Electrifying vehicles yields advantages such as reduced emissions, better performance and more flexibility. While electric machines can directly drive the wheels or tracks of heavy-duty mobile machines (HDMMs), the implements require a combination of electrics and hydraulics for robust, high-force linear actuation. This survey focuses on different of such electro-hydraulic implement systems that have been proposed by industry and academia over the last decades. For the hydraulic circuits, centralized valve-controlled architectures are identified as less progressive but easy to implement for a fast market penetration, while novel decentralized circuit concepts can be more efficient but also more challenging for HDMMs compared to stationary or aircraft applications. The electric machine (EM)-pump combinations are mostly formed out of standard components so far, while customized, integrated or even linear-pump concepts offer room for improvement. Different forms of non-stationary electric energy supplies were also found to be numerous, but many technologies require more development.

电动汽车带来了诸如减少排放、更好的性能和更大的灵活性等优势。虽然电机可以直接驱动重型移动机械 (HDMM) 的车轮或履带，但这些机具需要电气和液压的组合才能实现稳健、高力的线性驱动。本次调查重点关注工业界和学术界在过去几十年中提出的不同的此类电动液压机具系统。对于液压回路，集中式阀控架构被认为不太先进但易于实施以实现快速的市场渗透，而与固定式或飞机应用相比，新的分散式回路概念对于 HDMM 来说可能更高效，但也更具挑战性。迄今为止，电机 (EM) 泵组合大多由标准组件构成，而定制、集成甚至线性泵概念提供了改进空间。不同形式的非固定电能供应也被发现很多，但许多技术需要更多的发展。