Full-scale Performance of the SES Motion Control System

2015 ◽  
Author(s):  
Øyvind F. Auestad ◽  
J. William McFann ◽  
Jan T. Gravdahl
Keyword(s):  
Control System ◽  
Motion Control ◽  
High Speed ◽  
Wind Farm ◽  
Surface Effect ◽  
Vertical Plane ◽  
Full Scale ◽  
Offshore Wind ◽  
Motion Control System ◽  
Air Cushion

The pressurized air cushion on a Surface Effect Ship (SES) can lift up to 80% of total vessel mass. The SES Motion Control System (SES-MCS) controls the vent valves which again controls the air cushion pressure, assuming lift fan air flow is pressurizing the air cushion. By controlling the air cushion pressure one can significantly counteract vertical sea wave disturbances, ensure high passenger comfort and reduce sea-sickness. The case studied in this work is the Umoe Mandal Wave Craft prototype, ’Umoe Ventus’, which is a high-speed offshore wind-farm service vessel specially designed for control in the vertical plane. The SES-MCS can adjust the draft from 1m to 3.2m in less time than the wave period. The SES-MCS can reduce motions significantly in order to perform Operation and Maintenance (O&M) in high seas. The craft is the fastest wind-farm service vessel of its size with high comfort in all relevant sea states. The performance of the SES-MCS is demonstrated through full-scale sea trials.

Ultrasonic sensor system for the uses in intelligent motion control system of a mobile robots group

2010 ◽  
Vol 7 ◽  
pp. 109-117
Author(s):  
O.V. Darintsev ◽  
A.B. Migranov ◽  
B.S. Yudintsev
Keyword(s):  
Control System ◽  
Mobile Robot ◽  
Mobile Robots ◽  
Motion Control ◽  
High Speed ◽  
Ultrasonic Sensor ◽  
Sensor System ◽  
Motion Control System ◽  
Speed Sensor ◽  
Working Space

The article deals with the development of a high-speed sensor system for a mobile robot, used in conjunction with an intelligent method of planning trajectories in conditions of high dynamism of the working space.

The Motion Control System of Servomotor Based on CAN Bus

2012 ◽  
Vol 163 ◽  
pp. 260-263
Author(s):  
Jing Lin Tong ◽  
Bo Li ◽  
Xiao Bo Wang
Keyword(s):  
Control System ◽  
Motion Control ◽  
High Speed ◽  
Can Bus ◽  
High Reliability ◽  
Controller Area Network ◽  
Area Network ◽  
Price Ratio ◽  
Motion Control System ◽  
Communication Software

This paper introduces the hardware and the communication software design of control system based on Controller Area Network bus. The control system can realize to control the motion of servomotor through high speed C8501F040 single chip microcomputer with Controller Area Network bus and special motion controller - LM628. This system possesses characteristics such as simple structure, high reliability and high performance/price ratio. Key words: CAN bus, LM628, Motion Control System, Communication software

scholarly journals Full-Scale Sea Trials of a Motion Control System for ROVs Based on a High-Gain State Observer

2014 ◽  
Vol 47 (3) ◽  
pp. 5157-5162 ◽  
Author(s):  
Daniel de A. Fernandes ◽  
Asgeir J. Sørensen ◽  
Décio C. Donha
Keyword(s):  
Control System ◽  
Motion Control ◽  
High Gain ◽  
State Observer ◽  
Full Scale ◽  
Motion Control System

Design and Implementation of Motion Control System with Precise Driving Mechanism

2013 ◽  
Vol 373-375 ◽  
pp. 134-137
Author(s):  
Sang Kyung Lee ◽  
Jun Yeong Lee ◽  
Yun Seok Choi ◽  
Hong Bae Park
Keyword(s):  
Control System ◽  
Motion Control ◽  
High Speed ◽  
Control Unit ◽  
Fast Response ◽  
Driving Mechanism ◽  
Motion Control System ◽  
Zero Crossing ◽  
Sensor Unit ◽  
Frequency Domain Response

In this paper, a motion control system based on 2-axis gimbal system is designed and implemented to drive a high speed and precision. The proposed system consists of the RS-422 interface, 2-axis gimbal platform, SCU (servo control unit) integrated with a high speed DSP chipset, SAU (servo amplifier unit), potentiometer sensor unit, and resolver sensor unit. The SCU using the DSP firmware is designed to get a fast response without an overshoot with step input and a RMS error of low probability with ramp input. The SAU using a voltage control is designed to resolve the zero-crossing distortion for precise motion. To verify the performance and stability of the implemented system, experiments are performed through a measurement of the time and frequency domain response in a laboratory environment by using a PXI (PCI extentions for instrumentation).

Sign in / Sign up

Export Citation Format

Share Document