Hui-yan Chen

We don’t have enough information about this author to calculate their statistics. If you think this is an error let us know.
Learn More
Automatic steering system is a vital component of automatic driving. Automatic steering dynamics with preview point respect to road is established. Based on automatic control theory, further analysis on longitudinal velocity to system poles and look-ahead distance to zeros is done. Accordingly, a kind of look-ahead distance is discussed and a novel feedback(More)
By using Braun-Blanquet Cover Abundance Scale method, the species diversity of Brasenia schreberi community in Dongshan Town (Suzhou City, Jiangsu Province) and Zhuantang Town (Hangzhou City, Zhejiang Province) was studied, and the results showed that in these two towns, B. schreberi community was of simple species composition and relatively low species(More)
  • 1