Method for organizing an electric energy and a kinetic energy of an electric vehicle

• US 8,676,421 B2
• Filed: 06/28/2012
• Issued: 03/18/2014
• Est. Priority Date: 07/14/2011
• Status: Active Grant

• Current Assignee: Metal Industries Research and Development Centre
• Original Assignee: Metal Industries Research and Development Centre
• Inventors: Lee, Cheng-Hsin, Chang, Chin-Ming, Huang, Shih-Tsung
• Primary Examiner(s): Cheung, Mary
• Assistant Examiner(s): Trivedi, Atul
• Application Number:
  US13/536,748
• Publication Number:
  US 20130018539A1
• Time in Patent Office: 628 Days
• Field of Search: 701/22, 701/81, 701/123, 701/490, 318/587, 320/104, 320/109, 320/DIG.34, 903/903, 903/907, 903/914, 903/930, 136/248
• US Class Current: 701/22
• CPC Class Codes: B60L 50/66 Arrangements of batteries
• CPC Class Codes: B60L 58/21 having the same nominal voltage
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries

Abstract

A method for organizing an electric energy and a kinetic energy of an electric vehicle includes the following steps. A plurality of electro-motor modules having different grade of kinetic energy are provided. A plurality of battery modules having different grade of electric energy are provided. A plurality of electric vehicle performances are preset, and one of the battery modules on the electric vehicle is arranged in accordance with the electric vehicle performances. One of the electro-motor modules on the electric vehicle is arranged in accordance with the electric vehicle performances and the one of the battery modules.

Claims

1. A method for organizing an electric energy and a kinetic energy of an electric vehicle, the method comprising the following steps of:

providing a plurality of electro-motor modules having different grade of kinetic energy;

providing a plurality of battery modules having different grade of electric energy;

presetting a plurality of electric vehicle performances, and arranging one of the battery modules on the electric vehicle in accordance with the electric vehicle performances; and

arranging one of the electro-motor modules on the electric vehicle in accordance with the electric vehicle performances and the one of the battery modules, wherein the step of presetting the plurality of electric vehicle performances and arranging the battery module in accordance with the electric vehicle performances comprises the following steps of;

presetting the minimum value of a travelable mileage of the electric vehicle;

calculating the electric energy of selectable battery module in accordance with the minimum value of the travelable mileage, wherein the formula for calculating the electric energy of selectable battery module is;

B_E>

R×

C_P, B_E is the electric energy of the battery module, R is the travelable mileage of the electric vehicle, and C_P is a consumed power;

presetting the maximum value of an arrangement space of the battery module;

calculating a battery energy per volume in accordance with the maximum value of the arrangement space of the battery module, wherein the formula for calculating the battery energy per volume is;

P_LE>

B_E/B_V, P_LE is the battery energy per volume, B_E is the electric energy of the battery module, and B_V is a volume of the battery module;

presetting the maximum value of an acceptable weight of the battery module;

calculating a battery energy per weight in accordance with the maximum value of the acceptable weight of the battery module, wherein the formula for calculating the battery energy per weight is;

P_WE>

B_E/B_W, P_WE is the battery energy per weight, B_E is the electric energy of the battery module, and B_W is a weight of the battery module;

presetting the minimum value of a useful loading of the electric vehicle; and

calculating a weight of the battery module in accordance with the minimum value of the useful loading of the electric vehicle, wherein the formula for calculating the weight of the battery module is;

B_W<

W_C×

F_L−

L_P, B_W is the weight of the battery module, W_C is an empty weight of the electric vehicle, F_L is a loading coefficient of a chassis, and L_P is the useful loading of the electric vehicle.

2. The method according to claim 1, wherein the step of arranging the electro-motor module in accordance with the electric vehicle performances and the battery module comprises the following steps of:

presetting the maximum value of a charge/discharge rate of the battery module; and

calculating a kinetic energy value of the electro-motor in accordance with the maximum value of the charge/discharge rate of the battery module, wherein the formula for calculating the kinetic energy value of the electro-motor is;

M_P<

C-Rate×

B_E, M_P is the kinetic energy value of the electro-motor, C-Rate is the charge/discharge rate of the battery module, and B_E is the electric energy of the battery module.

3. The method according to claim 1, wherein each of the electro-motor modules has a kinetic energy grade of 50 kW, 80 kW, 120 kW, 150 kW or 180 kW.

4. The method according to claim 1, wherein each of the battery modules has an electric energy grade of 6 kWh, 12 kWh, 18 kWh, 24 kWh, 30 kWh, 36 kWh or 42 kWh.

5. A method for organizing an electric energy and a kinetic energy of an electric vehicle, the method comprising the following steps of:

providing a plurality of electro-motor modules having different grade of kinetic energy;

providing a plurality of battery modules having different grade of electric energy;

presetting a plurality of electric vehicle performances, and arranging one of the battery modules on the electric vehicle in accordance with the electric vehicle performances; and

arranging one of the electro-motor modules on the electric vehicle in accordance with the electric vehicle performances and the one of the battery modules, comprising;

presetting the maximum value of a charge/discharge rate of the battery module; and

calculating a kinetic energy value of the electro-motor in accordance with the maximum value of the charge/discharge rate of the battery module, wherein the formula for calculating the kinetic energy value of the electro-motor is;

M_P<

C-Rate×

B_E, M_P is the kinetic energy value of the electro-motor, C-Rate is the charge/discharge rate of the battery module, and B_E is the electric energy of the battery module.

6. The method according to claim 5, wherein each of the electro-motor modules has a kinetic energy grade of 50 kW, 80 kW, 120 kW, 150 kW or 180 kW.

7. The method according to claim 5, wherein each of the battery modules has an electric energy grade of 6 kWh, 12 kWh, 18 kWh, 24 kWh, 30 kWh, 36 kWh or 42 kWh.