In order to occupy a place in the excavator market competition, many foreign well-known excavator manufacturers have proposed energy-saving control systems with independent intellectual property rights. The representative energy-saving control products of these companies mainly include PMS system of O&K, CAPS system of Link-Belt, EPC system of Caterpillar, OHS system of Hitachi, OLSS system of Komatsu, APC system of Kato, ITCs system of Kobelco, EPOS system of Daewoo, etc. The following Kato control system for a brief analysis.
The double pump can automatically adjust the pressure and flow of the hydraulic pump according to the load, so that the utilization rate of the output power of the diesel engine can reach 100%, so as to adapt to various working conditions. According to the operation content and site conditions, the output torque of diesel engine and the oil supply quantity of hydraulic pump are always in the best matching state.
