S4 S6 S1 Displacement Acceleration Force S5 S2 Force_Damper Actuator_LVDT General Sensor Layout for Shake Table Tests LT4 LT0 LS2 LS1.

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Presentation transcript:

S4 S6 S1 Displacement Acceleration Force S5 S2 Force_Damper Actuator_LVDT General Sensor Layout for Shake Table Tests LT4 LT0 LS2 LS1

Channel Sensor Designation Amplifier Sensor TypeBrand - #Charge Sensitivity Output Unit 1S5 Ke Dong KD5108 Ch 1 Accelerometer Brüel & Kjær model # serial # pc/m s^-2cm/s^2 3S2 Ke Dong KD5108 Ch 2 Accelerometer Brüel & Kjær model # serial # pc/m s^-2cm/s^2 2 S1 Ke Dong KD5108 Ch 3 Accelerometer Brüel & Kjær model # serial # pc/m s^-2cm/s^2 4 S6 Ke Dong KD5108 Ch 4 Accelerometer Brüel & Kjær model # serial # pc/m s^-2cm/s^2 6 S4 Ke Dong KD5108 Ch 5 Accelerometer Brüel & Kjær model # serial # pc/m s^-2cm/s^2 7Force_Damper Powered by MTS FLEX GT Load Cell MTS model #661.19F-03 - serial # V/NN 9Actuator_LVDT Powered by MTS FLEX GT Displacement Schenck 100 mV/mmmm 11LT4 BHST made amplifier Displacement Beijing Haiquan Sensor Technology Co model #DA-50 - serial #K mV/mmmm 12LT0 BHST made amplifier Displacement Beijing Haiquan Sensor Technology Co model #DA serial #K mV/mmmm 13LS1 LK-G3001V Controller Displacement Keyence LK-G405 - serial # mV/mmmm 14LS2 LK-G3001V Controller Displacement Keyence LK-G mV/mmmm 16 Comm_Volt Damper comes from dSpace VoltageApplied Voltage to MR Damper 1V Data is already converted to engineering units. Command voltage is generated by dSpace and is sent to DongHua DAQ system. DongHua DAQ Setup

Channel dSpace1104 Sensor Designation Amplifier Sensor TypeBrand - #Charge Sensitivity Output Unit ADCH1S1 Ke Dong KD5108 Ch 3 Accelerometer Brüel & Kjær model # serial # pc/m s^-2m/s^2 ADCH2S6 Ke Dong KD5108 Ch 4 Accelerometer Brüel & Kjær model # serial # pc/m s^-2m/s^2 ADCH3S4 Ke Dong KD5108 Ch 5 Accelerometer Brüel & Kjær model # serial # pc/m s^-2m/s^2 ADCH4 LT4 BHST made amplifier Displacement Beijing Haiquan Sensor Technology Co model #DA-50 - serial #K mV/mmm ADCH5Force_DamperPowered by MTS FLEX GTLoad Cell MTS model #661.19F-03 - serial # V/NN DACH6 DACH7 Voltage has been sent to current driver and Donghua. Data is already converted to Engineering Units. dSpace 1104 DAQ Setup Data Structure for dSpace Channel Data Sensor TypeDescriptionOutput Unit Y(1,1)VirtualDesired MR Damper ForceN Y(1,2)Analog OutputCommand Voltage to Current DriverV Y(1,3)AccelerometerFirst Floorm/s^2 Y(1,4)AccelerometerSecond Floorm/s^2 Y(1,5)AccelerometerThird Floorm/s^2 Y(1,6)DisplacementFirst Floor Relative Displacementm Y(1,7)Load CellMR Damper ForceN

Additional Notes

MR Damper Made by LORD Model: RD Serial: Operation between 0-1 Amp current Pictures about how the damper is attached to the structure can be found under Experiment- 2.

Current Driver The current driver used in these tests do not have any brand/serial #. The current driver equation is A = V/1.70

Force Sensor and Actuator LVDT The MTS load cell and Schenck actuator LVDT is powered by MTS Flex GT Controller. An output has been sent from controller to DAQ system.

Laser Sensor Conditioner The laser sensors are powered with LK- G3001V Controller The signal has been filtered with a low-pass filter at 300 Hz.

dSpace To regulate the current level sent to MR Damper, dSpace has been used. For semi-active case voltage regulation, floor accelerations, first floor relative displacement and load cell coming from MTS controller are divided with tee-converter to Donghua and dDspace. For ADC[1-4], resolution is 16 bit. For ADC[5-8], resolution is 12 bit.