Motor Speed Detection Based on Single Chip Microcomputer and Waveform Recording System Design

2014 ◽  
Vol 1021 ◽  
pp. 163-166
Author(s):  
Shu Qing Ma ◽  
Chuan Jun Wang
Keyword(s):  
High Performance ◽  
Price Ratio ◽  
Reliable Control ◽  
Motor Speed ◽  
Single Chip ◽  
Single Chip Microcomputer ◽  
Speed Measurement ◽  
Microcomputer Control ◽  
Hall Sensors ◽  
Hardware Circuit

this article is to use AT89C51 single-chip microcomputer control of intelligent speed measuring instrument. Motor in the process of operation, need to be monitored, speed is a necessary one parameter. This system is carried out on the motor speed measurement, and can be conducted and PC communication, shows that the speed of the motor, and observe the basic condition of the motor running. Mainly USES AT89C51 as the control core, by hall sensors, LED digital tube, the NE555, L298N, operational amplifiers, etc. SCM measuring speed system was introduced in detail. Give full play to the performance of the single chip microcomputer. The focus is on measuring speed and display. Its advantage is hardware circuit is simple, software function is perfect, measuring speed, high precision, reliable control system, the characteristics of high performance-to-price ratio.

Smart Car Design and Implement Based on SCM AT89C55 Application

2012 ◽  
Vol 503-504 ◽  
pp. 241-244
Author(s):  
Xiao Zhen Li ◽  
Jian Lin Zhang ◽  
Wen Sheng Zou ◽  
Yao Ming Kang
Keyword(s):  
High Performance ◽  
Speed Control ◽  
Motor Speed ◽  
Single Chip ◽  
Led Driver ◽  
Successive Approximation Adc ◽  
Electric Car ◽  
Software Algorithms ◽  
And Control ◽  
Hardware Circuit

A microcontroller AT89C55 was used as the detection and control core of the electric car passing seesaw in the design. Reflective photoelectric switch LTH1550 -01 constitute the patrol line module to guide the car driving; High - performance magnetic sensitive precision small-angle tilt sensor WQH36 -45 was used to detect the state of equilibrium of the electric car; Bridge driver L298 was used to control reversing/forwarding rotation and PWM motor speed control; 12 - bit switched capacitor successive approximation ADC TLC2543 was used to sample electric car’s sensor signal; keyboard and LED display composed of I2C interface keyboard and LED driver ZLG7290 achieve the human-machine interface; voice playback was compose of the single-chip voice chip ISD2590 and small power amplifier LM386. Based on the above complete and reliable hardware circuit design , the use of sophisticated software algorithms to achieve the angle offset feedback loop speed control and self - correction , the exact line inspection guide , making the electric car in various stages can be accurately controlled .

scholarly journals Design of intelligent variable speed warehouse carrier system based on ARM SCM

2021 ◽  
Vol 2083 (2) ◽  
pp. 022005
Author(s):  
Haojun Yang
Keyword(s):  
Intelligent Vehicles ◽  
Software Test ◽  
Variable Speed ◽  
Single Chip ◽  
Power Module ◽  
Single Chip Microcomputer ◽  
Sensor Module ◽  
Motor Module ◽  
Transport Vehicle ◽  
Hardware Circuit

Abstract Aiming at the problem of motion instability caused by the climbing of intelligent vehicles in the process of warehouse transportation, a design of intelligent variable speed warehouse transport vehicle system was proposed. STM32F103C8T6 single-chip microcomputer is used as the core controller of the intelligent variable speed car. The hardware circuit of the system is composed of power module, servo motor module, ultrasonic sensor module, infrared sensor module, MPU6050 gyroscope, motor drive and other modules. At the same time, the software test of vehicle downhill intelligent transportation, tracking detection speed and differential steering conditions is completed. Finally, the performance of the car is verified, and the results show that the smart car has achieved high stability of avoidance tracking, speed and other key functions. It is a downhill process, which has a lot of practical value.

Research on Microcomputer Control System for Spherical Surface Grinder of Engine Valve Tappet

2012 ◽  
Vol 468-471 ◽  
pp. 3102-3107
Author(s):  
Jian Jun Hao ◽  
Chang Cheng ◽  
Zhi Gang Zhang ◽  
Shuai Shuai Ge
Keyword(s):  
Control System ◽  
Machine Tool ◽  
Spherical Surface ◽  
Computer Hardware ◽  
Stepper Motor ◽  
Contact Detection ◽  
Single Chip ◽  
Single Chip Microcomputer ◽  
Control Scheme ◽  
Microcomputer Control

We propose a new control scheme based on analyzing the problems existed in the original machine tool. We use single chip Microcomputer as controller, stepper motor to drive machine table, and power monitor for grinding contact detecting. The principle of grinding contact detection was elaborated, the structure of computer hardware and software are presented. The developed control system has been used for machine. The results show that the control system runs properly and achieves the desired effect.

Study on the Temperature and Speed Test System

2012 ◽  
Vol 590 ◽  
pp. 333-336
Author(s):  
Qian Zhao ◽  
Shan Zhen Xu ◽  
Qi Chen ◽  
Cheng Wang
Keyword(s):  
Signal Processing ◽  
Data Acquisition ◽  
Data Acquisition System ◽  
Test System ◽  
Acquisition System ◽  
Motor Speed ◽  
Single Chip ◽  
Single Chip Microcomputer ◽  
Signal Processing Circuit ◽  
Processing Circuit

A kind of multiple parameter data acquisition system was designed based on single-chip microcomputer which can realized the data acquisition of temperature and DC motor speed. The data acquisition system consists of sensor, signal processing circuit, single-chip microcomputer and LED digital tube. The speed signal is acquired by photoelectric sensor, put into the Single-chip microcomputer processed after processed by signal processing circuit, and displayed the value in the digital tubes. The temperature signal is acquired by digital sensor, and the Single-chip microcomputer can read the data directly. Through two independent keyboards, the test system realized the data acquisition and data switch displaying of the multiple parameters.

Design of Data Acquisition and LED Display System

2012 ◽  
Vol 468-471 ◽  
pp. 863-866
Author(s):  
Hai Feng Zhou ◽  
Jing De Dong ◽  
Yuan Qing Huang
Keyword(s):  
Data Acquisition ◽  
Display System ◽  
Single Chip ◽  
Single Chip Microcomputer ◽  
Display Module ◽  
Communication Module ◽  
Set Up ◽  
Led Display System ◽  
Data Acquisition Module ◽  
Hardware Circuit

This paper set up a data acquisition system by AT89C52 single chip microcomputer as control core, using the RS-232 serial manner communicated with responsibled for data acquisition of microprocessor, and used LED to display. System can be divided into data acquisition module, serial communication module, control module, keyboard module, display module, etc. System of multi-channel data acquisition can be displayed in the LED after processed. The hardware circuit and software realized design functions :data acquisition and LED display.

High Precision Ultrasonic Ranging System for Mobile Robot Navigation

2012 ◽  
Vol 249-250 ◽  
pp. 1139-1143
Author(s):  
Yan Gao ◽  
Li Na Jia ◽  
Bo Wang ◽  
Li Hua Liu ◽  
Li Ming Huang
Keyword(s):  
Mobile Robot ◽  
High Precision ◽  
High Performance ◽  
Mobile Robot Navigation ◽  
Peak Time ◽  
Single Chip ◽  
Single Chip Microcomputer ◽  
Detection Point ◽  
Environment Temperature ◽  
Ultrasonic Ranging

This paper introduces ultrasonic ranging system which can be applied to avoid obstacle and navigate for mobile robot .This system is composed of AT89S51 single chip microcomputer ,ultrasonic transmitting circuit, ultrasonic receiving circuit, amplifying and filtering circuit , peak value time detecting circuit, environment temperature compensation circuit. The method of echo peak time detection point is used to eliminate the error. It is proved that The maximum range of the system is 10 meter and maximum measurement error can be controlled to± 2 cm or so. This system has such merits as rapid corresponding, high precision, high performance price rate.

A Design of Carbon Oxide Sensor in Mine

2013 ◽  
Vol 273 ◽  
pp. 528-531
Author(s):  
Wei Peng An ◽  
Lin Xing
Keyword(s):  
Carbon Monoxide ◽  
Real Time ◽  
Carbon Oxide ◽  
Electrochemical Sensing ◽  
Personal Safety ◽  
Single Chip ◽  
Single Chip Microcomputer ◽  
Gas Concentration ◽  
Display Function ◽  
Hardware Circuit

Monitoring of carbon monoxide gas is an important reference for the monitoring system, to provide protection for the personal safety of the miners. This paper introduces the AT89S52 [1] single-chip microcomputer as the core design of carbon monoxide sensor, realizes the carbon monoxide gas concentration detection. The sensitive head electrochemical sensing original hardware circuit by the amplifier circuit, A / D conversion circuit, display circuit, alarm circuit, an infrared receiving circuit, and the DS18B20 temperature sensor and other components. With real-time monitoring of carbon monoxide sensors, anti-jamming and real-time display function, and through the infrared circuit design makes the operation more convenient, higher accuracy.

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