[go: up one dir, main page]

Campbell et al., 2022 - Google Patents

Acoustical Warning Device for Locomotive Horns

Campbell et al., 2022

View PDF
Document ID
11165620727567367507
Author
Campbell T
Parida B
Ross J
et al.
Publication year

External Links

Snippet

This report summarizes the research and development of a variable directivity Acoustic Warning Device (AWD) used as a locomotive horn. A Global Positioning System (GPS) was developed to control an arrangement of directional loudspeakers. Loudspeakers are …
Continue reading at rosap.ntl.bts.gov (PDF) (other versions)

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/0962Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0965Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages responding to signals from another vehicle, e.g. emergency vehicle
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/0962Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096766Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/09Arrangements for giving variable traffic instructions
    • G08G1/0962Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
    • G08G1/0967Systems involving transmission of highway information, e.g. weather, speed limits
    • G08G1/096708Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/16Anti-collision systems
    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/20Monitoring the location of vehicles belonging to a group, e.g. fleet of vehicles, countable or determined number of vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal
    • B61L3/02Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/08Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
    • B61L3/12Devices along the route for controlling devices on the vehicle or vehicle train, e.g. to release brake, to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88Sonar systems specially adapted for specific applications

Similar Documents

Publication Publication Date Title
US6580374B2 (en) Audible communication system
KR102717039B1 (en) System and method for external sound synthesis of a vehicle
US6087961A (en) Directional warning system for detecting emergency vehicles
US6519512B1 (en) Method and apparatus for providing enhanced vehicle detection
US9102342B2 (en) Locomotive acoustic warning system
US8998148B2 (en) Acoustical warning system
Kumar et al. Use of artificial neural networks to assess train horn noise at a railway level crossing in India
US10762777B2 (en) Navigation system with sonic analysis mechanism and method of operation thereof
US20070102591A1 (en) Focused Sound Safety Warning System
Campbell et al. Acoustical Warning Device for Locomotive Horns
Kumar et al. Railway noise pollution in urban environments: sources, effects, and control strategies
Ross et al. Feasibility of a Train Horn with Optimized Directivity: Environmental and Occupational Noise Benefit of an Ideal Train Horn
Burka et al. An application of parametric speaker technology to bus-pedestrian collision warning
Rapoza et al. Determination of a sound level for railroad horn regulatory compliance.
US1868489A (en) Signal system
Khattak et al. Highway-rail crossing safety improvements by diverting motorist to alternate routes
Rapoza et al. Locomotive Horn Detectability at Closely-Spaced Highway-Rail Grade Crossings
English et al. Locomotive horn evaluation: Effectiveness at operating speeds
Salomons et al. Traffic noise, honking and urban planning in Amsterdam in 1930
Rapoza et al. Railroad horn systems research
Toward et al. Relationship between train horn sound levels tested at 25 m and sound levels experienced at distance by track workers
Multer et al. Field evaluation of a wayside horn at a highway-railroad grade crossing
Tey et al. Evaluating cost-effective railway level crossing protection systems
Peplow et al. Exterior auralization of traffic noise within the LISTEN project
Mortimer Oh! Say, can you hear that train coming to the crossing?