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PhaseSpace Impulse User Manual

Motion digitizer system
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PhaseSpace Impulse: LED System
COPYRIGHT
This manual is copyright  2006, PhaseSpace, Inc., All Rights Reserved. This document may
not, in whole or in part, be copied, photocopied, reproduced, translated, or reduced to electronic
medium or machine-readable form without prior consent, in writing, from PhaseSpace, Inc.
The distribution and sale of this product are intended for the use of the original purchaser only.
Duplicating, selling, or otherwise distributing this product is a violation of the law.
DISCLAIMER
PHASESPACE INC. MAKES NO WARRANTIES, EITHER EXPRESSED OR IMPLIED, WITH RESPECT TO THE
SYSTEM DESCRIBED HEREIN, ITS QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR ANY
PARTICULAR PURPOSE. THIS SYSTEM IS SOLD "AS IS". THE ENTIRE RISK AS TO ITS PERFORMANCE IS WITH
THE BUYER. SHOULD THE SYSTEM PROVE DEFECTIVE FOLLOWING ITS PURCHASE, THE BUYER (AND NOT
PHASESPACE, INC. THEIR DISTRIBUTORS OR THEIR RETAILERS) ASSUMES THE ENTIRE COST OF ALL
NECESSARY DAMAGES. IN NO EVENT WILL PHASESPACE, INC. BE LIABLE FOR DIRECT, INDIRECT,
INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM ANY DEFECT IN THE SYSTEM EVEN IF IT HAS
BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME LAWS DO NOT ALLOW THE EXCLUSION OR
LIMITATION OF IMPLIED WARRANTIES OR LIABILITIES FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO
THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY.
PhaseSpace and the PhaseSpace logo are registered trademarks, and all PhaseSpace product
names are trademarks of PhaseSpace, Inc.

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  • Page 1 PhaseSpace Impulse: LED System COPYRIGHT This manual is copyright  2006, PhaseSpace, Inc., All Rights Reserved. This document may not, in whole or in part, be copied, photocopied, reproduced, translated, or reduced to electronic medium or machine-readable form without prior consent, in writing, from PhaseSpace, Inc.
  • Page 2 Note: The PhaseSpace Impulse system is delivered with shielded Ethernet cables. Shielded Ethernet cables are required to comply with emissions limits. It is the responsibility of the user to use the supplied cables.
  • Page 3 Document Purpose This purpose of this document is to describe the LED component of the PhaseSpace Impulse system. The items covered are: • LED Base Station description • LED Driver Unit description • LED String description • LED Module description •...

  • Page 4: Table Of Contents

    Table of Contents 1: LED SYSTEM DESCRIPTION .................5 1.1 LED B ..................5 TATION 1.2 LED D ..................6 RIVER 1.3 LED S ....................9 TRINGS 1.4 LED M ....................10 ODULES 2: LED STRING CREATION ................11 2.1 A LED C ..........11 TTACHING ONNECTORS TO THE ABLE 3: LED SYSTEM SETUP..................14 3.1 LED H...

  • Page 5: 1: Led System Description

    Figure 1.1.1: LED Base Station The LED Base Station functions as the primary link between the PhaseSpace HUB and the LED system. The base station is connected to the HUB by connecting one end of an ethernet cable to a port on the HUB and connecting the other end of the cable into the ethernet (RJ45) port on the base station.

  • Page 6: Led Driver Unit

    • Transmission of timing signal to the LED Driver Unit(s) • LED programming The base station also has the capability to drive LED strings independently. The interfaces on the LED Base Station are: • One 6-pin (RJ11) port • One 8-pin ethernet (RJ45) port •...
  • Page 7 Figure 1.2.1: LED Driver Unit The battery pack is charged by connecting the driver unit to the LED driver charger. From a completely discharged state the battery pack should take two to three hours to fully charge. Figure 1.2.2: LED Driver Unit connector view A total of six LED strings can be connected to the 14-pin connector using a six-wire breakout adaptor or a six-port breakout box.
  • Page 8 Figure 1.2.3: LED Driver Unit indicators The indicators give the following information: • Battery Power - The leftmost column of four lights indicates battery power • Signal Power - The rightmost column of four lights indicates signal power (tetherless mode) •...

  • Page 9: Led Strings

    (refer to Figure 1.2.5). This is an indication that the unit is ready to be encoded. For more information about encoding refer to the PhaseSpace Impulse: Configuration Manager document. Figure 1.2.5: LED Driver Unit is ready to be encoded 1.3 LED Strings...

  • Page 10: Led Modules

    1.4 LED Modules The LED modules contain the actual light sources that are tracked by the PhaseSpace cameras. Along with the light source is a microprocessor that controls the modulation of the LED’s pulse duration and amplitude. Each LED has one of 12 LED designations (labeled A through L). This designation along with the identifier of the LED driver gives each LED a unique identifier.

  • Page 11: 2: Led String Creation

    2: LED String Creation In general, the LED Strings are delivered “unpopulated”, meaning that connectors are not attached to the LED cable. This is due to the fact that the placement of connectors on the cable is dependent on the particular motion capture application.
  • Page 12 labeled with the number “1”. The uncolored wire should be positioned over the socket labeled with the number “2” (refer to Figures 2.1.1 and 2.1.2). Figure 2.1.2: LED cable positioned in LED connector Each of the cable wires should then be pushed into the sockets on the connector using the crimp tool (refer to Figures 2.1.3 and 2.1.4).
  • Page 13 It is important that the wires be pushed fully into the teeth of the connector sockets. This may require more than one push using the crimp tool. Figure 2.1.4: Close-up of crimp tool and connector The number of connectors necessary for a cable equal the number of LED modules to be attached to the cable plus one connector that is required to connect to the LED driver.

  • Page 14: 3: Led System Setup

    For example, full body motion is tracked best by placing LEDs along the legs, arms, head, and torso. Full body motion requires the attaching of numerous LEDs (PhaseSpace recommends at least 30 for full body motion) to be properly tracked. Other targets such as the end of a bat or golf club may require only one LED.

  • Page 15: Led String File Setup

    LEDs on the strings. The content of the strings file is accessed from the LED configuration page of the PhaseSpace Configuration Manager (refer to the PhaseSpace Impulse: Configuration Manager document).
  • Page 16 LED encoding command must be run (this is done by clicking on the “encode” button on the LED configuration page of the PhaseSpace Configuration Manager). The advantage of this particular setup over the default is that the software has specific information about the LED setup and the number of markers that need to be specified will be equal to the actual number of LEDs on the strings (in this case 30).

  • Page 17: Technical Support

    Technical Support For any questions regarding hardware, software, or documentation use the contact details given below to contact PhaseSpace. 1933 Davis Street, Suite 294, San Leandro, CA USA 94577 (510) 638-5035 www.phasespace.com Technical Support: support@phasespace.com...

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