I've never had a real wheel lock up other than on purpose. My 2014 does not have an overly sensitive rear brake. The brakes do have a different feel than on my 2000 Std but then again they are very different bikes.
MSF courses use a traction PIE to try to explain available traction and how much is used going in a straight line Vs. Turns Vs. Braking. Turns use a lot more traction than going straight therefore there is less available traction for braking while turning.
ABS works best in a straight line, even in autos. It does not detect loss of traction laterally, it just detects wheel speed or lack of. When you are leaned over- side force on the tires- the ABS still sees the wheels rolling even though they are sliding out from under you. If the wheels are rolling the ABS will not activate and even if it does it may not be enough to maintain traction in the curve.
Dont know about motorcycle ABS but cars do indeed detect loss of traction laterally. ESC systems are more sophisticated and the big brother of ABS, but it does indeed have most of the same sensors and can detect lateral movement.
ABS was replaced in 2012 and newer cars with electronic stability control (ESC) which is a computerized control system that applies brakes to individual wheels and reduces engine power to ensure that drivers maintain control of their vehicles. Introduced in the mid 1990’s, this now-mandatory system in the US as of 2012.
The six main components of an ESC system are: wheel speed sensors, a control module, a steering angle sensor, a yaw rate sensor, an accelerometer, and the hydraulic modulator. Note that the hydraulic modulator is the same one used in an ABS system, meaning that ESC adds only the yaw sensor, an accelerometer, and steering angle sensor to a standard ABS system.
To understand how this system works, imagine you are driving down the highway at 60 miles per hour. You swerve left to avoid hitting a raccoon. What happens in the short duration to follow? The yaw rate sensor determines where your car is pointing, the steering angle sensor determines where your front wheels are pointing, the accelerometer determines if your vehicle is sliding, and the wheel speed sensors monitor each wheel’s speed. If you turn your wheel very abruptly to the left, your vehicle will initially under steer. This is simply Newton’s First Law. Since the front tires do not yet have enough traction, they slide and the car continues to move forward. The control module recognizes the discrepancy between the intended path (communicated by the steering angle sensor) and the actual path (communicated via the yaw rate sensor) and sends a signal to the hydraulic unit, directing it to increase braking power to the left rear wheel. This causes the automobile to rotate left (the desired response). If necessary, the control module will also reduce engine power by sending a signal to the throttle actuator asking it to close the butterfly valve.
Note that if the car were in an over steer situation (one in which the tail of the car wanted to rotate), the control module would apply braking to the front outside wheel to keep the vehicle under control.
