C2019-17 – An Introduction to MACROS: The Mechanically Actuated Control-arm Regenerative Output System

Technology # 19-17 A System for a mechanically actuated control-arm regenerative output system The Mechanically Actuated Control-arm Regenerative Output System, or MACROS, is a device that harnesses the kinetic energy from a suspension system that would otherwise be expended as heat to produce electrical energy via mechanical actuation. This electrical energy can be used to provide power to the wheels via an electric motor. 10 years ago, the first Kinetic Energy Recovery System (KERS) was designed. It harnessed the kinetic energy of a slowing car to produce electrical energy (i.e. energy regeneration), whereas a non-KERS equipped car would expend that energy as heat during braking. It was used extensively in Formula 1 and has recently been implemented in some high-end production automobiles. Before MACROS, several attempts were made at developing a KERS that utilized the kinetic energy of suspension rather than braking to regenerate electrical energy (hydraulically actuated, electromagnetically actuated, mechanically actuated), but most have been abandoned due to cost of development and a lack of manufacturability resulting from complex design schemes. Even automotive manufacturer Audi has teased their design for years but, ‚ has no firm production plans‚ as of last year. Sounds like things got complicated. Technology Ventures ventures@uark.edu 479-575-7243

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