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用于滑转率控制的拖拉机机组瞬态阻力模拟器
引用本文:张宾,余群.用于滑转率控制的拖拉机机组瞬态阻力模拟器[J].中国农业大学学报,1997,2(2):51-54.
作者姓名:张宾  余群
作者单位:[1]中国农业大学机械工程学院 [2]中国农业大学车辆工程学院
摘    要:在室内土槽台车上,研制了用于滑转率控制实验的拖拉机机组瞬态阻力模拟器,利用磁粉制动器作为施力装置。它可以替代拖拉机机组中的犁和电液伺服系统,既能模拟静态阻力和阻力扰动,又能模拟犁调节过程中的阻变化,这为研究滑转率控制系统的特征、寻求最佳控制算法提供了必要的实验手段。

关 键 词:拖拉机  滑转率  阻力模拟  磁粉制动器

Research and Design of a Simulator of Tractor-Combination Transient Resistance for Slip Control System
Zhang Bin,Yu Qun.Research and Design of a Simulator of Tractor-Combination Transient Resistance for Slip Control System[J].Journal of China Agricultural University,1997,2(2):51-54.
Authors:Zhang Bin  Yu Qun
Abstract:To study transient performance of a wheel type tractor in the respect of slip controlsystem, a tractor resistance simulator is developed which is composed of a magnetic powder brakeused for exerting force on the model tractor. The simulator which replaces the plough and electro-hydraulic servo subsystem can be used for simulating the transient tractor-combination resistace which consists of static tractor-combination resistance, disturbing resistance and the changing resistance which will occur during plowing. Based on the simplified mathematical model ofelectro-hydraulic subsystem of a tractor-combination system, the changing resistance appearingin tillage operation is simulated. The simulator is suitable for different types of tractor throughchanging the controlling software and hardware. It provides a facility for easily finding out an optimum control algorithm of the slip control system.
Keywords:tractor  slip  resistance simulator  magnetic powder brake  
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