Design and wide-bandwidth control of large aperture fast steering mirror with integrated-sensing unit
•A large aperture fast steering mirror (FSM) with integrated-sensing units is designed.•A wide-bandwidth control strategy is employed to improve the closed-loop bandwidth.•The experimental tests are carried out, which shows good tracking performance of the FSM.•The effectiveness of the designed cont...
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| Veröffentlicht in: | Mechanical systems and signal processing 2019-07, Vol.126, p.211-226 |
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| container_title | Mechanical systems and signal processing |
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| creator | Xiao, Ruijiang Xu, Minglong Shao, Shubao Tian, Zheng |
| description | •A large aperture fast steering mirror (FSM) with integrated-sensing units is designed.•A wide-bandwidth control strategy is employed to improve the closed-loop bandwidth.•The experimental tests are carried out, which shows good tracking performance of the FSM.•The effectiveness of the designed controller is verified.
This paper reports the design and wide-bandwidth control of a large aperture fast steering mirror (FSM) with integrated-sensing units. The developed FSM is driven by electromagnetic actuators and guided by a flexible support to achieve kinematic decoupling and large angle. Four flexible beams are used as sensing units for feedback control. A theoretical analysis of rotational stiffness was conducted to evaluate the mirror’s output angle. The dynamic characteristics were also modeled to investigate the relationship between the input voltage and the output angle of the entire system. To improve the bandwidth, a modified proportional-integral-derivative (PID) control strategy combined with feedforward compensation was employed. The prototype of the structure was fabricated and evaluated experimentally to investigate its kinematic and dynamic performance. The experimental results revealed that the angle travelled for more than 60 mrad, for both axes, with a low coupling ratio of less than 0.24%. Finally, the effectiveness of the designed controller was verified. The tracking experiment was also conducted to investigate the tracking performance of the proposed FSM. |
| doi_str_mv | 10.1016/j.ymssp.2019.02.028 |
| format | Article |
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This paper reports the design and wide-bandwidth control of a large aperture fast steering mirror (FSM) with integrated-sensing units. The developed FSM is driven by electromagnetic actuators and guided by a flexible support to achieve kinematic decoupling and large angle. Four flexible beams are used as sensing units for feedback control. A theoretical analysis of rotational stiffness was conducted to evaluate the mirror’s output angle. The dynamic characteristics were also modeled to investigate the relationship between the input voltage and the output angle of the entire system. To improve the bandwidth, a modified proportional-integral-derivative (PID) control strategy combined with feedforward compensation was employed. The prototype of the structure was fabricated and evaluated experimentally to investigate its kinematic and dynamic performance. The experimental results revealed that the angle travelled for more than 60 mrad, for both axes, with a low coupling ratio of less than 0.24%. Finally, the effectiveness of the designed controller was verified. The tracking experiment was also conducted to investigate the tracking performance of the proposed FSM.</description><identifier>ISSN: 0888-3270</identifier><identifier>EISSN: 1096-1216</identifier><identifier>DOI: 10.1016/j.ymssp.2019.02.028</identifier><language>eng</language><publisher>Berlin: Elsevier Ltd</publisher><subject>Actuators ; Apertures ; Bandwidths ; Control systems design ; Control theory ; Decoupling ; Detection ; Dynamic characteristics ; Fast steering mirror ; Feedback control ; Feedforward compensation ; Feedforward control ; Integrated-sensing unit ; Kinematics ; Proportional integral derivative ; Steering ; Stiffness ; Tracking ; Tracking control ; Wide-bandwidth controller</subject><ispartof>Mechanical systems and signal processing, 2019-07, Vol.126, p.211-226</ispartof><rights>2019 Elsevier Ltd</rights><rights>Copyright Elsevier BV Jul 1, 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c331t-9296cbb6946a23dec88da2981cb9a3c726ff7cc3cbc12a4260a3831322cd8d813</citedby><cites>FETCH-LOGICAL-c331t-9296cbb6946a23dec88da2981cb9a3c726ff7cc3cbc12a4260a3831322cd8d813</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ymssp.2019.02.028$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Xiao, Ruijiang</creatorcontrib><creatorcontrib>Xu, Minglong</creatorcontrib><creatorcontrib>Shao, Shubao</creatorcontrib><creatorcontrib>Tian, Zheng</creatorcontrib><title>Design and wide-bandwidth control of large aperture fast steering mirror with integrated-sensing unit</title><title>Mechanical systems and signal processing</title><description>•A large aperture fast steering mirror (FSM) with integrated-sensing units is designed.•A wide-bandwidth control strategy is employed to improve the closed-loop bandwidth.•The experimental tests are carried out, which shows good tracking performance of the FSM.•The effectiveness of the designed controller is verified.
This paper reports the design and wide-bandwidth control of a large aperture fast steering mirror (FSM) with integrated-sensing units. The developed FSM is driven by electromagnetic actuators and guided by a flexible support to achieve kinematic decoupling and large angle. Four flexible beams are used as sensing units for feedback control. A theoretical analysis of rotational stiffness was conducted to evaluate the mirror’s output angle. The dynamic characteristics were also modeled to investigate the relationship between the input voltage and the output angle of the entire system. To improve the bandwidth, a modified proportional-integral-derivative (PID) control strategy combined with feedforward compensation was employed. The prototype of the structure was fabricated and evaluated experimentally to investigate its kinematic and dynamic performance. The experimental results revealed that the angle travelled for more than 60 mrad, for both axes, with a low coupling ratio of less than 0.24%. Finally, the effectiveness of the designed controller was verified. The tracking experiment was also conducted to investigate the tracking performance of the proposed FSM.</description><subject>Actuators</subject><subject>Apertures</subject><subject>Bandwidths</subject><subject>Control systems design</subject><subject>Control theory</subject><subject>Decoupling</subject><subject>Detection</subject><subject>Dynamic characteristics</subject><subject>Fast steering mirror</subject><subject>Feedback control</subject><subject>Feedforward compensation</subject><subject>Feedforward control</subject><subject>Integrated-sensing unit</subject><subject>Kinematics</subject><subject>Proportional integral derivative</subject><subject>Steering</subject><subject>Stiffness</subject><subject>Tracking</subject><subject>Tracking control</subject><subject>Wide-bandwidth controller</subject><issn>0888-3270</issn><issn>1096-1216</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LAzEQhoMoWKu_wEvA8675qGn24EHqJxS86Dlkk9k1pc3WSVbpvze1noWBeWHeZ4Z5CbnkrOaMq-tVvduktK0F403NRCl9RCacNarigqtjMmFa60qKOTslZymtGGPNjKkJgXtIoY_URk-_g4eqLaqI_EHdEDMOazp0dG2xB2q3gHlEoJ1NmaYMgCH2dBMQByx0YULM0KPN4KsEMe3HYwz5nJx0dp3g4q9Pyfvjw9viuVq-Pr0s7paVk5LnqhGNcm2rmpmyQnpwWnsrGs1d21jp5kJ13dw56VrHhZ0JxazUkkshnNdeczklV4e9Wxw-R0jZrIYRYzlphOBaMq71TXHJg8vhkBJCZ7YYNhZ3hjOzz9OszG-eZp-nYaKULtTtgYLywFcANMkFiA58QHDZ-CH8y_8AX-6Bcg</recordid><startdate>20190701</startdate><enddate>20190701</enddate><creator>Xiao, Ruijiang</creator><creator>Xu, Minglong</creator><creator>Shao, Shubao</creator><creator>Tian, Zheng</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SC</scope><scope>7SP</scope><scope>8FD</scope><scope>JQ2</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope></search><sort><creationdate>20190701</creationdate><title>Design and wide-bandwidth control of large aperture fast steering mirror with integrated-sensing unit</title><author>Xiao, Ruijiang ; Xu, Minglong ; Shao, Shubao ; Tian, Zheng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c331t-9296cbb6946a23dec88da2981cb9a3c726ff7cc3cbc12a4260a3831322cd8d813</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Actuators</topic><topic>Apertures</topic><topic>Bandwidths</topic><topic>Control systems design</topic><topic>Control theory</topic><topic>Decoupling</topic><topic>Detection</topic><topic>Dynamic characteristics</topic><topic>Fast steering mirror</topic><topic>Feedback control</topic><topic>Feedforward compensation</topic><topic>Feedforward control</topic><topic>Integrated-sensing unit</topic><topic>Kinematics</topic><topic>Proportional integral derivative</topic><topic>Steering</topic><topic>Stiffness</topic><topic>Tracking</topic><topic>Tracking control</topic><topic>Wide-bandwidth controller</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xiao, Ruijiang</creatorcontrib><creatorcontrib>Xu, Minglong</creatorcontrib><creatorcontrib>Shao, Shubao</creatorcontrib><creatorcontrib>Tian, Zheng</creatorcontrib><collection>CrossRef</collection><collection>Computer and Information Systems Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><jtitle>Mechanical systems and signal processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xiao, Ruijiang</au><au>Xu, Minglong</au><au>Shao, Shubao</au><au>Tian, Zheng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Design and wide-bandwidth control of large aperture fast steering mirror with integrated-sensing unit</atitle><jtitle>Mechanical systems and signal processing</jtitle><date>2019-07-01</date><risdate>2019</risdate><volume>126</volume><spage>211</spage><epage>226</epage><pages>211-226</pages><issn>0888-3270</issn><eissn>1096-1216</eissn><abstract>•A large aperture fast steering mirror (FSM) with integrated-sensing units is designed.•A wide-bandwidth control strategy is employed to improve the closed-loop bandwidth.•The experimental tests are carried out, which shows good tracking performance of the FSM.•The effectiveness of the designed controller is verified.
This paper reports the design and wide-bandwidth control of a large aperture fast steering mirror (FSM) with integrated-sensing units. The developed FSM is driven by electromagnetic actuators and guided by a flexible support to achieve kinematic decoupling and large angle. Four flexible beams are used as sensing units for feedback control. A theoretical analysis of rotational stiffness was conducted to evaluate the mirror’s output angle. The dynamic characteristics were also modeled to investigate the relationship between the input voltage and the output angle of the entire system. To improve the bandwidth, a modified proportional-integral-derivative (PID) control strategy combined with feedforward compensation was employed. The prototype of the structure was fabricated and evaluated experimentally to investigate its kinematic and dynamic performance. The experimental results revealed that the angle travelled for more than 60 mrad, for both axes, with a low coupling ratio of less than 0.24%. Finally, the effectiveness of the designed controller was verified. The tracking experiment was also conducted to investigate the tracking performance of the proposed FSM.</abstract><cop>Berlin</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.ymssp.2019.02.028</doi><tpages>16</tpages></addata></record> |
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| ispartof | Mechanical systems and signal processing, 2019-07, Vol.126, p.211-226 |
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| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Actuators Apertures Bandwidths Control systems design Control theory Decoupling Detection Dynamic characteristics Fast steering mirror Feedback control Feedforward compensation Feedforward control Integrated-sensing unit Kinematics Proportional integral derivative Steering Stiffness Tracking Tracking control Wide-bandwidth controller |
| title | Design and wide-bandwidth control of large aperture fast steering mirror with integrated-sensing unit |
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