Method and a control arrangement for adjusting a cleaning schedule for cleaning sessions of a scraper arrangement

A method for autonomously operating a scraper arrangement for adjusting a cleaning schedule for individual cleaning sessions of the scraper arrangement, wherein the scraper arrangement comprises a scraper and a load sensor and is arranged for removing manure in a livestock area;

• wherein one individual cleaning session comprises one cleaning along a predefined path in the livestock area;
• the method comprising:
• monitoring by the load sensor, while performing individual cleaning sessions in accordance with the cleaning schedule, a load quantity representing an amount of material moved by the scraper arrangement;
• adjusting the cleaning schedule automatically, based on a variation in the monitored load quantity among the monitored individual cleaning sessions, such that the variation in the monitored load quantity among the individual cleaning sessions is reduced,
• wherein the variation represents a variation among load quantities monitored during different individual cleaning sessions within one time period;
• and
• automatically operating the scraper arrangement according to the adjusted cleaning schedule.