Functional Specifications for an automated snowboard binding
Contents
1. J YX 8888 University Drive Burnaby BC Canada INNOVATIONS jac ensc440 sfu ca February 16 2011 Dr Andrew Rawicz School Of Engineering Science Simon Fraser University Burnaby British Columbia V5A 156 Re ENSC 440 Functional Specifications Auto Secure Binding An Automated Snowboard Binding System by JAC Innovations Ltd Dear Dr Rawicz Please find enclosed the functional specifications for the Auto Secure Bindings ASB from JAC Innovations We are further improving snowboarding bindings by designing and implementing a complete automated snowboard binding system The ASB aims to provide snowboarders of all ages and skill levels convenience and avant garde style to the snowboarding experience The functional specifications present the set of high level specifications required for the ASB s functionality throughout its various phases of development This document will provide the baseline requirements for the prototype version of the ASB The design team at JAC Innovations will make reference to this document to ensure that the ASB operates satisfactorily JAC Innovations consists of five motivated and knowledgeable fifth year engineering students Clara Luo Andrew Ng Jackie Ng Jeffrey Sun and Jacky Wong These five individuals bring their experience in software engineering hardware fabrication and telecommunications to the team If you have any inquiries or comments regarding our project please feel free to contact our team2. 053 2 There shall be a separate power source powering the motors Safety Requirement FR 054 2 The unit shall not cause bodily harm during adjust Performance Requirement FR 055 3 The bindings shall start up within 500 milliseconds FR 056 3 The binding shall respond to remote signals within one second FR 057 3 The total time taken for automatic adjustment shall not exceed 30 seconds Luxury Functions FR 058 3 The bindings shall have accessory lighting FR 059 3 The bindings shall be able to be customized with selective colours or patterns User Documentation and Training FR 060 3 The user manual shall in a simple high level language FR 061 3 A detailed specification menu for service technician and vendors shall be created FR 062 3 User documentation shall have a user manual containing general and technical support information HAC 2011 JAC Innovation Inc 8 INNOVATIONS Functional Specification for Auto Secure Bindings An Automated Snowboard Binding System AUTO SECURE BINDINGS System Test Plan The development of ASB will follow four in depth testing stages All units will undergo testing individually in the first testing cycle To ensure the system is functioning properly each component is required to meet its specifications In the seconding testing stage the units are integrated together and undergo functionality and compatibility testing as a whole The next stage is to conduct qualitative testing
3. FR 038 2 The bindings shall identify and separate the signal for left and right bindings FR 039 3 The binding system should not be intrusive to the user FR 040 1 The bindings should have an idle state where the components are static and locked JAS 2011 JAC Innovation Inc INNOVATIONS Functional Specification for Auto Secure Bindings An Automated Snowboard Binding System AUTO SECURE BINDINGS Mechanical Requirements FR 041 2 The securing mechanism shall use adjustable locking joints FR 042 2 The back plate shall lower to allow the user to step in FR 043 2 All automated parts shall be able to be manually adjusted FR 044 3 The unit shall not be physically obtrusive to the user Reliability and Durability FR 045 2 The unit shall withstand the force generated from the user s feet against the back plate FR 046 2 The unit shall endure the force generated from the user s feet against the front bracket Performance Requirements FR 047 3 The bindings shall not exceed 4 kilograms Electrical Performance FR 048 2 The power supply shall be able to power all moving components simultaneously FR 049 3 The bindings shall enter a sleep mode to conserve power consumption FR 050 1 Key voltage nodes shall accessible for measurement and troubleshooting FR 051 3 The normal operation of the unit shall allow the power supply to last at least 3 months FR 052 2 The battery shall be accessible and changeable FR
4. employing a systematic method involving typical user scenarios In the last testing stage the system will be tested for catastrophic failures Individual Component Testing In this testing cycle each component is tested for its functionality MCU e Ability to establish two way communication between PC for programming and debugging e Ability to execute software implemented flawlessly e Ability to interpret RF signals received e Ability to stay powered for extended periods of time without failure e Ability to distribute signal to peripherals Ratchet Joints e Ability to rotate up to 90 forward and backward e Ability to minimize backlash e Ability to rotate step by step Motor e Ability to achieve required torque with supplied battery power RF Transceiver Module e Ability to detect other RF modules in range e Ability to transfer data between RF modules e Ability to power up by battery pack Circuitry e Ability to power unit via battery pack e Ability to store presets Buttons e Ability to send out corresponding command assigned FQ 2011 JAC Innovation Inc y INNOVATIONS Functional Specification for Auto Secure Bindings An Automated Snowboard Binding System AUTO SECURE BINDINGS Integration Testing Binding Unit e Ability to rotate the ratchet joint s forward and backward e Ability to secure the boot tightly according to user s preset preference e Ability to loosen the boot mechanically e Ability to
5. receive signals from wireless control unit e Ability to detect user s boot Wireless Control Unit e Ability to communicate with binding unit e Ability to response to user s input e Ability to illuminate LED feedback Qualitative Testing Typical User Scenarios e User dropping the binding unit 2 meters above ground e User crushing the binding unit while stepping in e User loosening the binding unit manually e Minimizing actuating time e Volatile vibration e Operation in cold and humid condition Failure Testing Typical improper use scenarios e Place foreign objects into the binding unit e Wireless controller battery runs out e Binding unit battery runs out e Submersing system in water FAC 2011 JAC Innovation Inc 1 0 INNOVATIONS Functional Specification for Auto Secure Bindings An Automated Snowboard Binding System AUTO SECURE BINDINGS Conclusion The function specifications laid out in this document outlines the necessary requirements for the proof of concept prototype and the final retail product The proof of concept and prototype device are currently in development The requirements for each phase are marked with set priorities which must be met The prototype will be delivered in mid to late April JAS 2011 JAC Innovation Inc 1 1 INNOVATIONS Functional Specification for Auto Secure Bindings An Automated Snowboard Binding System AUTO SECURE BINDINGS References 1 Internationa
6. via e mail at jac ensc440 sfu ca Alternatively you may contact me directly by e mail at chiw sfu ca or by telephone at 604 751 5556 Sincerely lt Jacky Wong Chief Executive Officer JAC Innovations Ltd Enclosed Functional Specs for Auto Secure Bindings An Automated Snowboard Binding System IA INNOVATIONS Functional Specifications for an automated snowboard binding securing system Project Team Clara Luo Andrew Ng Jackie Ng Jeffrey Sun Jacky Wong Team Contact jac ensc440 sfu ca Document Created February 8 2011 Document Revised February 15 2011 Submitted to Dr Andrew Rawicz Michael Sjoerdsma School of Engineering Science Simon Fraser University Functional Specification for Auto Secure Bindings An Automated Snowboard Binding System AUTO SECURE BINDINGS Executive Summary Snowboarding is an incredible winter sport it s fast exhilarating and thrilling but it s also physically demanding Time and energy should not be wasted on fumbling with snowboarding bindings The Auto Secure Bindings ASB provides an elegant solution and makes the most out of the snowboarding experience The ASB is an automated easy to use and efficient snowboard binding system Note that the ASB is not an add on upgrade product for existing snowboard bindings it is a standalone system Hence the ASB is comprised of two units a pair of automated snowboard bindings and a wireless remote controller The
7. 6 INNOVATIONS Functional Specification for Auto Secure Bindings An Automated Snowboard Binding System AUTO SECURE BINDINGS Wireless Control Unit Usability Requirements FR 024 2 The remote control shall possess indicator LEDs for different states FR 025 2 The user interface shall be intuitive and easy to use FR 026 3 They remote control shall communicate at a distance range of at least 2 meters Safety Requirements FR 027 3 The remote control shall communicate with encrypted communication signals Environment Requirements FR 028 3 The remote control should remain functional at 20 C Physical Requirements FR 029 2 The remote control shall provide user feedback for button depression FR 030 2 The remote control shall physically prevent sending any signal accidentally FR 031 2 The battery shall be accessible and changeable Electrical Requirements FR 032 1 The power is supplied by a single 9V battery Performance Requirements FR 033 2 The remote controller shall start up within 500 milliseconds Reliability and Durability FR 034 2 The remote controller shall withstand a fall of 2 meters Binding Unit General Requirements FR 035 2 The binding shall open automatically upon request from the remote controller FR 036 2 The bindings shall automatically tighten when the user s boot is detected on the base FR 037 2 The bindings shall tighten and loosen upon request from the remote controller
8. S Functional Specification for Auto Secure Bindings An Automated Snowboard Binding System AUTO SECURE BINDINGS System Overview The system overview of Auto Secure Bindings is given in Figure 1 Binding Unit Left Binding Right Binding Actuate Actuate Binding Binding Mechanical Mechanical System System Microcontroller Unit Figure 1 System overview of Auto Secure Bindings y u 02011 JAC Innovation Inc INNOVATIONS Functional Specification for Auto Secure Bindings An Automated Snowboard Binding System AUTO SECURE BINDINGS The ASB is a revolutionary automated snowboarding binding system which consists of two major units the binding unit and wireless control unit The two units communicate via 2 4Ghz RF which has a working range up to 120m and there will be one RF transceiver module locate on each unit as illustrated in Figure 1 The ASB allows the user to control the securing mechanism of the right and left bindings individually The binding unit consists of a MCU which interprets the signals received from the wireless controller and it controls the corresponding mechanical system to actuate the binding s The bindings are initially in the open position so that the user can easily step into the apparatus To secure the boot a sturdy metal frame closes and applies pressure to the boot There will be a total of two motors driving each binding the front bracket and the back plate The front bracket will be mounted on t
9. S secar Aa id 12 JAS 2011 JAC Innovation Inc INNOVATIONS Functional Specification for Auto Secure Bindings An Automated Snowboard Binding System AUTO SECURE BINDINGS List of Tables Table 1 Description of functional requirement priority level oooooccnncccnoooncnocnnononononnnononnnononnnonnncnnnnnnn 3 List of Figures Figure 1 System overview of Auto Secure BiNdings oococoocccnocnnononnnonnnononnnonononnnn conan cnc nn nono rnnnnr nn nnnnnnn ono Figure 2 An overview of binding unit with hinges and securing bracket ocooconncconoccccconnnononnnonnnononnnnnnnnos JAS 2011 JAC Innovation Inc INNOVATIONS Functional Specification for Auto Secure Bindings An Automated Snowboard Binding System Glossary ASB Auto Secure Binding MCU Micro Controller Unit MTTF Mean Time To Failure MSRP Manufacturer Suggested Retail Price RF Radio Frequency JAS 2011 JAC Innovation Inc INNOVATIONS AUTO SECURE BINDINGS Functional Specification for Auto Secure Bindings An Automated Snowboard Binding System AUTO SECURE BINDINGS Introduction The Auto Secure Bindings ASB is a highly sophisticated electro mechanical snowboard binding system which will greatly enhance the snowboard rider s experience and pleasure This product is a dual unit system which contains a user friendly wireless controller and a pair of motorized binding mounted ona snowboard The wireless control unit is responsible f
10. cal Requirements FR 007 2 The system shall be able to secure the boot tightly according to user s preset Environment Requirements FR 008 3 The system shall perform under extreme wet and or cold condition FR 009 3 The system shall be able to operate from zero to 5000 meters above sea level FR 010 3 The system shall be able to operate at zero to 90 percent humidity Reliability and Durability FR 011 2 The system firmware shall upgradable by a service person FR 012 2 The system shall be able to withstand constant physical duress FR 013 2 The system shall resist breakage under normal operating conditions FR 014 3 The system shall resist failure from water snow and ice FR 015 3 The MTTF shall be no less than 3 years FR 016 3 The system shall not require regular service FR 017 3 All of the device components shall have a duty cycle of at least 1 000 000 cycles Safety Requirements FR 018 2 The system should not overheat and or combust Standard FR 019 3 Adhere to ISO 14573 2002 standard for the proper snowboard binding classification 1 FR 020 3 Adhere to ISO 15344 2005 standard for Snowboard step in binding 2 FR 021 3 Adhere to ISO 10958 2001 standard for the Binding mounting area 3 FR 022 3 Adhere to Radiation Protection Bureau of Health Canada regulation 4 FR 023 3 Adhere to Canada s Safety Code 6 RF Standard communicate using RF range below 3GHz 5 xX 2011 JAC Innovation Inc
11. eeessessesauaeeesecssesesaeaeeeesessseseaaaeeeeeens 7 R liapility and D rability 0 a EAER 7 Binding Unit srs esros eiea e aa 7 General REQUITSMENES sestiere esena arke REE EAEE E RER E E anaE EEEE ERATE nE ENR EEEE 7 Mechanical Requirements ieinter aee ai a aeaa aaea oa a aeaaea RAEE Aaaa aAA RERE 8 Reliabilityand Durability en irene e e e a e sve ousted E aea taneous E E a 8 Performance Requirements sseeeessereessoeresoeeeesseoeroseoeenseenesseeresseonsopeoeesseonssseerrsseonsooeerenseonseseer esseere ree 8 JAS 2011 JAC Innovation Inc INNOVATIONS Functional Specification for Auto Secure Bindings An Automated Snowboard Binding System AUTO SECURE BINDINGS Electrical Perro MANCO ui IEA ARRE Aia 8 Safety RequIFEMENt asta td id 8 Performance Required a ad 8 LUXUNY FUNCTIONS rica acacia 8 User Documentation and Training civic duces essences deans cic dde nia dida dd dana da ta id dba 8 System Test PIIM iii AA A A lA AAA 9 Individual Component Testing cccccccccsssssssecececesseseeneseeeeecesseaaeeeeeeesesseseeaeeececssessesasaeeeesceseeseaaeaeeeeeees 9 Integration Testing seision eaer aeaa arete E eaa arenai aE aaeoa iuaccsieseeaddneteauectectanse 10 Q alitative O a E EA 10 Failure Testing vevssscccsvasccccssanscecevanscccevanccecevaucceceuwescecevaudcccevessiecesubcaccesubacecenuisedebucie cess ice couubicecenseicccessscice 10 CONCUSSION ien iee ani aeae ae e EE EO Eren REE EAEE ERE E ESEE E A EEE aiii 11 RETETENCE
12. ing the development and production process This document will serve the guideline for management to keep the project on track and on schedule The marketing team can refer to this document to develop marketing strategies and materials needed to promote the device in the market This document provides assistance to marketing to identify the advantages of the product over competitor s product and position the product in the market accordingly to increase market share percentage LINO 02011 JAC Innovation Inc 2 INNOVATIONS Functional Specification for Auto Secure Bindings An Automated Snowboard Binding System AUTO SECURE BINDINGS Functional Requirement Convention In this document the following convention shall be used to differentiate between different categories of important functional requirements FR P Functional specification description Where FR Functional Requirement Functional requirement identification number P Functional requirement priority level 1 2 3 Table 1 below specifies the description of each priority level Table 1 Description of functional requirement priority level Priority Level Description 1 Implies that the requirement applies merely to the proof of concept system 2 Implies that the requirement applies to both proof of concept system and the production system 3 Implies that the requirement applies to only the production system IN 2011 JAC Innovation Inc 3 INNOVATION
13. l Organization for Standard 2002 November ISO 14573 2002 Snowboard strap bindings for soft boots Requirements and test methods Retrieved February 9 2011 from http www iso org iso iso_catalogue catalogue_tc catalogue_detail htm csnumber 24823 2 International Organization for Standard 2005 September ISO 15344 2005 Snowboard step in bindings Requirements and test methods Retrieved February 9 2011 from http www iso org iso iso_catalogue catalogue_tc catalogue_detail htm csnumber 37520 3 International Organization for Standard 2004 November ISO 10958 2 2004 Snowboards Binding mounting area Part 2 Requirements and test methods for snowboards with inserts Retrieved February 9 2011 from http www iso org iso iso_catalogue catalogue_tc catalogue_detail htm csnumber 37795 4 Health Canada 2011 February Radiation Protection Bureau Healthy Environments and Cnsumer Safety Branch Health Canada Retrieved February 11 2011 from http www hc sc gc ca ahc asc branch dirgen hecs dgsesc sep psm rpb br eng php 5 Health Canada 2009 March Health Canada Safety Code 6 Standard_2009 Retrieved February 11 2011 from http rfsafetysolutions com PDF 20Files Health 20Canada 20Safety 20Code 206 20Standard_20 09 pdf LINO 02011 JAC Innovation Inc 1 2 INNOVATIONS
14. or transmitting a signal to the binding securing unit via RF communication The binding unit is responsible for the securing and releasing mechanism of the binding upon receiving the signal from the wireless controller Together the ASB combines the current binding styles with mechanical and electrical components to provide a fully automated snowboard binding system The detailed functional requirements for the ASB are described in this documentation Scope The objective of this document is to outline and detail the functional requirements that must be met by the ASB These documented specifications fully describe the functionalities of the proof of concept and prototype system and to some extent describe the retail version of the system in detail Possible design modifications and optional features of future implementation will also be mentioned in the document The discussion of low level implementation methods to achieve the required specifications will be out of the scope of this document Intended Audience The document is intended to act as a reference and printed transcript for various parties of JAC Innovations The functional specification ensures all designers and engineers implement decisions which conform to the intended functionalities of the device during research amp developing prototyping and optimization cycle of the production The project manager can easily refer to this document to organize the development and milestones dur
15. pair of automated snowboard bindings is an improved hybrid design from all current types of bindings Motors and specialized locking ratchet joints facilitate in tightening and holding the user s snowboarding boot in place while riding down the mountain The bindings will receive signals from the remote controller to perform its various automated functions The wireless remote controller is a small handheld device with tactile buttons The remote control will transmit commands to the snowboard bindings and the user can store the controller within their pockets when not in use The functional specifications that are covered in this document are designed and implemented for the primary prototype version of the ASB Further prototype iterations will strive to reduce size weight aesthetics and energy consumption As well additional advanced remote control functionality will be considered such as chronograph capabilities speed and altitude statistics map features and GPS tracking Since snowboarding is a high speed activity safety is a greatly prevalent factor The prototype must meet the stringent safety specifications outlined in this document Furthermore the ASB will comply with ISO 10958 ISO 14573 and ISO 22264 snowboarding equipment standards JAC Innovations pledges to only create safe efficient user friendly and indisputably innovative designs LINO 02011 JAC Innovation Inc INNOVATIONS Functional Specification for Auto Sec
16. ure Bindings An Automated Snowboard Binding System AUTO SECURE BINDINGS Table of Contents Executive SUMMA Visitadas dalla aladas i list OF Tableta a AAA AAA eee ad ai aac eet aed iv RISE OF Figures sia ia atleti iv Oia ie 1 Intro dU CON cias aan 2 AS 0 O 2 Intended AUCi AGe coccion cob vase iia ai aena eiaei aaaea aa aa nteeacdanganceestanenies Bette 2 Functional Requirement CONVENTION cceccccccccecessesensececeeeceeseuaeseceescesseaaaeseceesessseaeaeseceesesesensaaeeeeess 3 SYSTEM OVErVieW siciliana baiic 4 Entire SOM iia ito 6 General REQUIREMENTS cisco dd ad aea ae Taa EEA EEEE caeandess dees 6 Physical REQUIFE MENOS it a 6 Mechanical Requirements ccsesscccceceeeesesseaecececessesesaeseeeeecesseseaaeeeeeessuesesauaeeececsseesesasaeceeeesssesenaaeesesens 6 Environment RequireMentS ccccccccnnnnnnnnnnnnnonononononononononononnnnnnnn nono nono nn nnnnnn nono nnnnnn nono nn nono nnnnnnnnnnnnnnnnonenonnns 6 Reliability and DurabilltY ii da 6 Safety REQUIEM iii 6 Standar apta 6 Wireless Control Uninstaller 7 Usability RequirMents 220 seeds cceeeess A Seedccceveescddetcecdceneaessede leteu eden ea Eee eee ede EE oE aeaea eE e aeee EEE E 7 o o aE es ESEE 7 ENVIFONMENTREQUIFEMOENIS cinco ara dla osa a E aaae eiae dulce saia EEE 7 Physical REQUITSMENES ii eee A e ea aeaa A A A a aR 7 Electrical Requirements oarnein ei aaa 7 Performance REQUIFEMENKS ccscscccccececsssesnsaecececscseseaeaeeeeecesseeaaeee
17. wo ratchet hinges and the front motor is responsible for actuating them Similarly the back plate will be mounted onto two ratchet hinges at the rear of the binding The actuation of this component is controlled by the rear motor Figure 2 below should clarify the moving mechanism of the binding unit Backplate Boot securing bracket Back i A adjustable 4 hinges S S Front adjustable SA hinges Figure 2 An overview of binding unit with hinges and securing bracket On the other hand the wireless controller of ASB acts as the base station to manipulate the bindings The snowboard rider simply presses the corresponding button to actuate the binding The binding s MCU is able to memorize the user s previous configuration IN 2011 JAC Innovation Inc INNOVATIONS Functional Specification for Auto Secure Bindings An Automated Snowboard Binding System AUTO SECURE BINDINGS Entire System General Requirements FR 001 1 The system cost shall be under MSRP of 800 FR 002 2 The system shall secure the communication protocol from outside interference FR 003 1 The system s primary and sole mean of input shall be a set of buttons Physical Requirements FR 004 2 The system shall be water proof and shock proof FR 005 3 The system shall be compatible with different brand of soft snowboarding boots FR 006 2 The mechanical and electronic components shall be enclosed in a waterproof casing Mechani
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