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Recent Hybrid Braking Complaints Highlight Regenerative Braking Design Issues

Posted on February 08, 2010

Comparison of regenerative/hydraulic (friction) braking ratios under normal braking. Left: 2001-2003 Toyota Prius (THS). Right: 2004-2009 Toyota Prius (THS-II). Source: Toyota Motor Company. Click to enlarge. by Jack Rosebro Recent brake feel and application issues in Ford and Toyota hybrids (earlier post) have drawn attention to the inherent complexity of hybrid and electric vehicle braking systems, which typically combine regenerative braking with conventional friction braking, antilock braking and vehicle stability control functions. Such issues are often addressed through software upgrad...

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battery , electric , hybrid