أرسل هذا في رسالة قصيرة: Safety Analysis of Helicopter Models using Hybrid Systems with Geometric Programming

           _    _     ______     ___      ______  
    ___   | || | ||  /_   _//   / _ \\   /_   _// 
   /   || | || | ||    | ||    | / \ ||    | ||   
  | [] || | \\_/ ||   _| ||    | \_/ ||   _| ||   
   \__ ||  \____//   /__//      \___//   /__//    
    -|_||   `---`    `--`       `---`    `--`     
     `-`