1. 981 Sciences for Designers Week 5: Math and Design Part I- Math as a Design Tool 1. The application of trigonometric functions to product design 2. Some cases
2. 應用簡單的三角幾何做產品設計 - 定位與感測運動 http://www.youtube.com/watch?v=Urh-SAVlIbA&feature=player_embedded# Natal human controller, MS smart chair, NUU
3. 三角函數 – 複 習 三角函數將直角三角形的邊長與角度聯繫起來,所以只要一邊與一角已知,就可推算出其它邊。 a b c θ 的值按計算機即可獲得。
6. 案例 3 : - speed-sensitive wiper Problem : a wiper cannot wipe away rain drops on the windshield effectively when the car is sped up. Task : design a speed-sensitive wiper.
7. 長度變長 打到車窗的 水量 與三角形的 斜邊長 有 正比 關係 v C v R v C v R 水量 雨刷頻率 畢氏定理:
8. 案例 4 : determination of sitter’s position A smart chair can monitor sitter’s posture and send messages of changing posture as a sitter is not sitting upright or working too long. What is the mathematical model to be implanted in the control chip?
9. Strategy : known- α,β & c a, b x, y α β c a b x y ( x, y ) Define regions of (x, y) for various warning signals