Industrial Servo Motor YASKAWA SGM-02A3G12 200W AC SERVO MOTOR Made
in Japan
SPECIFITIONS
Current: 0.89A
Volatge: 200V
Power :100W
Rated Torque: 0.318-m
Max speed: 3000rpm
Encoder: 17bit Absolute encoder
Load Inertia JL kg¡m2¢ 10−4: 0.026
Shaft: straight without key
OTHER SUPERIOR PRODUCTS
Yasakawa Motor, Driver SG- Mitsubishi Motor HC-,HA-
Westinghouse Modules 1C-,5X- Emerson VE-,KJ-
Honeywell TC-,TK- Fanuc motor A0-
Rosemount transmitter 3051- Yokogawa transmitter EJA-
Contact person: Anna
E-mail: wisdomlongkeji@163.com
Cellphone: +0086-13534205279
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Abstract—Permanent-magnet motors are widely used in-wheel motors of
electric vehicles and hybrid vehicles. Based on a movable stator
design, this paper presents a new type permanent-magnet motor,
whose torque can be adjusted in order to meet different driving
requirements. The stator geometry is varied by means of changing
movable stator positions. Accordingly, the air-gap length in
permanentmagnet motors is changed so that torque can be adjusted.
To derive an analytical model, Fourier series expansions are
employed to formulate air-gap geometry variation. The analytical
model is validated by finite element numerical results. Concerning
motor torque variation capability achieved in this study,
the ratio of the largest vs. the smallest torque is 2.3.
A desirable feature of permanent-magnet (PM) motors is high torque
at low speed, and therefore suitable as a direct-drive actuator in
electric vehicles (EV) or hybrid vehicles. The high torque feature
helps acceleration performance of EV. Vernier machines [1, 2]
belong to PM motors and are adequate as an in-wheel motors. High
torque and high efficiency feature are caused by a magnetic gearing
effect. Toothed-pole structures play an important role in
torque-maximizing design of vernier machines. To increase torque,
dual-excitation permanent magnet vernier machines [3] including
inner-stator and outer-stator were presented.
The same motor volume that can generate larger torque will gain
advantage in EV performance. Both increases of armature
magnetomotive force and inner diameter of stator are approaches to
raising torque performance with the same machine volume [4].
Different stator shapes and magnet
configurations will cause different flux densities and torque
performances, respectively. A relationship between the stator shape
and flux density was developed in order to predict motor
performance [5]. A finite element method was used to analyze the
electromagnetic torque of PM machines with concentrated winding,
whose results show that the torque is affected by magnetic
saturation