Permitted movements in form of lane markings on single traffic lanes can be defined as decision optimization variables at intersection level and can be connected to form a signal-controlled network system. Traffic demand patterns are always given in a OD matrix. It is therefore a new design method to...

In order to effectively apply the magnetorheological technology into the cutting chatter suppression, the reasonable mechanical model which could properly describe the mechanical behavior of magnetorheological fluid (MRF) is very important. According to principle of rheology, the mechanical performance...

Back clamp device is the key equipment of the top drive, which is required operation reliable and compact structure. This paper introduces the working process and working principle of the back clamp, According to the operation scheme and performance parameters of the back clamp, Dynamics simulation analysis...

Performance of the hydraulic system for the rise-fall device has a direct impact on the reliability of power catwalk. According to the working principle of the rise-fall device, the scheme design and mechanical models of hydraulic system are established. And test the hydraulic model of the rise-fall...

As an effective method to extend the stability range of axial compressor, circumferential groove casing treatment has always been the focus of researchers. This paper analyze the stall margin improvement of casing treatment and the flow field in axial compressor. Slot type and circumferential casing...

A theory model of Kit-Manufacturing is established to improve the efficiency of aerospace product manufacturing. The definition and algorithmic method of Key Routing and Standard Production Batch is provided. The Kit-Manufacturing coefficient for monitoring product manufacturing process is defined and...

In this paper, the characteristics of the two stage vibration reduction system of construction machinery are analyzed. The vibration characteristics of this kind of construction machinery are analyzed by means of the modal analysis method, which is based on the two degrees of freedom of the suspension...

The purpose of this paper is to propose an efficient numerical method for solving singular ordinary differential equations of Lane-Emden type. The singularity at initial point of the problem leads to failure of many methods such as Euler method, Runge-Kutta method, etc. The proposed method is based on...

The parameters calculation, meshing surface and 3 D models construction of planar double-enveloping toroid worm pair are efforts consuming because of complexity of the envelope motion. A parameter driven modeling method of this worm pair has been proposed, the parameters calculation, meshing surface...

Based on the basic equations of elastic waves in general media, the general form of dual variables equations for plane elastic waves in general elastic media are developed by the transformation of matrix and vector operation. The general form of dual variables equations are generally suitable not only...

In the process of the automated mechanical transmission operating,one pair of cogwheels are engaged with the other idling.Because both gear pairs are supported on one shaft,the states of them will be mutual coupling.By analyzing the meshing stiffness,mesh damp,support stiffness and coupling state via...

The variable mass pitching systems along with load quality and its pitch angle displacement, and the same as its position of the center of the pitching and driving torque changes etc.To design the adaptive control strategy, we put forward the inter-partition PID control algorithm for the driven motor...

Joystick is a critical equipment for human to interact with an environment in a tele-operation system. In this paper, a decoupled three translational degree of freedom joystick for tele-operation applying Permanent Magnet Synchronous Motor (PMSM) is designed. Then new control strategy based on position...

According to the FMS actual production scheduling problems, this paper established a Petri nets scheduling model, And based on this model, we proposed a static scheduling algorithm combined with Petri nets reachability graph and A* heuristic graph search algorithm, Then a simulation experiment of the...

To help people clean the window at high altitudes, we design a window cleaning robot that. The robot should be able to walk on most glass walls according to designated routes. To achieve uniform speed, turning, automatic speed control and other functions, we firstly used C51 programming technology to...

Memory foam is a kind of Polyether polyurethane foam which possesses low resilience mechanical properties. The foam mattresses are generally consisted of two to six layers foam, and glued by workers manually with Acrylic glue. A DMC (Digital Motion Control) based control system of automatic spraying...

In this study, a new type of mechanically adjustable fluid viscous damper is developed for specific requirement. According to its operating principles, the output force of the damper is derived based on N-S equation. As a third-generation fluid viscous damper, the damping coefficient can be adjusted...

Minimally invasive vascular interventional surgical robot system includes two parts, the master manipulator and the slave end-effector. With the operation of the system need to map the operation of the main hand to the end effector, to achieve master-slave operation. Based on the graph transformation...

Aimed at the heaving pitch coupling stability problem for underwater mooring monitoring platform under the action of a nonlinear flow field, the heaving pitch coupled equations of motion were established in consideration of initial stability height and drainage volume change; The stability transition...