1Thus, the time and cost of introducing new architectures are justified only if there is constant use of the equipment driven by both remote and mid-mount distributors, due to the similarity of these components with circuit architecture.
Another critical aspect is that final users often do not know the actuator geometry of agricultural equipment and this kind of knowledge is fundamental for correct operation of the control systems.
2The authors are currently testing an iterative procedure to overcome this problem: initial operation of the tractor is performed with the sole aim of determining geometry from pressure and flow measurements, which are elaborated by the ECU, controlling the independent valves in order to replicate the
behaviour of a traditional distributor with a single spool.
Subsequently, the control strategy uses an area ratio estimation to more efficiently control the independent metering valves.