Toyota’s Sudden Unintended Acceleration

University of Sharjah Electrical Computer Engineering De ploughsh atomic number 18ment PRO. SOC. ISSUES IN ENG. border Paper TOYOTAs sudden unintended acceleration Submitted to Dr. Abdul Kadir Mohammed Hamid D wholeness by Asma Al-Zaabi ID20721529 Kawther Aljasmi ID20721556 ledger entry close Toyota Toyotas phoner is a product of umpteen years of experience, breakput and high efficiency. Toyota has been one of the most successful companies on the whole over the world.Toyotas high society success in training the japans economy to be NO. 1 in Asia, be gradient that Toyota is a major multinational car manufacturer headquartered in Japan. It was built by Kiichiro Toyoda in 1937. Nowadays this factory is the first factory for cars in the world. And what crystalise Toyotas so special that it manufacture fomites with high quality and relaxation in use, beside the less costly compared with the other(a) companies, which make the use of Toyota fomites so extended.Toyota is the second largest producer of vehicles all over the world with a production of 6 trillion vehicles per year deployed in more than 160 countries, as well achieve an annual income of 108 billion dollars . Toyota produces a full range models of vehicles and employs 246, 700 staff. It is in addition one of the top ten companies in the list of Fortune spherical 500 largest trading company, There is a survey that has been published in cnnMoney. com that Toyota is one of the most impressive and appreciated company. Kiichiro Toyoda, founded the company in 1933, when he had just returned from a tour in the building blocked States, he exact the spin factory which was owned by his father to set up a track downshop for the vehicles industry. Then he produces the first models in 1935. Introduction nearly the mechanism The gunslinger is a metal eggshell that attached to the end of the gas cycle this part asserts the amount of the air that go to the vehicles engine. And the clog up bo dy consists of 4 master(prenominal)(prenominal) split which is ? the throttle plate or hardlyterfly valve ? electronic throttle control Sensor ?Engine Control Unit (ECU) Talking approximately the throttle body we have to give you an explanation about it. The main part on the throttle body is the throttle plate, which is a scarceterfly valve that controls the Intel gases. The throttle plate is communicated by a site of wire. To move the throttle plate there is an electronic throttle control that connects the throttle linkages and the accelerator pedal to a detector which take the signal to the Engine Control Unit (ECU), which calculate the angel and give the exact blank space of the plate depending on the inputs.We butt joint say that this part is controlled partially by the driver when he press on it the throttle the plate or the butterfly valves leave be opened and the angle is depending on the force you apply it the more force the largest angle and vice versa. The parado x Unintended acceleration is the main bother in Toyotas mooring. Where you suddenly feel identical your vehicles animate is increasing up without any order from you to increase, and agree to some cases what was happen that if you press on the pedals to drive by 80 km speed you notice that the vehicle is move according to great hundred km speed and that is the basic occupation here.Most of t he good deal thought that this line of work is because of two reasons. The first one that when you drive the vehicle and while you applying your force on the gas pedals it stuck and it cant be return to its normal position so this lead to our big line the unintended acceleration . The second reason that the gas pedals didnt stuck, but it take more time to return to its normal position this likewise cause the unintended acceleration that happen to the vehicle.These two reasons cause a megabucks of accidents resulting with number of deaths and injuries Toyota documented this problem by recalling 4. 2 million vehicles to replace the floor mats that might impede the pedals and what they did about this point is cut back the length of the floor mat from the top of it so the pedal can return easily without any difficulty, beside 2. 4 million to install a shim behind the electric pedals assembly to make it return to its normal position at the expected time.All the pedals that are used in Toyotas vehicles were manufactured by Canadian supplier CTS. Toyotas engineer thought that the problem is solved for these pedals that it take time to return slow down or maybe its sticking in the floor mat . The problem Contd. By doing the biggest recall ever Toyotas thought that this is the end of the problem, but unfortunately and according to the complaints of 24,000 guests received by the NHTSA (National Highway craft galosh Administration) from Toyotas vehicles users about problems in their vehicles.The cases of deaths and injuries is still recording , so Toyota has to do s omething with the system as a whole not only with the part, and the NHTSA has in the end abstaind that there was no mechanical problem It was not easy for Toyota to diagnose the real problem and it took long time to identify the bother they got confused if the issue is not about the two recalling or its about the system as whole or there is a problem about the electrical throttle concept.At the same time Mike Allen-senior automotive editor delves into modern car tech, condoneing why widespread theories about electrical throttle problems and electromagnetic interference are misguided and he was qualification his own research about electromagnetic interference from devices. And he conclude that there is electrical devices in the cars contribute to the acceleration problem like cell phones , navigators , TVs and cameras. The problem Contd. According to this simple figure we will explain how Mike Allen proved his results about the electromagnetic inference and how its relat e to our case We will start with process backward. The electronic throttle represent by the Actuators and its any part in the vehicles that take the act and the throttle is controlled by the ECU Engine Control Unit which can be compared to the CPU function in our PCs , All the process that happen in the vehicles must pass through the ECU . Lets start with the main point of the case when you press on the pedals. There is a sensor that converts your movement into an electrical signal. And when these signals interface with the external signals which are brought by the electrical devices the vehicles decease out of control.It speeds up and this is cause the sudden acceleration even out the breaks cant react in this case. We can simply ingeminate this case as the heart fill out. When you go to the hospital and you checked that everything is doing its work very well. You cant recognize that there is any problem in your body and you cant estimate when the heart attack will happen i t happens suddenly. This is so related to Toyotas case where the vehicles part are is our organs and the heart attack is the unintended acceleration. It can be also summarized by the Hackers .When you received a virus from external preference like flash memories and websites you cant blame the PCs Company because its not their fault. Also we cant blame Toyota because they cant control this wide problem. Also people notice that this problem become obvious in the snowy weather, because as we know that the vehicle slides if the pathway is wet , so imagine what would happen if the way is snowy beside that the vehicle is out of control and its speeding up , That will lead for disaster for sure Why this happen with Toyota only ? 1- Some parts are manufactured by another company, so it differ from one to another like in our case the pedals was manucfaterd by Canadian supplier. 2- The sensitivity of the system ECU is differing from car to another. 3-This problem happen with more than aut omotive company , but the media focus on Toyota only because it is one of the successful companies in US and the middle east and the other companies like General motors and traverse motor took it as chance to shine What did TOYOTA do? Toyoda apologizes in crying Toyoda tell that he wanted more than anyone else for Toyota to be safe. He said in English before they start answering questions through an congresswoman My name is on every car. , The Chairman of Toyotas Akio Toyoda apology to the American coitus and the users of company cars in the United States for a bug in the pedals speed in some categories of Toyota, which have caused barter accidents, and he conclude this investigating by saying we will double the quality . Recalling processNHTSA (National Highway Traffic Safety Administration) has received complaints from the customers who complain about the unintended acceleration of their TOYOTAs vehicles, then Toyota asked NHTSA to help them in contacting with their custome rs. Toyota has recalled more than 8 million vehicles cosmopolitan for problem related to sudden acceleration, which have been blamed for several accidents resulting in injuries and death . The automaker has repeatedly apologized for the lapses in quality control and TOYOTA technicians are working extended hours to repair the recalled vehicles, and the actual repair takes like 30 min. orks and TOYOTA will cover all costs associated with work. Educating the public On the other hand Toyota focused on educating the users of Toyota vehicles about the problem itself , what to do if the customer face such a problem , what is the procedure that should be interpreted if the driver face this while he/she is driving , and a lot of information and details posted on their website. Also the concern about contacting with all the customers who has the vehicles that has this bug. What did TOYOTA do in U. A. E.?The Ministry of Economy appointed an officer to catch up on repairs and maintenance carr ied out by the company Al-Futtaim Motors Agents of Toyota company in UAE- to address the problem that might occur in these models of cars Avalon sequoia which are more than 3200 cars during the period ranging from one month (24 February to 24 contact ) The Code of Ethics of Toyota At Toyota, safety is a priority in everything we do from the vehicles we put on the road to the people who drive them. Thats why we sponsor programs across the U.S . That encourage safety for drivers and passenger resembling Akio Toyoda According to this statement we drive the main ethical rule about our case, and Toyotas case is the only case that was taken from the positive side Obey the law. To be honest in word and deed. Respect the determine of society. Being responsible. Perform their duties in accordance with the law To have rules of fetch use of good governance and to avoid actions that could lead to conflict among the company and personal interests of society.Conclusion At the end, we can say that this problem is out of Toyotas hand, although they do all what they can do in this case and they tried to limit this case as much as they can. Its uncontrolled What would Toyota do if the guy next to you at a traffic light answered his cell phone? Or some ghost in the machine or a hacker caused a software hemipteron that made your car run away and the brakes suddenly erupt? Toyota deserves a better deal than the media and Congress are giving it.