Week-11 Challenge: Braking

Q1)    a)Start up behaviour of induction motor represented in stationary d-q frame where w=0. In that case rotor speed reaches approx. 377 rad/s on appying load speed decreases by some value and after removal of load it again increases. b) Start up behaviour of induction motor represented in synchronous reference…

Q)The battery system field is a rapidly evolving area of research and development, with constant innovation and new trends emerging. Here are two recent trends in the battery system field: Solid-State Batteries: Solid-state batteries (SSBs) are a new type of battery that use a solid electrolyte instead of a liquid electrolyte.…

Q) Here are the battery pack and charging system requirements for three popular electric vehicles:- Tesla Model 3:- The Tesla Model 3 is an all-electric sedan that has a range of up to 353 miles on a single charge. The battery pack capacity ranges from 50 kWh to 82 kWh, depending on the version. The battery is made…

Q)  DC-DC converter: A DC-DC converter is used to step down the high voltage DC power from the battery to the voltage required by different components in the vehicle. For example, the horn in the electric vehicle requires a DC voltage of less than 10V, which can be achieved using a DC-DC converter. AC-DC converter:…

 SR NO.  MOTOR'S  ADVANTAGES  DIS-ADVANTAGES 1 Brushed DC motors Simple and cost-effective to manufacture and maintain. High starting torque, which is useful for accelerating vehicles from a stop. Good speed control using voltage regulation or pulse-width modulation. High maintenance due to brushes…

Sr. No. Type of HEV Pro's Con's 1 Parallel Hybrid Architecture:- In this type of architecture, the internal combustion engine and electric motor work together to power the vehicle. The engine and the motor can both drive the wheels and the power from the two sources can be combined to increase the vehicle's efficiency.…

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Aim:- Design of boost converter, and calculating the loss of different components including power switching device and deriving efficiency of boost converter. Conclusion:- We get the total power loss ad 7.650 W and the Efficiency we Get as 99.34%

Q) % Program close all clear all clc % Given Data f = 1 ; z = 0.5; m = 3.6; wn = 2*pi*f; k = 400; c = 100; The input values of the c, k, m, f, wn, Zeta:- Circuit Diagram:- PID controller after the tunned signal:- Summary:- The input is given in the form of the pulse generator which is given to the sum block by which the…

Q1) Interleaving also called multi phasing, is a technique that is useful for reducing the size of filter components. This is equivalent to a parallel combination of two sets of switches, diodes, and inductors connected to a common filter capacitor and load. The switchws are operated 180 degree out of phase.The current…

Q1) Buck converter:- Buck converter step down DC voltage. It consists of Inductor, Capacitor and two switches which are transistor and diode. MOSFET is a switch that operates with on and off state. ON and OFF states get controlled by the Gate signal. For 40V to 50V:-    Result:-  It shows that the output…

Q) clc clear all volt = xlsread('VI.xlsx','A2:A25'); amp = xlsread('VI.xlsx','B2:B25'); figure(1) hold on plot(volt,amp,'*') q = 17.3:0.1:0.9; w = interp1(volt,amp,q,'spline'); plot(q,w,'b--') xlabel('Voltage (V)'); ylabel('Current (A)'); save r.txt  

Q) Ans:- A123’s high-performance Nanophosphate® lithium iron phosphate (LiFePO4) battery technology delivers high power and energy density combined with excellent safety performance and extensive life cycling in a lighter weight, more compact package. Our cells have low capacity loss and impedance growth over…

Q) Ans:- A123’s high-performance Nanophosphate® lithium iron phosphate (LiFePO4) battery technology delivers high power and energy density combined with excellent safety performance and extensive life cycling in a lighter weight, more compact package. Our cells have low capacity loss and impedance growth over…

Q1) I have selected to Open Project and Model. ANd after that the whole project will be loaded in the Matlab in current folder and workkspace. After this the BMS_ClosedLoop_Harness_Dashboard model file is open as:-  Block of Model:- a) Test sequence Variant (it has 3 different test condition). b) Manual Variant…

Q1) Ans:-  Lithium ion batteries can be designed for optimal capacity with the drawback of limited loading, slow charging and reduced longiveity. An industrial battery may have a moderate amphere rating but the focus is on durability. Specific energy only provides part of battery performance. The electrolyte carries…

Aim:- To develop the Adaptive Cruise Control feature as per the Requirement Document using MATLAB Simulink. Explanation:-  By refering the requirement 1 we build a model by using the suitable blocks. By reffering the second requirement we crate the model. by fulfilling the requiremennt 1&2 we created a subsystem…

Aim:- To create a Simulink model of Vehicle Direction Detection as per the given Requirement data. Blocks used:- a) constant b) input c) output d) logical operator e) switch f) mux  Procedure:-  For requirement 1:-  If the input is >=30 the vehicle will take the Right turn because the initial…

Aim:- Create a matlab model of electric car which uses a battery and a DC motor. Apparatus:- Tyre’s vehicle body Simple Gear DC Motor Current sensor Battery Controlled current source Electrical reference H- Bridge Controlled PWM voltage Solver configuration Constant Mechanical reference Integrator Divider Longitudinal…

Part A Q1) The aircraft gross weight is the total aircraft weight at any moment during the flight or ground operation. An aircraft’s gross weight will decrease during a flight due to fuel and oil consumption. An aircraft’s gross weight may also vary during a flight due to payload dropping or in-flight refuelling.…

Q1) In urban area driving, a significant amount of energy is consumed in braking. The braking performance is one of the most importance in vehicle safety. Electrification of vehicles makes it feasible to recover some of the energy lost in braking. A hybrid braking system was developed to ensure the efficient braking of…

Q1) A} From the given model it is observed that the model consists a motor (5HP 240V 1750RPM field:300V), which is connected to a 240V supply with four BJT and diodes, which acts as full bridge rectifiers. The model is known as H-Bridge because the connection of the BJT’s and diodes are inn such a way that switches…

Q1) Power converters in Electric and Hybrid Electric vehicles are considered as their power sources to the drivetrain of the EVs. In order to design highly efficient converters for the EVs power system, advanced DC/DC and DC/AC converters are required to adapt the output voltage and current levels with high power quality.…

Q1) A} Mapped Models :- It is used when the behaviour of a particular model is not of our interest and can be modelled with the predefined values in the form of lookup tables. The provides overall engine characteristics, including actual torque, fuel flow rate and engine out exhaust simulation. Dynamic Model :- It is used…

Q1} Steps :- Load ADVISOR tool from matlab command window. Load ‘EV_default_in’ file and change the cargo weight to 500 and keep the remaining values same an continue to load the cycle page. We require the FTP based cycle so select the ‘CYC_FTP’ and change the no of cycle from 1 to 3 for the required…

Aim:- To analyze or study the CVT, CVT Dashboard, AND CVT Ratio model. Apparatus/Blocks used:- Simscape Model Input shaft inertia block GOTO block Solver configuration block Mechanical reference block Generic engine block Engine sensor block Simple gear block FROM block Scope CVT model used…

Q1). Implement control logic of a washing machine using stateflow as per given sequence:- Ans:- Working of washing machine are as follows:- A washing machine has the ability to spin at the speed of 800-1600 rpm. In it the soap/detergents are added as the cleaning agent. At such speed it helps the detergents and dirt with…

Result:- 1:- Solenoid bell:- In the solenoid bell exp, we use to see in the scope the pulse generator in the form of spikes and the value on the display we watch is one by providing the amplitude of 1 and period of 2sec pulse width of 25% of the period with the phase delay of 2 secs.     2:- Thermistor:- By applying…