Abstract
I'm developing the new mobility of skateboard type which can be carried into a public transportation. And the experimental model exists in my laboratory now. This experimental model can run at about 13 km/h. The time this experimental model can run continuously is 30 minutes. And the possible weight which rides is 80 kg. The weight of an experimental model is 14 kg. Fundamental travelling performance is as mentioned above. However, This experimental model has a some problem. Especially a big problem is being unable to over a higher step. Hence, My study is enabling it to over a higher step with an experimental model.