A hierarchically organized microprocessor system for motor position control Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/hh63t059d

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  • Accurate Position Control is an important technique in robotic engineering. The working environment of robotic systems presents special requirements for position control. The scope of this study is to explore the control algorithms of a digital, hierarchical position control system. Detailed analysis and simulation show that the system can be compensated by linear functions to obtain the required characteristics. Various nonlinear approaches are also studied. Experiments show that with the nonlinear dynamic compensation (NDC) the response speed can be optimized and problems such as quantization noise and nonlinearity of the actuator can be better solved. In order to test the design a high-level language digital simulator is developed. Real-time experiment is also conducted with a microprocessor controller. Experimental data from both the simulation and the real-time experiment demonstrate that the control algorithms are successful. The experimental system is also hierarchical. The human interface is accomplished by a personal computer which receives the operator's command and reports the system status. The communication between the PC and the controller is managed by control-oriented operating system. The actual control activities are handled by the controller task routine in the operating system.
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  • File scanned at 300 ppi (Monochrome) using ScandAll PRO 1.8.1 on a Fi-6670 in PDF format. CVista PdfCompressor 4.0 was used for pdf compression and textual OCR.
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  • description.provenance : Submitted by Katy Davis (kdscannerosu@gmail.com) on 2013-06-19T21:58:00Z No. of bitstreams: 1 LiuDongtai1987.pdf: 642818 bytes, checksum: f4e60ad41893fc338c3007c324372db7 (MD5)
  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2013-06-28T18:47:37Z (GMT) No. of bitstreams: 1 LiuDongtai1987.pdf: 642818 bytes, checksum: f4e60ad41893fc338c3007c324372db7 (MD5)
  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2013-06-20T14:22:53Z (GMT) No. of bitstreams: 1 LiuDongtai1987.pdf: 642818 bytes, checksum: f4e60ad41893fc338c3007c324372db7 (MD5)
  • description.provenance : Made available in DSpace on 2013-06-28T18:47:37Z (GMT). No. of bitstreams: 1 LiuDongtai1987.pdf: 642818 bytes, checksum: f4e60ad41893fc338c3007c324372db7 (MD5) Previous issue date: 1987-03-31

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