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The purpose of the study is to test a novel bite force device consisted of force sensors and a pair of full dental arch braces. Five subjects were asked to perform two tasks, 1) using novel bite force sensor device and 2) using single channel force sensor. The maximal bite forces were recorded with two similar protocols. Intraoral force recordings were successively obtained from all the subjects....
Recognizing human daily activities will enhance the capability of a service robot that interacts with humans. Such a task is challenging due to the complex and dynamic nature of human gestures in interaction, which brings about much difficulty in the reliability and real-time performance of activity recognition. In this paper a reliable and fast RGB-D based daily activity recognition method for service...
This paper present an active search navigation model for AUV used geophysical field information in natal homing mission. We consider that the animals homing behavior can be regarded as a ability of search for destination multi-parameter geophysical field without any priori map. Here,a hypothesis is proposed that natal homing can be generalized as a multi-objective problem. The AUV stored the multi-parameter...
In order to accurately describe the running vehicles, based on the coupled map car following model proposed by Konishi, considering the influence of the driver's time-dependent delay time and the driver's sensitivity would change with velocity and the headway, meanwhile the actuator exist saturation constraints, introducing the fuzzy control theory, a new T-S fuzzy coupled map car following model...
Hand motion recognition based on surface electromyography (sEMG) has drawn much attention over last decades. Generally, sEMG can be non-invasively measured on the skin, and then different stable features directly relating to hand motion are extracted from the preprocessed sEMG. In order to improve computational efficiency, some dimension-reduction methods, such as PCA, LDA, are always employed to...
This paper proposes a novel dexterous robotic finger with sensing parallel and self-adaptive grasp, called S-PASA finger, which can perform parallel and self-adaptive hybrid grasping mode. The S-PASA finger consists of two phalanges, two joints, a four-link mechanism with a composite flexible link, one spring, four sensors, a control module, a drive module, and two servo motors. The S-PASA finger...
In traditional rehabilitation robot design, the dynamic system of rigid was used in each joint of rehabilitation robot, which the motor and reducer, etc as a drive unit. The design of joint has a greater impact load in medical application because of its deficiency soft elastic element. This impact load not only makes damage to normal operation of the robot, even may cause secondary damage to patients...
Impedance control plays an important role in the control of human-machine control system, especially in rehabilitation devices. It is essential to estimate patient's limb stiffness to adjust the impedance parameters of controller. A large number of studies showed that muscle co-contraction would influence the limb stiffness. This study aimed to investigate the change of ankle joint stiffness using...
Considering the driver's sensing the headway and velocity exist the different time-varying delays respectively, and the driver's sensitivity will change with headway and speed, meanwhile the sensor exist failure constraints, introducing the fuzzy control theory, a new fuzzy car following model with two time-delays is presented, the fault-tolerant control strategy of the new fuzzy car following model...
A traditional robot finger can achieve either pinching or enveloping grasp instead of both functions. It is necessary to design a finger combining with both functions. This paper designs a novel parallel and self-adaptive underactuated robotic finger with belt and cam-link mechanism, named as PASA-BCL finger, which mainly consists of a motor, a cam-link part, two pulleys, a spring, a mechanical limit...
This paper establishes an online identification algorithm which can provide the model status in real time base on TVARMA model for small unmanned helicopter. First, the TVARMA model used for describing the small unmanned helicopter is shown. After that, a recursive algorithm is elaborated to solve the parameters in the TVARMA model. Then a flight experiment data is used to identify the TVARMA model...
Over the past years, automatic traffic accident detection (ATAD) based on video has become one of the most promising applications in intelligent transportation and is playing a more and more important role in ensuring travel safety. This paper proposes a classifier-based supervised method by viewing the last seconds before motor vehicle collisions as the detection target. In our method, we devise...
The fisheye camera has been widely studied in the field of robot vision since it can capture a wide view of the scene at one time. However, serious image distortion handers it from being widely used. To remedy this, this paper proposes an improved fisheye lens calibration and distortion correction method. First, an improved automatic detection of checkerboards is presented to avoid the original constraint...
Breast cancer is now considered as one of the leading causes of death among women all over the world. It is broadly accepted that ultrasound imaging is an important and frequently used tool for breast cancer diagnosis. In this paper, we propose a novel computer-aided diagnosis scheme for breast lesions classification. In this scheme, the sonographic breast images are first used to produce Breast Imaging...
More and more records or charts of historical financial data are used for technical analysis, hoping to identify patterns that can be exploited to achieve excess profits. Technical analysis has been widely used in the real stock market to forecast stock price or stock trading points. The good association of technical indicators can obtain good prediction results in stock markets. But the selection...
With the rapid progress in science and technology, intelligent AGV (Automated Guided Vehicle) is more and more popular in industrial automation. However, since it is very difficult for the traditional proportional-integral-derivative (PID) to strike a balance between the static and dynamic performance of system. In order to make AGV control system more smooth and stable, a fuzzy PID controller to...
Briefly introduced the development background of stand assist lifts, analyzed the development status, classified the existing products, selected some products and illustrated them. At last, this thesis put forward some questions on the application and promotion of existing products and proposed several suggestions on their development.
With the development of computing technology, the architecture of healthcare information systems (HIS) may evolve into an application of pervasive computing. HIS requires a more complex high-level design because of its involvement of many different organizations with individual interests and goals. Therefore, an agent-oriented architecture is preferable over other traditional models, such as object-oriented...
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