![]() ![]() Here, we present a class of small-scale soft electromagnetic robots made of curved elastomeric bilayers, driven by Lorentz forces acting on embedded printed liquid metal channels carrying alternating currents with driving voltages of several volts in a static magnetic field. Bio-inspired soft robots equally benefit from versatile and ultrafast motion but require appropriate driving mechanisms and device designs. A comparison of discussed power techniques is also provided, which can serve as a guideline for selecting a robot’s energy source according to the desired requirements.High-speed locomotion is an essential survival strategy for animals, allowing populating harsh and unpredictable environments. The provided solutions are categorized and discussed while the prospects and research gaps are also highlighted. Keeping in view the need for advancement in this field and to gain a better understanding of the current state of the art and future directions, this work summarizes and reviews the energy solutions presented in the literature and used in notable commercially available terrain-based mobile robots. These drawbacks are major hurdles in the wider applicability of terrain-based mobile robots to new domains and daily life scenarios, which are possible with the existing mechanical, perception, and control technologies. ![]() The current power solutions incur high initial costs and require recharging or refuelling, which makes them unsuitable for unattended long-haul worktimes and cost-effective applications. ![]() However, their widespread application is still limited due to the lack of efficient power systems for use in diverse and largely unknown/uncontrolled environments. The research on mechanical design, perception, navigation and control has carved out many commercially viable solutions for mobile robots. The future mobile robots are desired to have clean and cost-effective energy sources to have longer operation times and compliance with environmental requirements to allow application in diverse fields. The market and research work related to these robots is increasing in anticipation of industry 5.0, where humans and machines are expected to co-exist and co-work. They allow efficient, precise, and streamlined workflow that makes human work less arduous. Autonomous mobile robots are a special class of robotic systems that can move a payload from one location to the other or perform a specific task. ![]()
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December 2022
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