The Impact of Wheel Flat on Traction Drive System of Electric Locomotives

Table 1

Classification of wheel flat research.

Categories	References	Research focuses
Wheel–rail impact force caused by wheel flat	[8]	Calculating the wheel–rail impact force and impact velocity
	[9–14]	The influence of flat length, depth, and vehicle speed on wheel–rail impact force
The influence of wheel flat on the vehicle-track system dynamics	[15–20]	The influence of flat on wheel–rail contact response
	[21]	The influence of flat on wheel wear
The influence of wheel flat on traction drive system	[22–24]	The influence of flat on gear system
	[25]	The influence of flat on traction motor
	[26]	The influence of flat on wheel–rail impact under traction and braking conditions