GB2407399A - Control system - Google Patents

Control system Download PDF

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Publication number
GB2407399A
GB2407399A GB0503431A GB0503431A GB2407399A GB 2407399 A GB2407399 A GB 2407399A GB 0503431 A GB0503431 A GB 0503431A GB 0503431 A GB0503431 A GB 0503431A GB 2407399 A GB2407399 A GB 2407399A
Authority
GB
United Kingdom
Prior art keywords
load
control system
microprocessor
drive
output
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
GB0503431A
Other versions
GB2407399B (en
GB0503431D0 (en
Inventor
Peter John Miller
Andrew Charles Osborne Smith
Michael John Lindsey
Robert John Barnes
David John Allen
Graham Ludar-Smith
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.)
Ricardo UK Ltd
Original Assignee
Ricardo UK Ltd
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 Ricardo UK Ltd filed Critical Ricardo UK Ltd
Publication of GB0503431D0 publication Critical patent/GB0503431D0/en
Publication of GB2407399A publication Critical patent/GB2407399A/en
Application granted granted Critical
Publication of GB2407399B publication Critical patent/GB2407399B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/0195—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the regulation being combined with other vehicle control systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B60G17/018—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the use of a specific signal treatment or control method
    • B60G17/0185—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the use of a specific signal treatment or control method for failure detection
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
    • G05B19/4062—Monitoring servoloop, e.g. overload of servomotor, loss of feedback or reference
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B9/00—Safety arrangements
    • G05B9/02—Safety arrangements electric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/02—Retarders, delaying means, dead zones, threshold values, cut-off frequency, timer interruption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/04—Means for informing, instructing or displaying
    • B60G2600/042—Monitoring means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/08—Failure or malfunction detecting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/08—Failure or malfunction detecting means
    • B60G2600/082—Sensor drift
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/70—Computer memory; Data storage, e.g. maps for adaptive control
    • B60G2600/702—Parallel processing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/80—Detection or control after a system or component failure
    • B60G2800/802—Diagnostics
    • 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
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W2050/0001—Details of the control system
    • B60W2050/0002—Automatic control, details of type of controller or control system architecture
    • B60W2050/0004—In digital systems, e.g. discrete-time systems involving sampling
    • B60W2050/0005—Processor details or data handling, e.g. memory registers or chip architecture
    • 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
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
    • B60W50/029—Adapting to failures or work around with other constraints, e.g. circumvention by avoiding use of failed parts
    • B60W2050/0292—Fail-safe or redundant systems, e.g. limp-home or backup systems
    • 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
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/02—Clutches
    • 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
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/10—Change speed gearings
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/37—Measurements
    • G05B2219/37632—By measuring current, load of motor
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/50—Machine tool, machine tool null till machine tool work handling
    • G05B2219/50198—Emergency stop

Abstract

A control system for a load (10), the system comprising a first microprocessor (16) having an output to drive one side of a load (10), a second microprocessor (18) having an output to drive the other side of the load (10), the system being arranged so that when either microprocessor detects a fault in the control of the load (10) the load (10) is switched off.

Description

GB 2407399 A continuation (72) cont Robert John Barnes David John Allen
Graham Ludar-Smith (74) Agent and/or Address for Service: Kilburn & Strode Red Lion Street, LONDON, WC1R 4PJ, United Kingdom
GB0503431A 2002-07-18 2003-07-18 Control system Expired - Fee Related GB2407399B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0216740.1A GB0216740D0 (en) 2002-07-18 2002-07-18 Self-testing watch dog system
PCT/GB2003/003102 WO2004010235A2 (en) 2002-07-18 2003-07-18 Control system

Publications (3)

Publication Number Publication Date
GB0503431D0 GB0503431D0 (en) 2005-03-30
GB2407399A true GB2407399A (en) 2005-04-27
GB2407399B GB2407399B (en) 2006-07-12

Family

ID=9940730

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0216740.1A Ceased GB0216740D0 (en) 2002-07-18 2002-07-18 Self-testing watch dog system
GB0503431A Expired - Fee Related GB2407399B (en) 2002-07-18 2003-07-18 Control system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0216740.1A Ceased GB0216740D0 (en) 2002-07-18 2002-07-18 Self-testing watch dog system

Country Status (5)

Country Link
US (1) US7392098B2 (en)
AU (1) AU2003244873A1 (en)
DE (1) DE10392923T5 (en)
GB (2) GB0216740D0 (en)
WO (1) WO2004010235A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9050981B2 (en) * 2012-10-18 2015-06-09 GM Global Technology Operations LLC System and method for providing fault mitigation for vehicle systems having high and low side drivers
US10527661B2 (en) * 2018-02-07 2020-01-07 Rockwell Automation Technologies, Inc. Calculating a load resistance

Citations (6)

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Publication number Priority date Publication date Assignee Title
US4709341A (en) * 1983-11-14 1987-11-24 Nissan Motor Company, Limited Self-monitoring system for detecting error at output port during cold start of microprocessor system
DE19813389A1 (en) * 1997-03-27 1998-10-08 Elan Schaltelemente Gmbh Safety control circuit e.g. for electrical relay
US6201997B1 (en) * 1995-08-10 2001-03-13 Itt Manufacturing Enterprises, Inc. Microprocessor system for safety-critical control systems
EP1102378A2 (en) * 1999-11-19 2001-05-23 H.-J. Bernstein GmbH Safety circuit
US20020027757A1 (en) * 2000-01-20 2002-03-07 Eiichi Sudou Programmable controller
EP1193576A2 (en) * 1992-03-31 2002-04-03 The Dow Chemical Company Process control interface system having triply redundant remote field units

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US4558416A (en) * 1983-05-27 1985-12-10 Allied Corporation Method for maintaining the integrity of a dual microprocessor multiprocessing computing system
US4556943A (en) * 1983-05-27 1985-12-03 Allied Corporation Multiprocessing microprocessor based engine control system for an internal combustion engine
US4556955A (en) * 1983-05-27 1985-12-03 Allied Corporation Single crystal dual microprocessor computing system
US4601051A (en) * 1983-12-22 1986-07-15 General Electric Company Protective circuit for X-ray generator
US4850027A (en) * 1985-07-26 1989-07-18 International Business Machines Corporation Configurable parallel pipeline image processing system
US5020135A (en) * 1987-03-27 1991-05-28 Teletec Corporation Computerized multistandard, field-convertible, multiregional/multiservice, remote controllable, remote programmable mobile two-way radio system with digital serial bus link, built-in programmer and autodiagnostics
US4965879A (en) * 1988-10-13 1990-10-23 United Technologies Corporation X-wing fly-by-wire vehicle management system
JP2694993B2 (en) * 1989-02-22 1997-12-24 株式会社日立製作所 Power signal processing system and digital protection relay device
US5203387A (en) * 1989-11-06 1993-04-20 Dunn Edwards Corp. & Fluid Management Ltd. Part. Process and apparatus for dispensing liquid colorants into a paint can, and quality control therefor
WO1992004665A1 (en) * 1990-09-04 1992-03-19 Fellows Corporation Control graphics system for gear shaping machines
US5264761A (en) * 1991-09-12 1993-11-23 Beacon Light Products, Inc. Programmed control module for inductive coupling to a wall switch
JPH06276570A (en) * 1993-03-17 1994-09-30 Honda Motor Co Ltd Control system for vehicle
US5786996A (en) * 1996-06-28 1998-07-28 Eaton Corporation Appliance control circuit comprising dual microprocessors for enhanced control operation and agency safety redundancy and software application method thereof
US6291905B1 (en) * 1997-01-09 2001-09-18 Donnelly Mirrors Limited Vehicle rearview mirror and a vehicle control system incorporating such mirror
DE19811065A1 (en) * 1997-03-13 1998-11-05 Digital Appliance Controls Inc Processor based control system for use with electrical equipment such as cookers, microwave ovens
US5984504A (en) * 1997-06-11 1999-11-16 Westinghouse Electric Company Llc Safety or protection system employing reflective memory and/or diverse processors and communications
JP3893679B2 (en) * 1997-08-07 2007-03-14 日産自動車株式会社 Brake control device for vehicle
US6324484B1 (en) * 1999-01-22 2001-11-27 Hughes Electronics Corporation Self-testable spacecraft for self-testing analog functions
US6529796B1 (en) * 1999-07-21 2003-03-04 Caco Pacific Corporation Closed loop interactive controller
US6885920B2 (en) * 1999-07-30 2005-04-26 Oshkosh Truck Corporation Control system and method for electric vehicle
US6421593B1 (en) * 1999-07-30 2002-07-16 Pierce Manufacturing Inc. Military vehicle having cooperative control network with distributed I/O interfacing
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Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4709341A (en) * 1983-11-14 1987-11-24 Nissan Motor Company, Limited Self-monitoring system for detecting error at output port during cold start of microprocessor system
EP1193576A2 (en) * 1992-03-31 2002-04-03 The Dow Chemical Company Process control interface system having triply redundant remote field units
US6201997B1 (en) * 1995-08-10 2001-03-13 Itt Manufacturing Enterprises, Inc. Microprocessor system for safety-critical control systems
DE19813389A1 (en) * 1997-03-27 1998-10-08 Elan Schaltelemente Gmbh Safety control circuit e.g. for electrical relay
EP1102378A2 (en) * 1999-11-19 2001-05-23 H.-J. Bernstein GmbH Safety circuit
US20020027757A1 (en) * 2000-01-20 2002-03-07 Eiichi Sudou Programmable controller

Also Published As

Publication number Publication date
WO2004010235A2 (en) 2004-01-29
GB0216740D0 (en) 2002-08-28
AU2003244873A8 (en) 2004-02-09
GB2407399B (en) 2006-07-12
US20060122713A1 (en) 2006-06-08
AU2003244873A1 (en) 2004-02-09
GB0503431D0 (en) 2005-03-30
US7392098B2 (en) 2008-06-24
DE10392923T5 (en) 2005-08-18
WO2004010235A3 (en) 2004-11-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20130718