April 23, 2009
Crown King” advanced anti-collision safety system
Recently listed the “Crown King (CrownMajesta)” has developed a ramp in front of the vehicle detection, “pre-security side collision prevention system” (hereinafter referred to as pre-lateral system). Actually also be equipped with the system is equipped with a “LEXUSLS460″ developed for the detection of the front and rear of the system (Figure 3). “Crown King” by being near Toyota aim to establish the full range of detection.
Before the lateral system is set up through the inside of the former bumper implementation of two millimeter-wave radar. Even if the system detects obstacles in the post-implementation will not automatically brake, but issued a warning, or increase the power, tighten seat belts and airbags ready to open, transfer the hardware to control the hoisting of the braking force attenuation points. The purpose is to prevent the head-on collision at a crossroads, as well as the vehicle crossed the center line of traffic, such as a result of the collision.
Toyota Motor LS460 at Fujitsu Ten to use on the output implementation of millimeter-wave radar to notice vehicles in the back “safety back collision avoidance system” (hereinafter mentioned to as the back system). Before the king’s edge of the millimeter-wave radar scheme is furthermore a Fujitsu Ten merchandise, but the back millimeter signal radar scheme “section of the circuit to do the change” (Toyota Motor). Detect expanse will be expanded from 30m to 50m, detection bend 15 qualifications from the amplified to 20 degrees. Millimeter signal band radar for the 76GHz, yield power of 10mW.
Detect distance will be extended to 50m of the reasons is: “by driving their own vehicles at the speed of 60km / h, the speed of the vehicles for the 60km / h, this distance is to respond to prevent the collision of the required” ( Toyota Motor).
Fully all the features necessary to prevent collisions 1,040,000.
In addition, the LS460 is basically copied on the overall implementation of the “in front of the security system to prevent collisions,” (hereinafter referred to as the front system). The system is installed through the production of electricity is about 120m away from the testing of the implementation of millimeter-wave radar. In order to detect pedestrians, but also the use of cameras at the same time the use of three-dimensional way.
At the King include the former system and the front side of the system, “the prevention of collision safety system” that automatically track the vehicle in front of the “cruise control” and “auxiliary lane to maintain function” (such as on the power control system to ensure that inside lane at traffic) of the brake control function, through an electronic control unit (ECU) of the implementation. ECU for the electric equipment products, the main micro-controller to use Renesas Technology’s 32bit “M32R series.” However, the use of millimeter-wave radar and stereo cameras to detect obstacles, as well as operations such as distance from other ECU job finish.
Prices, just in front of millimeter-wave radar scheme for the implementation of 126,000, founded on this scheme and the use of added back stereo camera scheme for the front of 598,500, an added pre-lateral scheme for the 829,500, if added “back chairs to avert a collision,” the total of 1,039,500.
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