b'Engineer Innovation | AutomotiveSolving Hybrid EngineRestart Vibration with Honda R&D Co., Ltd.Resolving NVH of hybrid vehiclesSlowly but surely, the Western world isin Europe (where gas prices are becoming familiar with cars going intohighest) have the start-stop capability sleep mode when idlingfor example,on board. But adoption is far behind while stopped at a traffic light. Enginethe curve in other, less urbanized areas start-stop systems (also called idlingof the world, including the United stop) have been quite common for aStates, with only 7% of cars equipped, solid decade now, and their presenceand many owners turn the feature off probably will keep growing. The firstwhen they have it. systems date back to the early 1980s, with the release of the VolkswagenThis resistance cannot merely be Polo Formel E. in 1983 (in Europereduced to laggards, and therefore only). Interestingly, disturbingraises concern throughout the vibrations at engine restart are theautomotive industry. The antagonism reason that start-stop systems didntstems from the vibrations that come quite catch on back then, and are stillwith restart, which are considered an impeding factor for widespreadannoying because they interrupt or spoil adoption today. music or silence. In contrast to starting the engine by physically turning a key or Please dont stop the music pushing a button, restart vibrations The benefit of idling stop systems isoccur when passengers do not expect or obvious. The start-stop feature not onlywant them. The vibration noise is cuts fuel consumption by 10-15%, butespecially disturbing in hybrid vehicles, also reduces emissions accordingly.which restart their engines while driving With fuel efficiency ranking at the verywithout any driver causal action like top of parameters that consumersshifting gears. Engine restart happens consider when buying a car, engineentirely on the cars terms, rather than start-stop has become the norm foron those of the driver. As with original equipment manufacturersturbulence on an airplane, the element (OEMs) today. According to IHSof surprise can render an experience Automotive, almost 70% of cars drivingeven more unpleasant than it would be. 44'