+44 (0) 1462 475 600  peak.production@thepeakgroup.com

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Peak Production Equipment Ltd

Peak House
Works Road
Letchworth Garden City
Herts
SG6 1GB

peak.production@thepeakgroup.com

+44 (0) 1462 475 600

+44 (0) 1462 475 626

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About Peak Production

Peak Production are a manufacturer of automated equipment based in Letchworth Garden City, Hertfordshire, the UK’s first garden city. Our automated equipment has been installed across many manufacturing sites both in the UK and abroad and we cover many disciplines (PCB Design, test rack configuration, including panel design and manufacture, custom wiring etc.)  

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The PXI Show Preview: Peak Group adds new products to portfolio of PXI automatic test systems based on partnerships with NI, GOEPEL electronic and VPC.
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The Peak Group and Equip-Test sign partnership to offer test support across Europe

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Providing Automated Test and Measurement Solutions.

Automotive

Functional Test of an 'In Vehicle Location' System.

Peak Production - Automotive Test Solution - In Vehicle Location System

The Challenge

Peak Production - Automotive Test Solution - In Vehicle Location System - Cassette System       

To functionally test an 'in vehicle location' system that includes GPS, GSM, serial and can bus communications.

Customer Requirements

The customer required the test system to be designed to allow expandability and adaptability so future products could be tested.

After each test, the results needed to be transmitted to a DCS (Data Collection Service) to be recorded and released. These results were then to be analysed using WRAP (Web Reporting Analysis Package) software.   

The Solution

Peak Production - Automotive Test Solution - In Vehicle Location System - PXI Rack internal       

A cassette based design was chosen to meet the adaptability requirements of the customer. A PXI chassis was the preferred hardware route, which allowed the option for system expansion. PXI is a well-established industrial test platform, offering a huge range of interface cards.

A drawer based approach was chosen to enable quick and easy loading of the unit for testing. Sensors are included throughout the fixture to ensure the controlling software knows the fixture state at any stage of the test process. On completion of testing, the drawer lock is released and only when the unit is removed can the cycle be repeated.  

How the solution was Implemented

The test instrumentation was housed in a custom 19” cabinet. This cabinet also accommodated the mechanical hardware to accept the cassette, with the drawer mechanism housing the unit under test and the pneumatics to operate the mechanical engagement. The basic hardware is housed under the drawer platform and encompasses the PXI chassis, Triple DC power supply and mains distribution/emergency stop module.

The sequence file was written in National Instruments Teststand and any bespoke software required was written in Labview. For each step in the sequence the test step result was appended to a string variable. Once the test process was complete, test data was sent to the DCS and Peak WRAP software analysed these results.