Inclined wheelchair accessible lift platform mainly PLC and inverter control method is used. After collecting the information and issue commands processing PLC, inverter according to PLC commands to control the motor speed operation of the machine. Inclined wheelchair platform lift for wheelchair users primarily provide services up and down the stairs, the general structure type shown below. To prevent tipping platform, set two rails. Inclined wheelchair lift platform consists of a working platform, supporting frame, fence composed of a steel body. Work platform lifts are working part, non-slip surface of the complex material. 3 outward surface platforms are equipped with security guard, when the platform movement blocked, make the lift stop. Platform can be folded up when not in use, take up less space.