This paper describes the experiment for learning and investigation of the helicopter laboratory model static and dynamic characteristics. Helicopter model is not the free flying one, as it has the two degrees of freedom – up / down movement and rotation with respect to vertical axis of the main propeller. The two basic different kinds of experiments with the helicopter model are possible. In th...

This paper presents a control system design method for an autonomous helicopter using the Particle Swarm Optimization (PSO) method. In this paper, the nonlinear dynamic model of a miniature helicopter is directly used to design a control system without linearization process. The nonlinear dynamics of model helicopter is represented by sixteen state variables including flapping dynamics, engine ...

Soldier-portable UAVs enhance combat situational awareness by providing an over-thehorizon surveillance platform. This advantage can be multiplied by using multiple microhelicopters (< 20 g, < 20 cm) that operate cooperatively to obtain synoptic vantage points. Cooperative control of multiple helicopters using theoretically justified control laws requires a mathematical model of micro-helicopte...

In this present work, the development of an avionics system for flight data collection of a Raptor 30 V2 is carried out. For the data acquisition both onground and onboard avionics systems are developed for testing of a small-scale Unmanned Aerial Vehicle (UAV) helicopter. The onboard avionics record the helicopter state outputs namely accelerations, angular rates and Euler angles, in real time...

We present a vision-based algorithm designed to enable an autonomous helicopter to land on a moving target. The helicopter is required to identify a target, track it, and land on it while the target is in motion. We use Hu’s moments of inertia for precise target recognition and a Kalman filter for target tracking. Based on the output of the tracker a simple trajectory controller is implemented ...

Helicopters have highly stochastic, nonlinear, dynamics, and autonomous helicopter flight is widely regarded to be a challenging control problem. As helicopters are highly unstable at low speeds, it is particularly difficult to design controllers for low speed aerobatic maneuvers. In this paper, we describe a successful application of reinforcement learning to designing a controller for sustain...

In case of engine failure, skilled pilots can save a helicopter from crashing by executing an emergency procedure known as autorotation. In autorotation, rather than relying on the engine to drive the main rotor, the pilot has to control the helicopter such that potential energy from altitude is transferred to rotor speed. In fact, maintaining a sufficiently high rotor speed is critical to reta...

The next generation of rotorcraft will have to satisfy the appropriate handling qualities requirements before entering service. Many of these vehicles will operate at significantly greater speeds than the conventional helicopter and will therefore have different capabilities than current helicopters. Due to the different capabilities of the compound helicopter, it is possible that new Mission T...

OBJECTIVE to determine whether the use of a helicopter ambulance unit enabled an ambulance service to deliver acutely traumatized patients to hospital more quickly. DESIGN retrospectively collected ambulance service and hospital records data analysed longitudinally. SETTINGS The ambulance service and the major casualty department in Cornwall. INTERVENTION the provision of a helicopter amb...

In this paper modelling and identification of a laboratory helicopter with the final aim to design a control system is presented. The CE 150 made by Humusoft is a laboratory helicopter designed for studying system dynamics and control engineering principles. First, the helicopter set-up is depicted. Next, theoretical and empyric modelling is systematically described. Identification of the neces...