在城市环境中利用深度强化学习优化城市空气流动的低噪音轨迹)
Younghoon Kim1, Jeongwoo Ko2, Kukhwan Yu3
1Department of Aerospace Engineering, Seoul National University, Seoul, Republic of Korea.
The Journal of the Acoustical Society of America
|July 16, 2025
概括
本研究使用深度强化学习 (DRL) 来为城市空中移动 (UAM) 飞机创建更安静的飞行路径. DRL方法成功地减少了城市环境中的噪音影响,为更安静的UAM操作铺平了道路.
科学领域:
- 航空航天工程 航空航天工程
- 人工智能的人工智能
- 声学 声学 在声学方面
背景情况:
- 城市空气流动 (UAM) 运营在城市环境中面临着严重的噪音污染挑战.
- 尽量减少噪音影响对于公众接受和整合UAM至关重要.
- 现有的轨道规划方法可能无法充分解决降噪问题.
研究的目的:
- 开发和评估深度强化学习 (DRL) 方法,以优化UAM的低噪音飞行轨迹.
- 为了尽量减少地面观察员在UAM接近和着陆阶段的噪音暴露.
- 确保优化的轨迹符合飞行约束.
主要方法:
- 训练了一种深度学习 (DL) 模型,以根据噪声传播数据估计噪声地图.
- 一个DRL模型,利用软Actor-Critic算法,被设计成一个来自DL模型的噪声奖励函数.
- DRL模型优化了飞行轨迹,同时尊重预定义的飞行条件和约束.
主要成果:
- DRL模型成功地引导UAM车辆到目标区域,同时满足飞行要求.
- 案例研究表明,DRL模型能够为各种城市场景生成独特的,噪声优化的轨迹.
- 与参考轨迹相比,优化的轨迹显著降低了平均噪音水平和高噪音影响区域的范围.
结论:
- 提出的基于DRL的轨迹优化方法有效地减少了城市环境中UAM操作的噪音.
- 这种方法有助于为未来的UAM开发实际的低噪音操作策略.
- 这些发现支持将更安静的UAM集成到城市声音景观中的可行性.
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