The target goods location of some stackers is realized by the recognition site piece. The point-to-point communication mode is used, such as infrared communication, leading to low localizing precision, reliability and poor scalability. To overcome the above shortcomings, taking a logistic laboratory's...

The traction power supply system of electrified railway will cause harmonic and negative sequence current when connecting to the common power net. The propagation characteristics of harmonic and negative sequence current are studied by analyzing a certain power network in the ETAP software, and then...

This paper mainly solves the problem of the independent driving and coordinated control of the four wheel motor in electric vehicle. The vehicle controller is designed based on DSP2407, the DA_OUT function is added to the program of the DSP2407 SPI module, which can be used to set the parameters SPI_DATA...

Inertial and gravitational energy of load can be regenerated from hydrostatic transmission with secondary regulation. Based on the working principles and energy-saving theory of the secondary regulating transmission system under variable pressure rail, regenerating the transmission system's inertial...

The output power of the photovoltaic is a kind of nonlinear function which is influenced by the intensity of sunlight and internal junction temperature. In the external environment stable situation, photovoltaic, the component exists only the maximum power output point. This paper analyzes the output...

In order to optimize the heating dynamic response of heavy oil in the submarine pipeline, the control system of the pipeline electric current tracing system is designed. Firstly, the mathematical model of electric current tracing system for heavy oil pipeline is established based on mechanism modeling...

With the continuous development of optical fiber measurement technology, it has been more and more used in petrochemical industry. This paper introduces the using two application examples, including distributed optical fiber measurement technology for storage tank temperature and pipeline strain monitoring....

A power control strategy based on PRN (Proportional Resonant and Inertia) is proposed in this paper. In the motor drive without dc-link electrolytic capacitor, the traditional PI controller is difficult to track the power which contains both ac and dc components. This characteristic cannot meet the system...

The pH of water is very important to human health and aquatic products breeding. Traditional PH detection technology cannot meet the requirements of real-time, dynamic and efficient monitoring, this paper designs an on-line PH monitoring system based on ZigBee technology. The system is based on the ZigBee...

Many communities have their own renewable energy generators to reduce long-distance power transmission losses and to decrease greenhouse gas emissions. However, in high power demand regions, power transmission congestion is often occurred when abundant renewable energy is generated and injected into...

Firstly, this paper briefly describes the origin of the electromagnetic linear actuator which research status and development are summarised. Secondly, it describes the principle, the characteristics of the moving-coil linear motor and the Moving-magnet linear motor. Thirdly, it analyses and summarizes...

This paper investigates the stator magnetic pull per unit area (MPPUA) and stator vibration characteristics under different static air-gap eccentricity (SAGE) forms of turbo-generator. Three types of SAGE, i.e. the rotor offset, the stator deformation, and the mixed one composed of the former two, are...

This paper used theoretical analysis and numerical calculation to analyze winding electromagnetic force (EF). QFSN-600-2YHG type turbo-generator is the research object. This paper investigated EF on exciting windings of turbo-generator before and after rotor interturn short circuit (RISC) fault. The...

In order to studying the characteristics of MRF inter-layer shear force, through the development of MRF inter-layer shear force experiment device, under the action of dynamic composite field that composed of magnetic field and temperature field, the experiment analyzes the characteristics of magneto-rheological...

Experimental study was conducted to investigate the effects of using isopropanol-diesel fuel blends on the engine performance and exhaust emissions in an electronic control high-pressure common rail turbocharged direct injection diesel engine. Experiments have been performed for different isopropanol-diesel...

As the key component of the electromagnetic energy conversion in the motor, the type of winding has an important influence on the high order harmonics and losses. In order to study single-double layers concentrated winding for high order harmonics and losses reduction, taking a 2.2kW squirrel cage induction...

Winding vibration electric power transformer is under circulation in the leakage magnetic field generated by currents in the windings due, calculated winding paper analyzes the distribution of electric power to analyze the vibration characteristics of the windings. Using finite element analysis software...

This paper introduces the component dynamic scheduling method. The method is used for automotive network control software design. In this paper, we introduce the research necessary for component-based software architecture. And we describe the rules of components dynamic scheduling based on graph theory...

Flexray bus is considered as a more promising bus in the future with the performance of real-time, scalable, and fault-tolerant. In this paper we design an electric vehicle battery management system based on flexray bus, including the hardware design, the SoC estimation theory, flexray protocol design...

The effects of transformers on the types and characteristics of voltage sag are also different when the voltage sag is transmitted by the transformers, which have different winding connection modes. In this paper, using the system simulation model built by PSCAD, based on the derivation of voltage transfer...

The potential of controlling the gasoline premixed compression ignition combustion using the diesel micro-pilot strategy was investigated to achieve high thermal efficiency and low emissions on a light duty engine. It was found that the gasoline fraction and the second diesel micro-pilot injection timing...

In order to improve the control effect of the brush-less DC motor, adjustable-speed system of double loop-locked based on TMS320f28335 chip is designed to realize the digital control of the brush-less DC motor. As for the hardware part, the TMS320f28335 chip is the core processor and the brush-less DC...

To effectively detect the hidden fault of transformer winding, the combination of grey correlation analysis and entropy weight theory is proposed to detect the winding condition of power transformer based on the inherent relations of vibration frequency response (VFR) curves of several measured points....

To achieve a human-like grasp for prosthetic hands, this paper proposes a master-slave control system for the prosthetic hands based on the Cybleglove II. The movement characteristics of human finger joints were acquired via the data glove, and analysed by the LabVIEW real-time control system simultaneously....

Despite the rapid developments of prosthetic hands technologies in recent years, there still exists a huge gap between prosthetic hands and human hands in flexibility. The limitation of sensors attached to the prosthetic hand is one of the causes, and another reason is that the materials, weight, and...

This paper proposes a load control of island economy operation model. It coordinates the storage operation with diesel generator output, so as to achieve the economic operation purpose of power grid. In this paper, the micro network economic operation model is transformed into mixed integer programming...

To build a state space evaluation system based on online sensor measuring information, combined with expert experience, a real-time safety assessment method based on Mamdani fuzzy inference system is developed, aiming to monitor safety of large crane in operation and accordingly provide decision support...

Vertical rotating devices may cause large amplitude vibration or even lose stability during low-speed operation. This paper discusses the control approaches of a low-speed vertical rotor orientation system based on the electromagnetic levitation. In the paper, according to the gyro mechanics principle,...

This paper describes the design of the movable solar energy heat utilization system. The data of the system can be monitored and output for testing and analysis. The system can save 3386.4 kWh of electricity per year.It can be known that this system uses only two hours to heat water for daily life.The...

This paper discusses a multispecies discrete Gilpin-Ayala mutualism system with feedback controls. We firstly obtain the permanence of the system. Assuming that the coefficients in the system are almost periodic positive sequences, we obtain the sufficient conditions for the existence of a unique almost...

For different structures of sensor have many decoupling algorithms, this paper discusses mainly from two aspects the decoupling algorithm of six-axis force/torque sensor. One is the linear decoupling which is under the assumption that the sensor system is a linear system, another is the nonlinear decoupling...

Onboard magnetic flux compression generator (MFCG) would be used widely in new types of projectiles that need huge electric energy, while the inductance variation is significant for onboard MFCG design. In order to achieve the inductance variation, image current model was applied to the circuit parameters...

According to the technical problems of the existing testing methods for the key hidden metal components (such as the decompression panel and the water board) of the turbine runner chamber, such as the poor reliability, the inaccurate locating and the larger detection blind spots of the detection device,...