The aim of this research is to study the varieties of weight density distribution affect to the center of mass and vehicle stability. The weight density distribution tester was designed and changed the position of mass. Base on the center of mass is main points of vehicle stability. On the other hand FMCSA standard was applied to field test for considering of the brake performance and vehicle stability. The results of research discovered to the mass distribution on longitudinal plane are affected to the center of mass and absolutely influence at the right wheel on the front axle. In term of the braking performance it’s depends on the lateral mass distribution especially the center position of mass installed on longitudinal and horizontal plane and close up on the front axle (Y2). For the vehicle stability results the position (Y2) is the highest influence for yaw rate and sideslip. Otherwise the position (Y3) or the position of mass installed on longitudinal plane and nearly at the left wheel on the rear axle. Additionally wheel lock-up condition was appeared on the front axle only. Because the behavior of weight distribution on the front axle was decreased lead to mass distribution on longitudinal plane.

The aim of this research is to study the brake proportional affected to vehicle stability. Braking performance and vehicle stability testing are the main of research purposes. Otherwise learning research center and new researcher in automotive engineering are the minor research objectives. The results of research discovered to the braking performance depend on driver behavior. By the minimum deceleration was appeared on the non-proportion in front axle with braking ratio 0:100. In term of vehicle stabilities yaw and pitch moment are normally occur by the driving behavior. But the sideslip is an absolutely effect to vehicle handling. With the braking ratio 100:0 there is the highest risk for controlling a vehicle cause of the wheels were locked-up condition in the rear axle. Therefore the value of the sideslip was exceeded with the criteria. Furthermore these project researches were got the learning research center and the new researcher in automotive engineering field.

Video File Online Managing System Project is developing for improve management of video file in internal database. This system would be comfortable and reachable for all users of Faculty of Science and Technology. The system could be reachable sequence and input comments to video file. File Storage system has been developed on web application by PHP scripting language MySQL and FFMpeg for adjustment file. Video File Online Managing System could beachieve target of project

Photo Online Management System. The System was developed to facilitate the management of photo within The Faculty of Science and Technology Rajamangala University of Technology Phra Nakhon. Such as photo uploading and downloading. This system is developed by using PHP AJAX CSS and jQuery including MySQL Data Base Management System. Development system by Web applications. To help Resource management a photo and to share the photo with anyone who wishes. By admin as administrator. The system integrity test. Test results was correspond to all defined scopes and the system performance. Test results can upload photo.