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

Basic class information
ID Publications Average number
of references		 Avg. shr. active
ref. in WoS
8874 1141 14.6 48%


Bar chart of Publication_year

Last years might be incomplete

Classes in level above (level 2)


ID, lev.
above		 Publications Label for level above
1397 7606 ULTRASONIC MOTOR//IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL//ULTRASONICS

Terms with highest relevance score


Rank Term Type of term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 ULTRASONIC MOTOR Author keyword 145 45% 21% 245
2 ULTRASONIC MOTORS Author keyword 26 53% 3% 35
3 LINEAR ULTRASONIC MOTOR Author keyword 23 51% 3% 32
4 PIEZOELECTRIC MOTOR Author keyword 19 44% 3% 33
5 ELLIPTICAL MOVEMENT Author keyword 11 100% 1% 6
6 ULTRASONIC ACTUATOR Author keyword 9 48% 1% 13
7 SHAKING BEAM Author keyword 8 75% 1% 6
8 ULTRASON MOTORS Address 6 80% 0% 4
9 BONDED TYPE Author keyword 6 100% 0% 4
10 PIEZODRIVE Author keyword 6 100% 0% 4

Web of Science journal categories

Author Key Words


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class		 LCSH search Wikipedia search
1 ULTRASONIC MOTOR 145 45% 21% 245 Search ULTRASONIC+MOTOR Search ULTRASONIC+MOTOR
2 ULTRASONIC MOTORS 26 53% 3% 35 Search ULTRASONIC+MOTORS Search ULTRASONIC+MOTORS
3 LINEAR ULTRASONIC MOTOR 23 51% 3% 32 Search LINEAR+ULTRASONIC+MOTOR Search LINEAR+ULTRASONIC+MOTOR
4 PIEZOELECTRIC MOTOR 19 44% 3% 33 Search PIEZOELECTRIC+MOTOR Search PIEZOELECTRIC+MOTOR
5 ELLIPTICAL MOVEMENT 11 100% 1% 6 Search ELLIPTICAL+MOVEMENT Search ELLIPTICAL+MOVEMENT
6 ULTRASONIC ACTUATOR 9 48% 1% 13 Search ULTRASONIC+ACTUATOR Search ULTRASONIC+ACTUATOR
7 SHAKING BEAM 8 75% 1% 6 Search SHAKING+BEAM Search SHAKING+BEAM
8 BONDED TYPE 6 100% 0% 4 Search BONDED+TYPE Search BONDED+TYPE
9 PIEZODRIVE 6 100% 0% 4 Search PIEZODRIVE Search PIEZODRIVE
10 FRICTION DRIVE 5 28% 1% 16 Search FRICTION+DRIVE Search FRICTION+DRIVE

Key Words Plus


Rank Web of Science journal category Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 ULTRASONIC MOTOR 52 50% 7% 75
2 ULTRASONIC MOTORS 22 58% 2% 26
3 LINEAR ULTRASONIC MOTOR 19 70% 1% 16
4 LONGITUDINAL VIBRATION TRANSDUCERS 15 88% 1% 7
5 ADDITIONAL ASYMMETRY 12 86% 1% 6
6 PZT THIN FILM 10 42% 2% 18
7 FILM METALLIC GLASS 8 70% 1% 7
8 MICROMOTOR 8 35% 2% 18
9 LINEAR MOTOR 7 28% 2% 22
10 VIBRATOR 6 33% 1% 16

Journals

Reviews


Title Publ. year Cit. Active
references		 % act. ref.
to same field
Piezoelectric ultrasonic micro/milli-scale actuators 2009 63 24 63%
Wear and dynamic properties of piezoelectric ultrasonic motor with frictional materials coated stator 2005 12 4 75%
The actuator for micro moving of a body in a plane 2005 12 3 67%
Miniature piezoelectric motors 2003 113 40 15%
Ultrasonic motor 1997 4 15 93%

Address terms


Rank Address term Relevance score
(tfidf)		 Class's shr.
of term's tot.
occurrences		 Shr. of publ.
in class containing
term		 Num. of
publ. in
class
1 ULTRASON MOTORS 6 80% 0.4% 4
2 PRECIS DRIVING 5 32% 1.1% 12
3 ULTRASON MOTOR 4 67% 0.4% 4
4 ULTRASON MECH 4 75% 0.3% 3
5 AG MA INENDYNAM 3 100% 0.3% 3
6 CORP FINE CERAM 3 100% 0.3% 3
7 PRECISE DRIVING 3 100% 0.3% 3
8 PROGRAM SYST INFORMAT ENGN 3 100% 0.3% 3
9 INT ACTUATORS TRANSDUCERS 2 14% 1.4% 16
10 ADV PL ELECT 2 29% 0.6% 7

Related classes at same level (level 1)


Rank Relatedness score Related classes
1 0.0000201975 PIEZOELECTRIC TRANSFORMER//NONLINEAR PIEZOELECTRIC COEFFICIENT//HIGH POWER VIBRATION
2 0.0000165194 IMPRINT ELECTRICAL FIELD//SHAPE MEMORY PIEZOELECTRIC ACTUATOR//PZT POLYCRYSTALLINE FILM
3 0.0000136487 SPHERICAL ACTUATOR//SPHERICAL MOTOR//PM SPHERICAL MOTOR
4 0.0000119795 BTECH ACOUST LLC//FLEXTENSIONAL TRANSDUCER//ADV TECHNOL MFG
5 0.0000114922 FLEXURE HINGE//PLANAR MOTOR//COMPLIANT MECHANISMS
6 0.0000082187 ULTRASONIC PLASTIC WELDING//HIGH FREQUENCY ULTRASONIC PLASTIC WELDING//FREQUENCY CHARACTERISTICS OF PLASTIC WELDING
7 0.0000077231 ACOUSTIC LEVITATION//DROP OSCILLATIONS//NON CONTACT TRANSPORTATION
8 0.0000066422 ELECTROSTATIC MOTOR//ELECTROSTATIC MICROMOTORS//MICROMOTOR
9 0.0000061324 NEEDLE TYPE ELECTRODES//SI O SUPERLATTICE//CONTOUR VIBRATION
10 0.0000058206 IN PIPE ROBOT//AUTOMOTIVE TEST//HELICAL DRIVE