Ultrasonic Obstacle Detection

Overview

Detection and warning system.

Ultrasonic overview.jpg

Vehicles manoeuvring in tight spaces, congested areas, or even rural areas with low hanging trees, often suffer vehicle damage because they cannot see obstacles in their blind spots. Brigade’s unique detection and warning systems can alert both the driver and pedestrian/ cyclist of potential danger. A three stage audible and optional visual warning informs the driver of the distance between the vehicle and the obstacle, minimising vehicle damage and collisions with pedestrians.

The unique and patented Dynamic Scanning Memory prevents ‘false alarms’ from tow-hooks, bodywork and other ancillary equipment that may be fitted to the vehicle.

Brigade has a range of ultrasonic sensor systems including Sidescan and Backscan. Front, corner and Stepscan options coming soon!

Backscan

Backscan

Backscan.jpgBackscan is especially useful for vehicles which have to manoeuvre or park in tight spaces such as multiple drop collection and delivery vehicles. For vehicles working in rural areas that have problems with overhanging trees, upper sensors can be fitted, to avoid vehicle damage. As soon as reverse gear is engaged Backscan starts scanning to the rear of the sensors and a three stage audible warning is given to the driver.
 
Backscan minimises damage and gives greater protection to people and objects behind the vehicle, whether moving or stationary and can create favourable effects on insurance premiums.

Sidescan

Side detection and Warning System.

 

Sidescan is a dual function system that alerts both the driver and any cyclist/pedestrian to the potential danger of the turning vehicle. When the near side turn indicator is activated the sensors fitted along the side of the truck will detect any person or object and alert the driver both audibly and visually on a display/buzzer mounted in the cab.

 

Sidescan.jpg At the same time a speaking alarm fitted to the underside of the truck will alert the cyclist or pedestrian with a warning message. An optional programmable speed trigger can also be fitted that will only activate the system below a certain speed so that it does not operate when indicating to change lanes on a motorway, for example. Sidescan is especially useful at traffic lights, junctions and roundabouts in towns and cities where cyclists tend to ‘creep up’ the nearside of a waiting truck, totally unseen by the truck driver.

 
 

Case Studies

Brigade and BAA

The company

BAA is the world’s leading airport company with 7 airports in the UK as well as a number of international airports. BAA deals with the running of all areas of airport life including security and retail.

With approximately 1,700 flights taking off from UK airports everyday, the volume of passengers, staff and traffic is phenomenal.

The situation

BAA has a large fleet of electric vehicles used to transport passengers, luggage and manoeuvre trolleys around the airport. The nature of the vehicles means that they move around pedestrian areas and could potentially collide with an object or person. To prevent this threat, tonal reversing alarms were previously fitted to electric vehicles. In the noisy environment of the airport, with various tannoy announcements, voices and general hustle & bustle, the beeping of a reversing vehicle was becoming lost in the background noise. It was also difficult to establish which vehicle was moving and in which direction.

BAA were also receiving complaints from staff that were having trouble hearing customers over the blaring constant tone alarms and drivers were becoming frustrated with the annoying shrill beeping.

The solution

The bbs-tek® alarms pioneered by and unique to Brigade Electronics, are a safer and more effective alternative to the irritating, shrill of a traditional tonal reversing vehicle alarm. The complex, broad band frequency of a bbs-tek alarm emits a “ssh ssh” sound, which can only be heard in the danger zone and dissipates rapidly. This concentrated sound, or ‘white noise’, is both directional and easily located, making it safer for pedestrians to move to safety, unlike traditional alarms that can cause confusion as to which vehicle is reversing and in which direction. This is especially important in a busy airport environment where people are trying to concentrate on announcements and looking at screens for flight information, rather than looking for moving vehicles. The directional aspect of bbs-tek alarms are also invaluable for blind and hard of hearing people, who are able to locate the danger much easier than traditional alarms.

Products fitted

After trialling Brigade’s broad band sound reversing alarms at Stansted Airport, BAA decided to fit the technology to all electric vehicles in Heathrow Airport’s Terminal Four.

BAA’s trolley trailers at Heathrow’s Terminal Four have now been fitted with BBS-97, ideal for medium duty vehicles and combie’s will be fitted with BBS-92, with a slightly reduced decibel rating for lower ambient noise level situations. The Electric vehicles will operate with front (BBS-87) and rear (BBS-82) white sound movement alarms.

Feedback

Feedback from staff at BAA has been positive especially from members of the information desk who find it easier to hear what passengers are saying above the noise from moving vehicles.

 
  1. Brigade’s unique detection and warning systems can alert both the driver and pedestrian/ cyclist of potential danger.

Ultrasonic Sensor

Ultrasonic Proximity Sensors

Sensor systems for road going commercial vehicles regularly operating in confined spaces or manoeuvring at low speeds. Ultrasonic Proximity Sensors are the best sensors to help commercial vehicles operate in these confined spaces, making the task at hand, that much easier.