[elevator control system] design of elevator control system based on VHDL language and state machine, using state machine

1. Software version

quartusii/Maxplusii

2. System Overview

        As an important means of transportation in high-rise buildings, elevators are increasingly closely related to people's work and life . Among the three main control modes of elevator , The relay control system has a high failure rate 、 Poor reliability 、 The control mode is not flexible and consumes large power , Has been phased out . Although the microcomputer control system has strong functions in intelligent control , But there is also poor immunity , The system design is complex , It is difficult for ordinary maintenance personnel to master their maintenance technology and other defects . and FPGA/CPLD The control system has high reliability , Easy to use and maintain , Strong anti-interference , Short design and commissioning cycle , It is highly valued by people , It has become the most used control mode in the elevator control system , At present, it is also widely used in the technical transformation of traditional relay control system . FPGA As a new generation of industrial controller , With its high reliability and progressiveness , It is widely used in elevator control , Thus, the elevator has developed from the traditional relay control mode to an important direction of computer control , It has become one of the hotspots of elevator control and technical transformation . FPGA It is a microcomputer system specialized in logic control . because FPGA It has stable performance 、 Strong anti-interference ability 、 Flexible design and configuration . Therefore, it has been widely used in industrial control . since 90 Late S FPGA Since the introduction of China's elevator industry , from FPGA The elevator control system is widely used by many elevator manufacturers , And formed a series of finalized products . In the reconstruction project of traditional relay system ,FPGA The system has always been the mainstream control system . The elevator control system is divided into speed regulation part and logic control part . The performance of the speed regulation part has an important impact on the comfort of the passengers when the elevator is running , The logic control part is the key to the safe and reliable operation of the elevator . In order to improve the comfort and reliability of the elevator , Now they all use FPGA To control the operation of the elevator , This greatly improves the performance of the elevator . FPGA It's a programmable logic device , It's in PAL、GAL And other logic devices . Same as before PAL,