Federal Signal is the leader in innovative equipment, signaling products, communication, and security systems that keep workers, first responders, and our communities safe and secure.

Upgrade your warning light system with FireRay LEDs, ideal for any fire apparatus, command vehicle, and ambulance. Explore the wide range of products and solutions that optimizes visibility & audio warnings that keep first responders safe.

Find the perfect police light bars for your fleet. Compare features and specifications of our complete line of industry-leading, name-brand police light bars.

2025年3月5日 · Federal Signal’s ICON™ Utility Bars have high-powered LEDs with multi-function capability. These bars are available in 13-, 21-, and 24-inch lengths. 13- and 21-inch lengths function as a unique flood/spotlight with Amber warning and Amber or White cruise light.

2025年3月5日 · Our signal light selection includes incandescent, strobe, and LED strobe lights that are IP69K Certified, UL/cUL, IECx, and ATEX Listings certified. Choose from signal light housings designed for safe areas, hazardous and explosion-proof applications, many mounting options, and various operating voltages.

2025年3月5日 · Federal Signal's strobe signal lights are suitable for a variety of applications, such as process control, plant safety, and emergency evacuation. With multiple colors, mounting options, and operating voltages, we're confident we have the signaling solution you're looking for.

2025年3月5日 · Configurable to fit every need, The Radiant modular stack light allows for up to 7 light modules; 6 light modules and 1 sound module (1 channel); or 5 light modules and 1 sound module (2 channels). Radiant modular stack light consists of four types of modules: Wiring Modules, Light Modules, Sound Modules, and Mounting Bases.

原文：FedLight: Federated Reinforcement Learning for Autonomous Multi-Intersection Traffic Signal Control. 分类：联邦强化学习， 知识共享。 特色： 使用 联邦强化学习 来控制信号灯。 本文强调通过知识共享来 更快速 的形成一个 全局 优化的智能体。 内容： 每个路口的智能体基于批样本计算了自己的平均梯度后，将此 梯度 传给 云服务器 1来进行知识共享，云服务器1聚合所有智能体的梯度后，将聚合后的梯度传给所有智能体来更新本地的 actor和critic模型。

2025年3月5日 · Work truck beacons, light bars, mini-light bars, directional warning lights, area lights, back-up cameras and back-up alarms for your fleet of utility trucks, tow trucks, construction or municipal vehicles from a brand you trust - Federal Signal.

2025年3月5日 · Integrity® is a low-profile, linear LED light bar with multi-color technology that offers work truck operators a solution to keep you safe on the road with high-performing attention-getting flash patterns and an impressive flood light to light up a work scene.