Engineering Science Research

Engineering Science Research Paper

PID control

The Control System Design of Marine Ant-heeling Equipment Driven by Compressed Air

With the fast development of marine industry,the tonnage of marine carrier is getting larger and larger.It does absolutely necessarily guarantee that with having a good anti-heeling system in running the ship,especially the port operation.Both of the Pneumatic anti-heeling device response speed and heeling compensation rate can achieve efficiency highly the purpose of anti-heeling.Because of blower [...]

, , , ,

The Simulation Research on the Speed Control of Marine Diesel Engine

Nowadays,diesel engine is the main power plant in the industry,transport,etc. Therefore,the research on the integrated control of diesel engine for running at the best tradeoff point of economy,power and emissions would be of great significance to energy-saving and environmental protection.This paper mainly research on the speed control of diesel engine,try to make the output track [...]

, , , , ,

Simulation Analysis of Speed Control System to Diesel Engine

This article builds the mathematical models of controller and speed control system to diesel engine, traditional PID controller parameters are optimized by all kinds of intelligent control methods, supported from the simulation tool MATLAB/SIMULINK, the author does the simulation research of speed control system to diesel engine.By analyzing the problems that the traditional PID algorithm [...]

, , , ,

Research on Parallel and Protection Technology of High-power Single-phase Inverter

Based on two single-phase voltage-controlled inverters, the paper established the mathematical model of inverter and its parallel control system, then studies and analyzes the parallel system and protection methods. Through digital controlling, the paper researches waveform control strategy, digital phase-locked loop, voltage regulator through power error as well as protection strategy.The paper establishes the mathematical [...]

, , , , , , ,

Research on Control System of Magnetic Bearing Based on FPGA

The magnetic bearing suspends the rotor by controlled magnetic force without any mechanical contact between rotor and stator.It has been noticed widely and researched in the fields of science and industry,for its advantages such as contact-free,no lubrication,no wear,low noise,high rotation speed and long-life,etc.Usually, digital control methods are used to set up the DSP-based control platform [...]

, , ,

Research of Electric Power Steering System’s Electronic Control Unit and Control Survey

EPS(electric power steering) system is one of important parts of vehicles,it relates with vehicle handling stability,active safety,and travelling comfort.EPS is a newer power steering system,it can control the feeling of steering,and meanwhile, it’s good for environment.At present,EPS is becoming the focus of the steering system because it meets the demand of vehicle’s electrification and intellectualization.The [...]

, , , ,

Research of Electric Power Steering System’s Electronic Control Unit and Control Survey

EPS(electric power steering) system is one of important parts of vehicles,it relates with vehicle handling stability,active safety,and travelling comfort.EPS is a newer power steering system,it can control the feeling of steering,and meanwhile, it’s good for environment.At present,EPS is becoming the focus of the steering system because it meets the demand of vehicle’s electrification and intellectualization.The [...]

, , , ,

Research on Modeling and Simulation of Energy Regenerative System of Hydraulic Hybrid Vehicle

It is a hot topic and focus in scientific community that hydraulic hybrid vehicle has advantages of energy-recovery and emission-reduction as well as environment-protection and so on recently. It is easy to control and carry out energy recovery and release because the energy regenerative system of hydraulic hybrid vehicle adopts constant displacement secondary component (pump/motor), [...]

, , , , ,

Design of the Suspension Damping System Based on Variable Stiffness for Vehicle

In the vehicle engineering, people are paying increasingly attention to the handing safety and riding comfort of the vehicle. The suspension system is the key component to improve the handing safety and riding comfort as well as to reduce the components’fatigue damage. Recently, the research and exploration of the active suspension and the vibration control [...]

, , , , ,

Design of the Suspension Damping System Based on Variable Stiffness for Vehicle

In the vehicle engineering, people are paying increasingly attention to the handing safety and riding comfort of the vehicle. The suspension system is the key component to improve the handing safety and riding comfort as well as to reduce the components’fatigue damage. Recently, the research and exploration of the active suspension and the vibration control [...]

, , , , ,

Previous Posts