This creation is a kind of speed control unit of rehabilitation machine,It includes: a control unit,It is one ultrasonic sensing element of coupling,The control unit measures a distance value by the ultrasonic sensing element,To control movement speed person,And the ultrasonic sensing element more couples a filter element,The control unit more couples a camera again and a laser distance-measuring device analyzes a movement locus of object,To detect the relative position of front obstacle,In addition,The control unit more couples an indoor navigation auxiliary device; By it,The distance value of ultrasonic sensing element detecting is filtered into noise using filter element by ultrasonic sensing element,The forward speed and turning velocity for calculating safety operation are used,The speed of indoor navigation auxiliary device safety is set to advance,FurthermoreBy installing camera and laser distance-measuring device,By distance between the area of front environment and user and indoor navigation auxiliary device,Navigation aids are given by control unit output,And control the movement speed of appropriate advance.本創作係一種復健機器之速度控制裝置,其包含:一控制單元,其係耦接一超音波感測元件,該控制單元係藉由該超音波感測元件測定一距離值,以控制移動速度者,且該超音波感測元件更耦接一濾波元件,又該控制單元更耦接一攝影裝置及一雷射測距裝置分析一物體運動軌跡,以偵測前方障礙物之相對位置,此外,該控制單元更耦接一室內導航輔助裝置;藉之,藉由超音波感測元件利用濾波元件將超音波感測元件偵測之距離值加以過濾雜訊,藉以推算安全操作之前進速度與轉向速度,使室內導航輔助裝置得以安全之速度行進,再者,藉由裝設攝影裝置與雷射測距裝置,將前方環境之面積及使用者與室內導航輔助裝置間距離,藉控制單元輸出予導航輔助裝置,並控制適當前進之移動速度。