为移动机器人设计感知与决策的高效协同方案,降低资源消耗。
CODEI: Resource-Efficient Task-Driven Co-Design of Perception and Decision Making for Mobile Robots Applied to Autonomous Vehicles
- 通过占用查询量化感知需求,优化传感器与算法选择。
- 采用整数线性规划实现软硬件协同设计,显著降低能耗与成本。
- 适合自动驾驶系统设计者参考,尤其关注资源约束场景。
本文针对移动机器人设计中的集成挑战,提出一种任务驱动的软硬件协同优化方法,旨在平衡安全性、效率与资源消耗(如成本、能耗、计算量、重量)。通过引入占用查询概念,量化采样式运动规划对感知的需求,并基于误检率(FPR)和漏检率(FNR)评估传感器与算法在几何关系、物体属性、分辨率及环境条件下的表现。结合感知需求与性能,构建整数线性规划(ILP)模型,实现传感器、算法、计算单元与机器人本体的联合优化。该框架命名为CODEI(Co-design of Embodied Intelligence)。以城市自动驾驶车辆为例,研究显示复杂任务提升资源需求,且任务性能影响自主栈选型:成本与重量优先时倾向使用相机;能源与算力效率优先则更倾向激光雷达。
原文摘要 · Abstract (English)
This paper discusses the integration challenges and strategies for designing mobile robots, by focusing on the task-driven, optimal selection of hardware and software to balance safety, efficiency, and minimal usage of resources such as costs, energy, computational requirements, and weight. We emphasize the interplay between perception and motion planning in decision-making by introducing the concept of occupancy queries to quantify the perception requirements for sampling-based motion planners. Sensor and algorithm performance are evaluated using False Negative Rates (FPR) and False Positive Rates (FPR) across various factors such as geometric relationships, object properties, sensor resolution, and environmental conditions. By integrating perception requirements with perception performance, an Integer Linear Programming (ILP) approach is proposed for efficient sensor and algorithm selection and placement. This forms the basis for a co-design optimization that includes the robot body, motion planner, perception pipeline, and computing unit. We refer to this framework for solving the co-design problem of mobile robots as CODEI, short for Co-design of Embodied Intelligence. A case study on developing an Autonomous Vehicle (AV) for urban scenarios provides actionable information for designers, and shows that complex tasks escalate resource demands, with task performance affecting choices of the autonomy stack. The study demonstrates that resource prioritization influences sensor choice: cameras are preferred for cost-effective and lightweight designs, while lidar sensors are chosen for better energy and computational efficiency.
Thank you to arXiv for use of its open access interoperability. PaperDance 不是 arXiv 官方产品;中文卡片由大模型生成,请以原文为准。