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Advance of Study on Design Methods of Hydraulic System of Radio Remote Control of Construction Machinery 被引量:1
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作者 FENG Kai-lin,YANG Wei-min,CHEN kang-ning(Xi’an Jiaotong University,Xi’an,710049,PRC) 《Journal of Northeast Agricultural University(English Edition)》 CAS 2003年第2期156-160,共5页
The working principle of radio remote controlling of construction machinery should be that signals of the radio wave from the transmitter obtained in the receiver were controlled and then changed into electronic analo... The working principle of radio remote controlling of construction machinery should be that signals of the radio wave from the transmitter obtained in the receiver were controlled and then changed into electronic analog or digital signals which can be used to drive different actuators and mechanisms of the vehicle.The vehicle could be acted by following the controlling instructions sent by the operator.The best operation mode of construction machinery is suitable not only to manual operating but also to remote controlling in the same vehicle.The design methods of the hydraulic system used for the radio remote controlling of construction machinery are discussed.The design methods of hydraulic circuits for the actuators controlled by solenoid on-off type valves,hydro-electronic multi-way proportional valves,closed loop proportional servo driver or three-way proportional reducing valves are discussed in detail (with real example).The design methods of the power shift transmission of electro-hydraulic controlling,the devices of braking and the directional streering are discussed in this paper. 展开更多
关键词 radio remote controlling construction machinery proportional controlling three-way proportional pressure reducing control
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