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Dynamic Analysis and Control of an Automatic Transmission for

Nov 19, 2014 ... An electric oil pump (EOP) was integrated into the hydraulic system and an automatic transmission (AT) mechanical oil pump. (MOP) was downsized. These processes were performed to combine a start-stop function with the AT and further improve the transmission efficiency. Furthermore, this study ...


Dynamic Analysis and Closed-loop Shifting Control of EF-Automatic

automatic transmission power train to investigate the shifting characteristics and proposed a open-loop pressure control strategy during torque phase ... with full electronic control system.[1] Its major design features are that clutch-to-clutch shifting mechanism is employed for simplified construction and lighter weight and four ...


Shift Control System of Heavy-duty Vehicle Automatic Transmission

therefore, virtual design for the automatic transmission has gradually become ... SYSTEM MODEL. A. The Principle of Shifting Control System. Fig. 1 is shown that the shifting operation system working schematic and hydraulic components of. 2948. JOURNAL ..... Through the above analysis, dynamic hydraulic shift changes ...



tremendous efforts on new technologies for automatic transmission with planetary gear sets. Among these new technologies, system dynamics and control methodolo- gies are ... As the linear feedback controller, the PID control design ...... (ii) Development of a simulation environment that can be used for the analysis of.


Design, Analysis and Control of a Spherical Continuously Variable

the controller. Finally, we design and construct an S-CVT based mobile robot to realize the various advantages of the S-CVT into practical use. One of the key features of the mobile robot ... 2 Dynamic Analysis of the Spherical CVT. 23 ...... and an extended Dahl's friction model for an automatic transmission system analysis.


Design and dynamic simulation of hydraulic system of a new

be used in hydraulic system design and optimization. Key words: automatic transmission; hydraulic system; dynamic simulation. 1 Introduction. The hydraulic system of automatic transmission. (AT) is a very important part of the powertrain. Its function is to ensure normal work of transmission system, to control shifting and the ...


A framework for modeling and optimal control of automatic

derived for rotating transmission components enabling to calculate both transmission dynamics and internal forces. The model is then used in optimal control problem formulations for the analysis of optimal control transients in two up-shift cases. Keywords: Automatic transmission, optimal control, modeling and simulation ...


development of a model of the dual clutch transmission in

transmission (DCT) is the first automatic transmission to provide better efficiency than manual transmissions. ... Finally, the Autonomie DCT model and control strategy are validated using vehicle test data from Argonne's Advanced. Powertrain Research ..... Analysis and Control System Design of Automatic Transmissions.


Hydraulic System Optimization and Dynamic Characteristic

Analysis of simulation results of DCT hydraulic system pressure and flow, as well as different structural parameters ... transmission to the three axes in the shift system, the automatic transmission and the hydraulic system of electronic control. ... system design and modeling of the wet double clutch transmission. Therefore ...


Motor-torque-limited power-on upshift control in electric vehicles

Power-on upshift control strategy, limited motor torque control, electric vehicle, shift quality, automatic transmission, torque control ... design of EV powertrains. ... on simultaneous real-time output torque estimation, line pressure control and ignition timing control with no predetermined look-up tables. This control system.


Modeling and Optimal Control of Heavy-Duty Powertrains

Optimal control analysis of a wheel loader operating in a repetitive loading cycle is the first studied application. ... controls for a heavy duty Automatic Transmission system. A modeling and optimal control ... in the system. This is enabled by implementation of smoothing techniques in order to describe backlash dynamics.


Darrell L. Robinette, Ph.D., P.E.

Energy analysis modeling for powertrain selection and shift point controls. • Powertrain optimization for fuel consumption using statistical methods. • Transmission shifting clutch mu-V performance characterization. • Automatic transmission clutch-to-clutch controls modeling. • Development of simplified gearbox dynamics ...


Modeling of an Automatic Transmission for the Evaluation of Test

Sep 21, 2015 ... the evaluation of system dynamics for controller design. (Runde, 1984). The setup .... Modeling of an Automatic Transmission for the Evaluation of Test Procedures in a Virtual End-of-Line Test. Bench. 548. Proceedings of the 11th ... actuator, a detailed analysis of its design is carried out. Figure 2 shows a ...


Parameter design and performance analysis of shift actuator for a

This article presents the design, analysis, and control of a two-speed automatic mechanical transmission for pure electric vehicles. The shift ... Pure electric vehicle, automatic mechanical transmission, shift actuator, parameter design, shift control strategy. Date received: ... premise of dynamic performance and driveline life; it.



Dynamic Analysis and Control System Design · of Automatic Transmissions. • Concepts in Turbocharging for Improved · Efficiency and Emissions Reduction. eBOOK TECHNOLOGY BUNDLES. ON THE DIGITAL LIBRARY. Choose from these available bundles or create your own customized bundle by selecting titles from ...


Fluid Power System Dynamics

Sep 25, 2015 ... course that would teach analysis of mechanical translational, mechan- ical rotary ... ME 3281, System Dynamics and Control and in ME 4232, Fluid Power. Control Lab. The book is a result of the Center for Compact and Efficient Fluid .... Most automatic transmissions have hydraulically actuated clutches.

2-text book fluid-pwr.pdf

Robustness Analysis and Control System Design for a Hydraulic

Robustness Analysis and Control System. Design for a Hydraulic Servo System. Yi Cheng and Bart L. R. De Moor, Senior Member, IEEE. Abstract—In this paper, we treat the robustness analysis and control system design for the hydraulic servo system in a con- tinuously variable transmission (CVT). The hydraulic system is.


Feedback Systems

88. 3.7. Population Dynamics. 93. Exercises. 97. Chapter 4. Dynamic Behavior. 101. 4.1. Solving Differential Equations. 101. 4.2. Qualitative Analysis. 105. 4.3 .... control systems. We begin in Chapter 2 with a description of modeling of physi- cal, biological and information systems using ordinary differential equations and.


Dynamics Analysis and Control of a Holonomic Vehicle With a

Dynamics Analysis and Control of a Holonomic Vehicle With a. Continuously Variable. Transmission. This paper presents kinematic and dynamic analysis of a ... This makes this design more attrac- tive, especially regarding the weight of the vehicle and the reli- ability of the system. This new CVT exhibits unique characteris-.


Robust Nonlinear Estimation and Control of Clutch-to-Clutch Shifts

[48] proposed a backstepping controller and studied the robustness of the closed loop system using the framework of input to state stability, for a dual clutch transmis- sion. Similar analysis was performed by [30] for automatic transmissions. In both of these references, a highly simplified shift hydraulic dynamics model was ...