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Home ProductsYASKAWA

SGDR-SDA950A01B-EY35 Yaskawa Drive Closed Loop Control Servopack

SGDR-SDA950A01B-EY35 Yaskawa Drive Closed Loop Control Servopack

SGDR-SDA950A01B-EY35 Yaskawa Drive Closed Loop Control Servopack
SGDR-SDA950A01B-EY35 Yaskawa Drive Closed Loop Control Servopack SGDR-SDA950A01B-EY35 Yaskawa Drive Closed Loop Control Servopack SGDR-SDA950A01B-EY35 Yaskawa Drive Closed Loop Control Servopack

Large Image :  SGDR-SDA950A01B-EY35 Yaskawa Drive Closed Loop Control Servopack Get Best Price

Product Details:

Place of Origin: Japan
Brand Name: Yasakawa
Certification: CE
Model Number: SGDR-SDA950A01B-EY35

Payment & Shipping Terms:

Minimum Order Quantity: 1 pc
Price: Contact us
Packaging Details: New in original box
Delivery Time: 2-3 work days
Payment Terms: T/T, , L/C
Supply Ability: 88
Detailed Product Description
Package: Original Package Color: Black/Red/White/Grey
Quality: New And Original Function: Close Loop Control

Brand: Yasakawa Model: SGDR-SDA950A01B-EY35
Palce Of Origin: Japan Type: Servopack
Output (w): 0.44KW Nput Volatge: 200-230v
Input Frequency: 50/60hz Input PH: 1
High Light:

ac servo pack


ac servo drive



Industrial Servo Drives Yaskawa SGDR-SDA950A01B-EY35 Servopack PWM Amplifier Interface Module


SGDR-SDA950A01B-EY35 Yaskawa Drive Closed Loop Control Servopack 0


Quick Details

Brand Name:Yaskawa

Model Number: SGDR-SDA950A01B-EY35

Manufacturer: Yaskawa

Product number: SGDR-SDA950A01B-EY35

Vendor number: 157888-1

Description: SGDR-SDA950A01B-EY35 is an Drives-AC Servo manufactured by Yaskawa

Place of Origin:Japan

Efficiency:IE 1





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Test Apparatus
The tests were performed using the rig shown in Figure 2 which consisted of a rigid steering wheel
connected to a shaft supported by 3 radial bearings. The shaft incorporates a lever arm which is
connected to an electrodynamic shaker unit by means of a stinger rod. All mechanical components (i.esteering wheel, shaft, bench) were modeled using the finite element method and were found rigid to
frequencies in excess of 300 Hz. The seat, guide-rail and the bench geometric dimensions (see Table 1)
were chosen based on average data from European B-segment automobiles. Seat horizontal travel and
back-rest inclination were fully adjustable.
Geometric Parameter Value
Steering column angle with respect to floor 23°
Steering wheel hub centre height above floor 710 mm
Seat H point height from floor 275 mm
Horizontal distance from H point to steering wheel hub centre 390 – 450 mm
Steering wheel handle diameter 12.5 mm
Steering wheel diameter 325 mm
Natural Frequency of the test bench 310 Hz.
The steering wheel was vibrated by means of a G&W V20 electrodynamic shaker driven by PA 100
amplifier [8], using the internal sine wave generator. The acceleration obtained at the steering wheel was
measured using an Entran EGAS-FS-25 accelerometer located on the top left side of the steering wheel.
The accelerometer signal was amplified by means of an Entran MSC6 signal-conditioning unit [6] and
monitored by Tektronix TDS210 digital oscilloscope

Three equal sensation tests; namely test 1, test 2 and test 3 were performed at different frequency and
amplitude values. The selection of test frequencies and amplitudes was based on the analysis of steering
wheel vibration levels obtained from tests of a Renault automobile on 7 road surfaces using 175/65 R14
and 225/45 R16 tyres driven at 45 m.p.h. [21]. An annoyance threshold test was also performed to
measure the maximum level of steering wheel vibration that the subjects were willing to withstand for 10
seconds of exposure time. The frequency range of interest was chosen to be from 5Hz to 315 Hz, using
the center frequencies of the 1/3 octave band scale. The reference frequencies for equal sensation test 2
and 3 were chosen at 0.2 and 0.4 ms-2
r.m.s respectively, both at 10 Hz. However, due to the limitation ofthe shaker, equal sensation test 1 was performed with reference amplitude of 0.5 ms-2
r.m.s at 40 Hz.
Table 3 summarizes the reference frequencies and amplitude levels.
A variation of the method of constant stimuli [4, 9] was used for the equal sensation tests. A reference
vibration stimuli was used for generating each of the three equal sensation curves. The three reference
stimuli were 0.5 ms-2
r.m.s at 40 Hz, 0.2 ms-2
r.m.s at 10 Hz and 0.4 ms-2
r.m.s at 10 Hz. Each reference
stimuli was presented to the test subjects for 20 seconds, then the frequency of the stimulus was
changed and the subjects were asked to give verbal instructions so as to adjust the amplitude of the new
stimuli until it produced a similar sensation to the reference. During each test, the subject was required to
compare the test signal to the reference within a 30 second time interval so as to remain within human
short term memory [1]. All 1/3 octave band frequencies in the range from 5 Hz to 315 Hz (i.e 5, 10, 12.5,
16, 20, 25, 31.5, 40, 50, 63, 80, 100, 125, 160, 200, 250 and 315 Hz) were tested. Since human
judgement has been shown to be relative rather than absolute [4 ], stimuli comparisons were limited to
occur between frequencies which were no more than one full octave (i.e doubling of frequency) apart.



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