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Arbin Instruments Company Overview.

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Presentation on theme: "Arbin Instruments Company Overview."— Presentation transcript:

1 Arbin Instruments Company Overview

2 The World of Arbin Fuel Cells Hardware Engineering Batteries
Technology Software Supercapacitors Service

3 Organization Headquarters and Production Facility in College Station, TX Arbin Offices in Korea and China Arbin Service Centers in Germany and Canada Arbin Representative Offices in France, Spain, Turkey, India, Israel, Japan, Malaysia, Singapore, Taiwan Truly Worldwide Organization and Support Structure

4 Energy Conversion Devices
Primary Battery Secondary Battery Fuel Cell Supercapacitor Flywheel Solar Cell DC Motors Electric Vehicle Hybrid Electric Vehicle

5 Applications Aerospace Automotive Consumer Electronics Marine Medical
Military Telecommunications Transportation Power Generation

6 Battery Testing Multiple Independent Channels
Automated Charge and Discharge Systems for All Battery Types and Chemistries Wide Range of Current, Voltage, and Power for Testing Single Cells up to Large Packs Potentiostatic and Galvanostatic Operation Up to 3000A, 800V

7 Electric Vehicle Testing
Life Cycle Test: Charge/Discharge Cycling ESR Measurement Leakage Current Measurement Fast Rise Time Fast Data Collection Simulation control Thermal Performance Test (temperature chamber interface) Power up to 25 kW 3 current ranges/2 voltage ranges

8 Fuel Cell Fully Automated Cell and Stack Testing <1W up to 200kW
Gas Handling Complete Temperature and Pressure Control Programmable Electronic Load Stack Cooling/Heating DPH Humidification Technology Exhaust Gas Handling Auxiliary Measurements

9 Plug & Play Modularization
Easy installation Easy service Easy upgrade Easy expansion Flexible custom design with standard modules Compact size: 20% ~ 80% decrease from conventional design High power density Higher reliability Current Range Card Four Channel Board

10 Main I/V Features Optional high and slow speed pulse with synchronized DAQ. MITS Pro, can generate high speed (sub-millisecond) bipolar pulses as fast as 500us and synchronized data sampling on linear circuitry DC internal resistance. Online measurement of cell’s DC ohmic resistance. Bipolar current/voltage output guarantees cross zero linearity and accuracy. Enables instant cross zero transition with the speed defined by the rise time. Voltage clamp to protect from over- or under- charge/discharge. I/V channel paralleling. This option allows users to parallel several I/V channels to increase current output. Programmable control of current, voltage, load and power; providing constant, linear ramp, staircase and other control profiles, generated by a specified formula. Independent control for each channel. High accuracy to 0.1% FSR control and reading accuracy of current or voltage on linear circuitry and 0.25% FSR accuracy on PWM circuitry. Multiple current ranges on every channel provides high accuracy over a wide, dynamic range. Fast current rise time from 50ms to 2ms on linear circuitry; 10~100ms on PWM circuitry.

11 with Multiple Current Ranges
High Accuracy with Multiple Current Ranges Low range Medium range High range Log(ABS I ) 10A 1A 10mA 1mA 10uA -10mA Log I (A) 10mA 10 A -10 A - 1mA -Log I (A) 10 V 5 V Three Current Ranges (±10A/±100mA/ ±1mA,) Single Current Range (±10A, 2 V ~10 V) Up to three current ranges and two voltage ranges 0.02% full scale accuracy

12 Fast Rise Time and Bipolar
Bipolar control without zero crossing dead zone (current and voltage) Guarantees cross zero linearity Advantage over other products on the market, which can not apply or control desired value when current or voltage is close to zero, such as within 2% of the maximum current. Reverse Charge Technique

13 Voltage Clamp High voltage clamp CV CC Low voltage clamp
A maximum voltage limit on charging or minimum voltage limit on discharging are applied through hardware As it is a hardware function, voltages can not exceed these limits even if software hangs up or communication is lost

14 Software Channel Paralleing
Option

15 IR measurements I0 - the current in the testing step,
I1 - the current setting for IR measurement Resulted IR value is based on the averages over ten generated pulses The width of each pulse is of 1.0 ms.

16 Option: Simulation I or V time Original profile Simulated profile This operation is used to simulate the load profile of a complex application, such as a power tool or electric vehicle where programming profile would be difficult Voltage, Current or Power profiles can be simulated Response Time: 250 ms 1. Convert real time data to Notepad or Excel file, (Excel is better) 2. Enable ‘simulation control’ 3. Depending on the type of machine, both V and I, or V only, or I only profiles can be conducted for simulation operation.

17 Dynamic Stress Testing

18 High Speed Pulse Option
User-Defined Pulse Specifications Minimum pulse stage width 500 s Minimum pulse stage increment width 50 s Maximum total pulse stage 10 Maximum total pulse length 3 s Maximum data sampling speed One pulse every 15 s

19 Optional Auxiliaries Auxiliary Voltage Input: Usually a floating ±10V or 0-20V range with 10GOhm input impedance Thermocouple Input: Type T, K, J, E Thermistor Input: Provides activation signal for the thermistor Pressure Input: Provides activation signal to the pressure transducer pH meter: A BNC connector is provided for input from the pH sensor External Charge/Load Adapter: This option is to test a battery under a specific charger/load or to test the charger/load. It connects the battery under test to an external charger or load. Smart Battery: The BT2000 reads information from a smart battery and tests the smart battery accordingly Flow Rate Input: Reads data from the gas or liquid flow meter into data file Programmable Digital Input/Output Control: Input control provides external TTL or relay signal to control the testing while output control provides TTL or isolated relay output to trigger external devices such as valves or alarm.

20 Optional Utilities AC Impedance Measurement to achieve certain accuracy (± 5~6% of value) of the cell’s AC impedance. Auto-Calibration allows for automatic calibration of the main I/V channels and auxiliary inputs for higher number-of-channel systems Uninterruptible Power Supply (UPS) protects against computer shutdown in the event of power failure. Arbin recommends a UPS for the system’s protection. Software can control multiple Temperature Chambers which are added to the system to provide environmental control around tested cell/battery. Temperature chamber or device controller to control Arbin temperature chamber or other brands of temperature chamber. Mass flow or metering pump controller to deliver required flow rate set in the testing schedule and record flow rate data in a data file. Combustible or toxic gas detector and alarm.

21 Software

22 1.3. Scheduling and Operation on BT2000 Series
Load Test Batch Click ’launch’to get monitor & control window on ArbinSys.bth or right click a ‘*.bth’ to launch it onto ArbinSys.bth Create Schedule 1 CH. 2 Unit 1 CH. 3 Create Schedule 2 Unit 2 Aux.Mapping, V clamp & Math filter MITSPro window Create Schedule n CH. n Schedule window Batch window Running Test Batch Highlight channels in M&C window Check hardware connection Click the ‘start channel’ After while, ‘graph view’ Stop or Resume Channel Highlight only channels to be effected on Click the ‘stop channel’ or the ‘resume channel’ View & Print Graph Click ‘Excel’ button, Select ‘Arbin data’, then, ‘Arbin plot’ Only 1 running batch file, reasons to make batch file - Map Different Auxiliaries - Do next weeks work ahead of time Monitor & Control window Yes Stop channel? MITSPro window Monitor & Control window No S1.3.1

23 Schedule Editing, Control Types
(3) (1) Slope (2) Constant Ramp (1) t t SAFOR: ± I, V LBT: ± I, W,  PBT: - I, W,  BT2000: ± I, V, W,  SAFOR: N/A LBT: ± I PBT: - I BT2000: ± I, V I -- Current V -- Voltage W -- Power  -- Load width of stair (3) t (4) Staircase Formula (2) height of stair (1) t SAFOR: N/A LBT: ± I PBT: - I BT2000: ± I, V Formula, up to 8 parameters, 4 functions and 1 operator only applied on BT2000 S1.3.4

24 Schedule Editing 1 2 3 4 Green Lines are commands Yellow lines when its done and how to log data 1. Control type Control value Termination condition 4. Data collection condition

25 Schedule Editing Control Types
1. ‘Voltage’/‘Current’ Control, and ‘Voltage Clamp’ 2. ‘Power’ Control: ( related application, operation sequence and initial status of the battery) W = V x I (watt) 3. ‘Load’ Control: ( related application, operation sequence and initial status of the battery) R = V / I (ohm) 4. ‘C-rate’ Control: (same type, different size, and + charge, - discharge) You must enter the capacity of the battery in the batch file C-Rate calculates the correct current for charge/discharge 5. ‘Rest’ Control: ( set as first step to check external connection and initial status of the battery) No Current, Just reading the voltage. 6. ‘Internal Resistance’ 7. ‘AC Impedance’ Measurement, (optional) 8. ‘External Charge’ Control: (optional) No control for external power supply, reading I & V 9. ‘Voltage or Current Simulation’: (optional) simulate the charge or discharge profile of special load, such as the power tool. Clamp – commonly used for protection circuits to limit machines output voltage and keep it from damaging circuit. Power and Load are simulated, i.e. we measure the Voltage and then apply the appropriate amount of current to get the desired output. S1.3.5

26 Schedule Editing Step Limit Conditions
1. Time Limits. 6 different timers 2. Voltage Limit. 3. Current Limit. 4. ‘Capacity’ or ‘Energy’ Limits. (AH or WH) 5. ‘Factor of Capacity or Energy’ Limit (FC): Formula 6. ‘Change of the Voltage or the Current’ Limit (dV or dI): i.e.V- Vmax, Formula 7. ‘Voltage or Current Rate’ Limit (dV/dt or dI/dt) 8. Step Index. Control test based on another channel. 9. Digital Inputs: to control testing by external on/off signal. 10. Internal Resistance. 11. Auxiliary Value and Differential Limits, 2nd voltage, Temperature, Pressure, pH, & Flow rate 12. A variety of combinations through ‘And’ conditions, formulae, and meta-variables. Time Limits: Test, step, TC-Count 1 thru 4 Voltage Limits: Ending a test based on a cutoff Voltage Current Limit: Ending a test based on a cutoff Current Capacity and Energy Limits: Using calculated capacity/energy to manipulate tests Factor Capacity / Energy: Use a formula, 80% * Nominal_Capacity, to influence testing Voltage or Current Rate: use dV/dt or dI/dt to influence testing Step Index: Use another channels input to influence testing Digital Inputs: If you have Digital I/O ports, you can use those to influence a test Auxiliaries: Using Auxiliaries to influence the test or tell the system to go unsave Note: Is formulae really the plural of Formula? S1.3.17

27 Schedule Editing Log Limit Conditions
1. Time Interval t Log a data point every t 2. Voltage Difference V When the voltage difference from the last logged data point reaches V, a new data point will be logged. 3. Current Difference I When the current difference from the last logged data point reaches I, a new data point will be logged. Can use multiple log conditions, Current Control – DT, DV Voltage Control – DT, DI Almost always >= used in software. Otherwise you could log data uncontrollably S1.3.19

28 Virtual Mapping: Traditionally, auxiliary inputs are dedicated to a main channel. As a result, many auxiliary inputs will be needed for every possible usage on every channel. Virtual mapping enable user to assign any single or group of auxiliary inputs to any main I/V channel. Any auxiliary input can also be assigned to several main I/V channels. As result, only small number of input channels may serve for large number of main channels and can be more creative and more flexible in the application

29 Protection of files by creating password

30 Specific functions 1. Using Simulation Control, the user programs a 1 step schedule that tells the Arbin system to control current, voltage, or power based on a text file. In the text file is simply data about current, voltage, power vs. time. The Arbin system will apply the current (or voltage or power) profile according to the data in the text file. 2. Formula feature: Software should allow the user to control a test using variables rather than concrete control values (for example, instead of using 4.2V for control, the system should be able to use “Last Step Maximum Voltage” as the control type for the following step. It must also be possible to use these variables in a formula to control the system (For example, “Stop the charge step when FORMULA A falls below -0.1 where FORMULA A = PRESENT CHANNEL VOLTAGE – MAXIMUM CHANNEL VOLTAGE)…..or something. Formulas should have: ABS, COS, ACOS, SIN, ASIN, TAN, ATAN, CEILING, CUBIC, EXP, EVEN, FACTOR, FLOOR, INT, LN, LOG10, ODD, RANDOM, SIGN, SQUARE, SQRT, and TRUNCATE function commands in addition to the normal operators (+ - * /). 3. C-Rate: It should be possible to program test profiles using C-RATE so that a single test schedule many be performed on different sizes of batteries. The user programs the schedule based on C-RATE and then when assigning that test schedule to the channel the test will be performed on, they also enter the capacity of the battery that the schedule will be assigned to. This prevents the customer from having to write a different schedule for every size battery they use when the test that they are performing is the same except for current values. 4. On-the-fly test schedule modification: The user should be able to make modifications to the test schedule while the test is currently running – without stopping or pausing the test. Changes are applied immediately upon saving the schedule. For example, you write a test schedule and run it on a battery. While monitoring the data real time, you notice that the current value you programmed should actually be a different value. With the test running, you simply open the schedule and change the current value. You then save the schedule and the change is applied instantly to the running test.

31 Specific functions 5. System should have the following control types (standard): Constant Current – user sets current value (or variable or function) Constant Voltage – user sets voltage value (or variable or function) C-Rate – user sets C-Rate value (Ex. C/4….) Rest (OCV) Constant Power – user sets power value Constant Load – user sets load value (Ohms) Current Ramp – user sets starting current value and ramp rate (A/sec) Voltage Ramp – user sets starting voltage value and ramp rate (V/sec) Current Staircase – user sets starting current value, current step value, and stair time value Voltage Staircase – user sets starting voltage value, voltage step value, and stair Time Current Pulse – user defines sub-second pulse with up to 10 stages (current and time per stage). Pulse can be run once or repeated for a certain length of time Voltage pulse - user defines sub-second pulse with up to 10 stages (voltage and time per stage). Pulse can be run once or repeated for a certain length of time Current Simulation – user assigns data text file with current vs. time data – system follows data file Voltage Simulation – user assigns data text file with voltage vs. time data – system follows data file Power Simulation – user assigns data text file with power vs. time data – system follows data file Internal Resistance – user assigns amplitude and offset – system automatically runs DC internal resistance measurement based on current interrupt method and generates resistance value

32 Data Export and Handling

33 Monitoring a test with MITS pro:
Monitor screen is the main interface between machine and user. 4 monitor screens are provided for convenience of use. The detail view provide real time data and information, one line for each channel. It include date, time, test name, schedule name, step#, current, voltage, energy, capacity, power, load…. This is the main screen for user to quickly scan each channels information. The brief view give a glance of all channels of their status. Each channel is represented with a small square box and color codes represent status such as charge, discharge, stop… Graph view plot test curves of a number of channels for certain period of time up to the moment. It is convenient to check the test trend of several channels through this view. Channel view present all available data of one channel on one screen, including SMB data. User does not need to scroll the screen like in the detail view.

34 Brief View Screen

35 Brief View Screen

36 Brief View Screen

37 Partial list of customers:
3M Argon Nat’l Lab AT&T Bellcore Canon Corning DaimlerChrysler Dupont Duracell Energizer Eveready Battery FMC GM IBM GM Delphi Lawrence Berkeley Lab Maxwell Lab Monsanto Motorola NASA Ovonics Battery Panasonic Procter&Gamble Raychem Sanyo Saft Schlumberger Synergy TCL TDK US Army Research Lab Hutchinson PSA INRETS CEA grenoble Polytech’Nantes Batscap Nissan EADS


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