Class information for: |
Basic class information |
Hierarchy of classes |
The table includes all classes above and classes immediately below the current class. |
| Cluster id | Level | Cluster label | #P |
|---|---|---|---|
| 22 | 4 | AUTOMATION & CONTROL SYSTEMS//ENGINEERING, CIVIL//ACOUSTICS | 457813 |
| 605 | 3 | ENERGY HARVESTING//ULTRASONIC MOTOR//PIEZOELECTRIC ACTUATOR | 14256 |
| 620 | 2 | ENERGY HARVESTING//ULTRASONIC MOTOR//PIEZOELECTRIC ACTUATOR | 14256 |
| 8997 | 1 | ULTRASONIC MOTOR//PIEZOELECTRIC MOTOR//ULTRASONIC LINEAR MOTOR | 1227 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | ULTRASONIC MOTOR | authKW | 6642210 | 25% | 83% | 311 |
| 2 | PIEZOELECTRIC MOTOR | authKW | 896721 | 4% | 78% | 45 |
| 3 | ULTRASONIC LINEAR MOTOR | authKW | 471947 | 2% | 88% | 21 |
| 4 | LINEAR ULTRASONIC MOTOR | authKW | 353460 | 1% | 81% | 17 |
| 5 | FRICTION DRIVE | authKW | 212088 | 1% | 52% | 16 |
| 6 | ELLIPTICAL MOVEMENT | authKW | 205476 | 1% | 100% | 8 |
| 7 | PIEZOELECTRIC ACTUATOR | authKW | 186263 | 7% | 8% | 86 |
| 8 | ULTRASONIC ACTUATOR | authKW | 184918 | 1% | 60% | 12 |
| 9 | ULTRASONIC MOTOR USM | authKW | 179791 | 1% | 100% | 7 |
| 10 | PIEZOELECTRIC ULTRASONIC MOTOR | authKW | 157316 | 1% | 88% | 7 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Acoustics | 17358 | 23% | 0% | 277 |
| 2 | Instruments & Instrumentation | 4316 | 19% | 0% | 235 |
| 3 | Engineering, Electrical & Electronic | 3816 | 34% | 0% | 415 |
| 4 | Engineering, Mechanical | 1839 | 13% | 0% | 162 |
| 5 | Physics, Applied | 1130 | 22% | 0% | 266 |
| 6 | Automation & Control Systems | 682 | 5% | 0% | 65 |
| 7 | Materials Science, Ceramics | 581 | 5% | 0% | 57 |
| 8 | Mechanics | 380 | 7% | 0% | 87 |
| 9 | Radiology, Nuclear Medicine & Medical Imaging | 371 | 8% | 0% | 97 |
| 10 | Materials Science, Multidisciplinary | 294 | 14% | 0% | 174 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | PRECIS DRIVING | 103331 | 1% | 31% | 13 |
| 2 | STATE ROBOT SYST | 85550 | 4% | 7% | 48 |
| 3 | ULTRASON MOTORS | 82189 | 0% | 80% | 4 |
| 4 | AG MA INENDYNAM | 77053 | 0% | 100% | 3 |
| 5 | CORP FINE CERAM | 77053 | 0% | 100% | 3 |
| 6 | PRECISE DRIVING | 77053 | 0% | 100% | 3 |
| 7 | PROGRAM SYST INFORMAT ENGN | 77053 | 0% | 100% | 3 |
| 8 | ULTRASON MOTOR | 68489 | 0% | 67% | 4 |
| 9 | INT ACTUATORS TRANSDUCERS | 67626 | 1% | 15% | 18 |
| 10 | ULTRASON MECH | 57789 | 0% | 75% | 3 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL | 80339 | 11% | 2% | 133 |
| 2 | ULTRASONICS | 56064 | 8% | 2% | 95 |
| 3 | SENSORS AND ACTUATORS A-PHYSICAL | 30115 | 9% | 1% | 109 |
| 4 | JOURNAL OF ELECTROCERAMICS | 22366 | 3% | 2% | 40 |
| 5 | JOURNAL OF VIBROENGINEERING | 13332 | 3% | 2% | 34 |
| 6 | JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 9707 | 9% | 0% | 109 |
| 7 | MECHANIKA | 8335 | 1% | 2% | 17 |
| 8 | SMART MATERIALS AND STRUCTURES | 7326 | 3% | 1% | 39 |
| 9 | JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES | 4838 | 2% | 1% | 24 |
| 10 | IEEE-ASME TRANSACTIONS ON MECHATRONICS | 4004 | 2% | 1% | 19 |
Author Key Words |
Core articles |
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c: (1) Number of references referring to publications in the class. (2) Share of total number of active references referring to publications in the class. (3) Age of the article. New articles get higher score than old articles. (4) Citation rate, normalized to year. |
Classes with closest relation at Level 1 |