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Omnidirectional configuration and control approach on mini heavy loaded forklift autonomous guided vehicle

机译:微型重载叉车自主导引车的全向配置与控制方法

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This paper presents the omnidirectional configuration and control approach on Mini Heavy Loaded Forklift Autonomous Guided Vehicle (MHeLFAGV) for flexibility maneuverability in confine and narrow area. The issue in turning motion for nonholonomic vehicle in confine area becoming a motivation in MHeLFAGV design to provide holonomic vehicle with flexible movement. Therefore an omni-wheeled named Mecanum wheel has been configured in this vehicle design as well as omnidirectional control algorithm. MHeLFAGV system is developed with collaboration and inspired from Vacuumshmelze (M) Sdn. Bhd. Pekan, Pahang in order to have a customized mini forklift that able to work in a very confined warehouse (170cm × 270cm square) with heavy payload in a range of 20-200kg. In electronics control design, two stages of controller boards are developed namely as Board 1 and 2 that specifically for movement controller board and monitoring controller board respectively. In addition separate module of left, right, forward, backward, diagonal and zigzagging movement is developed as embedded modules for MHeLFAGV system’s control architecture. A few experiments are done to verify the algorithm for each omnidirectional movement of MHeLFAGV system in the wide area. The waypoint of MHeLFAGV movement is plotted using Global Positioning System (GPS) as well as a digital compass by mapping the longitude and latitude of the vehicle. There are slightly different between the targeted movements with recorded data since Mecanum wheeled affected by the uneven surface of the landscape. The experiment is also further on moving in confine are on the actual targeted warehouse.
机译:本文提出了微型重型叉车自动导引车(MHeLFAGV)的全向配置和控制方法,以实现狭窄和狭窄区域的机动性。非完整车辆在受限区域的转弯问题成为MHe​​LFAGV设计的动机,旨在为完整车辆提供灵活的运动。因此,已在此车辆设计中配置了名为Mecanum轮的全轮驱动以及全向控制算法。 MHeLFAGV系统是在Vacuumshmelze(M)Sdn Bhd的协作下开发的。为了拥有定制的微型叉车,该叉车能够在非常紧凑的仓库(170cm×270cm见方)中工作,有效载荷在20-200kg之间。在电子控制设计中,开发了两个阶段的控制板,分别是板1和2,分别用于运动控制板和监视控制板。此外,还开发了左右,向前,向后,对角线和曲折运动的单独模块,作为用于MHeLFAGV系统控制架构的嵌入式模块。进行了一些实验,以验证MHeLFAGV系统在广域内的每个全向运动的算法。使用全球定位系统(GPS)以及数字罗盘,通过绘制车辆的经度和纬度来绘制MHeLFAGV运动的航路点。由于Mecanum轮受到地形不平坦表面的影响,因此所记录的目标移动与稍有不同。实验还将进一步限制在实际目标仓库中。

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