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. <EOS>