Ultrasonic transducer control method and system
lfhfThe present invention relates to methods for velocity control of transducers that can compensate both for age related changes as well as the more immediate changes that occur during operation. In one aspect of the invention, the non-motional reactive current is measured at two predetermined freq...
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Patent |
| Sprache: | eng |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | |
|---|---|
| container_issue | |
| container_start_page | |
| container_title | |
| container_volume | |
| creator | Bromfield, George |
| description | lfhfThe present invention relates to methods for velocity control of transducers that can compensate both for age related changes as well as the more immediate changes that occur during operation. In one aspect of the invention, the non-motional reactive current is measured at two predetermined frequencies, one below (I) and one above the resonance frequency (I). A correction factor is calculated from these measured currents is used to maintain a specified value of end effector velocity or displacement. In another aspect of the invention, methods are provided for the detection of secondary resonances that could be indicative of end effector fault conditions. In another aspect of the invention, velocity control is achieved. |
| format | Patent |
| fullrecord | <record><control><sourceid>uspatents_EFH</sourceid><recordid>TN_cdi_uspatents_grants_07554343</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>07554343</sourcerecordid><originalsourceid>FETCH-uspatents_grants_075543433</originalsourceid><addsrcrecordid>eNrjZNAPzSkpSizOz8tMVgAy8opTSpNTixSS8_NKivJzFHJTSzLyUxQS81IUiiuLS1JzeRhY0xJzilN5oTQ3g4Kba4izh25pcUFiSWpeSXF8OtAYIGVgbmpqYmxibEyEEgBEACxb</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>Ultrasonic transducer control method and system</title><source>USPTO Issued Patents</source><creator>Bromfield, George</creator><creatorcontrib>Bromfield, George ; PiezoInnovations</creatorcontrib><description>lfhfThe present invention relates to methods for velocity control of transducers that can compensate both for age related changes as well as the more immediate changes that occur during operation. In one aspect of the invention, the non-motional reactive current is measured at two predetermined frequencies, one below (I) and one above the resonance frequency (I). A correction factor is calculated from these measured currents is used to maintain a specified value of end effector velocity or displacement. In another aspect of the invention, methods are provided for the detection of secondary resonances that could be indicative of end effector fault conditions. In another aspect of the invention, velocity control is achieved.</description><language>eng</language><creationdate>2009</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7554343$$EPDF$$P50$$Guspatents$$Hfree_for_read</linktopdf><link.rule.ids>230,308,780,802,885,64039</link.rule.ids><linktorsrc>$$Uhttps://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/7554343$$EView_record_in_USPTO$$FView_record_in_$$GUSPTO$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Bromfield, George</creatorcontrib><creatorcontrib>PiezoInnovations</creatorcontrib><title>Ultrasonic transducer control method and system</title><description>lfhfThe present invention relates to methods for velocity control of transducers that can compensate both for age related changes as well as the more immediate changes that occur during operation. In one aspect of the invention, the non-motional reactive current is measured at two predetermined frequencies, one below (I) and one above the resonance frequency (I). A correction factor is calculated from these measured currents is used to maintain a specified value of end effector velocity or displacement. In another aspect of the invention, methods are provided for the detection of secondary resonances that could be indicative of end effector fault conditions. In another aspect of the invention, velocity control is achieved.</description><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2009</creationdate><recordtype>patent</recordtype><sourceid>EFH</sourceid><recordid>eNrjZNAPzSkpSizOz8tMVgAy8opTSpNTixSS8_NKivJzFHJTSzLyUxQS81IUiiuLS1JzeRhY0xJzilN5oTQ3g4Kba4izh25pcUFiSWpeSXF8OtAYIGVgbmpqYmxibEyEEgBEACxb</recordid><startdate>20090630</startdate><enddate>20090630</enddate><creator>Bromfield, George</creator><scope>EFH</scope></search><sort><creationdate>20090630</creationdate><title>Ultrasonic transducer control method and system</title><author>Bromfield, George</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-uspatents_grants_075543433</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2009</creationdate><toplevel>online_resources</toplevel><creatorcontrib>Bromfield, George</creatorcontrib><creatorcontrib>PiezoInnovations</creatorcontrib><collection>USPTO Issued Patents</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Bromfield, George</au><aucorp>PiezoInnovations</aucorp><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Ultrasonic transducer control method and system</title><date>2009-06-30</date><risdate>2009</risdate><abstract>lfhfThe present invention relates to methods for velocity control of transducers that can compensate both for age related changes as well as the more immediate changes that occur during operation. In one aspect of the invention, the non-motional reactive current is measured at two predetermined frequencies, one below (I) and one above the resonance frequency (I). A correction factor is calculated from these measured currents is used to maintain a specified value of end effector velocity or displacement. In another aspect of the invention, methods are provided for the detection of secondary resonances that could be indicative of end effector fault conditions. In another aspect of the invention, velocity control is achieved.</abstract><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext_linktorsrc |
| identifier | |
| ispartof | |
| issn | |
| language | eng |
| recordid | cdi_uspatents_grants_07554343 |
| source | USPTO Issued Patents |
| title | Ultrasonic transducer control method and system |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-30T08%3A16%3A17IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-uspatents_EFH&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=Bromfield,%20George&rft.aucorp=PiezoInnovations&rft.date=2009-06-30&rft_id=info:doi/&rft_dat=%3Cuspatents_EFH%3E07554343%3C/uspatents_EFH%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |