Fangzhou Zhao

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A secondary optimization technique was proposed to estimate the temperature-dependent thermal conductivity and absorption coefficient. In the proposed method, the stochastic particle swarm optimization was applied to solve the inverse problem. The coupled radiation and conduction problem was solved in a 1D absorbing, emitting, but non-scattering slab(More)
Miniature robots can't carry too many sensors for obstacle avoidance due to its small volume. In this paper, we applied the method based on low-cost local map for obstacle avoidance that uses infrared sensors and MPU6050. Firstly, we introduced the robot and its kinematic model. Secondly, proposed the criterion of robot be trapped. Thirdly, we studied the(More)
Miniature robot has becoming a preferable choice for outdoor reconnaissance task due to its flexibility. However, miniature robot tends to have poor navigation ability because of the limited perception ability coming with the constrained space. This paper focus on the navigation problem of outdoor miniature reconnaissance robot with limited sensing ability(More)
The map building is the prerequisite in the mobile robots' autonomous operation in an unknown environment. Most current mobile robots mainly use the 2D map, and the others which use the 3D map have some shortcomings such as the complex data processing algorithm, large computation and time-consuming and so on. The paper presents a 3D data scanning system(More)
Aerial dispersal miniature reconnaissance robots can be used in many areas such as natural disasters, man-power disasters, military reconnaissance and so on. Due to its characteristics of fast response, long detection distance and large coverage area, aerial dispersal miniature reconnaissance robots are suitable for these situations mentioned above.(More)
Coal mine is a very dangerous field because various fatal factors menace people especially when coal mine explosion happens. For the reason that rescuers have to know the mine tunnel actual situation and at the same time, it is very dangerous for rescuers to go into mine tunnel because of the unknown environment, a kind of coal mine detect robot and an(More)
This paper is authored to describe a control framework that is designated for hydraulically actuated quadruped robot to trot on rough terrain. In order to succeed in trotting on rough terrain, two controllers are synthesized: i) Dual Length Linear Inverted Pendulum Method (DLLIPM), ii) Active Compliance Control. The first controller computes the hydraulic(More)
When the robot appears, various researches on it have been coming out one after the other and changing rapidly. The robotics is refined day after day. Especially in the recent decades, with the emergence and developments of internet and the computers, it makes a remarkable progress and reaches an unprecedented level. The robot is of wide applications(More)
Mean shift algorithm has grained great success in object tracking domain due to its ease of implementation, real time response and robust tracking performance, however, the fixed kernel bandwidth may cause tracking failure for size changing objects. A novel object tracking algorithm for FLIR imagery is proposed based on mean shift with adaptive bandwidth.(More)
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