An underwater sediment soil sampling robot is presented in this paper. The developed robot is composed of a Remotely Operated Vehicle (ROV), a buoyancy regulator, a sampling corer and other parts. Differ from traditional ROVs and sampling devices, the robot moves by swinging the fins and collects soil...

In view of the complexity of the electronic control system of adaptive optics, combining with fault tree analysis and expert system, we design an expert system on fault diagnosis for electronic control system of adaptive optics based on Fault Tree. After analysis of electric control system of AO, fault...

This paper firstly introduces Ethernet Audio Video Bridging (AVB) standard developed by the IEEE 802.1 Audio Video Bridging Task Group, then focuses on AVTP standard which is aimed to transport the audio and video data, next introduces the new multi-channel network audio transmission protocol that we...

This paper introduces a light weight transport protocol which is referred to High performance Disk Storage Protocol HDSP . Like the zero-copy technology HDSP improves the throughput of networked storage system and reduces the system workload by reducing protocol layers and data copy times and employing...

This paper focuses on designing the MIMO tracking control system which can achieve zero steady state errors and obtain desired dynamic performances, simultaneously. By using state feedback, the closed-loop stability and desired dynamic performances are guaranteed. By integrating the deviations between...

This paper proposes an adaptive filter structure and implementation method which based on operational transconductance amplifier (OTA) and the current controlled conveyor (CCCII). After preprocessing and shaping, it can generate a frequency signal, which be converted into current signal IB by the F/I...

A four-degree of freedom (4DOF) spatial parallel mechanism used as position and pose adjustment mechanism for manipulator is designed. By mechanism analysis, the conclusion that the force-influence coefficient matrix of the adjustment mechanism is the transposition of the velocity influence coefficient...

In Wireless Sensor Networks Cooperative communication network,cooperative diversity,a wireless sensor network communication research hot spot, can bring diversity gain. Collaboration forwarding power is a kind of shared resources between the sensor nodes, researchers proposed a program which based on...

In view of the requirements of aircraft parts automatic drilling processing, based on the analysis of the working process of the automatic drilling end-effector, through the steady-state design and the system structure modeling with CATIA, design a set of testing, drilling, pressure riveting, suck crumbs...

The single chip microcomputer make CPU, RAM, ROM and block PROM, EPROM, EEPROM integrated on a chip of a microprocessor by using a large scale integrated circuit technology. It has multiple I/O port and interrupt system, special function registers, timer, counter, also integrates the driver circuit,...

Focused ion beam systems complement conventional processing methods and can be used to prototype and modify a diverse range of nano-devices and sensors. Controllable incident focused ion beam is difficult to obtain due to Coulomb interactions among ions. In this paper, Coulomb interactions of a practical...

Due to the limited energy, memory space and processing ability on wireless sensor nodes, the batch learning method will be infeasible for larger number of samples or sequence samples. This paper focuses on the incremental learning method for kernel machine by involving L1 regularized, a novel incremental...

This paper introduces the system design of the YSS920B digital audio DSP processing chip based on the Yamaha Corporation. The design of two order variable parameter digital equalizer is studied, and the key problems of the filter design are discussed from two aspects: system structure and variable parameters...

According to the characteristics of our intelligent terminal audio port communication technology, Improving the communication done in-depth analysis and research on the coding efficiency.In HiJack platform to complete the 2 FSK codec and Manchester codec driver development and driver development based...

We designed a sound localization system based STM32. Information obtained from a plurality of sound receivers for sound source localization. System consists of the sound source module, sound receiver, spectrum detector, narrow-band filter [1] and microcomputer. By looking at the spectral detector, we...

In the field of the application of modern HF communication, much more attention is paid to the technology of HF OFDM modulation-demodulation. HF channel is the frequency and time selective fading channel. To reliably receive information, HF receiver must estimate real-time channel parameters to equalize....

It is difficult to collect bubble-wake signals from different ocean environments caused by various types of ship. One-class support vector machine (OCSVM) can make decision based on incomplete information. This paper found an OCSVM detection model which use only reflected signals without a bubble wake...

The paper concerns itself with the specific structure of the optical system in a photo-electrical helmet-mounted sight scanning system, and makes analysis of the principle error caused by ten sides prism reflector non-direction fit axis rotation in measuring its head position ,it further derives two...

This article studies the application of information exchange bus which is based on the SOA framework, and also mainly elaborates the principle of work of information exchange bus and its application of it on all kinds of automated information system. The information exchange bus, as a key technology,...

This paper designs an automatic monitoring system of relative settlement of buildings, which mainly consists of three parts, that is automatic adjustment module, automatic fault tolerance correction code ruler module, automatic identification code ruler module. The monitoring system adopts the high precision...

This article introduces a structural modeling approach and a rule-driven model composition method for underwater warfare simulation to facilitate the reusability and composability. First, a SES-based model structure is built and the Hybrid Discrete EVent System specification (HDEVS) formalism is proposed...

We propose a model of Tibetan syntactic parsing which is based on Tibetan syllables instead of Tibetan words, change Tibetan syntactic Treebank use algorithm of labeling.

he paper researches the dry air,nitrogen and helium and other effects of three kinds of commonly used sensitive gases on the sensitivity of the fluidic gyroscope.By using the finite element method,the flow field in sensing element of fluidic gyroscope under the effect of the input angular velocity of...

In this paper, in order to improve the sensitivity of the sensor, using FLUENT software to simulate the temperature field of the closed cavity to find out the optimal thermal wire position. The distribution of temperature field in the closed body are calculated when the sensor is in different inclined...

In this paper, using the optimization method of replacing the temperature with power to calculate the temperature distribution of the airflow level posture sensor in closed cavity. The temperature distribution of sensor in closed cavity is calculated at different inclination sensor status and under different...

The basic principle and application of piezo-resistive and piezoelectric are expounded. Also the method of deposition of tantalum nitride on the glass to fabricate piezo-resistive pressure sensor, and the method of a plurality of piezoelectric thin film in parallel to form a high sensitivity sensor are...

The data fault tolerance has become an important performance indicator in a real-time monitoring system of network equipment. Thus the data fault tolerance has become an important performance indicators. We analyse the deficiencies of ganglia monitoring system and propsed an improved scheme for ganglia...

This paper mainly discussed the problem of recognizing objects by their features. The maximal clique approach is seen to be capable of finding solutions to recognize objects and scene analysis. The main focus of this thesis is studied that the GHT is particularly well suited to object detection in real...

In the present days of rapid adoption of micro-service, it is imperative to build a system to support and ensure the high performance and high availability for micro-services. Lightweight virtualization, which we also called container, has the ability to run multiple isolated sets of processes under...

This paper proposed a design of HD video compression and processing system due to the process of large amount of data, high flexibility problem during video compression and video processing. This design apply TMS320DM6467 dual-core DaVinci processor. After the research of VPIF interface and video compression,...

Most existing mining wireless systems are working at 2.4GHz, such as 2.4 GHz WiFi commutation assess point, Zigbee wireless positioning assess point, various 2.4GHz wireless communication terminals, 2.4 GHz wireless sensor terminals, etc.. Since the span of 2.4GHz free frequency is limited, the signal...

Hidden failures in relay may cause invalidation of protection equipment so that system faults cannot be detected. These faults will lead to cascading outages in severe cases. At present, effective methods lack in monitoring hidden failures. A hybrid state estimation which uses system data collected from...

In order to improve the precision of the laser ranging system, after deeply analyzing various factors that affect the accuracy of pulse laser ranging, a novel time extension method is presented in this paper. Firstly it introduces the laser ranging principle, including pulsed and phase laser ranging...

This system is mainly to the traditional cooling system for the appropriate improvement through the cooling water tank, water pump, pipeline, water, the global positioning system GPS, liquid level sensor and the central control system. When the vehicle down a long slope, through the GPS issued an electrical...

In order to detect the starting and recovery points of noisy voltage sag signal, this paper proposed the wavelet soft threshold method for denoising and the wavelet transform for detecting the singular points. Comparing to the FIR filtering method, the wavelet soft threshold method can filter out the...