http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112422014-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H02P21-05 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H02P27-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H02P21-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H02P21-0003 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H02P27-12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H02P21-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H02P21-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H02P21-05 |
| filingDate | 2020-10-19^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-04-29^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-04-29^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-112422014-B |
| titleOfInvention | Permanent magnet synchronous motor rotating speed prediction method based on high-order sliding mode compensation |
| abstract | The invention discloses a method for predicting the rotating speed of a permanent magnet synchronous motor based on high-order sliding mode compensation, which comprises the step of obtaining a difference value between a preset reference rotating speed and a feedback rotating speed and a q-axis feedback current i q Predicting the rotating speed of the super-local model-free permanent magnet synchronous motor through high-order sliding mode compensation to finally obtain q-axis reference current i q * Then obtaining d-axis reference voltage u through a PI controller d * And q-axis reference voltage u q * (ii) a Reference voltage u of d axis d * And q-axis reference voltage u q * Obtaining two-phase control voltage through coordinate conversion; the two-phase control voltage is modulated by SVPWM to obtain a switching signal S a ，S b ，S c (ii) a By S a ，S b ，S c And a DC side voltage U dc And controlling the on-off of a switching device of the inverter to obtain the required three-phase voltage so as to control the permanent magnet synchronous motor. The invention improves the robustness and the anti-interference capability of the control system, can realize faster dynamic response, tracks the rated rotating speed, reduces the current ripple, inhibits buffeting and reduces the rotating speed pulsation. |
| priorityDate | 2020-10-19^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
| Predicate | Subject |
|---|---|
| isDiscussedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/substance/SID419512635 http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID962 |
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