Study and implementation of a simplified and robust position digital controller for a PM synchronous actuator
This paper presents a fully digital position control system for small power surface mounted PM synchronous actuators. The control algorithm relies on a simplified decoupling state feedback in order to obtain field orientation. There is no current measurement, and the current values needed to compute...
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| Veröffentlicht in: | IEEE transactions on power electronics 1994-09, Vol.9 (5), p.457-462 |
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| container_end_page | 462 |
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| container_title | IEEE transactions on power electronics |
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| creator | Robyns, B. Buyse, H. Labrique, F. |
| description | This paper presents a fully digital position control system for small power surface mounted PM synchronous actuators. The control algorithm relies on a simplified decoupling state feedback in order to obtain field orientation. There is no current measurement, and the current values needed to compute the control algorithm are predicted from a model. This makes it possible to use a fully digital position controller by using low cost 8 bit microprocessors with only a position sensor. Moreover, it is shown in this paper that it is preferable to use, in the decoupling state feedback, an estimated, instead of a measured, value of the current to ensure stability and to improve the robustness of the system regarding parameter uncertainties. Furthermore, as the actuator model is linearized by a decoupling state feedback, the robustness of the system has been further improved by using appropriate techniques evolved for linear systems to synthesize the position controller. The performance of the proposed control system is analyzed by a theoretical study and digital simulations. It has been implemented around two 8 bit MCS 8051 microcontrollers and tested on a 2 kW machine.< > |
| doi_str_mv | 10.1109/63.321029 |
| format | Article |
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The control algorithm relies on a simplified decoupling state feedback in order to obtain field orientation. There is no current measurement, and the current values needed to compute the control algorithm are predicted from a model. This makes it possible to use a fully digital position controller by using low cost 8 bit microprocessors with only a position sensor. Moreover, it is shown in this paper that it is preferable to use, in the decoupling state feedback, an estimated, instead of a measured, value of the current to ensure stability and to improve the robustness of the system regarding parameter uncertainties. Furthermore, as the actuator model is linearized by a decoupling state feedback, the robustness of the system has been further improved by using appropriate techniques evolved for linear systems to synthesize the position controller. The performance of the proposed control system is analyzed by a theoretical study and digital simulations. It has been implemented around two 8 bit MCS 8051 microcontrollers and tested on a 2 kW machine.< ></description><identifier>ISSN: 0885-8993</identifier><identifier>EISSN: 1941-0107</identifier><identifier>DOI: 10.1109/63.321029</identifier><identifier>CODEN: ITPEE8</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Actuators ; Control system synthesis ; Current measurement ; Digital electronics ; Position control ; Power system modeling ; Prediction algorithms ; Predictive models ; Product development ; Robust stability ; Robustness ; State feedback</subject><ispartof>IEEE transactions on power electronics, 1994-09, Vol.9 (5), p.457-462</ispartof><rights>Copyright Institute of Electrical and Electronics Engineers, Inc. (IEEE) Sep 1994</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c335t-6899f0876cadba826865f89d8333b8fb1a68e89930e9227207e334b7d06088533</citedby><cites>FETCH-LOGICAL-c335t-6899f0876cadba826865f89d8333b8fb1a68e89930e9227207e334b7d06088533</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/321029$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27903,27904,54737</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/321029$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Robyns, B.</creatorcontrib><creatorcontrib>Buyse, H.</creatorcontrib><creatorcontrib>Labrique, F.</creatorcontrib><title>Study and implementation of a simplified and robust position digital controller for a PM synchronous actuator</title><title>IEEE transactions on power electronics</title><addtitle>TPEL</addtitle><description>This paper presents a fully digital position control system for small power surface mounted PM synchronous actuators. The control algorithm relies on a simplified decoupling state feedback in order to obtain field orientation. There is no current measurement, and the current values needed to compute the control algorithm are predicted from a model. This makes it possible to use a fully digital position controller by using low cost 8 bit microprocessors with only a position sensor. Moreover, it is shown in this paper that it is preferable to use, in the decoupling state feedback, an estimated, instead of a measured, value of the current to ensure stability and to improve the robustness of the system regarding parameter uncertainties. Furthermore, as the actuator model is linearized by a decoupling state feedback, the robustness of the system has been further improved by using appropriate techniques evolved for linear systems to synthesize the position controller. The performance of the proposed control system is analyzed by a theoretical study and digital simulations. It has been implemented around two 8 bit MCS 8051 microcontrollers and tested on a 2 kW machine.< ></description><subject>Actuators</subject><subject>Control system synthesis</subject><subject>Current measurement</subject><subject>Digital electronics</subject><subject>Position control</subject><subject>Power system modeling</subject><subject>Prediction algorithms</subject><subject>Predictive models</subject><subject>Product development</subject><subject>Robust stability</subject><subject>Robustness</subject><subject>State feedback</subject><issn>0885-8993</issn><issn>1941-0107</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1994</creationdate><recordtype>article</recordtype><recordid>eNqF0b9LxDAUB_AgCp6ng6tTcBAceuZHkyajHP6CEwV1LmmbaI42OZN0uP_e9no4uDg9yPvk8b48AM4xWmCM5A2nC0owIvIAzLDMcYYwKg7BDAnBMiElPQYnMa4RwjlDeAa6t9Q3W6hcA223aXWnXVLJege9gQrG8dEaq5sdCb7qY4IbH-3ONPbTJtXC2rsUfNvqAI0Pw7_XZxi3rv4K3vk-QlWnXiUfTsGRUW3UZ_s6Bx_3d-_Lx2z18vC0vF1lNaUsZXxY1CBR8Fo1lRKEC86MkI2glFbCVFhxoccwSEtCCoIKTWleFQ3iY05K5-BqmrsJ_rvXMZWdjbVuW-X0sE9JBJN5Pgz4F3ImJWNigJd_4Nr3wQ0hSoI4F7lEbEDXE6qDjzFoU26C7VTYlhiV43lKTsvpPIO9mKzVWv-6ffMHjyWJ7w</recordid><startdate>19940901</startdate><enddate>19940901</enddate><creator>Robyns, B.</creator><creator>Buyse, H.</creator><creator>Labrique, F.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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The control algorithm relies on a simplified decoupling state feedback in order to obtain field orientation. There is no current measurement, and the current values needed to compute the control algorithm are predicted from a model. This makes it possible to use a fully digital position controller by using low cost 8 bit microprocessors with only a position sensor. Moreover, it is shown in this paper that it is preferable to use, in the decoupling state feedback, an estimated, instead of a measured, value of the current to ensure stability and to improve the robustness of the system regarding parameter uncertainties. Furthermore, as the actuator model is linearized by a decoupling state feedback, the robustness of the system has been further improved by using appropriate techniques evolved for linear systems to synthesize the position controller. The performance of the proposed control system is analyzed by a theoretical study and digital simulations. It has been implemented around two 8 bit MCS 8051 microcontrollers and tested on a 2 kW machine.< ></abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/63.321029</doi><tpages>6</tpages></addata></record> |
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| identifier | ISSN: 0885-8993 |
| ispartof | IEEE transactions on power electronics, 1994-09, Vol.9 (5), p.457-462 |
| issn | 0885-8993 1941-0107 |
| language | eng |
| recordid | cdi_crossref_primary_10_1109_63_321029 |
| source | IEEE Electronic Library (IEL) |
| subjects | Actuators Control system synthesis Current measurement Digital electronics Position control Power system modeling Prediction algorithms Predictive models Product development Robust stability Robustness State feedback |
| title | Study and implementation of a simplified and robust position digital controller for a PM synchronous actuator |
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