SYS-001 The system shall be capable of detecting any obstacles in the road notably during winter when the visibility is poor and send a warning signal to driver. Justification: The obstacles detecting sensor and lane changing sensor shall be incorporated on the same system there by enabling compact design of collision detecting system. SYS-002 The system shall able capable of detecting a vehicle travelling with high beams at a distance of 170 feet and send a warning signal on the control panel of vehicle. Justification: 170 feet is the maximum stopping distance of vehicle cruising at a speed of 40mph without colliding or the driver may change lane avoiding the path of vehicle …show more content…
Mission requirement
SYS-004 The system shall be capable to change its sensitivity depending on the situation Justification: This requirement reduces the user’s burden of selecting the sensitivity of the system and the correct use of the system
SYS-005 The system shall warn the driver if he is travelling over the permitted speed or take control of vehicle by servomechanism. Justification: In UK the speed limits in area with school is 20mph. hence the system warns the driver to slow down if he speeds over 20 mph thereby preventing mishaps.
SYS-006 The system shall detect the drowsiness level of driver by facial expression and warn the driver to take a break from driving.
Justification: The slight error in movement of steering wheels will be indicated with an audio signal
Product Assurance requirement
Interface
I will also need to know if you need Seat Belt kits This is the sensor to identify if the driver is buckled in.
More than 20 km per hour but not more than 30km per hour over the speed limit:
Included in the helpful driver alerts are Forward Collision Warnings, which give alerts to users when they are driving closely to the vehicle ahead. Moreover, drivers have the advantage of knowing where speed cameras or red light are placed with the speed camera and red light warning alert. These driver alerts are only available on the Dash Cam 35 model.
Rubbernecking has been an issue in the world since automobiles were invented. “This common behavior not only leads to traffic tie-ups, it may cause up to 10% of accidents that occur in the opposite direction on the highway”(Solomon). Why do we want to know so badly? Assistant editor Sarah Grey quotes Michael Stevens in her article on the science of rubbernecking. He says, “We often find uncertainty more unpleasant than unpleasant certainty.”
In this article, Peters and Peters discuses about the risk of multitasking while driving. Not only they propose a problem, but also tries to give the reader an alternative ways of preventing the cause of an accident. He gives us three-risk factors that can reduce the chances of getting into an accident. They suggest having a printed and audible warning to warn the drivers not to use the device unless the vehicle is not moving, an integrated system “which all device are either shut off or out of driver’s sight when the vehicle is in motion” and finally, “ marketing and dealer restraint”. If these warnings are available in the vehicle, there should be a less chance to be distracted and cause an accident and also, this can be useful thing to create in the vehicle to remind the driver not to multitask while
It will also be helpful to modify the traffic lights to make them more visible. Upgraded speed cameras will control most people that speed by taking a picture of their license plate and vehicle and giving them a moving violation ticket. Control officers will catch any drivers who are not following traffic laws and will give them a ticket as well. Safety programs in vehicles will help people to do things more safely such as making a call or sending a message. An all-red clearance light will cause all the lights on the intersection to stay red for at least five seconds to ensure that vehicles on all sides are stopped. Making the traffic lights in Surprise more visible whether it be making the lights larger, or switching out the bulbs with stronger, more opaque lights, will also help reduce the number of traffic accidents. The cost for the speed cameras, control officers, dynamic message boards, and implementing an all-red clearance interval have been calculated, however the cost of safety programs in vehicles and modifying current traffic lights are to be determined.
We all go over the speed limit sometimes. It’s unintentional in some cases but going way over is where the danger comes into play. About 30% of people die of speeding in a car each year. Wouldn’t it be great if we had something to help us stop and notify us that we are going either too fast or too slow? Well I might
Drivers who are aware of the abusive cameras are constantly caught up trying to avoid getting an outrageous ticket; therefore, in attempt to avoid them, drivers are unexpectedly and furiously coming to abrupt stops. In result of the urgent and sudden stop of driver A (the first one to cross the intersection), braking quickly doesn’t give driver B neither enough time or physical room to move out of the way, consequently resulting in a rear-end collision, sometimes involving more than just two drivers. The driver’s panic to evade the ticket ends up caught up in the misfortunes of an even sadder circumstance. Leading reasons for this is thanks to the intentional decrease of yellow-light length times. Studies have shown that since the installment of the cameras there has been intentional scheming to cut the period of yellow light to catch as many victims as possible. It has been verified that increasing yellow-lights to at least one second more would decrease the number of accidents by over 45%. (Maass). An extra reason for which there is
Geofencing data notifies managers when a vehicle has been taken outside a predefined area. Drivers realize that their behavior is being scrutinized when GPS systems are in effect. This knowledge alone, can spur positive changes in driver behavior such as following the speed limit, wearing a seatbelt, or reducing vehicle idling time.
As the use of cars continues to increase, consequently, collisions and traffic do as well. These pressures felt on one another while operating a vehicle is no added benefit as well as the immense fear of an accident. Serving as a necessary and proper instrument of use the turn signal is crucial to modern day driving yet underutilized. Alerting surrounding drivers in upcoming changes to your vehicle's motion lead to safer road conditions for all.
Normally refered to as a noteworthy diversion to drivers, cell phones are likewise being enrolled to make ready frameworks. One of the soonest and most broad driver help applications was iOnRoad, now possessed by Harman International. Utilizing a cell phone's worked as a part of camera, the application screens the auto's velocity and separation from the vehicle ahead, sounding a noisy caution if the separation contracts too rapidly or the driver neglects to brake adequately.
The Auto i is a 360 dash cam security system that connects users to their vehicles. The small device is installed beside your rearview mirror and will alert the vehicle owner if the car is involved in an accident or broken into, sending the 15 seconds of footage prior to
The article describes three formats of in-vehicle feedback; visual, haptic, and audio. Each of the three formats to be broke down into various systems and functions. Very similar to a database containing tables, rows, and attributes. In the visual table, there are four rows one of which is the dashboard. The dashboard contains several aids including gauges, on-board diagnostics, GPS, and lamps. The haptic table contains the break/ throttle row, were pedal pulsation will notify the operator of activated antilock-brakes or traction control. Jensen
During the past years there were a lot of safety systems have been proposed for commercial and industrial vehicles for collecting information from the vehicle to model the system dynamic response and prevent the occurring of dangerous working conditions. The secondary device connected to the main device will be monitored continuously using MEMS sensor to identify the dangerous working condition of the system, which can occur when the pitch angle becomes very large that causes jackknifing, which drives the machinery close to its brake/acceleration limit. When roll angle becomes very large, the system may get side slip. When the pitch angle gets large the system may get roll up. To detect these occurrence of situations, the detection system has to measure and track the roll, φT, pitch, θT, and yaw, ψT, angles of the main system with the roll, φB, pitch, θB, and yaw, ψB, angles of the secondary system to stabilize the load depending on the x-axis values in the mems sensor. Thus the yaw, ψR, angle is the relative measure of both the main and secondary system to avoid jackknifing of the system. Further these angles are measured by using MEMS sensor that is
Auto Enforcement System (AES) is a tracking system that automatically detects traffic offenses using sensors and imaging system that captures photo and video images of traffic violations. It was a system that created by human. The main function of this system is to monitor the traffic in “black spot” areas which accident always occurs. For example, AES camera can cover offense such as speeding that beyond the speed limit. Speed limits are commonly set by the authority to set the maximum speed at certain road.