將小白鼠以人為方式破壞腦部，模擬腦部受創的情形，用藥物、手術或復健等方法改善病況，以量測肢體抓力當作指標，做為治療是否有效的參考。以機器進行自動化的抓力量測，減少人為因素產生的誤差。

　　小白鼠放在傾斜板上，當仰角變大，小白鼠會無法繼續攀附而滑落，利用紅外線感應裝置記錄滑落時的時間。本系統以Atmel所生產的ATmega32L單晶片為核心，以AVR輸出脈波來控制步進馬達的轉動方向和速度，使平板仰角逐漸上升，老鼠因為自身的重量超過抓力而無法繼續攀附，此時藉由紅外線偵測器得到老鼠滑下的時間點，步進馬達可以開回路方式完成定位，能由此推算出當時傾斜板的角度。

　In this paper we destroy the brain of the mice artificially to simulate the situation of damaged brain. After this, we use medicine, surge, and rehabilitation to improve the situation. Finally, we determine the therapy is work or not by measure the grasp ability of limb. To decrease the inaccuracy caused by human, a machine of automatic measurement of the ability of grasp has been used.

　We place a mice on a inclined plane, when the angle of elevation increase, the mice would slip. .An infrared rays induction system would be used to record the time of mice slipping. The core of this system is ATmega32L microcontroller. Pulses which were generated by AVR are used to control the direction and velocity of the stepping motor, and increase the angle of the inclined plane. The mice will slip because it’s weight exceed grasp ability. At this moment, an infrared rays induction system would be used to record the time of mice slipping. Stepping motor can work in the situation of open loop.
We can get the angle of the inclined plane.

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