston and/or another parameter of the hydraulic cylinder. the header comprises a sensor configured to output an additional signal indicative of a measured position of the header segment, wherein the controller is configured to control the actuator based at least in part on the measured position, wherein the actuator comprises a hydraulic cylinder coupled to a hydraulic circuit, and the controller is configured to control the hydraulic circuit to control the hydraulic cylinder, wherein the sensor is a position sensor configured to detect a position of a rod, a piston and/or another parameter of the hydraulic cylinder.