toyota intregated safety systems
toyota's philosophy for a safe vehicle
Toyota is aiming to develop safe vehicles and technology based on the "Integrated Safety Management Concept."
The Japanese-based motor manufacturer, one of the world's largest, has been researching automated driving technologies since the second half of the 1990s, and has been conducting public road tests in the USA for a number of years. It has also been road-testing its next-generation Intelligent Driver-support System in Japan for more than two years.
Toyota is taking into account the fact people are living and remaining active for much longer, developing technology that will support older drivers with recognition, decision making and vehicle operation so that they can remain mobile and lead fuller lives. Toyota is also working to create more stable driving environments that will help alleviate congestion, and thus reduce economic losses and carbon emissions.
The "Integrated Safety Management Concept" pursues a higher level of safety by linking each individual safety technology system equipped on vehicles. Toyota says that it hopes to achieve a vehicle that causes no accidents by implementing safety technologies and developing automobiles that communicate with road infrastructure and surrounding vehicles.
In the "Integrated Safety Management Concept", driving circumstances are classified by the intensity of possible dangers. In other words, Toyota vehicles will assist drivers in each stage of driving (Parking, Active Safety, Pre-Crash Safety, Passive Safety and Rescue) and integrating each system.
Aiming for a Society with No Traffic Accidents
Pursuit for Vehicle Safety
To achieve its ultimate goal of "Real World Safety, or zero casualties from traffic accidents, Toyota follows the three pillars: "Humans / Cars / Traffic Environment".
The manufacturer is developing technologies based on its Integrated Safety Management Concept, announced in 2006. 'Real-world Safety' is based on its continuous efforts by learning from real collisions. Their engineers first identify issues by analyzing causal factors for injuries and collisions. Next, they replicate the collision scene with actual vehicles or driving simulator.
After developing and evaluating countermeasures, which satisfy performance objectives, they then develop effective safety technologies learning from actual accidents to continue to meet the motor industry's ever higher safety standards.
Integrated Safety Management Concept
The "Integrated Safety Management Concept" doesn't regard each of the safety systems on the car individually, but integrates them to increase safety. Toyota is working towards providing drivers with what it calls 'optimum driving support,' not solely at the points which were conventionally focused on before and after an accident, but by encompassing "all driving stages, from parking, to normal operation and the moments before and after a collision, and even avoidance at the moment of an accident.
Toyota Integrated Safety Systems include 'Active Safety' which features a Night View System with Pedestrian Detection Function and Navigation-linked Control which provides Stop Sign Information.
Rear-End Collision and Pedestrian Accident Avoidance Assist. Plus Lane Departure Prevention.
Toyota has revealed two new integrated safety systems designed to reduce the risk of pedestrian collisions and deliver safer driving in traffic, both of which will be brought to market in the next few years.
It has developed a new auto-steering function for its Pre-Collision System, which works in conjunction with automatic braking to help the driver avoid an impact, and Automated Highway Driving Assist, a system which keeps the car on an optimum driving line and a safe distance from the vehicle in front.
Both innovations advance Toyota's commitment to developing safety technologies that can help eliminate traffic fatalities and injuries.
Pre-Collision System (PCS) with Steer Assist
Just a few years ago the only course of action for a driver faced with a pedestrian in his path would be to stamp on the footbrake, wrench the steering wheel and hope for the best.
Successive advances in braking technology, such as ABS, emergency braking and brakeforce distribution have increased the chances of avoiding impact. While these have become standard features of today's mainstream cars, Toyota achieved a step-change in preventive safety with the introduction of its Pre-Collision System. This uses radar detection to spot pedestrians and other hazards, by and day by night, and initiate alerts and automatic braking to cut the risk of an accident.
Toyota has now added an extra dimension to this technology with automatic steering, a feature it believes will help prevent collisions in cases where automatic braking alone is insufficient, for example when the vehicle is moving too fast, or a pedestrian steps suddenly into its path.
PCS uses an on-board sensor to detect a pedestrian in the vehicle's path. If it determines there is a collision risk, it triggers a warning light on the dashboard, immediately in front of the driver; if the likelihood of an impact increases, it sounds an alarm to warn the driver to take avoiding action and initiates pre-collision braking force and automatic braking.
If the system detects that a collision cannot be avoided by braking alone, and there is sufficient room for avoidance, it activates steer assist to direct the vehicle away from the pedestrian.
In 2012 Toyota introduced the system with increased pre-collision braking force and automatic braking in the Lexus LS 600h, It aims to make the technology more affordable and more widely available in its model ranges by 2015, prior to bringing the PCS with Pedestrian-avoidance Steer Assist to the market.
Toyota Automated Highway Driving Assist
Toyota has developed a next-generation advanced driving support system ' Automated Highway Driving Assist (AHDA)' designed to support safer highway/motorway driving.
The system links two driving technologies to help secure safer driving and reduce the workload on the driver: Co-operative-adaptive Cruise Control, which communicates wirelessly with vehicles ahead to maintain a safe distance; and Lane Trace Control, which helps steer the vehicle on an optimal driving line within a traffic lane.
Toyota recognises that it is important for the driver to be in ultimate control of a vehicle, so its intention is to introduce AHDA and other advanced driving support systems with which the driver remains in command, and there is no compromise in driving pleasure.
How AHDA works
Co-operative Adaptive Cruise Control
Unlike standard radar cruise control which uses millimetre-wave radar to detect other vehicles, Co-operative Adaptive Cruise Control uses 700-Mhz band vehicle-to-vehicle ITS communications to acquire acceleration and deceleration data from the vehicle ahead. This allows the speed of the following vehicle to be adjusted accordingly and better maintain an appropriate distance. By reducing unnecessary acceleration and deceleration, it improves fuel efficiency and helps reduce traffic congestions.
Lane Trace Control
Lane Trace Control features brand new Toyota automated driving technologies. It uses high-performance cameras, millimetre-wave radar and control software to keep an optimum, smooth driving line within a traffic lane at all speeds, adjusting the vehicle's steering angle, driving torque and braking force when needed.
If the worst should happen for whatever reason Toyota Integrated Safety Systems will also include the HELPNET Emergency call service which will connect drivers directly to an operator who will be able to provide rescue assistance wherever an incident has taken place.