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Establishing UGV power requirements based on mission profiles

机译:根据任务配置文件建立UGV功率需求

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The propulsion systems employed on unmanned ground vehicle platforms in Future Force Units of Action will likely involve electric or hybrid-electric drive. Power storage systems for these platforms will therefore be driven largely by expected power depletion rates. Resistances that propulsion systems must overcome during maneuvers will be a major factor affecting power depletion rates, and the resistance forces will vary drastically depending on the mission. Therefore, realistic mission-related considerations need to be applied when defining power storage requirements. The US Army has developed numerous models and simulations that use terra-mechanics algorithms to predict maneuver capability for ground vehicles as limited by terrain and environmental factors, and the algorithms employed for predicting maneuver capability in most of these models and simulations are founded on the terra-mechanics algorithms contained in the NATO Reference Mobility Model. The NATO Reference Mobility Model uses physics-based force balancing algorithms with terra-mechanics relationships that were empirically derived from decades of vehicle-terrain interaction research, and it also incorporates proven methodologies for assessing mission effectiveness in terms of maneuver capabilities. The terra-mechanics algorithms and methodologies for assessing mission effectiveness that are implemented in this model and in other related software tools, such as those used for route analysis, can be used to generate realistic mission-related resistance profiles for defining power storage requirements.
机译:Future Force of Actions的无人地面车辆平台上使用的推进系统可能涉及电力或混合动力驱动。因此,这些平台的电力存储系统将主要由预期的电力消耗率驱动。推进系统在机动过程中必须克服的阻力将是影响动力消耗率的主要因素,并且阻力会根据任务而发生巨大变化。因此,在定义功率存储要求时,需要应用与任务相关的现实考虑。美国陆军开发了许多模型和模拟,这些模型和模拟使用地形力学算法来预测受地形和环境因素限制的地面车辆的机动能力,而大多数模型和模拟中用于预测机动能力的算法均基于地形北约参考机动性模型中包含的机械力学算法。北约参考机动模型使用了基于物理的力平衡算法,该算法具有从数十年的车辆-地形相互作用研究中凭经验得出的地形-力学关系,并且还结合了行之有效的方法来评估机动能力方面的任务有效性。在此模型和其他相关软件工具(例如用于路线分析的工具)中实施的用于评估任务有效性的地形力学算法和方法可用于生成逼真的与任务相关的阻力曲线,以定义储能需求。

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