Class information for:
Level 1: ULTRASONIC MOTOR//PIEZOELECTRIC MOTOR//ULTRASONIC LINEAR MOTOR

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
8365 1262 15.2 51%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
2 4 MATERIALS SCIENCE, MULTIDISCIPLINARY//PHYSICS, APPLIED//PHYSICS, CONDENSED MATTER 2836879
376 3       SENSORS AND ACTUATORS A-PHYSICAL//JOURNAL OF MICROELECTROMECHANICAL SYSTEMS//MEMS 32422
729 2             ENERGY HARVESTING//ULTRASONIC MOTOR//PIEZOELECTRIC ACTUATOR 12629
8365 1                   ULTRASONIC MOTOR//PIEZOELECTRIC MOTOR//ULTRASONIC LINEAR MOTOR 1262

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 ULTRASONIC MOTOR authKW 6088886 24% 84% 301
2 PIEZOELECTRIC MOTOR authKW 914185 4% 82% 46
3 ULTRASONIC LINEAR MOTOR authKW 463897 2% 91% 21
4 LINEAR ULTRASONIC MOTOR authKW 240514 1% 76% 13
5 ULTRASONIC ACTUATOR authKW 204433 1% 65% 13
6 FRICTION DRIVE authKW 199783 1% 52% 16
7 ELLIPTICAL MOVEMENT authKW 193555 1% 100% 8
8 PIEZOELECTRIC ACTUATOR authKW 171148 7% 9% 83
9 ULTRASONIC MOTOR USM authKW 169361 1% 100% 7
10 PIEZOELECTRIC ULTRASONIC MOTOR authKW 148189 1% 88% 7

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Acoustics 15474 21% 0% 266
2 Instruments & Instrumentation 4725 20% 0% 248
3 Engineering, Electrical & Electronic 4301 35% 0% 443
4 Engineering, Mechanical 2064 14% 0% 173
5 Physics, Applied 1346 23% 0% 291
6 Automation & Control Systems 770 5% 0% 69
7 Materials Science, Ceramics 700 5% 0% 63
8 Mechanics 432 7% 0% 93
9 Engineering, Manufacturing 355 3% 0% 40
10 Materials Science, Multidisciplinary 346 15% 0% 186

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 PRECIS DRIVING 102204 1% 33% 13
2 STATE ROBOT SYST 90367 4% 8% 46
3 PRECIS INTELLIGENCE 80493 5% 5% 65
4 ULTRASON MOTORS 77420 0% 80% 4
5 AG MA INENDYNAM 72583 0% 100% 3
6 CORP FINE CERAM 72583 0% 100% 3
7 PRECISE DRIVING 72583 0% 100% 3
8 PROGRAM SYST INFORMAT ENGN 72583 0% 100% 3
9 INT ACTUATORS TRANSDUCERS 64754 1% 15% 18
10 ULTRASON MOTOR 64516 0% 67% 4

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL 78341 11% 2% 134
2 ULTRASONICS 43568 7% 2% 85
3 SENSORS AND ACTUATORS A-PHYSICAL 33868 9% 1% 118
4 JOURNAL OF ELECTROCERAMICS 22279 3% 2% 41
5 JOURNAL OF VIBROENGINEERING 18037 3% 2% 38
6 MECHANIKA 11720 2% 2% 20
7 JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS 10082 9% 0% 114
8 JOURNAL OF INTELLIGENT MATERIAL SYSTEMS AND STRUCTURES 6037 2% 1% 27
9 SMART MATERIALS AND STRUCTURES 5968 3% 1% 35
10 IEEE-ASME TRANSACTIONS ON MECHATRONICS 3667 1% 1% 18

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 ULTRASONIC MOTOR 6088886 24% 84% 301 Search ULTRASONIC+MOTOR Search ULTRASONIC+MOTOR
2 PIEZOELECTRIC MOTOR 914185 4% 82% 46 Search PIEZOELECTRIC+MOTOR Search PIEZOELECTRIC+MOTOR
3 ULTRASONIC LINEAR MOTOR 463897 2% 91% 21 Search ULTRASONIC+LINEAR+MOTOR Search ULTRASONIC+LINEAR+MOTOR
4 LINEAR ULTRASONIC MOTOR 240514 1% 76% 13 Search LINEAR+ULTRASONIC+MOTOR Search LINEAR+ULTRASONIC+MOTOR
5 ULTRASONIC ACTUATOR 204433 1% 65% 13 Search ULTRASONIC+ACTUATOR Search ULTRASONIC+ACTUATOR
6 FRICTION DRIVE 199783 1% 52% 16 Search FRICTION+DRIVE Search FRICTION+DRIVE
7 ELLIPTICAL MOVEMENT 193555 1% 100% 8 Search ELLIPTICAL+MOVEMENT Search ELLIPTICAL+MOVEMENT
8 PIEZOELECTRIC ACTUATOR 171148 7% 9% 83 Search PIEZOELECTRIC+ACTUATOR Search PIEZOELECTRIC+ACTUATOR
9 ULTRASONIC MOTOR USM 169361 1% 100% 7 Search ULTRASONIC+MOTOR+USM Search ULTRASONIC+MOTOR+USM
10 PIEZOELECTRIC ULTRASONIC MOTOR 148189 1% 88% 7 Search PIEZOELECTRIC+ULTRASONIC+MOTOR Search PIEZOELECTRIC+ULTRASONIC+MOTOR

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.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 BEKIROGLU, E , (2008) ULTRASONIC MOTORS: THEIR MODELS, DRIVES, CONTROLS AND APPLICATIONS.JOURNAL OF ELECTROCERAMICS. VOL. 20. ISSUE 3-4. P. 277 -286 49 89% 23
2 YANG, XH , LIU, YX , CHEN, WS , LIU, JK , (2016) A CYLINDRICAL TRAVELING WAVE ULTRASONIC MOTOR USING BONDED-TYPE COMPOSITE BEAM.ULTRASONICS. VOL. 65. ISSUE . P. 277 -281 28 97% 4
3 YANG, XH , LIU, YX , CHEN, WS , LIU, JK , (2016) SANDWICH-TYPE MULT-DEGREE-OF-FREEDOM ULTRASONIC MOTOR WITH HYBRID EXCITATION.IEEE ACCESS. VOL. 4. ISSUE . P. 905 -913 27 100% 0
4 YOKOYAMA, K , TAMURA, H , MASUDA, K , TAKANO, T , (2013) SINGLE-PHASE DRIVE ULTRASONIC LINEAR MOTOR USING A LINKED TWIN SQUARE PLATE VIBRATOR.JAPANESE JOURNAL OF APPLIED PHYSICS. VOL. 52. ISSUE 7. P. - 28 100% 4
5 RO, JS , YI, KP , CHUNG, TK , JUNG, HK , (2013) CHARACTERISTIC ANALYSIS AND SHAPE OPTIMAL DESIGN OF A RING-TYPE TRAVELING WAVE ULTRASONIC MOTOR.EUROPEAN PHYSICAL JOURNAL-APPLIED PHYSICS. VOL. 63. ISSUE 1. P. - 31 89% 1
6 LIU, YX , CHEN, WS , XU, DM , FENG, PL , LIU, JK , (2015) IMPROVEMENT OF A RECTANGLE-SHAPE LINEAR PIEZOELECTRIC MOTOR WITH FOUR DRIVING FEET.CERAMICS INTERNATIONAL. VOL. 41. ISSUE . P. S594 -S601 24 100% 3
7 LIU, YX , CHEN, WS , YANG, XH , LIU, JK , (2015) A T-SHAPE LINEAR PIEZOELECTRIC MOTOR WITH SINGLE FOOT.ULTRASONICS. VOL. 56. ISSUE . P. 551 -556 24 96% 4
8 LIM, JP , RHO, JS , YI, KP , SEO, JM , JUNG, HK , (2009) CHARACTERISTIC ANALYSIS OF A TRAVELING WAVE ULTRASONIC MOTOR USING AN ELLIPSOIDAL STATIC CONTACT MODEL.SMART MATERIALS AND STRUCTURES. VOL. 18. ISSUE 11. P. - 27 100% 3
9 LI, XT , CI, PH , LIU, GX , DONG, SX , (2015) A TWO-LAYER LINEAR PIEZOELECTRIC MICROMOTOR.IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL. VOL. 62. ISSUE 3. P. 405 -411 20 100% 10
10 YUAN, SM , ZHU, C , CHU, XC , ZHAO, YQ , AMIN, M , FAN, YL , (2015) A NOVEL LINEAR PIEZOELECTRIC ACTUATOR WITH TWO WORKING PRINCIPLES OF STANDING AND TRAVELING WAVE VIBRATION MODE.AIP ADVANCES. VOL. 5. ISSUE 10. P. - 24 92% 1

Classes with closest relation at Level 1


Rank Class id link
1 16848 PIEZOELECTRIC TRANSFORMER//PIEZOELECTRIC TRANSFORMER PT//NONLINEAR PIEZOELECTRIC COEFFICIENT
2 15900 FLEXTENSIONAL TRANSDUCER//BTECH ACOUST LLC//CYMBAL
3 28431 SPHERICAL ACTUATOR//SPHERICAL MOTOR//TORQUE MODEL
4 22359 ULTRASONIC PLASTIC WELDING//FREQUENCY CHARACTERISTICS OF PLASTIC WELDING//HIGH FREQUENCY ULTRASONIC PLASTIC WELDING
5 21898 ACT STRUCT MAT//LIPCA//INTELLIGENT MICROSYST PROGRAM
6 3406 FLEXURE HINGE//PIEZOELECTRIC ACTUATOR//NANOPOSITIONING
7 20023 ELECTROSTATIC SUSPENSION//MICROMOTOR//ELECTROSTATIC MOTOR
8 13385 ACOUSTIC LEVITATION//DROP OSCILLATIONS//NEAR FIELD ACOUSTIC LEVITATION
9 13649 CMAC//CEREBELLAR MODEL ARTICULATION CONTROLLER CMAC//WAVELET NEURAL NETWORK
10 37598 ADHESION BETWEEN SPHERES//BRITTLE NANOPARTICLES//BROWNIAN CONDITIONS

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