CA2296805A1 - Safety limiter for powered vehicles - Google Patents

Safety limiter for powered vehicles Download PDF

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Publication number
CA2296805A1
CA2296805A1 CA002296805A CA2296805A CA2296805A1 CA 2296805 A1 CA2296805 A1 CA 2296805A1 CA 002296805 A CA002296805 A CA 002296805A CA 2296805 A CA2296805 A CA 2296805A CA 2296805 A1 CA2296805 A1 CA 2296805A1
Authority
CA
Canada
Prior art keywords
vehicle
control unit
tachometer
speed
vehicle control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002296805A
Other languages
French (fr)
Other versions
CA2296805C (en
Inventor
Darin Silvernagle
Don Lafont
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CGG Holding US Inc
Original Assignee
Veritas DGC Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Veritas DGC Inc filed Critical Veritas DGC Inc
Publication of CA2296805A1 publication Critical patent/CA2296805A1/en
Application granted granted Critical
Publication of CA2296805C publication Critical patent/CA2296805C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P5/00—Advancing or retarding ignition; Control therefor
    • F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
    • F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
    • F02P5/15—Digital data processing
    • F02P5/1502—Digital data processing using one central computing unit
    • F02P5/1504—Digital data processing using one central computing unit with particular means during a transient phase, e.g. acceleration, deceleration, gear change
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
    • B60K31/02—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including electrically actuated servomechanism including an electric control system or a servomechanism in which the vehicle velocity affecting element is actuated electrically
    • B60K31/04—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including electrically actuated servomechanism including an electric control system or a servomechanism in which the vehicle velocity affecting element is actuated electrically and means for comparing one electrical quantity, e.g. voltage, pulse, waveform, flux, or the like, with another quantity of a like kind, which comparison means is involved in the development of an electrical signal which is fed into the controlling means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/14—Adaptive cruise control
    • B60W30/143—Speed control
    • B60W30/146—Speed limiting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P9/00—Electric spark ignition control, not otherwise provided for
    • F02P9/002—Control of spark intensity, intensifying, lengthening, suppression
    • F02P9/005—Control of spark intensity, intensifying, lengthening, suppression by weakening or suppression of sparks to limit the engine speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/10—Road Vehicles
    • B60Y2200/12—Motorcycles, Trikes; Quads; Scooters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/50—Input parameters for engine control said parameters being related to the vehicle or its components
    • F02D2200/501—Vehicle speed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Abstract

A vehicle control unit is disclosed which can be coupled between a tachometer sensor and an electronic ignition system on a vehicle. The unit is also coupled to a speedometer sensor to measure the vehicle's speed. The vehicle control unit limits the vehicle speed by modifying the tachometer signal from the tachometer sensor and providing the modified tachometer signal to the ignition system. The tachometer signal is a pulse train which is used by the electronic ignition system to determine ignition timing. The vehicle control unit limits both ground speed and engine speed by suppressing pulses from the original tachometer signal to prevent the combustion of fuel and thereby reduce engine power when the ground or engine speeds exceed predetermined limits. The vehicle control unit is microcontroller-based and preferably includes a logging function and an acceleration sensor. The microcontroller is coupled to the acceleration sensor to detect the peak accelerations experienced by the vehicle. The microcontroller stores peak accelerations above a predetermined limit, along with excessive ground and engine speeds, as part of a fault record a nonvolatile memory. The records can be examined by management personnel to identify reckless vehicle operators. Corrective action can then be taken to protect personnel and equipment. A handheld programming unit is also disclosed herein for programming the predetermined limits and for retrieving fault records. The programming unit can display and summarize fault records, and can be used to transport the fault information to a central computer system for archiving and more extensive analysis.
CA002296805A 1999-01-26 2000-01-24 Safety limiter for powered vehicles Expired - Fee Related CA2296805C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/237,319 US6253143B1 (en) 1999-01-26 1999-01-26 Safety limiter for powered vehicles
US09/237,319 1999-01-26

Publications (2)

Publication Number Publication Date
CA2296805A1 true CA2296805A1 (en) 2000-07-26
CA2296805C CA2296805C (en) 2008-04-01

Family

ID=22893238

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002296805A Expired - Fee Related CA2296805C (en) 1999-01-26 2000-01-24 Safety limiter for powered vehicles

Country Status (2)

Country Link
US (1) US6253143B1 (en)
CA (1) CA2296805C (en)

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US6538411B1 (en) * 2000-10-13 2003-03-25 Deka Products Limited Partnership Deceleration control of a personal transporter
US7042347B2 (en) * 2001-06-19 2006-05-09 Cherouny Peter H Electronic programmable speed limiter
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US20040090224A1 (en) * 2002-11-13 2004-05-13 Autotronic Controls Corporation Ignition system tachometer driver
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US6871132B2 (en) * 2003-04-04 2005-03-22 Vertias Dgc Inc. Engine limiter for powered vehicles
US7509205B2 (en) * 2003-11-07 2009-03-24 Club Car, Inc. Speed control system for a vehicle
US7472008B2 (en) * 2004-07-23 2008-12-30 Caterpillar Inc. Systems and methods for controlling mobile machine power
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US7979179B2 (en) * 2006-08-11 2011-07-12 Segway Inc. Apparatus and method for pitch state estimation for a vehicle
AU2007286080A1 (en) 2006-08-11 2008-02-21 Segway Inc. Speed limiting in electric vehicles
US20080251307A1 (en) * 2007-04-13 2008-10-16 Textron Inc. Speed Limiting for a Light-Weight Utility Vehicle
US20090055033A1 (en) * 2007-08-23 2009-02-26 Segway Inc. Apparatus and methods for fault detection at vehicle startup
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US9663028B2 (en) 2010-05-27 2017-05-30 Frederick Hayle Parkes Method and system for rendering content on the exterior of a vehicle
US11568772B2 (en) 2010-05-27 2023-01-31 Neville Boston Method and system for rendering content on the exterior of a vehicle
US9007193B2 (en) 2010-05-27 2015-04-14 Revivermx, Inc. Method and system for rendering content on the exterior of a vehicle
FR2964074B1 (en) * 2010-08-27 2012-08-17 Peugeot Citroen Automobiles Sa METHOD FOR CONTROLLING THE OPERATION OF A VEHICLE
US8554437B2 (en) * 2011-02-23 2013-10-08 Textron Inc. Electronic passcode key for varying operational parameters of a vehicle
US10661727B2 (en) 2017-01-05 2020-05-26 Revivermx, Inc. Thermal control system for a digital license plate
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Also Published As

Publication number Publication date
CA2296805C (en) 2008-04-01
US6253143B1 (en) 2001-06-26

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Effective date: 20170124