I forgot to mention:
Results:
Efficiency Control: 32.07 miles per kilowatt hour
Current Control: 21.63 miles per kilowatt hour
Suppose I’m an electric skateboard vendor, and a previous customer asks me what options they have to achieve greatest possible range and efficiency on their electric skateboard when commuting in start and stop city traffic. The customer’s route to work features many stop signs and stop lights, so they start and stop very frequently, but they live in a completely flat area and don’t expect to encounter any hills. The board we are discussing has a battery which typically runs at 45.98V, (4) 81.42kv hub motors which are 0.136ohms and has 83mm diameter tires. The customer states their only requirements are they want to ensure the board is capable of 30mph top speed on flat ground, and aside from that requirement, they also want highest possible range and electrical to mechanical conversion efficiency while repeatedly accelerating at full throttle during their start-and-stop morning commute. Should I recommend “efficiency control” or the “classical algorithm” to achieve this customer’s requirements (at least 30mph top speed on flat ground and greatest possible range & conversion efficiency while repeatedly accelerating at full throttle in start and stop city commuter traffic)?
Stop Sign Separation Distance: 183.5 Meters
Full Throttle Acceleration Distance: 150 Meters
The 30mph-capable rider with “efficiency control” gets 148.25% as much range in start and stop traffic with stop signs placed 183.5 meters apart compared to the 30mph-capable “current control” rider, while both use full throttle acceleration for the first 150 meters of each acceleration cycle, followed by mechanical braking.
http://tppsf.com/separation-distance.jpg
Efficiency Control: 51.62 kilometers = 32.07 miles per kilowatt hour
Classical Algorithm: 34.81 kilometers = 21.63 miles per kilowatt hour