NDLI: Header Height Control of a Combine Harvester System

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Xie, Yangmin Alleyne, Andrew Greer, Ashley Deneault, Dustin
Copyright Year	2010
Abstract	There are appreciable losses in crop output at all the stages in grain production like harvesting, transportation, storage, etc. To reduce grain loss during the harvesting process, it is desirable to effectively control the header height of the combine harvester. The desired header height control is able to follow the shape of the terrain and reject disturbances from the ground. This paper presents an optimal state feedback LQR controller to achieve the control objectives. By properly defining the states and choosing the cost function, the full state feedback controller is shown to accomplish the control goals. Then a reduced states feedback controller, which uses a skyhook damper in the controller, is used to simplify the full state feedback controller. Simulation results show that with less feedback information, the reduced order state feedback controller preserves the ability to achieve good reference tracking and disturbance rejection.
Sponsorship	Dynamic Systems and Control Division
Starting Page	7
Ending Page	14
Page Count	8
File Format	PDF
ISBN	9780791844175
DOI	10.1115/DSCC2010-4088
e-ISBN	9780791838846
Volume Number	ASME 2010 Dynamic Systems and Control Conference, Volume 1
Conference Proceedings	ASME 2010 Dynamic Systems and Control Conference
Language	English
Publisher Date	2010-09-12
Publisher Place	Cambridge, Massachusetts, USA
Access Restriction	Subscribed
Subject Keyword	State feedback Simulation results Storage Dampers Feedback Control equipment Pole placement Shapes Transportation systems
Content Type	Text
Resource Type	Article

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