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Modeling and Simulation of an Unmanned Ground Vehicle Power System.
| 题名： | Modeling and Simulation of an Unmanned Ground Vehicle Power System. |
| 作者： | Atkins, E.; Broderick, J.; Hartner, J.; Tilbury, D. |
| 关键词： | Efficiency; Electric Batteries; Energy Storage; Fuel Cells; Ground Vehicles; Hybrid Systems; Models; Power Equipment; Robots; Simulation; Ugv(unmanned Ground Vehicles); Unmanned |
| 摘要： | Long-duration missions challenge ground robot systems with respect to energy storage and efficient conversion to power on demand. Ground robot systems can contain multiple power sources such as fuel cell, battery and/or ultra capacitor. This paper presents a hybrid systems framework for collectively modeling the dynamics and switching between these different power components. The hybrid system allows modeling power source on/or switching and different regimes of operation, together with continuous parameters such as state of charge, temperature, and power output. We apply this modeling framework to a fuel cell/battery power system applicable to unmanned ground vehicles such as Packbot or TALON. A simulation comparison of different control strategies is presented. These strategies are compared based on maximizing energy efficiency and meeting thermal constraints. |
| 报告类型： | 科技报告 |
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