Abstract
Motion controller is one of the core components in construction machinery equipment. Compared with general-purpose motion controller based on PC or PLC, embedded motion controller (EMC) for construction machinery is characterized by the strong pertinency and specialty for this field. This paper describes the key technologies on developing the hardware and software of EMC for construction machinery, including architecture of embedded hardware and software platform, drive protection and current feedback of PWM, power supply technology, fault diagnosis and tolerance, standard of IEC61131-3 for control configuration etc. Two research & development modes and the current technology status of EMC in the world are analyzed. An example of developing EMC product is presented. Furthermore, the development trend to high-end, intellectualization and informatization of EMC for construction machinery and its optimization impact on operating mode of the product are discussed. A great opportunity for developing the brands of EMC is also pointed out.
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