The Modeling and Simulation of Hydraulic Actuated Control System of Helicopter in Volumetric Speed Control

2015 ◽  
Vol 779 ◽  
pp. 169-174
Author(s):  
Feng Gu ◽  
Ji Hai Jiang ◽  
Fei Meng Diao ◽  
Quan Du ◽  
Lei Gao ◽  
...  
Keyword(s):  
Control System ◽  
Flight Control ◽  
Speed Control ◽  
Performance Curve ◽  
Generation System ◽  
Helicopter Control ◽  
Modeling Simulation ◽  
Helicopter Flight ◽  
Speed Control System ◽  
Wheel Brake

Hydraulic generation system on helicopter generally consists of flight control hydraulic actuating circuit, landing gear retraction/extension hydraulic circuit, and wheel brake circuit. This paper studies on a volumetric speed control system applied in helicopter flight control actuating system. The system performance curve, deduced from the modeling, simulation and testing of the tail-actuating system, reveals that this volumetric speed control system meets the requirements of helicopter control system actuating.

Integration Design and Simulation of Hydraulic Actuated Control System of Helicopter

2015 ◽  
Vol 779 ◽  
pp. 182-186
Author(s):  
Feng Gu ◽  
Ji Hai Jiang ◽  
Fei Meng Diao ◽  
Yan Nan Song ◽  
Quan Du ◽  
...  
Keyword(s):  
Control System ◽  
Flight Control ◽  
Hydraulic System ◽  
Small Volume ◽  
Hydraulic Power ◽  
Helicopter Control ◽  
Helicopter Flight

Hydraulic system is one of the most important parts of helicopter. Its function is to supply hydraulic power to the utilities. This paper studies an integration hydraulic system applied in helicopter flight control actuating system and simulates the system. The system has a small volume, light mass, meeting the requirements of helicopter control system actuating.

scholarly journals An Automatic Thrust Calculation Method in Case of Engine Gear Missing in Flight Control Simulation System

2018 ◽  
Vol 36 (6) ◽  
pp. 1116-1120
Author(s):  
Zeyu Kang ◽  
Yongmei Cheng ◽  
Xiaodan Cui ◽  
Hui Li ◽  
Huibin Wang
Keyword(s):  
Control System ◽  
Flight Control ◽  
Calculation Method ◽  
Speed Control ◽  
Weight Coefficient ◽  
Linearization Method ◽  
Flight Simulation ◽  
Control Mode ◽  
Control Simulation ◽  
Speed Control System

The paper proposes an automatic thrust calculation method in the case of engine gear missing. The trimmed linearization method is used to calculate the equivalent throttle opening between the two gears. An automatic thrust calculation method is presented which uses the equivalent throttle opening as weight coefficient. The speed control system which has introduced the equivalent throttle opening is designed, and the speed is controlled through the combination of the speed control system and the vertical speed control system. In this way, four basic modes are realized in flight simulation——climb, glide, given the yaw angle, given the roll angle, and the special speed control mode. It takes A320 aircraft for an example, the aerodynamic parameters and the Idletrust and Miltrust coefficients are obtained from JSBSim. Carry out flight control simulation on the above modes by building aircraft flight simulation model through Simulink. The results of the flight speed control show that the proposed method can achieve precise control of the speed in multi-flight modes.

Digital DC Speed Control System in Mine Hoist Application

2011 ◽  
Vol 219-220 ◽  
pp. 1017-1021
Author(s):  
Rui He ◽  
Yun Ping Ge
Keyword(s):  
Control System ◽  
Closed Loop ◽  
Speed Control ◽  
Closed Loop System ◽  
Pi Regulator ◽  
Control Precision ◽  
Speed Control System ◽  
Digital Trigger ◽  
Mine Hoist ◽  
Work Stability

Mine hoist shoulder important transport tasks. Through the analysis of the main circuit of mine hoist, this paper studies out ASCS digital DC speed control system whose core is microprocessor and whose hardware part constitutes digital trigger and double closed loop system. The software part not only achieves the system's digital PI regulator, logic switching, digital trigger phase shift, pulse channel selection and pulse width setting, but also realizes the systematic detection, monitoring, fault diagnosis, which improves the control precision and work stability of the system.

Performance Improvement in Microprocessor-Based Digital PLL Speed Control System

1981 ◽  
Vol IECI-28 (1) ◽  
pp. 56-61 ◽  
Author(s):  
Fumio Harashima ◽  
Haruo Naitoh ◽  
Masato Koyama ◽  
Seiji Kondo
Keyword(s):  
Control System ◽  
Performance Improvement ◽  
Speed Control ◽  
Speed Control System

Vehicle Speed Control System Simulation

2021 ◽  
Author(s):  
Markian Nakonechnyi ◽  
Oleksandr Viter ◽  
Orest Ivakhiv ◽  
Roman Velgan ◽  
Yuriy Hirniak ◽  
...  
Keyword(s):  
Control System ◽  
System Simulation ◽  
Speed Control ◽  
Vehicle Speed ◽  
Speed Control System
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