Various features available in present
electric bikes are as follows
already discussed, electric bike drive system is power electronic based and
embedded based control. Due to this, this technology got the advantage of
implementation of various value adding features. This story is true for
electric bikes from any country i.e. India, China, Taiwan or any other. we will
discuss these features in brief
- Current Limit: As Electric bike is powered by battery, the power drawn from the battery
depends on the load and hence there should be control over the current
drawn from the battery otherwise, battery & motor life may effect. This
can be easily implemented by power electronic based BLDC Controller using
some hardware and software implementations. This feature allows only fixed current and limits the maximum
current to the programmed value. Bike would continue to run in this
- Over Current cut-off:
As battery current drawn is out of our control and is limited by load,
road conditions, we can set a maximum current point, where the drive
system will shut down automatically and only can start with ignition key
- Low/High speed set:
This features is good parental feature which will set the bike to run at
two different speeds. This allows the costumer to fix the speed based on
their urgency. Low speed set will give more drive range but of course
kills your time.
- Cruise control: This
feature being used in aero planes & luxury cars but now available only
in electric bikes due to its easy implementation with its technology.
Using Cruise control feature the vehicle can be continuously run at a
desired speed and throttle can be released.
- Brake Electrical Cut-off:
We know that brake will be stopping the motor mechanically but here in
electric bikes we can cut-off the motor electrically and mechanically
break it. This feature helps the system from high inrush current during braking.
There are two type of braking –
- Normal electric brake – cutoff the motor but motor
runs due to inertia when brake applied.
- Electromagnetic brake – cutoff the motor & motor
suddenly stops when brake applied.
- Battery Charging Bike
won’t start: This feature will not allow the
bike to start when the bike is connected to a charger and is charging.
This is a fool proof feature for the riders.
- Side stand indicator:
As these bikes normally have no gears, just a rise in the accelerator will
start the bike. If the bike is standing with side stand, it is accident
prone situation and hence, when the bike started when side stand is on,
there will be a buzzer which will remind the rider to take off the stand.
- Bike stop after idle for
some time after ignition key on: This feature is very
important in electric bikes. We know electric bikes make no noise and
hence costumer once ignition key is on and kept idle for some time might
forget that he has started the bike. Hence this feature will cut of the
system if it is idle for some specified time after ignition key on.
Costumer has to restart the bike to ride.
- Battery meter: Battery
level is displayed using an analog meter on the handle bar which will
enable the rider to plan his journey.
For applications of e-bikes where the accuracy of e-bike and km traveled
is not necessary, we need not use odometer. Usage of odometer will
increase the cost. Hence the BLDC Controller can be programmed to give the
required speed pulse which will show the speed in km/hr on analog scale of
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