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按照人机工程学原理和车辆人机界面的设计原则,研制联合收割机驾驶室人机工程试验台。该试验台包括硬件系统和控制系统2部分,其中硬件系统由驾驶座、手操纵元件和脚操纵元件等组成,各部分几何位置可以实现自动控制调节。试验台通过控制系统匹配各元件的几何位置关系,能够模拟联合收割机驾驶室人机界面布局;根据需要,可以设计多种试验工况,并且记录试验过程和试验数据。将试验台安装在某型号联合收割机驾驶室中进行运动控制精度试验和舒适性评价试验。结果表明,试验台各元部件的运动控制误差<3%,第5、50和95百分位被试人员均可调整到舒适操作区域。该试验台可用于联合收割机驾驶室人机工程学试验研究。
According to the principle of ergonomics and the design principle of man-machine interface of the vehicle, the ergonomics test bench of the combine harvester cab was developed. The test bench includes two parts of hardware system and control system. The hardware system consists of driver’s seat, hand-operated components and foot-operated components. The geometry of each part can be automatically controlled and adjusted. The test rig can simulate the man-machine interface layout of the combine harvester by controlling the geometric position of the system to match the components of the cab; according to the requirements, a variety of test conditions can be designed, and the test process and test data can be recorded. The test rig mounted on a model combine harvester cab for motion control accuracy test and comfort evaluation test. The results show that the motion control error of each component of the test bench is less than 3%. The 5th, 50th and 95th percentile of the test subjects can be adjusted to the comfortable operation area. The test stand can be used in the ergonomics test of the combine harvester cab.