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The paper deals with the communication between the infotainment elements and the drive component of the car using the CAN bus. In the introduction, it is briefly described the communications bus used in cars. It describes its basic features, benefits and utilization. The main task is graphically program and builds a dashboard that will resemble to...
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... bus may be in two states -the dominant state (dominant) or a recessive (recessive), shown in Fig.1. The dominant state occurs when at least one unit transmits, i.e. "switch is open", the voltage on the bus is about 2 V. On the other hand, the recessive condition occurs when the "switch is turned off" and the voltage on the bus is 0 V, it means the "silent bus", there is no sending unit, or any unit can begin transmitting. ...
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The paper deals with the communication between the infotainment elements and the drive component of the car using the CAN bus. In the introduction, there is briefly described the communication bus used in cars. It describes its basic features, benefits and utilization. The main task is graphically programmed and builds a dashboard that will resembl...
Citations
... The EHB system receives signal commands from the vehicle bus and writes its controller into the software using algorithms [15], which can control the target hydraulic pressure for different application scenarios. As an auxiliary function of the vehicle, the EHB determines whether the auto parking condition is reached according to the wheel speed signal after the auto parking function is enabled. ...
The algorithm function designed in this paper can make a car maintain stability during automatic vehicle hold through the model input of multi-level target fluid pressure combined with slope judgment modules of different levels after the automatic vehicle hold software works. At the same time, a complete parking function module is designed, which can monitor the whole parking process in real time. Through the design of this function, the functional diversity of the electro-hydraulic braking system can be increased. When judging that the driver intends to start, the automatic vehicle hold system will automatically release the fluid pressure according to the opening of the accelerator pedal pressed by the driver so that the vehicle does not happen to brake when the vehicle starts in the slippery slope condition. Finally, real vehicle verification proves that the function can effectively meet the parking requirements and start on the flat and on a ramp. Also, it can effectively control the vehicle according to the driver’s driving intention.
... Controlled Area Network (CAN bus) is a massage-based communication protocol which is developed for the in-vehicle network in 1983 [63][64][65][66][67]. CAN bus network is a highly reliable, inexpensive, and real-time network that allows multiple CAN devices to communicate with each other. ...
In recent decades, the trend of using zero-emission vehicles has been constantly evolving. This trend brings about not only the pressure to develop electric vehicles (EVs) or hybrid electric vehicles (HEVs) but also the demand for further developments in battery technologies and safe use of battery systems. Concerning the safe usage of battery systems, Battery Management Systems (BMS) play one of the most important roles. A BMS is used to monitor operating temperature and State of Charge (SoC), as well as protect the battery system against cell imbalance. The paper aims to present hardware and software designs of a BMS for unmanned EVs, which use Lithium multi-cell battery packs. For higher modularity, the designed BMS uses a distributed topology and contains a master module with more slave modules. Each slave module is in charge of monitoring and protecting a multi-cell battery pack. All information about the state of each battery pack is sent to the master module which saves and sends all data to the control station if required. Controlled Area Network (CAN) bus and Internet of Things technologies are designed for requirements from different applications for communications between slave modules and the master module, and between the master module and control station.
... The Profibus, Canbus and Modbus communication methods are used widely to control the communication networks of induction motors [22]. The Canbus (Controller Area Network) control network is a system that was developed to create a common management unit by decreasing the number of electronic control units, the number of system elements and cable length. ...
Existing monitoring and control of an induction motor systems must be interoperable with next generation products to ensure smart integration in order to update existing system by reducing the cost and increasing the reliability. The best method must be chosen for efficient use of energy in some cases such as speed control, switching-on or switching-off, or in controlling the speed of induction motors, which make up a large part of the load group in industrial field. In this study, the controlling and monitoring of an induction motor parameters were carried out over a computer by using the Profibus (Process Field Bus) communication method through the TIA (Totally Integrated Automation) Portal program used to program all Siemens PLCs (Programmable Logic Controllers). The induction motor parameters were obtained over the frequency converter without using additional cards such as current, voltage, frequency and speed measurement. In this way, cables and electronic cards confusion were avoided and a safer, faster and more functional application was implemented compared to classical methods. KEPServerEx OPC (Ole-for Processing Control) Server program by OPC Foundation was preferred for the communication of computer with a PLC. Profi-Lab editor program was used for monitoring and controlling the system over a computer.
Analysis of modern approaches to the implementation of driver assistance systems, as well as the implementation of the architecture of the driver assistance system, aimed at recognizing traffic signs at the maximum distance from it under difficult weather conditions, for early feedback to the driver. The paper considers the main signals used in the implementation and operation of the driver assistance system: data from the car's CAN bus, information from a GPS receiver, video fragments from a digital camera. The presented modular architecture uses the listed data sources for estimating the traffic situation, as well as neural network methods for recognizing traffic signs. The modular architecture of the driver assistance system is presented, which allows notifying the driver about traffic signs. The system is equipped with lane boundary control to alert the driver to signs related to the adjacent carriageway when turning. It has been experimentally proven that the modular architecture of the driver assistance system presented in the paper is not inferior in speed and accuracy to alternative systems, acting as a comprehensive autonomous solution.
The present study has allowed the realization of an automatic communication tool for electronic modules such as BCM and smart junction boxes. We propose a platform with a graphic interface developed by the C# language to achieve communication via the Controller Area Network (CAN) and Unified Diagnostic Services (UDS) based on vector devices. This tool is designed to connect or disconnect to the electronic automotive part and to allow sending periodic frames to visualize the responses of the card in real time.KeywordsController area network (CAN)UDS protocolAutomotive card
Aiming at the problem of a large amount of CAN communication message data of automobile controllers and low efficiency of traditional software development, this paper proposes a method of CAN message unpack and pack based on Simulink automatic code generation technology. S-Function is used to design CAN message sending and receiving model that can import DBC files, and use RTW (real-time workshop) to realize Simulink model to automatically generate C code. This method effectively solves the unpack and pack of CAN messages, simplifies the code development process, and improves the efficiency of software development, especially when there are DBC files, which simplifies the work of sending and receiving and testing.
